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import importlib.machinery

import os

import sys

from idlelib.browser import ModuleBrowser, ModuleBrowserTreeItem

from idlelib.tree import TreeItem

class PathBrowser(ModuleBrowser):

def __init__(self, master, *, _htest=False, _utest=False):

"""

_htest - bool, change box location when running htest

"""

self.master = master

self._htest = _htest

self._utest = _utest

self.init()

def settitle(self):

"Set window titles."

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 OSError:

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):

" Return true for directories that are packages."

if not os.path.isdir(file):

return False

init = os.path.join(file, "__init__.py")

return os.path.exists(init)

def listmodules(self, allnames):

modules = {}

suffixes = importlib.machinery.EXTENSION_SUFFIXES[:]

suffixes += importlib.machinery.SOURCE_SUFFIXES

suffixes += importlib.machinery.BYTECODE_SUFFIXES

sorted = []

for suff 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 mod_name not in modules:

modules[mod_name] = None

sorted.append((normed_name, name))

allnames.remove(name)

sorted.sort()

return sorted

if __name__ == "__main__":

from unittest import main

main('idlelib.idle_test.test_pathbrowser', verbosity=2, exit=False)

from idlelib.idle_test.htest import run

run(PathBrowser)

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