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""" def namelist(self): return list(map(self._sanitize, super().namelist())) @staticmethod def _sanitize(name): r""" Ensure a relative path with posix separators and no dot names. Modeled after https://github.com/python/cpython/blob/bcc1be39cb1d04ad9fc0bd1b9193d3972835a57c/Lib/zipfile/__init__.py#L1799-L1813 but provides consistent cross-platform behavior. >>> san = SanitizedNames._sanitize >>> san('/foo/bar') 'foo/bar' >>> san('//foo.txt') 'foo.txt' >>> san('foo/.././bar.txt') 'foo/bar.txt' >>> san('foo../.bar.txt') 'foo../.bar.txt' >>> san('\\foo\\bar.txt') 'foo/bar.txt' >>> san('D:\\foo.txt') 'D/foo.txt' >>> san('\\\\server\\share\\file.txt') 'server/share/file.txt' >>> san('\\\\?\\GLOBALROOT\\Volume3') '?/GLOBALROOT/Volume3' >>> san('\\\\.\\PhysicalDrive1\\root') 'PhysicalDrive1/root' Retain any trailing slash. >>> san('abc/') 'abc/' Raises a ValueError if the result is empty. >>> san('../..') Traceback (most recent call last): ... ValueError: Empty filename """ def allowed(part): return part and part not in {'..', '.'} # Remove the drive letter. # Don't use ntpath.splitdrive, because that also strips UNC paths bare = re.sub('^([A-Z]):', r'\1', name, flags=re.IGNORECASE) clean = bare.replace('\\', '/') parts = clean.split('/') joined = '/'.join(filter(allowed, parts)) if not joined: raise ValueError("Empty filename") return joined + '/' * name.endswith('/') class Path: """ A pathlib-compatible interface for zip files. Consider a zip file with this structure:: . ├── a.txt └── b ├── c.txt └── d └── e.txt >>> data = io.BytesIO() >>> zf = zipfile.ZipFile(data, 'w') >>> zf.writestr('a.txt', 'content of a') >>> zf.writestr('b/c.txt', 'content of c') >>> zf.writestr('b/d/e.txt', 'content of e') >>> zf.filename = 'abcde.zip' Path accepts the zipfile object itself or a filename >>> root = Path(zf) From there, several path operations are available. Directory iteration (including the zip file itself): >>> a, b = root.iterdir() >>> a Path('abcde.zip', 'a.txt') >>> b Path('abcde.zip', 'b/') name property: >>> b.name 'b' join with divide operator: >>> c = b / 'c.txt' >>> c Path('abcde.zip', 'b/c.txt') >>> c.name 'c.txt' Read text: >>> c.read_text() 'content of c' existence: >>> c.exists() True >>> (b / 'missing.txt').exists() False Coercion to string: >>> str(c) 'abcde.zip/b/c.txt' """ __repr = "{self.__class__.__name__}({self.root.filename!r}, {self.at!r})" def __init__(self, root, at=""): self.root = ( root if isinstance(root, zipfile.ZipFile) else zipfile.ZipFile(self._pathlib_compat(root)) ) self.at = at @staticmethod def _pathlib_compat(path): """ For path-like objects, convert to a filename for compatibility on Python 3.6.1 and earlier. """ try: return path.__fspath__() except AttributeError: return str(path) @property def open(self): return functools.partial(self.root.open, self.at) @property def name(self): return posixpath.basename(self.at.rstrip("/")) def read_text(self, *args, **kwargs): with self.open() as strm: return io.TextIOWrapper(strm, *args, **kwargs).read() def read_bytes(self): with self.open() as strm: return strm.read() def _is_child(self, path): return posixpath.dirname(path.at.rstrip("/")) == self.at.rstrip("/") def _next(self, at): return Path(self.root, at) def is_dir(self): return not self.at or self.at.endswith("/") def is_file(self): return not self.is_dir() def exists(self): return self.at in self._names() def iterdir(self): if not self.is_dir(): raise ValueError("Can't listdir a file") subs = map(self._next, self._names()) return filter(self._is_child, subs) def __str__(self): return posixpath.join(self.root.filename, self.at) def __repr__(self): return self.__repr.format(self=self) def joinpath(self, add): add = self._pathlib_compat(add) next = posixpath.join(self.at, add) next_dir = posixpath.join(self.at, add, "") names = self._names() return self._next(next_dir if next not in names and next_dir in names else next) __truediv__ = joinpath @staticmethod def _implied_dirs(names): return more_itertools.unique_everseen( parent + "/" for name in names for parent in _parents(name) if parent + "/" not in names ) @classmethod def _add_implied_dirs(cls, names): return names + list(cls._implied_dirs(names)) @property def parent(self): parent_at = posixpath.dirname(self.at.rstrip('/')) if parent_at: parent_at += '/' return self._next(parent_at) def _names(self): return self._add_implied_dirs(list(map(SanitizedNames._sanitize, self.root.namelist()))) if sys.version_info < (3,): __div__ = __truediv__