Mercurial > cpython-lru_cache-weakref

annotate Lib/idlelib/OutputWindow.py @ 58765:2ba7677bfa95 legacy-trunk

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
testCopysign was defined twice in test_math; combine the definitions
author Mark Dickinson <dickinsm@gmail.com>
date Sat, 06 Feb 2010 23:11:25 +0000
parents 9fef1f1657c8
children eab361617f6a
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.
Georg Brandl <georg@python.org>
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1 from Tkinter import *
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2 from EditorWindow import EditorWindow
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3 import re
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Georg Brandl <georg@python.org>
parents: 47101
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4 import tkMessageBox
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5 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, l):
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51 map(self.write, l)
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52
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53 def flush(self):
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54 pass
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55
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56 # Our own right-button menu
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57
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58 rmenu_specs = [
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59 ("Go to file/line", "<<goto-file-line>>"),
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60 ]
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61
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62 file_line_pats = [
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63 # order of patterns matters
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64 r'file "([^"]*)", line (\d+)',
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65 r'([^\s]+)\((\d+)\)',
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66 r'^(\s*\S.*?):\s*(\d+):', # Win filename, maybe starting with spaces
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67 r'([^\s]+):\s*(\d+):', # filename or path, ltrim
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68 r'^\s*(\S.*?):\s*(\d+):', # Win abs path with embedded spaces, ltrim
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69 ]
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70
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71 file_line_progs = None
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72
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73 def goto_file_line(self, event=None):
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74 if self.file_line_progs is None:
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75 l = []
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76 for pat in self.file_line_pats:
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77 l.append(re.compile(pat, re.IGNORECASE))
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78 self.file_line_progs = l
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79 # x, y = self.event.x, self.event.y
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80 # self.text.mark_set("insert", "@%d,%d" % (x, y))
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81 line = self.text.get("insert linestart", "insert lineend")
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82 result = self._file_line_helper(line)
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83 if not result:
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84 # Try the previous line. This is handy e.g. in tracebacks,
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85 # where you tend to right-click on the displayed source line
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86 line = self.text.get("insert -1line linestart",
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87 "insert -1line lineend")
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88 result = self._file_line_helper(line)
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89 if not result:
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90 tkMessageBox.showerror(
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91 "No special line",
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92 "The line you point at doesn't look like "
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93 "a valid file name followed by a line number.",
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94 master=self.text)
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95 return
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96 filename, lineno = result
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97 edit = self.flist.open(filename)
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98 edit.gotoline(lineno)
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99
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100 def _file_line_helper(self, line):
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101 for prog in self.file_line_progs:
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102 match = prog.search(line)
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103 if match:
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104 filename, lineno = match.group(1, 2)
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105 try:
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106 f = open(filename, "r")
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107 f.close()
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108 break
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109 except IOError:
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110 continue
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111 else:
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112 return None
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113 try:
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114 return filename, int(lineno)
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115 except TypeError:
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116 return None
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117
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118 # These classes are currently not used but might come in handy
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119
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120 class OnDemandOutputWindow:
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121
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122 tagdefs = {
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123 # XXX Should use IdlePrefs.ColorPrefs
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124 "stdout": {"foreground": "blue"},
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125 "stderr": {"foreground": "#007700"},
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126 }
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127
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128 def __init__(self, flist):
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129 self.flist = flist
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130 self.owin = None
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131
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132 def write(self, s, tags, mark):
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133 if not self.owin:
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134 self.setup()
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135 self.owin.write(s, tags, mark)
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136
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137 def setup(self):
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138 self.owin = owin = OutputWindow(self.flist)
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139 text = owin.text
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140 for tag, cnf in self.tagdefs.items():
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141 if cnf:
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142 text.tag_configure(tag, **cnf)
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143 text.tag_raise('sel')
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144 self.write = self.owin.write