141 lines
4.9 KiB
Python
141 lines
4.9 KiB
Python
# -*- coding: utf-8 -*-
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# Part of Odoo, Flectra. See LICENSE file for full copyright and licensing details.
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"""
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Some functions related to the os and os.path module
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"""
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from contextlib import contextmanager
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import os
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from os.path import join as opj
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import shutil
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import tempfile
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import zipfile
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if os.name == 'nt':
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import ctypes
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import win32service as ws
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import win32serviceutil as wsu
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def listdir(dir, recursive=False):
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"""Allow to recursively get the file listing"""
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dir = os.path.normpath(dir)
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if not recursive:
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return os.listdir(dir)
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res = []
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for root, dirs, files in walksymlinks(dir):
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root = root[len(dir)+1:]
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res.extend([opj(root, f) for f in files])
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return res
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def walksymlinks(top, topdown=True, onerror=None):
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"""
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same as os.walk but follow symlinks
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attention: all symlinks are walked before all normal directories
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"""
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for dirpath, dirnames, filenames in os.walk(top, topdown, onerror):
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if topdown:
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yield dirpath, dirnames, filenames
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symlinks = (dirname for dirname in dirnames if os.path.islink(os.path.join(dirpath, dirname)))
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for s in symlinks:
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for x in walksymlinks(os.path.join(dirpath, s), topdown, onerror):
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yield x
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if not topdown:
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yield dirpath, dirnames, filenames
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@contextmanager
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def tempdir():
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tmpdir = tempfile.mkdtemp()
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try:
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yield tmpdir
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finally:
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shutil.rmtree(tmpdir)
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def zip_dir(path, stream, include_dir=True, fnct_sort=None): # TODO add ignore list
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"""
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: param fnct_sort : Function to be passed to "key" parameter of built-in
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python sorted() to provide flexibility of sorting files
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inside ZIP archive according to specific requirements.
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"""
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path = os.path.normpath(path)
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len_prefix = len(os.path.dirname(path)) if include_dir else len(path)
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if len_prefix:
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len_prefix += 1
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with zipfile.ZipFile(stream, 'w', compression=zipfile.ZIP_DEFLATED, allowZip64=True) as zipf:
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for dirpath, dirnames, filenames in os.walk(path):
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filenames = sorted(filenames, key=fnct_sort)
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for fname in filenames:
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bname, ext = os.path.splitext(fname)
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ext = ext or bname
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if ext not in ['.pyc', '.pyo', '.swp', '.DS_Store']:
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path = os.path.normpath(os.path.join(dirpath, fname))
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if os.path.isfile(path):
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zipf.write(path, path[len_prefix:])
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if os.name != 'nt':
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getppid = os.getppid
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is_running_as_nt_service = lambda: False
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else:
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# based on http://mail.python.org/pipermail/python-win32/2007-June/006174.html
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_TH32CS_SNAPPROCESS = 0x00000002
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class _PROCESSENTRY32(ctypes.Structure):
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_fields_ = [("dwSize", ctypes.c_ulong),
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("cntUsage", ctypes.c_ulong),
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("th32ProcessID", ctypes.c_ulong),
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("th32DefaultHeapID", ctypes.c_ulong),
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("th32ModuleID", ctypes.c_ulong),
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("cntThreads", ctypes.c_ulong),
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("th32ParentProcessID", ctypes.c_ulong),
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("pcPriClassBase", ctypes.c_ulong),
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("dwFlags", ctypes.c_ulong),
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("szExeFile", ctypes.c_char * 260)]
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def getppid():
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CreateToolhelp32Snapshot = ctypes.windll.kernel32.CreateToolhelp32Snapshot
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Process32First = ctypes.windll.kernel32.Process32First
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Process32Next = ctypes.windll.kernel32.Process32Next
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CloseHandle = ctypes.windll.kernel32.CloseHandle
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hProcessSnap = CreateToolhelp32Snapshot(_TH32CS_SNAPPROCESS, 0)
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current_pid = os.getpid()
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try:
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pe32 = _PROCESSENTRY32()
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pe32.dwSize = ctypes.sizeof(_PROCESSENTRY32)
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if not Process32First(hProcessSnap, ctypes.byref(pe32)):
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raise OSError('Failed getting first process.')
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while True:
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if pe32.th32ProcessID == current_pid:
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return pe32.th32ParentProcessID
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if not Process32Next(hProcessSnap, ctypes.byref(pe32)):
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return None
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finally:
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CloseHandle(hProcessSnap)
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from contextlib import contextmanager
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from flectra.release import nt_service_name
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def is_running_as_nt_service():
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@contextmanager
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def close_srv(srv):
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try:
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yield srv
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finally:
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ws.CloseServiceHandle(srv)
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try:
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with close_srv(ws.OpenSCManager(None, None, ws.SC_MANAGER_ALL_ACCESS)) as hscm:
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with close_srv(wsu.SmartOpenService(hscm, nt_service_name, ws.SERVICE_ALL_ACCESS)) as hs:
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info = ws.QueryServiceStatusEx(hs)
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return info['ProcessId'] == getppid()
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except Exception:
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return False
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if __name__ == '__main__':
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from pprint import pprint as pp
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pp(listdir('../report', True))
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