ref: e72da62915b09d5673b0c0179ba8dfe045aeb8c3
dir: /sys/lib/python/idlelib/PathBrowser.py/
import os import sys import imp from TreeWidget import TreeItem from ClassBrowser import ClassBrowser, ModuleBrowserTreeItem class PathBrowser(ClassBrowser): def __init__(self, flist): self.init(flist) def settitle(self): self.top.wm_title("Path Browser") self.top.wm_iconname("Path Browser") def rootnode(self): return PathBrowserTreeItem() class PathBrowserTreeItem(TreeItem): def GetText(self): return "sys.path" def GetSubList(self): sublist = [] for dir in sys.path: item = DirBrowserTreeItem(dir) sublist.append(item) return sublist class DirBrowserTreeItem(TreeItem): def __init__(self, dir, packages=[]): self.dir = dir self.packages = packages def GetText(self): if not self.packages: return self.dir else: return self.packages[-1] + ": package" def GetSubList(self): try: names = os.listdir(self.dir or os.curdir) except os.error: return [] packages = [] for name in names: file = os.path.join(self.dir, name) if self.ispackagedir(file): nn = os.path.normcase(name) packages.append((nn, name, file)) packages.sort() sublist = [] for nn, name, file in packages: item = DirBrowserTreeItem(file, self.packages + [name]) sublist.append(item) for nn, name in self.listmodules(names): item = ModuleBrowserTreeItem(os.path.join(self.dir, name)) sublist.append(item) return sublist def ispackagedir(self, file): if not os.path.isdir(file): return 0 init = os.path.join(file, "__init__.py") return os.path.exists(init) def listmodules(self, allnames): modules = {} suffixes = imp.get_suffixes() sorted = [] for suff, mode, flag in suffixes: i = -len(suff) for name in allnames[:]: normed_name = os.path.normcase(name) if normed_name[i:] == suff: mod_name = name[:i] if not modules.has_key(mod_name): modules[mod_name] = None sorted.append((normed_name, name)) allnames.remove(name) sorted.sort() return sorted def main(): import PyShell PathBrowser(PyShell.flist) if sys.stdin is sys.__stdin__: mainloop() if __name__ == "__main__": main()