annotate Lib/idlelib/PathBrowser.py @ 79691:05c8928362ee

Merge __next__ method link fixes with 3.3.
author Ezio Melotti <ezio.melotti@gmail.com>
date Fri, 12 Oct 2012 13:46:37 +0300
parents b81ddaf0db47
children d369e50677a6
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 import os
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2 import sys
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3 import imp
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4 import importlib.machinery
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5
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6 from idlelib.TreeWidget import TreeItem
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7 from idlelib.ClassBrowser import ClassBrowser, ModuleBrowserTreeItem
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8
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9 class PathBrowser(ClassBrowser):
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10
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11 def __init__(self, flist):
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12 self.init(flist)
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13
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14 def settitle(self):
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15 self.top.wm_title("Path Browser")
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16 self.top.wm_iconname("Path Browser")
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17
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18 def rootnode(self):
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19 return PathBrowserTreeItem()
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20
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21 class PathBrowserTreeItem(TreeItem):
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22
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23 def GetText(self):
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24 return "sys.path"
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25
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26 def GetSubList(self):
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27 sublist = []
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28 for dir in sys.path:
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29 item = DirBrowserTreeItem(dir)
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30 sublist.append(item)
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31 return sublist
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32
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33 class DirBrowserTreeItem(TreeItem):
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34
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35 def __init__(self, dir, packages=[]):
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36 self.dir = dir
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37 self.packages = packages
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38
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39 def GetText(self):
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40 if not self.packages:
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41 return self.dir
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42 else:
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43 return self.packages[-1] + ": package"
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44
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45 def GetSubList(self):
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46 try:
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47 names = os.listdir(self.dir or os.curdir)
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48 except os.error:
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49 return []
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50 packages = []
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51 for name in names:
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52 file = os.path.join(self.dir, name)
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53 if self.ispackagedir(file):
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54 nn = os.path.normcase(name)
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55 packages.append((nn, name, file))
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56 packages.sort()
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57 sublist = []
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58 for nn, name, file in packages:
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59 item = DirBrowserTreeItem(file, self.packages + [name])
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60 sublist.append(item)
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61 for nn, name in self.listmodules(names):
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62 item = ModuleBrowserTreeItem(os.path.join(self.dir, name))
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63 sublist.append(item)
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64 return sublist
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65
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66 def ispackagedir(self, file):
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67 if not os.path.isdir(file):
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68 return 0
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69 init = os.path.join(file, "__init__.py")
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70 return os.path.exists(init)
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71
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72 def listmodules(self, allnames):
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73 modules = {}
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74 suffixes = importlib.machinery.EXTENSION_SUFFIXES[:]
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75 suffixes += importlib.machinery.SOURCE_SUFFIXES[:]
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76 suffixes += importlib.machinery.BYTECODE_SUFFIXES[:]
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77 sorted = []
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78 for suff, mode, flag in suffixes:
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79 i = -len(suff)
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80 for name in allnames[:]:
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81 normed_name = os.path.normcase(name)
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82 if normed_name[i:] == suff:
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83 mod_name = name[:i]
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84 if mod_name not in modules:
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85 modules[mod_name] = None
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86 sorted.append((normed_name, name))
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87 allnames.remove(name)
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88 sorted.sort()
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89 return sorted
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90
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91 def main():
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92 from idlelib import PyShell
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93 PathBrowser(PyShell.flist)
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94 if sys.stdin is sys.__stdin__:
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95 mainloop()
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96
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97 if __name__ == "__main__":
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98 main()