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116 lines
4.2 KiB
Python
116 lines
4.2 KiB
Python
8 months ago
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# -*- coding: utf-8 -*-
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# Part of Odoo. 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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import os
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import re
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import warnings
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import zipfile
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from os.path import join as opj
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WINDOWS_RESERVED = re.compile(r'''
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^
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# forbidden stems: reserved keywords
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(:?CON|PRN|AUX|NUL|COM[1-9]|LPT[1-9])
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# even with an extension this is recommended against
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(:?\..*)?
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$
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''', flags=re.IGNORECASE | re.VERBOSE)
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def clean_filename(name, replacement=''):
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""" Strips or replaces possibly problematic or annoying characters our of
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the input string, in order to make it a valid filename in most operating
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systems (including dropping reserved Windows filenames).
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If this results in an empty string, results in "Untitled" (localized).
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Allows:
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* any alphanumeric character (unicode)
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* underscore (_) as that's innocuous
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* dot (.) except in leading position to avoid creating dotfiles
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* dash (-) except in leading position to avoid annoyance / confusion with
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command options
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* brackets ([ and ]), while they correspond to shell *character class*
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they're a common way to mark / tag files especially on windows
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* parenthesis ("(" and ")"), a more natural though less common version of
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the former
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* space (" ")
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:param str name: file name to clean up
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:param str replacement:
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replacement string to use for sequences of problematic input, by default
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an empty string to remove them entirely, each contiguous sequence of
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problems is replaced by a single replacement
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:rtype: str
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"""
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if WINDOWS_RESERVED.match(name):
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return "Untitled"
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return re.sub(r'[^\w_.()\[\] -]+', replacement, name).lstrip('.-') or "Untitled"
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def listdir(dir, recursive=False):
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"""Allow to recursively get the file listing following symlinks, returns
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paths relative to the provided `dir` except completely broken if the symlink
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it follows leaves `dir`...
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"""
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assert recursive, "use `os.listdir` or `pathlib.Path.iterdir`"
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warnings.warn("Since 16.0, use os.walk or a recursive glob", DeprecationWarning, stacklevel=2)
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dir = os.path.normpath(dir)
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res = []
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for root, _, files in os.walk(dir, followlinks=True):
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r = os.path.relpath(root, dir)
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yield from (opj(r, f) for f in files)
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return res
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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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is_running_as_nt_service = lambda: False
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else:
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import win32service as ws
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import win32serviceutil as wsu
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from contextlib import contextmanager
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from odoo.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'] == os.getppid()
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except Exception:
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return False
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