Mercurial > cpython-lru_cache-weakref

annotate Modules/cStringIO.c @ 39496:352ffe77b71d legacy-trunk

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Patch #1535500: fix segfault in BZ2File.writelines and make sure it raises the correct exceptions.
author Georg Brandl <georg@python.org>
date Mon, 14 Aug 2006 21:42:55 +0000
parents 5e1b6f553763
children cc992d75d5b3 647598c1a9d9
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1
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2 #include "Python.h"
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3 #include "import.h"
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4 #include "cStringIO.h"
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5 #include "structmember.h"
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6
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7 PyDoc_STRVAR(cStringIO_module_documentation,
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8 "A simple fast partial StringIO replacement.\n"
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9 "\n"
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10 "This module provides a simple useful replacement for\n"
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11 "the StringIO module that is written in C. It does not provide the\n"
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12 "full generality of StringIO, but it provides enough for most\n"
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13 "applications and is especially useful in conjunction with the\n"
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14 "pickle module.\n"
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15 "\n"
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16 "Usage:\n"
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17 "\n"
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18 " from cStringIO import StringIO\n"
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19 "\n"
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20 " an_output_stream=StringIO()\n"
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21 " an_output_stream.write(some_stuff)\n"
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22 " ...\n"
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23 " value=an_output_stream.getvalue()\n"
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24 "\n"
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25 " an_input_stream=StringIO(a_string)\n"
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26 " spam=an_input_stream.readline()\n"
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27 " spam=an_input_stream.read(5)\n"
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28 " an_input_stream.seek(0) # OK, start over\n"
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29 " spam=an_input_stream.read() # and read it all\n"
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30 " \n"
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31 "If someone else wants to provide a more complete implementation,\n"
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32 "go for it. :-) \n"
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33 "\n"
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34 "cStringIO.c,v 1.29 1999/06/15 14:10:27 jim Exp\n");
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35
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36 /* Declaration for file-like objects that manage data as strings
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37
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38 The IOobject type should be though of as a common base type for
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39 Iobjects, which provide input (read-only) StringIO objects and
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40 Oobjects, which provide read-write objects. Most of the methods
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41 depend only on common data.
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42 */
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43
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44 typedef struct {
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45 PyObject_HEAD
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46 char *buf;
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47 Py_ssize_t pos, string_size;
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48 } IOobject;
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49
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50 #define IOOOBJECT(O) ((IOobject*)(O))
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51
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52 /* Declarations for objects of type StringO */
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53
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54 typedef struct { /* Subtype of IOobject */
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55 PyObject_HEAD
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56 char *buf;
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57 Py_ssize_t pos, string_size;
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58
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59 Py_ssize_t buf_size;
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60 int softspace;
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61 } Oobject;
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62
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63 /* Declarations for objects of type StringI */
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64
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65 typedef struct { /* Subtype of IOobject */
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66 PyObject_HEAD
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67 char *buf;
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68 Py_ssize_t pos, string_size;
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69 /* We store a reference to the object here in order to keep
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70 the buffer alive during the lifetime of the Iobject. */
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71 PyObject *pbuf;
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72 } Iobject;
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73
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74 /* IOobject (common) methods */
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75
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76 PyDoc_STRVAR(IO_flush__doc__, "flush(): does nothing.");
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77
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78 static int
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79 IO__opencheck(IOobject *self) {
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80 if (!self->buf) {
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81 PyErr_SetString(PyExc_ValueError,
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82 "I/O operation on closed file");
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83 return 0;
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84 }
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85 return 1;
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86 }
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87
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88 static PyObject *
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89 IO_get_closed(IOobject *self, void *closure)
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90 {
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91 PyObject *result = Py_False;
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92
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93 if (self->buf == NULL)
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94 result = Py_True;
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95 Py_INCREF(result);
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96 return result;
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97 }
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98
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99 static PyGetSetDef file_getsetlist[] = {
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100 {"closed", (getter)IO_get_closed, NULL, "True if the file is closed"},
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101 {0},
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102 };
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103
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104 static PyObject *
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105 IO_flush(IOobject *self, PyObject *unused) {
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106
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107 if (!IO__opencheck(self)) return NULL;
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108
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109 Py_INCREF(Py_None);
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110 return Py_None;
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111 }
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112
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113 PyDoc_STRVAR(IO_getval__doc__,
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114 "getvalue([use_pos]) -- Get the string value."
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115 "\n"
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116 "If use_pos is specified and is a true value, then the string returned\n"
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117 "will include only the text up to the current file position.\n");
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118
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119 static PyObject *
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120 IO_cgetval(PyObject *self) {
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121 if (!IO__opencheck(IOOOBJECT(self))) return NULL;
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122 return PyString_FromStringAndSize(((IOobject*)self)->buf,
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123 ((IOobject*)self)->pos);
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124 }
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125
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126 static PyObject *
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127 IO_getval(IOobject *self, PyObject *args) {
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128 PyObject *use_pos=Py_None;
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129 Py_ssize_t s;
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130
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131 if (!IO__opencheck(self)) return NULL;
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132 if (!PyArg_UnpackTuple(args,"getval", 0, 1,&use_pos)) return NULL;
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133
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134 if (PyObject_IsTrue(use_pos)) {
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
135 s=self->pos;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
136 if (s > self->string_size) s=self->string_size;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
137 }
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
138 else
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
139 s=self->string_size;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
140 return PyString_FromStringAndSize(self->buf, s);
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
141 }
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
142
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23301
diff changeset
143 PyDoc_STRVAR(IO_isatty__doc__, "isatty(): always returns 0");
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
144
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
145 static PyObject *
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 25087
diff changeset
146 IO_isatty(IOobject *self, PyObject *unused) {
37005
6738f7b282f6 SF patch #1359365: cStringIO.StringIO.isatty() will raise a ValueError
Walter Dörwald <walter@livinglogic.de>
parents: 36877
diff changeset
147 if (!IO__opencheck(self)) return NULL;
6738f7b282f6 SF patch #1359365: cStringIO.StringIO.isatty() will raise a ValueError
Walter Dörwald <walter@livinglogic.de>
parents: 36877
diff changeset
148 Py_INCREF(Py_False);
25087
9a178adb4e2d SF bug 601775 - some int results that should be bool.
Guido van Rossum <guido@python.org>
parents: 24471
diff changeset
149 return Py_False;
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
150 }
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
151
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23301
diff changeset
152 PyDoc_STRVAR(IO_read__doc__,
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23301
diff changeset
153 "read([s]) -- Read s characters, or the rest of the string");
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
154
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
155 static int
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
156 IO_cread(PyObject *self, char **output, Py_ssize_t n) {
36518
9f3f87e920a6 Use Py_ssize_t for counts and sizes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36501
diff changeset
157 Py_ssize_t l;
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
158
36790
48a28b35dd64 Remove UNLESS.
Martin v. Löwis <martin@v.loewis.de>
parents: 36782
diff changeset
159 if (!IO__opencheck(IOOOBJECT(self))) return -1;
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
160 l = ((IOobject*)self)->string_size - ((IOobject*)self)->pos;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
161 if (n < 0 || n > l) {
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
162 n = l;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
163 if (n < 0) n=0;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
164 }
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
165
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
166 *output=((IOobject*)self)->buf + ((IOobject*)self)->pos;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
167 ((IOobject*)self)->pos += n;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
168 return n;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
169 }
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
170
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
171 static PyObject *
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
172 IO_read(IOobject *self, PyObject *args) {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
173 Py_ssize_t n = -1;
36782
2b659268a73a Silence gcc (4.0.x) warning about use of uninitialized value.
Thomas Wouters <thomas@python.org>
parents: 36518
diff changeset
174 char *output = NULL;
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
175
36790
48a28b35dd64 Remove UNLESS.
Martin v. Löwis <martin@v.loewis.de>
parents: 36782
diff changeset
176 if (!PyArg_ParseTuple(args, "|n:read", &n)) return NULL;
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
177
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
178 if ( (n=IO_cread((PyObject*)self,&output,n)) < 0) return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
179
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
180 return PyString_FromStringAndSize(output, n);
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
181 }
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
182
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23301
diff changeset
183 PyDoc_STRVAR(IO_readline__doc__, "readline() -- Read one line");
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
184
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
185 static int
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
186 IO_creadline(PyObject *self, char **output) {
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
187 char *n, *s;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
188 Py_ssize_t l;
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
189
36790
48a28b35dd64 Remove UNLESS.
Martin v. Löwis <martin@v.loewis.de>
parents: 36782
diff changeset
190 if (!IO__opencheck(IOOOBJECT(self))) return -1;
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
191
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
192 for (n = ((IOobject*)self)->buf + ((IOobject*)self)->pos,
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
193 s = ((IOobject*)self)->buf + ((IOobject*)self)->string_size;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
194 n < s && *n != '\n'; n++);
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
195 if (n < s) n++;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
196
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
197 *output=((IOobject*)self)->buf + ((IOobject*)self)->pos;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
198 l = n - ((IOobject*)self)->buf - ((IOobject*)self)->pos;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
199 assert(((IOobject*)self)->pos + l < INT_MAX);
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
200 ((IOobject*)self)->pos += (int)l;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
201 return (int)l;
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
202 }
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
203
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
204 static PyObject *
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
205 IO_readline(IOobject *self, PyObject *args) {
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
206 int n, m=-1;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
207 char *output;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
208
28772
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
209 if (args)
36790
48a28b35dd64 Remove UNLESS.
Martin v. Löwis <martin@v.loewis.de>
parents: 36782
diff changeset
210 if (!PyArg_ParseTuple(args, "|i:readline", &m)) return NULL;
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
211
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
212 if( (n=IO_creadline((PyObject*)self,&output)) < 0) return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
213 if (m >= 0 && m < n) {
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
214 m = n - m;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
215 n -= m;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
216 self->pos -= m;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
217 }
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
218 return PyString_FromStringAndSize(output, n);
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
219 }
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
220
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23301
diff changeset
221 PyDoc_STRVAR(IO_readlines__doc__, "readlines() -- Read all lines");
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
222
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
223 static PyObject *
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
224 IO_readlines(IOobject *self, PyObject *args) {
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
225 int n;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
226 char *output;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
227 PyObject *result, *line;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
228 int hint = 0, length = 0;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
229
36790
48a28b35dd64 Remove UNLESS.
Martin v. Löwis <martin@v.loewis.de>
parents: 36782
diff changeset
230 if (!PyArg_ParseTuple(args, "|i:readlines", &hint)) return NULL;
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
231
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
232 result = PyList_New(0);
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
233 if (!result)
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
234 return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
235
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
236 while (1){
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
237 if ( (n = IO_creadline((PyObject*)self,&output)) < 0)
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
238 goto err;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
239 if (n == 0)
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
240 break;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
241 line = PyString_FromStringAndSize (output, n);
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
242 if (!line)
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
243 goto err;
35623
774bf9a38b2a Patches #1298449 and #1298499: Add some missing checks for error
Michael W. Hudson <mwh@python.net>
parents: 33213
diff changeset
244 if (PyList_Append (result, line) == -1) {
774bf9a38b2a Patches #1298449 and #1298499: Add some missing checks for error
Michael W. Hudson <mwh@python.net>
parents: 33213
diff changeset
245 Py_DECREF (line);
774bf9a38b2a Patches #1298449 and #1298499: Add some missing checks for error
Michael W. Hudson <mwh@python.net>
parents: 33213
diff changeset
246 goto err;
774bf9a38b2a Patches #1298449 and #1298499: Add some missing checks for error
Michael W. Hudson <mwh@python.net>
parents: 33213
diff changeset
247 }
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
248 Py_DECREF (line);
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
249 length += n;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
250 if (hint > 0 && length >= hint)
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
251 break;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
252 }
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
253 return result;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
254 err:
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
255 Py_DECREF(result);
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
256 return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
257 }
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
258
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23301
diff changeset
259 PyDoc_STRVAR(IO_reset__doc__,
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23301
diff changeset
260 "reset() -- Reset the file position to the beginning");
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
261
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
262 static PyObject *
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 25087
diff changeset
263 IO_reset(IOobject *self, PyObject *unused) {
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
264
36790
48a28b35dd64 Remove UNLESS.
Martin v. Löwis <martin@v.loewis.de>
parents: 36782
diff changeset
265 if (!IO__opencheck(self)) return NULL;
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
266
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267 self->pos = 0;
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268
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269 Py_INCREF(Py_None);
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270 return Py_None;
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271 }
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272
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273 PyDoc_STRVAR(IO_tell__doc__, "tell() -- get the current position.");
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274
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275 static PyObject *
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276 IO_tell(IOobject *self, PyObject *unused) {
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277
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278 if (!IO__opencheck(self)) return NULL;
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279
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280 return PyInt_FromSsize_t(self->pos);
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281 }
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282
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283 PyDoc_STRVAR(IO_truncate__doc__,
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284 "truncate(): truncate the file at the current position.");
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285
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286 static PyObject *
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287 IO_truncate(IOobject *self, PyObject *args) {
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288 Py_ssize_t pos = -1;
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289
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290 if (!IO__opencheck(self)) return NULL;
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291 if (!PyArg_ParseTuple(args, "|n:truncate", &pos)) return NULL;
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292 if (pos < 0) pos = self->pos;
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293
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294 if (self->string_size > pos) self->string_size = pos;
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295 self->pos = self->string_size;
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296
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297 Py_INCREF(Py_None);
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298 return Py_None;
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299 }
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300
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301 static PyObject *
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302 IO_iternext(Iobject *self)
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303 {
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304 PyObject *next;
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305 next = IO_readline((IOobject *)self, NULL);
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306 if (!next)
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307 return NULL;
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308 if (!PyString_GET_SIZE(next)) {
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309 Py_DECREF(next);
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310 PyErr_SetNone(PyExc_StopIteration);
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311 return NULL;
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312 }
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313 return next;
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314 }
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315
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316
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317
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318
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319 /* Read-write object methods */
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320
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321 PyDoc_STRVAR(O_seek__doc__,
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322 "seek(position) -- set the current position\n"
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323 "seek(position, mode) -- mode 0: absolute; 1: relative; 2: relative to EOF");
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324
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325 static PyObject *
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326 O_seek(Oobject *self, PyObject *args) {
36501
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327 Py_ssize_t position;
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328 int mode = 0;
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329
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330 if (!IO__opencheck(IOOOBJECT(self))) return NULL;
48a28b35dd64 Remove UNLESS.
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331 if (!PyArg_ParseTuple(args, "n|i:seek", &position, &mode))
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332 return NULL;
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333
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334 if (mode == 2) {
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335 position += self->string_size;
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336 }
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337 else if (mode == 1) {
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338 position += self->pos;
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339 }
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340
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341 if (position > self->buf_size) {
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342 self->buf_size*=2;
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diff changeset
343 if (self->buf_size <= position) self->buf_size=position+1;
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344 self->buf = (char*) realloc(self->buf,self->buf_size);
48a28b35dd64 Remove UNLESS.
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345 if (!self->buf) {
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diff changeset
346 self->buf_size=self->pos=0;
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347 return PyErr_NoMemory();
acb88607b4bd Added a new "base" type, IOobject for which most of the
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348 }
acb88607b4bd Added a new "base" type, IOobject for which most of the
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349 }
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350 else if (position < 0) position=0;
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351
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diff changeset
352 self->pos=position;
14679
08823099ae62 Implement readlines function. Closes Bug #110686.
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diff changeset
353
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diff changeset
354 while (--position >= self->string_size) self->buf[position]=0;
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355
acb88607b4bd Added a new "base" type, IOobject for which most of the
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356 Py_INCREF(Py_None);
acb88607b4bd Added a new "base" type, IOobject for which most of the
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diff changeset
357 return Py_None;
14679
08823099ae62 Implement readlines function. Closes Bug #110686.
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diff changeset
358 }
08823099ae62 Implement readlines function. Closes Bug #110686.
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diff changeset
359
23832
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360 PyDoc_STRVAR(O_write__doc__,
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diff changeset
361 "write(s) -- Write a string to the file"
23832
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362 "\n\nNote (hack:) writing None resets the buffer");
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363
8fdb0539cfb1 Jim F's brainchild
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364
8fdb0539cfb1 Jim F's brainchild
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parents:
diff changeset
365 static int
36501
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diff changeset
366 O_cwrite(PyObject *self, const char *c, Py_ssize_t l) {
7fdc639bc5b4 Merge ssize_t branch.
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diff changeset
367 Py_ssize_t newl;
21294
24a6c3fd0e58 O_cwrite(): rewrote for clarity, replacing all the (Oobject *)self
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diff changeset
368 Oobject *oself;
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diff changeset
369
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diff changeset
370 if (!IO__opencheck(IOOOBJECT(self))) return -1;
21294
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diff changeset
371 oself = (Oobject *)self;
4906
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diff changeset
372
21294
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diff changeset
373 newl = oself->pos+l;
24a6c3fd0e58 O_cwrite(): rewrote for clarity, replacing all the (Oobject *)self
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diff changeset
374 if (newl >= oself->buf_size) {
24a6c3fd0e58 O_cwrite(): rewrote for clarity, replacing all the (Oobject *)self
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parents: 20060
diff changeset
375 oself->buf_size *= 2;
36501
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diff changeset
376 if (oself->buf_size <= newl) {
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diff changeset
377 assert(newl + 1 < INT_MAX);
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diff changeset
378 oself->buf_size = (int)(newl+1);
7fdc639bc5b4 Merge ssize_t branch.
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diff changeset
379 }
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diff changeset
380 oself->buf = (char*)realloc(oself->buf, oself->buf_size);
48a28b35dd64 Remove UNLESS.
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diff changeset
381 if (!oself->buf) {
15059
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diff changeset
382 PyErr_SetString(PyExc_MemoryError,"out of memory");
21294
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parents: 20060
diff changeset
383 oself->buf_size = oself->pos = 0;
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diff changeset
384 return -1;
acb88607b4bd Added a new "base" type, IOobject for which most of the
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parents: 14679
diff changeset
385 }
acb88607b4bd Added a new "base" type, IOobject for which most of the
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diff changeset
386 }
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parents:
diff changeset
387
21294
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parents: 20060
diff changeset
388 memcpy(oself->buf+oself->pos,c,l);
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8fdb0539cfb1 Jim F's brainchild
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parents:
diff changeset
389
36501
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diff changeset
390 assert(oself->pos + l < INT_MAX);
7fdc639bc5b4 Merge ssize_t branch.
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diff changeset
391 oself->pos += (int)l;
4598
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parents:
diff changeset
392
21294
24a6c3fd0e58 O_cwrite(): rewrote for clarity, replacing all the (Oobject *)self
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parents: 20060
diff changeset
393 if (oself->string_size < oself->pos) {
24a6c3fd0e58 O_cwrite(): rewrote for clarity, replacing all the (Oobject *)self
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parents: 20060
diff changeset
394 oself->string_size = oself->pos;
24a6c3fd0e58 O_cwrite(): rewrote for clarity, replacing all the (Oobject *)self
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parents: 20060
diff changeset
395 }
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diff changeset
396
36501
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diff changeset
397 return (int)l;
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diff changeset
398 }
8fdb0539cfb1 Jim F's brainchild
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parents:
diff changeset
399
8fdb0539cfb1 Jim F's brainchild
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parents:
diff changeset
400 static PyObject *
5280
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parents: 4957
diff changeset
401 O_write(Oobject *self, PyObject *args) {
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
402 char *c;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
403 int l;
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
404
36790
48a28b35dd64 Remove UNLESS.
Martin v. Löwis <martin@v.loewis.de>
parents: 36782
diff changeset
405 if (!PyArg_ParseTuple(args, "t#:write", &c, &l)) return NULL;
5991
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
406
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
407 if (O_cwrite((PyObject*)self,c,l) < 0) return NULL;
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
408
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
409 Py_INCREF(Py_None);
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
410 return Py_None;
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
411 }
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
412
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23301
diff changeset
413 PyDoc_STRVAR(O_close__doc__, "close(): explicitly release resources held.");
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
414
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
415 static PyObject *
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 25087
diff changeset
416 O_close(Oobject *self, PyObject *unused) {
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
417 if (self->buf != NULL) free(self->buf);
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
418 self->buf = NULL;
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
419
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
420 self->pos = self->string_size = self->buf_size = 0;
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
421
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
422 Py_INCREF(Py_None);
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
423 return Py_None;
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
424 }
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
425
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23301
diff changeset
426 PyDoc_STRVAR(O_writelines__doc__,
31626
1543afab1b67 SF patch #907403: Improvements to cStringIO.writelines()
Raymond Hettinger <python@rcn.com>
parents: 31593
diff changeset
427 "writelines(sequence_of_strings) -> None. Write the strings to the file.\n"
1543afab1b67 SF patch #907403: Improvements to cStringIO.writelines()
Raymond Hettinger <python@rcn.com>
parents: 31593
diff changeset
428 "\n"
1543afab1b67 SF patch #907403: Improvements to cStringIO.writelines()
Raymond Hettinger <python@rcn.com>
parents: 31593
diff changeset
429 "Note that newlines are not added. The sequence can be any iterable object\n"
1543afab1b67 SF patch #907403: Improvements to cStringIO.writelines()
Raymond Hettinger <python@rcn.com>
parents: 31593
diff changeset
430 "producing strings. This is equivalent to calling write() for each string.");
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
431 static PyObject *
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
432 O_writelines(Oobject *self, PyObject *args) {
31626
1543afab1b67 SF patch #907403: Improvements to cStringIO.writelines()
Raymond Hettinger <python@rcn.com>
parents: 31593
diff changeset
433 PyObject *it, *s;
1543afab1b67 SF patch #907403: Improvements to cStringIO.writelines()
Raymond Hettinger <python@rcn.com>
parents: 31593
diff changeset
434
1543afab1b67 SF patch #907403: Improvements to cStringIO.writelines()
Raymond Hettinger <python@rcn.com>
parents: 31593
diff changeset
435 it = PyObject_GetIter(args);
1543afab1b67 SF patch #907403: Improvements to cStringIO.writelines()
Raymond Hettinger <python@rcn.com>
parents: 31593
diff changeset
436 if (it == NULL)
1543afab1b67 SF patch #907403: Improvements to cStringIO.writelines()
Raymond Hettinger <python@rcn.com>
parents: 31593
diff changeset
437 return NULL;
1543afab1b67 SF patch #907403: Improvements to cStringIO.writelines()
Raymond Hettinger <python@rcn.com>
parents: 31593
diff changeset
438 while ((s = PyIter_Next(it)) != NULL) {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
439 Py_ssize_t n;
31626
1543afab1b67 SF patch #907403: Improvements to cStringIO.writelines()
Raymond Hettinger <python@rcn.com>
parents: 31593
diff changeset
440 char *c;
1543afab1b67 SF patch #907403: Improvements to cStringIO.writelines()
Raymond Hettinger <python@rcn.com>
parents: 31593
diff changeset
441 if (PyString_AsStringAndSize(s, &c, &n) == -1) {
1543afab1b67 SF patch #907403: Improvements to cStringIO.writelines()
Raymond Hettinger <python@rcn.com>
parents: 31593
diff changeset
442 Py_DECREF(it);
1543afab1b67 SF patch #907403: Improvements to cStringIO.writelines()
Raymond Hettinger <python@rcn.com>
parents: 31593
diff changeset
443 Py_DECREF(s);
16546
60a2e99c863b In O_writelines: Replace use of string.joinfields with "".join.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15059
diff changeset
444 return NULL;
31626
1543afab1b67 SF patch #907403: Improvements to cStringIO.writelines()
Raymond Hettinger <python@rcn.com>
parents: 31593
diff changeset
445 }
1543afab1b67 SF patch #907403: Improvements to cStringIO.writelines()
Raymond Hettinger <python@rcn.com>
parents: 31593
diff changeset
446 if (O_cwrite((PyObject *)self, c, n) == -1) {
1543afab1b67 SF patch #907403: Improvements to cStringIO.writelines()
Raymond Hettinger <python@rcn.com>
parents: 31593
diff changeset
447 Py_DECREF(it);
1543afab1b67 SF patch #907403: Improvements to cStringIO.writelines()
Raymond Hettinger <python@rcn.com>
parents: 31593
diff changeset
448 Py_DECREF(s);
16546
60a2e99c863b In O_writelines: Replace use of string.joinfields with "".join.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15059
diff changeset
449 return NULL;
35623
774bf9a38b2a Patches #1298449 and #1298499: Add some missing checks for error
Michael W. Hudson <mwh@python.net>
parents: 33213
diff changeset
450 }
774bf9a38b2a Patches #1298449 and #1298499: Add some missing checks for error
Michael W. Hudson <mwh@python.net>
parents: 33213
diff changeset
451 Py_DECREF(s);
774bf9a38b2a Patches #1298449 and #1298499: Add some missing checks for error
Michael W. Hudson <mwh@python.net>
parents: 33213
diff changeset
452 }
774bf9a38b2a Patches #1298449 and #1298499: Add some missing checks for error
Michael W. Hudson <mwh@python.net>
parents: 33213
diff changeset
453
774bf9a38b2a Patches #1298449 and #1298499: Add some missing checks for error
Michael W. Hudson <mwh@python.net>
parents: 33213
diff changeset
454 Py_DECREF(it);
774bf9a38b2a Patches #1298449 and #1298499: Add some missing checks for error
Michael W. Hudson <mwh@python.net>
parents: 33213
diff changeset
455
774bf9a38b2a Patches #1298449 and #1298499: Add some missing checks for error
Michael W. Hudson <mwh@python.net>
parents: 33213
diff changeset
456 /* See if PyIter_Next failed */
774bf9a38b2a Patches #1298449 and #1298499: Add some missing checks for error
Michael W. Hudson <mwh@python.net>
parents: 33213
diff changeset
457 if (PyErr_Occurred())
774bf9a38b2a Patches #1298449 and #1298499: Add some missing checks for error
Michael W. Hudson <mwh@python.net>
parents: 33213
diff changeset
458 return NULL;
774bf9a38b2a Patches #1298449 and #1298499: Add some missing checks for error
Michael W. Hudson <mwh@python.net>
parents: 33213
diff changeset
459
774bf9a38b2a Patches #1298449 and #1298499: Add some missing checks for error
Michael W. Hudson <mwh@python.net>
parents: 33213
diff changeset
460 Py_RETURN_NONE;
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
461 }
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
462 static struct PyMethodDef O_methods[] = {
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
463 /* Common methods: */
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 25087
diff changeset
464 {"flush", (PyCFunction)IO_flush, METH_NOARGS, IO_flush__doc__},
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
465 {"getvalue", (PyCFunction)IO_getval, METH_VARARGS, IO_getval__doc__},
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 25087
diff changeset
466 {"isatty", (PyCFunction)IO_isatty, METH_NOARGS, IO_isatty__doc__},
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
467 {"read", (PyCFunction)IO_read, METH_VARARGS, IO_read__doc__},
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
468 {"readline", (PyCFunction)IO_readline, METH_VARARGS, IO_readline__doc__},
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
469 {"readlines", (PyCFunction)IO_readlines,METH_VARARGS, IO_readlines__doc__},
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 25087
diff changeset
470 {"reset", (PyCFunction)IO_reset, METH_NOARGS, IO_reset__doc__},
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 25087
diff changeset
471 {"tell", (PyCFunction)IO_tell, METH_NOARGS, IO_tell__doc__},
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
472 {"truncate", (PyCFunction)IO_truncate, METH_VARARGS, IO_truncate__doc__},
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
473
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
474 /* Read-write StringIO specific methods: */
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 25087
diff changeset
475 {"close", (PyCFunction)O_close, METH_NOARGS, O_close__doc__},
9642
08379c7f5fa9 Jim Fulton writes:
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
476 {"seek", (PyCFunction)O_seek, METH_VARARGS, O_seek__doc__},
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
477 {"write", (PyCFunction)O_write, METH_VARARGS, O_write__doc__},
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 25087
diff changeset
478 {"writelines", (PyCFunction)O_writelines, METH_O, O_writelines__doc__},
9642
08379c7f5fa9 Jim Fulton writes:
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
479 {NULL, NULL} /* sentinel */
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
480 };
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
481
28772
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
482 static PyMemberDef O_memberlist[] = {
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
483 {"softspace", T_INT, offsetof(Oobject, softspace), 0,
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
484 "flag indicating that a space needs to be printed; used by print"},
30096
06016d5d81d7 SF bug #770485: cStringIO does not set closed attr
Raymond Hettinger <python@rcn.com>
parents: 28772
diff changeset
485 /* getattr(f, "closed") is implemented without this table */
28772
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
486 {NULL} /* Sentinel */
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
487 };
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
488
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
489 static void
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
490 O_dealloc(Oobject *self) {
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
491 if (self->buf != NULL)
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
492 free(self->buf);
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
493 PyObject_Del(self);
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
494 }
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
495
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23301
diff changeset
496 PyDoc_STRVAR(Otype__doc__, "Simple type for output to strings.");
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
497
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
498 static PyTypeObject Otype = {
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
499 PyObject_HEAD_INIT(NULL)
28772
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
500 0, /*ob_size*/
30126
6842ceb39a14 reverting to 2.41 version (distinct tp_names) - will add verbiage to the
Skip Montanaro <skip@pobox.com>
parents: 30125
diff changeset
501 "cStringIO.StringO", /*tp_name*/
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
502 sizeof(Oobject), /*tp_basicsize*/
28772
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
503 0, /*tp_itemsize*/
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
504 /* methods */
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
505 (destructor)O_dealloc, /*tp_dealloc*/
37305
5e1b6f553763 Remove unnecessary casts from type object initializers.
Georg Brandl <georg@python.org>
parents: 37005
diff changeset
506 0, /*tp_print*/
28772
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
507 0, /*tp_getattr */
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
508 0, /*tp_setattr */
37305
5e1b6f553763 Remove unnecessary casts from type object initializers.
Georg Brandl <georg@python.org>
parents: 37005
diff changeset
509 0, /*tp_compare*/
5e1b6f553763 Remove unnecessary casts from type object initializers.
Georg Brandl <georg@python.org>
parents: 37005
diff changeset
510 0, /*tp_repr*/
28772
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
511 0, /*tp_as_number*/
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
512 0, /*tp_as_sequence*/
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
513 0, /*tp_as_mapping*/
37305
5e1b6f553763 Remove unnecessary casts from type object initializers.
Georg Brandl <georg@python.org>
parents: 37005
diff changeset
514 0, /*tp_hash*/
5e1b6f553763 Remove unnecessary casts from type object initializers.
Georg Brandl <georg@python.org>
parents: 37005
diff changeset
515 0 , /*tp_call*/
5e1b6f553763 Remove unnecessary casts from type object initializers.
Georg Brandl <georg@python.org>
parents: 37005
diff changeset
516 0, /*tp_str*/
28772
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
517 0, /*tp_getattro */
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
518 0, /*tp_setattro */
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
519 0, /*tp_as_buffer */
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
520 Py_TPFLAGS_DEFAULT, /*tp_flags*/
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
521 Otype__doc__, /*tp_doc */
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
522 0, /*tp_traverse */
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
523 0, /*tp_clear */
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
524 0, /*tp_richcompare */
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
525 0, /*tp_weaklistoffset */
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
526 PyObject_SelfIter, /*tp_iter */
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
527 (iternextfunc)IO_iternext, /*tp_iternext */
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
528 O_methods, /*tp_methods */
30096
06016d5d81d7 SF bug #770485: cStringIO does not set closed attr
Raymond Hettinger <python@rcn.com>
parents: 28772
diff changeset
529 O_memberlist, /*tp_members */
06016d5d81d7 SF bug #770485: cStringIO does not set closed attr
Raymond Hettinger <python@rcn.com>
parents: 28772
diff changeset
530 file_getsetlist, /*tp_getset */
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
531 };
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
532
5991
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
533 static PyObject *
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
534 newOobject(int size) {
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
535 Oobject *self;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
536
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
537 self = PyObject_New(Oobject, &Otype);
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
538 if (self == NULL)
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
539 return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
540 self->pos=0;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
541 self->string_size = 0;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
542 self->softspace = 0;
5991
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
543
36790
48a28b35dd64 Remove UNLESS.
Martin v. Löwis <martin@v.loewis.de>
parents: 36782
diff changeset
544 self->buf = (char *)malloc(size);
48a28b35dd64 Remove UNLESS.
Martin v. Löwis <martin@v.loewis.de>
parents: 36782
diff changeset
545 if (!self->buf) {
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
546 PyErr_SetString(PyExc_MemoryError,"out of memory");
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
547 self->buf_size = 0;
36877
e9a7a2784e17 SF #1444030: Fix several potential defects found by Coverity.
Hye-Shik Chang <hyeshik@gmail.com>
parents: 36790
diff changeset
548 Py_DECREF(self);
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
549 return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
550 }
5991
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
551
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
552 self->buf_size=size;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
553 return (PyObject*)self;
5991
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
554 }
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
555
30125
4b46d5449d49 shit - just change the visible name, not the comments - strictly speaking,
Skip Montanaro <skip@pobox.com>
parents: 30124
diff changeset
556 /* End of code for StringO objects */
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
557 /* -------------------------------------------------------- */
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
558
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
559 static PyObject *
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 25087
diff changeset
560 I_close(Iobject *self, PyObject *unused) {
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
561 Py_XDECREF(self->pbuf);
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
562 self->pbuf = NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
563 self->buf = NULL;
9642
08379c7f5fa9 Jim Fulton writes:
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
564
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
565 self->pos = self->string_size = 0;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
566
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
567 Py_INCREF(Py_None);
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
568 return Py_None;
9642
08379c7f5fa9 Jim Fulton writes:
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
569 }
08379c7f5fa9 Jim Fulton writes:
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
570
08379c7f5fa9 Jim Fulton writes:
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
571 static PyObject *
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
572 I_seek(Iobject *self, PyObject *args) {
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
573 Py_ssize_t position;
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
574 int mode = 0;
9642
08379c7f5fa9 Jim Fulton writes:
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
575
36790
48a28b35dd64 Remove UNLESS.
Martin v. Löwis <martin@v.loewis.de>
parents: 36782
diff changeset
576 if (!IO__opencheck(IOOOBJECT(self))) return NULL;
48a28b35dd64 Remove UNLESS.
Martin v. Löwis <martin@v.loewis.de>
parents: 36782
diff changeset
577 if (!PyArg_ParseTuple(args, "n|i:seek", &position, &mode))
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
578 return NULL;
9642
08379c7f5fa9 Jim Fulton writes:
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
579
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
580 if (mode == 2) position += self->string_size;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
581 else if (mode == 1) position += self->pos;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
582
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
583 if (position < 0) position=0;
9642
08379c7f5fa9 Jim Fulton writes:
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
584
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
585 self->pos=position;
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
586
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
587 Py_INCREF(Py_None);
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
588 return Py_None;
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
589 }
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
590
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
591 static struct PyMethodDef I_methods[] = {
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
592 /* Common methods: */
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 25087
diff changeset
593 {"flush", (PyCFunction)IO_flush, METH_NOARGS, IO_flush__doc__},
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
594 {"getvalue", (PyCFunction)IO_getval, METH_VARARGS, IO_getval__doc__},
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 25087
diff changeset
595 {"isatty", (PyCFunction)IO_isatty, METH_NOARGS, IO_isatty__doc__},
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
596 {"read", (PyCFunction)IO_read, METH_VARARGS, IO_read__doc__},
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
597 {"readline", (PyCFunction)IO_readline, METH_VARARGS, IO_readline__doc__},
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
598 {"readlines", (PyCFunction)IO_readlines,METH_VARARGS, IO_readlines__doc__},
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 25087
diff changeset
599 {"reset", (PyCFunction)IO_reset, METH_NOARGS, IO_reset__doc__},
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 25087
diff changeset
600 {"tell", (PyCFunction)IO_tell, METH_NOARGS, IO_tell__doc__},
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
601 {"truncate", (PyCFunction)IO_truncate, METH_VARARGS, IO_truncate__doc__},
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
602
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
603 /* Read-only StringIO specific methods: */
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 25087
diff changeset
604 {"close", (PyCFunction)I_close, METH_NOARGS, O_close__doc__},
9642
08379c7f5fa9 Jim Fulton writes:
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
605 {"seek", (PyCFunction)I_seek, METH_VARARGS, O_seek__doc__},
08379c7f5fa9 Jim Fulton writes:
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
606 {NULL, NULL}
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
607 };
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
608
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
609 static void
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
610 I_dealloc(Iobject *self) {
6215
eb7a01b86f93 Fix the bug Jeremy was experiencing: both the close() and the
Guido van Rossum <guido@python.org>
parents: 5991
diff changeset
611 Py_XDECREF(self->pbuf);
12576
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12385
diff changeset
612 PyObject_Del(self);
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
613 }
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
614
20033
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
615
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23301
diff changeset
616 PyDoc_STRVAR(Itype__doc__,
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23301
diff changeset
617 "Simple type for treating strings as input file streams");
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
618
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
619 static PyTypeObject Itype = {
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
620 PyObject_HEAD_INIT(NULL)
20033
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
621 0, /*ob_size*/
30126
6842ceb39a14 reverting to 2.41 version (distinct tp_names) - will add verbiage to the
Skip Montanaro <skip@pobox.com>
parents: 30125
diff changeset
622 "cStringIO.StringI", /*tp_name*/
20033
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
623 sizeof(Iobject), /*tp_basicsize*/
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
624 0, /*tp_itemsize*/
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
625 /* methods */
20033
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
626 (destructor)I_dealloc, /*tp_dealloc*/
37305
5e1b6f553763 Remove unnecessary casts from type object initializers.
Georg Brandl <georg@python.org>
parents: 37005
diff changeset
627 0, /*tp_print*/
28772
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
628 0, /* tp_getattr */
37305
5e1b6f553763 Remove unnecessary casts from type object initializers.
Georg Brandl <georg@python.org>
parents: 37005
diff changeset
629 0, /*tp_setattr*/
5e1b6f553763 Remove unnecessary casts from type object initializers.
Georg Brandl <georg@python.org>
parents: 37005
diff changeset
630 0, /*tp_compare*/
5e1b6f553763 Remove unnecessary casts from type object initializers.
Georg Brandl <georg@python.org>
parents: 37005
diff changeset
631 0, /*tp_repr*/
20033
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
632 0, /*tp_as_number*/
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
633 0, /*tp_as_sequence*/
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
634 0, /*tp_as_mapping*/
37305
5e1b6f553763 Remove unnecessary casts from type object initializers.
Georg Brandl <georg@python.org>
parents: 37005
diff changeset
635 0, /*tp_hash*/
5e1b6f553763 Remove unnecessary casts from type object initializers.
Georg Brandl <georg@python.org>
parents: 37005
diff changeset
636 0, /*tp_call*/
5e1b6f553763 Remove unnecessary casts from type object initializers.
Georg Brandl <georg@python.org>
parents: 37005
diff changeset
637 0, /*tp_str*/
20033
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
638 0, /* tp_getattro */
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
639 0, /* tp_setattro */
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
640 0, /* tp_as_buffer */
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
641 Py_TPFLAGS_DEFAULT, /* tp_flags */
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
642 Itype__doc__, /* tp_doc */
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
643 0, /* tp_traverse */
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
644 0, /* tp_clear */
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
645 0, /* tp_richcompare */
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
646 0, /* tp_weaklistoffset */
28772
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
647 PyObject_SelfIter, /* tp_iter */
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
648 (iternextfunc)IO_iternext, /* tp_iternext */
30096
06016d5d81d7 SF bug #770485: cStringIO does not set closed attr
Raymond Hettinger <python@rcn.com>
parents: 28772
diff changeset
649 I_methods, /* tp_methods */
06016d5d81d7 SF bug #770485: cStringIO does not set closed attr
Raymond Hettinger <python@rcn.com>
parents: 28772
diff changeset
650 0, /* tp_members */
06016d5d81d7 SF bug #770485: cStringIO does not set closed attr
Raymond Hettinger <python@rcn.com>
parents: 28772
diff changeset
651 file_getsetlist, /* tp_getset */
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
652 };
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
653
5991
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
654 static PyObject *
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
655 newIobject(PyObject *s) {
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
656 Iobject *self;
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
657 char *buf;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36324
diff changeset
658 Py_ssize_t size;
12385
627226df9f01 raise TypeError when bad argument passed to cStringIO.StringIO
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11882
diff changeset
659
20060
ccec02bfe9a0 StringIO patch #462596: let's [c]StringIO accept read buffers on
Marc-André Lemburg <mal@egenix.com>
parents: 20033
diff changeset
660 if (PyObject_AsReadBuffer(s, (const void **)&buf, &size)) {
ccec02bfe9a0 StringIO patch #462596: let's [c]StringIO accept read buffers on
Marc-André Lemburg <mal@egenix.com>
parents: 20033
diff changeset
661 PyErr_Format(PyExc_TypeError, "expected read buffer, %.200s found",
12385
627226df9f01 raise TypeError when bad argument passed to cStringIO.StringIO
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11882
diff changeset
662 s->ob_type->tp_name);
627226df9f01 raise TypeError when bad argument passed to cStringIO.StringIO
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11882
diff changeset
663 return NULL;
627226df9f01 raise TypeError when bad argument passed to cStringIO.StringIO
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11882
diff changeset
664 }
36790
48a28b35dd64 Remove UNLESS.
Martin v. Löwis <martin@v.loewis.de>
parents: 36782
diff changeset
665 self = PyObject_New(Iobject, &Itype);
48a28b35dd64 Remove UNLESS.
Martin v. Löwis <martin@v.loewis.de>
parents: 36782
diff changeset
666 if (!self) return NULL;
5991
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
667 Py_INCREF(s);
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
668 self->buf=buf;
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
669 self->string_size=size;
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
670 self->pbuf=s;
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
671 self->pos=0;
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
672
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
673 return (PyObject*)self;
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
674 }
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
675
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
676 /* End of code for StringI objects */
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
677 /* -------------------------------------------------------- */
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
678
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
679
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23301
diff changeset
680 PyDoc_STRVAR(IO_StringIO__doc__,
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23301
diff changeset
681 "StringIO([s]) -- Return a StringIO-like stream for reading or writing");
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
682
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
683 static PyObject *
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
684 IO_StringIO(PyObject *self, PyObject *args) {
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
685 PyObject *s=0;
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
686
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 25087
diff changeset
687 if (!PyArg_UnpackTuple(args, "StringIO", 0, 1, &s)) return NULL;
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
688
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
689 if (s) return newIobject(s);
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
690 return newOobject(128);
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
691 }
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
692
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
693 /* List of methods defined in the module */
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
694
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
695 static struct PyMethodDef IO_methods[] = {
13817
3c0f75a2198f Use METH_VARARGS instead of numeric constant 1 in method def. tables
Andrew M. Kuchling <amk@amk.ca>
parents: 13690
diff changeset
696 {"StringIO", (PyCFunction)IO_StringIO,
3c0f75a2198f Use METH_VARARGS instead of numeric constant 1 in method def. tables
Andrew M. Kuchling <amk@amk.ca>
parents: 13690
diff changeset
697 METH_VARARGS, IO_StringIO__doc__},
4906
fce781b127b9 Jim's latest version.
Guido van Rossum <guido@python.org>
parents: 4598
diff changeset
698 {NULL, NULL} /* sentinel */
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
699 };
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
700
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
701
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
702 /* Initialization function for the module (*must* be called initcStringIO) */
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
703
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
704 static struct PycStringIO_CAPI CAPI = {
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
705 IO_cread,
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
706 IO_creadline,
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
707 O_cwrite,
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
708 IO_cgetval,
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
709 newOobject,
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
710 newIobject,
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
711 &Itype,
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
712 &Otype,
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
713 };
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
714
24471
f66b3a3509c7 Excise DL_EXPORT/DL_IMPORT from Modules/*. Required adding a prototype
Mark Hammond <mhammond@skippinet.com.au>
parents: 23832
diff changeset
715 #ifndef PyMODINIT_FUNC /* declarations for DLL import/export */
f66b3a3509c7 Excise DL_EXPORT/DL_IMPORT from Modules/*. Required adding a prototype
Mark Hammond <mhammond@skippinet.com.au>
parents: 23832
diff changeset
716 #define PyMODINIT_FUNC void
9642
08379c7f5fa9 Jim Fulton writes:
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
717 #endif
24471
f66b3a3509c7 Excise DL_EXPORT/DL_IMPORT from Modules/*. Required adding a prototype
Mark Hammond <mhammond@skippinet.com.au>
parents: 23832
diff changeset
718 PyMODINIT_FUNC
13690
c09c0171474f ANSIfy some more forward declarations.
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
719 initcStringIO(void) {
6227
613f976a57b4 #Plug small memory leaks in constructors.
Guido van Rossum <guido@python.org>
parents: 6215
diff changeset
720 PyObject *m, *d, *v;
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
721
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
722
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
723 /* Create the module and add the functions */
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
724 m = Py_InitModule4("cStringIO", IO_methods,
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
725 cStringIO_module_documentation,
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
726 (PyObject*)NULL,PYTHON_API_VERSION);
36324
1af7f719ed28 Check return result from Py_InitModule*(). This API can fail.
Neal Norwitz <nnorwitz@gmail.com>
parents: 35999
diff changeset
727 if (m == NULL) return;
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
728
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
729 /* Add some symbolic constants to the module */
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
730 d = PyModule_GetDict(m);
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
731
4906
fce781b127b9 Jim's latest version.
Guido van Rossum <guido@python.org>
parents: 4598
diff changeset
732 /* Export C API */
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
733 Itype.ob_type=&PyType_Type;
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
734 Otype.ob_type=&PyType_Type;
28772
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
735 if (PyType_Ready(&Otype) < 0) return;
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
736 if (PyType_Ready(&Itype) < 0) return;
6227
613f976a57b4 #Plug small memory leaks in constructors.
Guido van Rossum <guido@python.org>
parents: 6215
diff changeset
737 PyDict_SetItemString(d,"cStringIO_CAPI",
613f976a57b4 #Plug small memory leaks in constructors.
Guido van Rossum <guido@python.org>
parents: 6215
diff changeset
738 v = PyCObject_FromVoidPtr(&CAPI,NULL));
613f976a57b4 #Plug small memory leaks in constructors.
Guido van Rossum <guido@python.org>
parents: 6215
diff changeset
739 Py_XDECREF(v);
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
740
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
741 /* Export Types */
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
742 PyDict_SetItemString(d,"InputType", (PyObject*)&Itype);
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
743 PyDict_SetItemString(d,"OutputType", (PyObject*)&Otype);
5991
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
744
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
745 /* Maybe make certain warnings go away */
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
746 if (0) PycString_IMPORT;
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
747 }