Mercurial > cpython-lru_cache-weakref

annotate Lib/idlelib/OutputWindow.py @ 80661:94de77bd0b4b 2.7

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Issue #16194: document imp.load_dynamic problems when read several extension modules from the same binary object file.
author Andrew Svetlov <andrew.svetlov@gmail.com>
date Thu, 29 Nov 2012 19:51:28 +0200
parents 639dd6e62de4
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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b53604fad54b Tkinter rename reversal: remove tkinter package, adapt imports and docs.
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1 from Tkinter import *
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2 from idlelib.EditorWindow import EditorWindow
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3 import re
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4 import tkMessageBox
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5 from idlelib import IOBinding
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6
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7 class OutputWindow(EditorWindow):
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8
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9 """An editor window that can serve as an output file.
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10
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11 Also the future base class for the Python shell window.
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12 This class has no input facilities.
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13 """
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14
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15 def __init__(self, *args):
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16 EditorWindow.__init__(self, *args)
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17 self.text.bind("<<goto-file-line>>", self.goto_file_line)
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18
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19 # Customize EditorWindow
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20
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21 def ispythonsource(self, filename):
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22 # No colorization needed
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23 return 0
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24
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25 def short_title(self):
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26 return "Output"
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27
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28 def maybesave(self):
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29 # Override base class method -- don't ask any questions
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30 if self.get_saved():
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31 return "yes"
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32 else:
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33 return "no"
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34
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35 # Act as output file
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36
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37 def write(self, s, tags=(), mark="insert"):
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38 # Tk assumes that byte strings are Latin-1;
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39 # we assume that they are in the locale's encoding
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40 if isinstance(s, str):
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41 try:
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42 s = unicode(s, IOBinding.encoding)
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43 except UnicodeError:
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44 # some other encoding; let Tcl deal with it
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45 pass
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46 self.text.insert(mark, s, tags)
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47 self.text.see(mark)
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48 self.text.update()
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49
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50 def writelines(self, lines):
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51 for line in lines:
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52 self.write(line)
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53
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54 def flush(self):
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55 pass
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56
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57 # Our own right-button menu
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58
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59 rmenu_specs = [
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60 ("Cut", "<<cut>>", "rmenu_check_cut"),
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61 ("Copy", "<<copy>>", "rmenu_check_copy"),
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62 ("Paste", "<<paste>>", "rmenu_check_paste"),
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63 (None, None, None),
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64 ("Go to file/line", "<<goto-file-line>>", None),
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65 ]
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66
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67 file_line_pats = [
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68 # order of patterns matters
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69 r'file "([^"]*)", line (\d+)',
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70 r'([^\s]+)\((\d+)\)',
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71 r'^(\s*\S.*?):\s*(\d+):', # Win filename, maybe starting with spaces
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72 r'([^\s]+):\s*(\d+):', # filename or path, ltrim
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73 r'^\s*(\S.*?):\s*(\d+):', # Win abs path with embedded spaces, ltrim
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74 ]
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75
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76 file_line_progs = None
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77
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78 def goto_file_line(self, event=None):
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79 if self.file_line_progs is None:
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80 l = []
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81 for pat in self.file_line_pats:
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82 l.append(re.compile(pat, re.IGNORECASE))
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83 self.file_line_progs = l
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84 # x, y = self.event.x, self.event.y
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85 # self.text.mark_set("insert", "@%d,%d" % (x, y))
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86 line = self.text.get("insert linestart", "insert lineend")
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87 result = self._file_line_helper(line)
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88 if not result:
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89 # Try the previous line. This is handy e.g. in tracebacks,
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90 # where you tend to right-click on the displayed source line
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91 line = self.text.get("insert -1line linestart",
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92 "insert -1line lineend")
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93 result = self._file_line_helper(line)
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94 if not result:
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95 tkMessageBox.showerror(
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96 "No special line",
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97 "The line you point at doesn't look like "
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98 "a valid file name followed by a line number.",
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99 master=self.text)
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100 return
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101 filename, lineno = result
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102 edit = self.flist.open(filename)
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103 edit.gotoline(lineno)
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104
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105 def _file_line_helper(self, line):
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106 for prog in self.file_line_progs:
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107 match = prog.search(line)
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108 if match:
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109 filename, lineno = match.group(1, 2)
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110 try:
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111 f = open(filename, "r")
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112 f.close()
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113 break
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114 except IOError:
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115 continue
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116 else:
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117 return None
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118 try:
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119 return filename, int(lineno)
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120 except TypeError:
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121 return None
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122
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123 # These classes are currently not used but might come in handy
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124
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125 class OnDemandOutputWindow:
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126
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127 tagdefs = {
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128 # XXX Should use IdlePrefs.ColorPrefs
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129 "stdout": {"foreground": "blue"},
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130 "stderr": {"foreground": "#007700"},
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131 }
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132
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133 def __init__(self, flist):
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134 self.flist = flist
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135 self.owin = None
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136
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137 def write(self, s, tags, mark):
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138 if not self.owin:
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139 self.setup()
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140 self.owin.write(s, tags, mark)
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141
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142 def setup(self):
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143 self.owin = owin = OutputWindow(self.flist)
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144 text = owin.text
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145 for tag, cnf in self.tagdefs.items():
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146 if cnf:
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147 text.tag_configure(tag, **cnf)
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148 text.tag_raise('sel')
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149 self.write = self.owin.write