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

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 684960fb1cbf
children eab361617f6a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 import os
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Georg Brandl <georg@python.org>
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2 from Tkinter import *
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Georg Brandl <georg@python.org>
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3 import tkMessageBox
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4
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5
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6 class FileList:
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7
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8 from EditorWindow import EditorWindow # class variable, may be overridden
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9 # e.g. by PyShellFileList
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10
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11 def __init__(self, root):
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12 self.root = root
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13 self.dict = {}
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14 self.inversedict = {}
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15 self.vars = {} # For EditorWindow.getrawvar (shared Tcl variables)
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16
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17 def open(self, filename, action=None):
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18 assert filename
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19 filename = self.canonize(filename)
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20 if os.path.isdir(filename):
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21 # This can happen when bad filename is passed on command line:
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22 tkMessageBox.showerror(
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23 "File Error",
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24 "%r is a directory." % (filename,),
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25 master=self.root)
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26 return None
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27 key = os.path.normcase(filename)
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28 if key in self.dict:
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29 edit = self.dict[key]
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30 edit.top.wakeup()
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31 return edit
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32 if action:
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33 # Don't create window, perform 'action', e.g. open in same window
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34 return action(filename)
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35 else:
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36 return self.EditorWindow(self, filename, key)
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37
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38 def gotofileline(self, filename, lineno=None):
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39 edit = self.open(filename)
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40 if edit is not None and lineno is not None:
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41 edit.gotoline(lineno)
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42
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43 def new(self, filename=None):
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44 return self.EditorWindow(self, filename)
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45
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46 def close_all_callback(self, event):
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47 for edit in self.inversedict.keys():
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48 reply = edit.close()
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49 if reply == "cancel":
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50 break
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51 return "break"
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52
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53 def unregister_maybe_terminate(self, edit):
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54 try:
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55 key = self.inversedict[edit]
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56 except KeyError:
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57 print "Don't know this EditorWindow object. (close)"
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58 return
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59 if key:
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60 del self.dict[key]
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61 del self.inversedict[edit]
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62 if not self.inversedict:
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63 self.root.quit()
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64
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65 def filename_changed_edit(self, edit):
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66 edit.saved_change_hook()
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67 try:
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68 key = self.inversedict[edit]
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69 except KeyError:
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70 print "Don't know this EditorWindow object. (rename)"
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71 return
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72 filename = edit.io.filename
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73 if not filename:
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74 if key:
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75 del self.dict[key]
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76 self.inversedict[edit] = None
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77 return
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78 filename = self.canonize(filename)
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79 newkey = os.path.normcase(filename)
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80 if newkey == key:
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81 return
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82 if newkey in self.dict:
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83 conflict = self.dict[newkey]
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84 self.inversedict[conflict] = None
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85 tkMessageBox.showerror(
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86 "Name Conflict",
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87 "You now have multiple edit windows open for %r" % (filename,),
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88 master=self.root)
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89 self.dict[newkey] = edit
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90 self.inversedict[edit] = newkey
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91 if key:
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92 try:
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93 del self.dict[key]
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94 except KeyError:
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95 pass
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96
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97 def canonize(self, filename):
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98 if not os.path.isabs(filename):
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99 try:
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100 pwd = os.getcwd()
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101 except os.error:
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102 pass
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103 else:
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104 filename = os.path.join(pwd, filename)
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105 return os.path.normpath(filename)
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106
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107
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108 def _test():
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109 from EditorWindow import fixwordbreaks
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110 import sys
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111 root = Tk()
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112 fixwordbreaks(root)
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113 root.withdraw()
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114 flist = FileList(root)
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115 if sys.argv[1:]:
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116 for filename in sys.argv[1:]:
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117 flist.open(filename)
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118 else:
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119 flist.new()
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120 if flist.inversedict:
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121 root.mainloop()
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122
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123 if __name__ == '__main__':
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124 _test()