Current Path: > > opt > alt > python312 > lib64 > python3.12 >
Operation : Linux premium131.web-hosting.com 4.18.0-553.44.1.lve.el8.x86_64 #1 SMP Thu Mar 13 14:29:12 UTC 2025 x86_64 Software : Apache Server IP : 162.0.232.56 | Your IP: 216.73.216.111 Domains : 1034 Domain(s) Permission : [ 0755 ]
Name | Type | Size | Last Modified | Actions |
---|---|---|---|---|
__pycache__ | Directory | - | - | |
asyncio | Directory | - | - | |
collections | Directory | - | - | |
concurrent | Directory | - | - | |
config-3.12-x86_64-linux-gnu | Directory | - | - | |
ctypes | Directory | - | - | |
curses | Directory | - | - | |
dbm | Directory | - | - | |
Directory | - | - | ||
encodings | Directory | - | - | |
ensurepip | Directory | - | - | |
html | Directory | - | - | |
http | Directory | - | - | |
importlib | Directory | - | - | |
json | Directory | - | - | |
lib-dynload | Directory | - | - | |
lib2to3 | Directory | - | - | |
logging | Directory | - | - | |
multiprocessing | Directory | - | - | |
pydoc_data | Directory | - | - | |
re | Directory | - | - | |
site-packages | Directory | - | - | |
sqlite3 | Directory | - | - | |
tomllib | Directory | - | - | |
unittest | Directory | - | - | |
urllib | Directory | - | - | |
venv | Directory | - | - | |
wsgiref | Directory | - | - | |
xml | Directory | - | - | |
xmlrpc | Directory | - | - | |
zipfile | Directory | - | - | |
zoneinfo | Directory | - | - | |
LICENSE.txt | File | 13936 bytes | June 03 2025 15:41:47. | |
__future__.py | File | 5218 bytes | June 23 2025 13:48:52. | |
__hello__.py | File | 227 bytes | June 23 2025 13:48:52. | |
_aix_support.py | File | 4021 bytes | June 23 2025 13:48:49. | |
_collections_abc.py | File | 32089 bytes | June 23 2025 13:48:37. | |
_compat_pickle.py | File | 8761 bytes | June 23 2025 13:48:48. | |
_compression.py | File | 5681 bytes | June 23 2025 13:48:37. | |
_markupbase.py | File | 14653 bytes | June 23 2025 13:48:37. | |
_osx_support.py | File | 22023 bytes | June 23 2025 13:48:50. | |
_py_abc.py | File | 6189 bytes | June 23 2025 13:48:51. | |
_pydatetime.py | File | 92087 bytes | June 23 2025 13:48:51. | |
_pydecimal.py | File | 227283 bytes | June 23 2025 13:48:36. | |
_pyio.py | File | 93593 bytes | June 23 2025 13:48:37. | |
_pylong.py | File | 10790 bytes | June 23 2025 13:48:37. | |
_sitebuiltins.py | File | 3128 bytes | June 23 2025 13:48:37. | |
_strptime.py | File | 28393 bytes | June 23 2025 13:48:51. | |
_sysconfigdata__linux_x86_64-linux-gnu.py | File | 76553 bytes | June 23 2025 13:58:24. | |
_sysconfigdata_d_linux_x86_64-linux-gnu.py | File | 76549 bytes | June 23 2025 13:51:17. | |
_threading_local.py | File | 7220 bytes | June 23 2025 13:48:37. | |
_weakrefset.py | File | 5893 bytes | June 23 2025 13:48:36. | |
abc.py | File | 6538 bytes | June 23 2025 13:48:37. | |
aifc.py | File | 34211 bytes | June 23 2025 13:48:51. | |
antigravity.py | File | 500 bytes | June 23 2025 13:48:37. | |
argparse.py | File | 101155 bytes | June 23 2025 13:48:49. | |
ast.py | File | 64452 bytes | June 23 2025 13:48:50. | |
base64.py | File | 20648 bytes | June 23 2025 13:48:37. | |
bdb.py | File | 33573 bytes | June 23 2025 13:48:48. | |
bisect.py | File | 3423 bytes | June 23 2025 13:48:36. | |
bz2.py | File | 11847 bytes | June 23 2025 13:48:50. | |
cProfile.py | File | 6569 bytes | June 23 2025 13:48:36. | |
calendar.py | File | 25864 bytes | June 23 2025 13:48:49. | |
cgi.py | File | 34432 bytes | June 23 2025 13:48:50. | |
cgitb.py | File | 12421 bytes | June 23 2025 13:48:52. | |
chunk.py | File | 5500 bytes | June 23 2025 13:48:37. | |
cmd.py | File | 14873 bytes | June 23 2025 13:48:36. | |
code.py | File | 10962 bytes | June 23 2025 13:48:37. | |
codecs.py | File | 36870 bytes | June 23 2025 13:48:37. | |
codeop.py | File | 5908 bytes | June 23 2025 13:48:36. | |
colorsys.py | File | 4062 bytes | June 23 2025 13:48:37. | |
compileall.py | File | 20507 bytes | June 23 2025 13:48:36. | |
configparser.py | File | 53789 bytes | June 23 2025 13:48:37. | |
contextlib.py | File | 27637 bytes | June 23 2025 13:48:36. | |
contextvars.py | File | 129 bytes | June 23 2025 13:48:48. | |
copy.py | File | 8412 bytes | June 23 2025 13:48:37. | |
copyreg.py | File | 7614 bytes | June 23 2025 13:48:50. | |
crypt.py | File | 3913 bytes | June 23 2025 13:48:37. | |
csv.py | File | 16386 bytes | June 23 2025 13:48:37. | |
dataclasses.py | File | 62085 bytes | June 23 2025 13:48:50. | |
datetime.py | File | 268 bytes | June 23 2025 13:48:52. | |
decimal.py | File | 2805 bytes | June 23 2025 13:48:49. | |
difflib.py | File | 83368 bytes | June 23 2025 13:48:37. | |
dis.py | File | 30227 bytes | June 23 2025 13:48:37. | |
doctest.py | File | 106749 bytes | June 23 2025 13:48:37. | |
enum.py | File | 81540 bytes | June 23 2025 13:48:37. | |
filecmp.py | File | 10381 bytes | June 23 2025 13:48:37. | |
fileinput.py | File | 15714 bytes | June 23 2025 13:48:37. | |
fnmatch.py | File | 5999 bytes | June 23 2025 13:48:37. | |
fractions.py | File | 38147 bytes | June 23 2025 13:48:36. | |
ftplib.py | File | 34735 bytes | June 23 2025 13:48:37. | |
functools.py | File | 37940 bytes | June 23 2025 13:48:52. | |
genericpath.py | File | 5572 bytes | June 23 2025 13:48:52. | |
getopt.py | File | 7488 bytes | June 23 2025 13:48:50. | |
getpass.py | File | 5990 bytes | June 23 2025 13:48:36. | |
gettext.py | File | 21320 bytes | June 23 2025 13:48:50. | |
glob.py | File | 8732 bytes | June 23 2025 13:48:36. | |
graphlib.py | File | 9648 bytes | June 23 2025 13:48:36. | |
gzip.py | File | 25402 bytes | June 23 2025 13:48:50. | |
hashlib.py | File | 9349 bytes | June 23 2025 13:48:51. | |
heapq.py | File | 23024 bytes | June 23 2025 13:48:36. | |
hmac.py | File | 7716 bytes | June 23 2025 13:48:37. | |
imaplib.py | File | 54040 bytes | June 23 2025 13:48:49. | |
imghdr.py | File | 4398 bytes | June 23 2025 13:48:50. | |
inspect.py | File | 127125 bytes | June 23 2025 13:48:48. | |
io.py | File | 3582 bytes | June 23 2025 13:48:37. | |
ipaddress.py | File | 81414 bytes | June 23 2025 13:48:49. | |
keyword.py | File | 1073 bytes | June 23 2025 13:48:50. | |
linecache.py | File | 5800 bytes | June 23 2025 13:48:37. | |
locale.py | File | 78599 bytes | June 23 2025 13:48:48. | |
lzma.py | File | 13277 bytes | June 23 2025 13:48:51. | |
mailbox.py | File | 78911 bytes | June 23 2025 13:48:48. | |
mailcap.py | File | 9333 bytes | June 23 2025 13:48:36. | |
mimetypes.py | File | 23037 bytes | June 23 2025 13:48:48. | |
modulefinder.py | File | 23699 bytes | June 23 2025 13:48:37. | |
netrc.py | File | 6922 bytes | June 23 2025 13:48:37. | |
nntplib.py | File | 41087 bytes | June 23 2025 13:48:36. | |
ntpath.py | File | 32324 bytes | June 23 2025 13:48:36. | |
nturl2path.py | File | 2374 bytes | June 23 2025 13:48:50. | |
numbers.py | File | 11467 bytes | June 23 2025 13:48:51. | |
opcode.py | File | 13174 bytes | June 23 2025 13:48:52. | |
operator.py | File | 10965 bytes | June 23 2025 13:48:48. | |
optparse.py | File | 60369 bytes | June 23 2025 13:48:50. | |
os.py | File | 40821 bytes | June 23 2025 13:48:36. | |
pathlib.py | File | 51052 bytes | June 23 2025 13:48:49. | |
pdb.py | File | 70311 bytes | June 23 2025 13:48:37. | |
pickle.py | File | 66911 bytes | June 23 2025 13:48:37. | |
pickletools.py | File | 94052 bytes | June 23 2025 13:48:37. | |
pipes.py | File | 8978 bytes | June 23 2025 13:48:50. | |
pkgutil.py | File | 18281 bytes | June 23 2025 13:48:37. | |
platform.py | File | 43402 bytes | June 23 2025 13:48:37. | |
plistlib.py | File | 28342 bytes | June 23 2025 13:48:36. | |
poplib.py | File | 14619 bytes | June 23 2025 13:48:36. | |
posixpath.py | File | 17483 bytes | June 23 2025 13:48:37. | |
pprint.py | File | 24158 bytes | June 23 2025 13:48:37. | |
profile.py | File | 23106 bytes | June 23 2025 13:48:37. | |
pstats.py | File | 29289 bytes | June 23 2025 13:48:37. | |
pty.py | File | 6137 bytes | June 23 2025 13:48:36. | |
py_compile.py | File | 7837 bytes | June 23 2025 13:48:49. | |
pyclbr.py | File | 11396 bytes | June 23 2025 13:48:36. | |
pydoc.py | File | 113522 bytes | June 23 2025 13:48:37. | |
queue.py | File | 11496 bytes | June 23 2025 13:48:50. | |
quopri.py | File | 7197 bytes | June 23 2025 13:48:50. | |
random.py | File | 34689 bytes | June 23 2025 13:48:36. | |
reprlib.py | File | 7148 bytes | June 23 2025 13:48:37. | |
rlcompleter.py | File | 7827 bytes | June 23 2025 13:48:52. | |
runpy.py | File | 12885 bytes | June 23 2025 13:48:36. | |
sched.py | File | 6351 bytes | June 23 2025 13:48:49. | |
secrets.py | File | 1984 bytes | June 23 2025 13:48:37. | |
selectors.py | File | 19671 bytes | June 23 2025 13:48:37. | |
shelve.py | File | 8560 bytes | June 23 2025 13:48:49. | |
shlex.py | File | 13353 bytes | June 23 2025 13:48:51. | |
shutil.py | File | 56762 bytes | June 23 2025 13:48:49. | |
signal.py | File | 2495 bytes | June 23 2025 13:48:49. | |
site.py | File | 23198 bytes | June 23 2025 13:48:48. | |
smtplib.py | File | 43545 bytes | June 23 2025 13:48:37. | |
sndhdr.py | File | 7448 bytes | June 23 2025 13:48:50. | |
socket.py | File | 37815 bytes | June 23 2025 13:48:51. | |
socketserver.py | File | 28065 bytes | June 23 2025 13:48:52. | |
sre_compile.py | File | 231 bytes | June 23 2025 13:48:37. | |
sre_constants.py | File | 232 bytes | June 23 2025 13:48:36. | |
sre_parse.py | File | 229 bytes | June 23 2025 13:48:37. | |
ssl.py | File | 50904 bytes | June 23 2025 13:48:48. | |
stat.py | File | 5485 bytes | June 23 2025 13:48:49. | |
statistics.py | File | 50227 bytes | June 23 2025 13:48:37. | |
string.py | File | 11786 bytes | June 23 2025 13:48:50. | |
stringprep.py | File | 12917 bytes | June 23 2025 13:48:37. | |
struct.py | File | 257 bytes | June 23 2025 13:48:37. | |
subprocess.py | File | 88747 bytes | June 23 2025 13:48:36. | |
sunau.py | File | 18478 bytes | June 23 2025 13:48:37. | |
symtable.py | File | 12477 bytes | June 23 2025 13:48:50. | |
sysconfig.py | File | 31850 bytes | June 23 2025 13:48:49. | |
tabnanny.py | File | 11545 bytes | June 23 2025 13:48:50. | |
tarfile.py | File | 112458 bytes | June 23 2025 13:48:37. | |
telnetlib.py | File | 23334 bytes | June 23 2025 13:48:37. | |
tempfile.py | File | 32386 bytes | June 23 2025 13:48:36. | |
textwrap.py | File | 19718 bytes | June 23 2025 13:48:36. | |
this.py | File | 1003 bytes | June 23 2025 13:48:37. | |
threading.py | File | 60200 bytes | June 23 2025 13:48:49. | |
timeit.py | File | 13477 bytes | June 23 2025 13:48:37. | |
token.py | File | 2511 bytes | June 23 2025 13:48:36. | |
tokenize.py | File | 21570 bytes | June 23 2025 13:48:49. | |
trace.py | File | 29366 bytes | June 23 2025 13:48:36. | |
traceback.py | File | 46393 bytes | June 23 2025 13:48:49. | |
tracemalloc.py | File | 18047 bytes | June 23 2025 13:48:50. | |
tty.py | File | 2035 bytes | June 23 2025 13:48:36. | |
types.py | File | 10993 bytes | June 23 2025 13:48:36. | |
typing.py | File | 118836 bytes | June 23 2025 13:48:50. | |
uu.py | File | 7341 bytes | June 23 2025 13:59:33. | |
uuid.py | File | 29656 bytes | June 23 2025 13:48:37. | |
warnings.py | File | 21909 bytes | June 23 2025 13:48:37. | |
wave.py | File | 22769 bytes | June 23 2025 13:48:37. | |
weakref.py | File | 21513 bytes | June 23 2025 13:48:49. | |
webbrowser.py | File | 23746 bytes | June 23 2025 13:48:50. | |
xdrlib.py | File | 5942 bytes | June 23 2025 13:48:52. | |
zipapp.py | File | 7543 bytes | June 23 2025 13:48:37. | |
zipimport.py | File | 27840 bytes | June 23 2025 13:48:49. |
"""zipimport provides support for importing Python modules from Zip archives. This module exports three objects: - zipimporter: a class; its constructor takes a path to a Zip archive. - ZipImportError: exception raised by zipimporter objects. It's a subclass of ImportError, so it can be caught as ImportError, too. - _zip_directory_cache: a dict, mapping archive paths to zip directory info dicts, as used in zipimporter._files. It is usually not needed to use the zipimport module explicitly; it is used by the builtin import mechanism for sys.path items that are paths to Zip archives. """ #from importlib import _bootstrap_external #from importlib import _bootstrap # for _verbose_message import _frozen_importlib_external as _bootstrap_external from _frozen_importlib_external import _unpack_uint16, _unpack_uint32 import _frozen_importlib as _bootstrap # for _verbose_message import _imp # for check_hash_based_pycs import _io # for open import marshal # for loads import sys # for modules import time # for mktime import _warnings # For warn() __all__ = ['ZipImportError', 'zipimporter'] path_sep = _bootstrap_external.path_sep alt_path_sep = _bootstrap_external.path_separators[1:] class ZipImportError(ImportError): pass # _read_directory() cache _zip_directory_cache = {} _module_type = type(sys) END_CENTRAL_DIR_SIZE = 22 STRING_END_ARCHIVE = b'PK\x05\x06' MAX_COMMENT_LEN = (1 << 16) - 1 class zipimporter(_bootstrap_external._LoaderBasics): """zipimporter(archivepath) -> zipimporter object Create a new zipimporter instance. 'archivepath' must be a path to a zipfile, or to a specific path inside a zipfile. For example, it can be '/tmp/myimport.zip', or '/tmp/myimport.zip/mydirectory', if mydirectory is a valid directory inside the archive. 'ZipImportError is raised if 'archivepath' doesn't point to a valid Zip archive. The 'archive' attribute of zipimporter objects contains the name of the zipfile targeted. """ # Split the "subdirectory" from the Zip archive path, lookup a matching # entry in sys.path_importer_cache, fetch the file directory from there # if found, or else read it from the archive. def __init__(self, path): if not isinstance(path, str): raise TypeError(f"expected str, not {type(path)!r}") if not path: raise ZipImportError('archive path is empty', path=path) if alt_path_sep: path = path.replace(alt_path_sep, path_sep) prefix = [] while True: try: st = _bootstrap_external._path_stat(path) except (OSError, ValueError): # On Windows a ValueError is raised for too long paths. # Back up one path element. dirname, basename = _bootstrap_external._path_split(path) if dirname == path: raise ZipImportError('not a Zip file', path=path) path = dirname prefix.append(basename) else: # it exists if (st.st_mode & 0o170000) != 0o100000: # stat.S_ISREG # it's a not file raise ZipImportError('not a Zip file', path=path) break try: files = _zip_directory_cache[path] except KeyError: files = _read_directory(path) _zip_directory_cache[path] = files self._files = files self.archive = path # a prefix directory following the ZIP file path. self.prefix = _bootstrap_external._path_join(*prefix[::-1]) if self.prefix: self.prefix += path_sep def find_spec(self, fullname, target=None): """Create a ModuleSpec for the specified module. Returns None if the module cannot be found. """ module_info = _get_module_info(self, fullname) if module_info is not None: return _bootstrap.spec_from_loader(fullname, self, is_package=module_info) else: # Not a module or regular package. See if this is a directory, and # therefore possibly a portion of a namespace package. # We're only interested in the last path component of fullname # earlier components are recorded in self.prefix. modpath = _get_module_path(self, fullname) if _is_dir(self, modpath): # This is possibly a portion of a namespace # package. Return the string representing its path, # without a trailing separator. path = f'{self.archive}{path_sep}{modpath}' spec = _bootstrap.ModuleSpec(name=fullname, loader=None, is_package=True) spec.submodule_search_locations.append(path) return spec else: return None def get_code(self, fullname): """get_code(fullname) -> code object. Return the code object for the specified module. Raise ZipImportError if the module couldn't be imported. """ code, ispackage, modpath = _get_module_code(self, fullname) return code def get_data(self, pathname): """get_data(pathname) -> string with file data. Return the data associated with 'pathname'. Raise OSError if the file wasn't found. """ if alt_path_sep: pathname = pathname.replace(alt_path_sep, path_sep) key = pathname if pathname.startswith(self.archive + path_sep): key = pathname[len(self.archive + path_sep):] try: toc_entry = self._files[key] except KeyError: raise OSError(0, '', key) return _get_data(self.archive, toc_entry) # Return a string matching __file__ for the named module def get_filename(self, fullname): """get_filename(fullname) -> filename string. Return the filename for the specified module or raise ZipImportError if it couldn't be imported. """ # Deciding the filename requires working out where the code # would come from if the module was actually loaded code, ispackage, modpath = _get_module_code(self, fullname) return modpath def get_source(self, fullname): """get_source(fullname) -> source string. Return the source code for the specified module. Raise ZipImportError if the module couldn't be found, return None if the archive does contain the module, but has no source for it. """ mi = _get_module_info(self, fullname) if mi is None: raise ZipImportError(f"can't find module {fullname!r}", name=fullname) path = _get_module_path(self, fullname) if mi: fullpath = _bootstrap_external._path_join(path, '__init__.py') else: fullpath = f'{path}.py' try: toc_entry = self._files[fullpath] except KeyError: # we have the module, but no source return None return _get_data(self.archive, toc_entry).decode() # Return a bool signifying whether the module is a package or not. def is_package(self, fullname): """is_package(fullname) -> bool. Return True if the module specified by fullname is a package. Raise ZipImportError if the module couldn't be found. """ mi = _get_module_info(self, fullname) if mi is None: raise ZipImportError(f"can't find module {fullname!r}", name=fullname) return mi # Load and return the module named by 'fullname'. def load_module(self, fullname): """load_module(fullname) -> module. Load the module specified by 'fullname'. 'fullname' must be the fully qualified (dotted) module name. It returns the imported module, or raises ZipImportError if it could not be imported. Deprecated since Python 3.10. Use exec_module() instead. """ msg = ("zipimport.zipimporter.load_module() is deprecated and slated for " "removal in Python 3.12; use exec_module() instead") _warnings.warn(msg, DeprecationWarning) code, ispackage, modpath = _get_module_code(self, fullname) mod = sys.modules.get(fullname) if mod is None or not isinstance(mod, _module_type): mod = _module_type(fullname) sys.modules[fullname] = mod mod.__loader__ = self try: if ispackage: # add __path__ to the module *before* the code gets # executed path = _get_module_path(self, fullname) fullpath = _bootstrap_external._path_join(self.archive, path) mod.__path__ = [fullpath] if not hasattr(mod, '__builtins__'): mod.__builtins__ = __builtins__ _bootstrap_external._fix_up_module(mod.__dict__, fullname, modpath) exec(code, mod.__dict__) except: del sys.modules[fullname] raise try: mod = sys.modules[fullname] except KeyError: raise ImportError(f'Loaded module {fullname!r} not found in sys.modules') _bootstrap._verbose_message('import {} # loaded from Zip {}', fullname, modpath) return mod def get_resource_reader(self, fullname): """Return the ResourceReader for a module in a zip file.""" from importlib.readers import ZipReader return ZipReader(self, fullname) def invalidate_caches(self): """Reload the file data of the archive path.""" try: self._files = _read_directory(self.archive) _zip_directory_cache[self.archive] = self._files except ZipImportError: _zip_directory_cache.pop(self.archive, None) self._files = {} def __repr__(self): return f'<zipimporter object "{self.archive}{path_sep}{self.prefix}">' # _zip_searchorder defines how we search for a module in the Zip # archive: we first search for a package __init__, then for # non-package .pyc, and .py entries. The .pyc entries # are swapped by initzipimport() if we run in optimized mode. Also, # '/' is replaced by path_sep there. _zip_searchorder = ( (path_sep + '__init__.pyc', True, True), (path_sep + '__init__.py', False, True), ('.pyc', True, False), ('.py', False, False), ) # Given a module name, return the potential file path in the # archive (without extension). def _get_module_path(self, fullname): return self.prefix + fullname.rpartition('.')[2] # Does this path represent a directory? def _is_dir(self, path): # See if this is a "directory". If so, it's eligible to be part # of a namespace package. We test by seeing if the name, with an # appended path separator, exists. dirpath = path + path_sep # If dirpath is present in self._files, we have a directory. return dirpath in self._files # Return some information about a module. def _get_module_info(self, fullname): path = _get_module_path(self, fullname) for suffix, isbytecode, ispackage in _zip_searchorder: fullpath = path + suffix if fullpath in self._files: return ispackage return None # implementation # _read_directory(archive) -> files dict (new reference) # # Given a path to a Zip archive, build a dict, mapping file names # (local to the archive, using SEP as a separator) to toc entries. # # A toc_entry is a tuple: # # (__file__, # value to use for __file__, available for all files, # # encoded to the filesystem encoding # compress, # compression kind; 0 for uncompressed # data_size, # size of compressed data on disk # file_size, # size of decompressed data # file_offset, # offset of file header from start of archive # time, # mod time of file (in dos format) # date, # mod data of file (in dos format) # crc, # crc checksum of the data # ) # # Directories can be recognized by the trailing path_sep in the name, # data_size and file_offset are 0. def _read_directory(archive): try: fp = _io.open_code(archive) except OSError: raise ZipImportError(f"can't open Zip file: {archive!r}", path=archive) with fp: # GH-87235: On macOS all file descriptors for /dev/fd/N share the same # file offset, reset the file offset after scanning the zipfile diretory # to not cause problems when some runs 'python3 /dev/fd/9 9<some_script' start_offset = fp.tell() try: try: fp.seek(-END_CENTRAL_DIR_SIZE, 2) header_position = fp.tell() buffer = fp.read(END_CENTRAL_DIR_SIZE) except OSError: raise ZipImportError(f"can't read Zip file: {archive!r}", path=archive) if len(buffer) != END_CENTRAL_DIR_SIZE: raise ZipImportError(f"can't read Zip file: {archive!r}", path=archive) if buffer[:4] != STRING_END_ARCHIVE: # Bad: End of Central Dir signature # Check if there's a comment. try: fp.seek(0, 2) file_size = fp.tell() except OSError: raise ZipImportError(f"can't read Zip file: {archive!r}", path=archive) max_comment_start = max(file_size - MAX_COMMENT_LEN - END_CENTRAL_DIR_SIZE, 0) try: fp.seek(max_comment_start) data = fp.read() except OSError: raise ZipImportError(f"can't read Zip file: {archive!r}", path=archive) pos = data.rfind(STRING_END_ARCHIVE) if pos < 0: raise ZipImportError(f'not a Zip file: {archive!r}', path=archive) buffer = data[pos:pos+END_CENTRAL_DIR_SIZE] if len(buffer) != END_CENTRAL_DIR_SIZE: raise ZipImportError(f"corrupt Zip file: {archive!r}", path=archive) header_position = file_size - len(data) + pos header_size = _unpack_uint32(buffer[12:16]) header_offset = _unpack_uint32(buffer[16:20]) if header_position < header_size: raise ZipImportError(f'bad central directory size: {archive!r}', path=archive) if header_position < header_offset: raise ZipImportError(f'bad central directory offset: {archive!r}', path=archive) header_position -= header_size arc_offset = header_position - header_offset if arc_offset < 0: raise ZipImportError(f'bad central directory size or offset: {archive!r}', path=archive) files = {} # Start of Central Directory count = 0 try: fp.seek(header_position) except OSError: raise ZipImportError(f"can't read Zip file: {archive!r}", path=archive) while True: buffer = fp.read(46) if len(buffer) < 4: raise EOFError('EOF read where not expected') # Start of file header if buffer[:4] != b'PK\x01\x02': break # Bad: Central Dir File Header if len(buffer) != 46: raise EOFError('EOF read where not expected') flags = _unpack_uint16(buffer[8:10]) compress = _unpack_uint16(buffer[10:12]) time = _unpack_uint16(buffer[12:14]) date = _unpack_uint16(buffer[14:16]) crc = _unpack_uint32(buffer[16:20]) data_size = _unpack_uint32(buffer[20:24]) file_size = _unpack_uint32(buffer[24:28]) name_size = _unpack_uint16(buffer[28:30]) extra_size = _unpack_uint16(buffer[30:32]) comment_size = _unpack_uint16(buffer[32:34]) file_offset = _unpack_uint32(buffer[42:46]) header_size = name_size + extra_size + comment_size if file_offset > header_offset: raise ZipImportError(f'bad local header offset: {archive!r}', path=archive) file_offset += arc_offset try: name = fp.read(name_size) except OSError: raise ZipImportError(f"can't read Zip file: {archive!r}", path=archive) if len(name) != name_size: raise ZipImportError(f"can't read Zip file: {archive!r}", path=archive) # On Windows, calling fseek to skip over the fields we don't use is # slower than reading the data because fseek flushes stdio's # internal buffers. See issue #8745. try: if len(fp.read(header_size - name_size)) != header_size - name_size: raise ZipImportError(f"can't read Zip file: {archive!r}", path=archive) except OSError: raise ZipImportError(f"can't read Zip file: {archive!r}", path=archive) if flags & 0x800: # UTF-8 file names extension name = name.decode() else: # Historical ZIP filename encoding try: name = name.decode('ascii') except UnicodeDecodeError: name = name.decode('latin1').translate(cp437_table) name = name.replace('/', path_sep) path = _bootstrap_external._path_join(archive, name) t = (path, compress, data_size, file_size, file_offset, time, date, crc) files[name] = t count += 1 finally: fp.seek(start_offset) _bootstrap._verbose_message('zipimport: found {} names in {!r}', count, archive) return files # During bootstrap, we may need to load the encodings # package from a ZIP file. But the cp437 encoding is implemented # in Python in the encodings package. # # Break out of this dependency by using the translation table for # the cp437 encoding. cp437_table = ( # ASCII part, 8 rows x 16 chars '\x00\x01\x02\x03\x04\x05\x06\x07\x08\t\n\x0b\x0c\r\x0e\x0f' '\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f' ' !"#$%&\'()*+,-./' '0123456789:;<=>?' '@ABCDEFGHIJKLMNO' 'PQRSTUVWXYZ[\\]^_' '`abcdefghijklmno' 'pqrstuvwxyz{|}~\x7f' # non-ASCII part, 16 rows x 8 chars '\xc7\xfc\xe9\xe2\xe4\xe0\xe5\xe7' '\xea\xeb\xe8\xef\xee\xec\xc4\xc5' '\xc9\xe6\xc6\xf4\xf6\xf2\xfb\xf9' '\xff\xd6\xdc\xa2\xa3\xa5\u20a7\u0192' '\xe1\xed\xf3\xfa\xf1\xd1\xaa\xba' '\xbf\u2310\xac\xbd\xbc\xa1\xab\xbb' '\u2591\u2592\u2593\u2502\u2524\u2561\u2562\u2556' '\u2555\u2563\u2551\u2557\u255d\u255c\u255b\u2510' '\u2514\u2534\u252c\u251c\u2500\u253c\u255e\u255f' '\u255a\u2554\u2569\u2566\u2560\u2550\u256c\u2567' '\u2568\u2564\u2565\u2559\u2558\u2552\u2553\u256b' '\u256a\u2518\u250c\u2588\u2584\u258c\u2590\u2580' '\u03b1\xdf\u0393\u03c0\u03a3\u03c3\xb5\u03c4' '\u03a6\u0398\u03a9\u03b4\u221e\u03c6\u03b5\u2229' '\u2261\xb1\u2265\u2264\u2320\u2321\xf7\u2248' '\xb0\u2219\xb7\u221a\u207f\xb2\u25a0\xa0' ) _importing_zlib = False # Return the zlib.decompress function object, or NULL if zlib couldn't # be imported. The function is cached when found, so subsequent calls # don't import zlib again. def _get_decompress_func(): global _importing_zlib if _importing_zlib: # Someone has a zlib.py[co] in their Zip file # let's avoid a stack overflow. _bootstrap._verbose_message('zipimport: zlib UNAVAILABLE') raise ZipImportError("can't decompress data; zlib not available") _importing_zlib = True try: from zlib import decompress except Exception: _bootstrap._verbose_message('zipimport: zlib UNAVAILABLE') raise ZipImportError("can't decompress data; zlib not available") finally: _importing_zlib = False _bootstrap._verbose_message('zipimport: zlib available') return decompress # Given a path to a Zip file and a toc_entry, return the (uncompressed) data. def _get_data(archive, toc_entry): datapath, compress, data_size, file_size, file_offset, time, date, crc = toc_entry if data_size < 0: raise ZipImportError('negative data size') with _io.open_code(archive) as fp: # Check to make sure the local file header is correct try: fp.seek(file_offset) except OSError: raise ZipImportError(f"can't read Zip file: {archive!r}", path=archive) buffer = fp.read(30) if len(buffer) != 30: raise EOFError('EOF read where not expected') if buffer[:4] != b'PK\x03\x04': # Bad: Local File Header raise ZipImportError(f'bad local file header: {archive!r}', path=archive) name_size = _unpack_uint16(buffer[26:28]) extra_size = _unpack_uint16(buffer[28:30]) header_size = 30 + name_size + extra_size file_offset += header_size # Start of file data try: fp.seek(file_offset) except OSError: raise ZipImportError(f"can't read Zip file: {archive!r}", path=archive) raw_data = fp.read(data_size) if len(raw_data) != data_size: raise OSError("zipimport: can't read data") if compress == 0: # data is not compressed return raw_data # Decompress with zlib try: decompress = _get_decompress_func() except Exception: raise ZipImportError("can't decompress data; zlib not available") return decompress(raw_data, -15) # Lenient date/time comparison function. The precision of the mtime # in the archive is lower than the mtime stored in a .pyc: we # must allow a difference of at most one second. def _eq_mtime(t1, t2): # dostime only stores even seconds, so be lenient return abs(t1 - t2) <= 1 # Given the contents of a .py[co] file, unmarshal the data # and return the code object. Raises ImportError it the magic word doesn't # match, or if the recorded .py[co] metadata does not match the source. def _unmarshal_code(self, pathname, fullpath, fullname, data): exc_details = { 'name': fullname, 'path': fullpath, } flags = _bootstrap_external._classify_pyc(data, fullname, exc_details) hash_based = flags & 0b1 != 0 if hash_based: check_source = flags & 0b10 != 0 if (_imp.check_hash_based_pycs != 'never' and (check_source or _imp.check_hash_based_pycs == 'always')): source_bytes = _get_pyc_source(self, fullpath) if source_bytes is not None: source_hash = _imp.source_hash( _bootstrap_external._RAW_MAGIC_NUMBER, source_bytes, ) _bootstrap_external._validate_hash_pyc( data, source_hash, fullname, exc_details) else: source_mtime, source_size = \ _get_mtime_and_size_of_source(self, fullpath) if source_mtime: # We don't use _bootstrap_external._validate_timestamp_pyc # to allow for a more lenient timestamp check. if (not _eq_mtime(_unpack_uint32(data[8:12]), source_mtime) or _unpack_uint32(data[12:16]) != source_size): _bootstrap._verbose_message( f'bytecode is stale for {fullname!r}') return None code = marshal.loads(data[16:]) if not isinstance(code, _code_type): raise TypeError(f'compiled module {pathname!r} is not a code object') return code _code_type = type(_unmarshal_code.__code__) # Replace any occurrences of '\r\n?' in the input string with '\n'. # This converts DOS and Mac line endings to Unix line endings. def _normalize_line_endings(source): source = source.replace(b'\r\n', b'\n') source = source.replace(b'\r', b'\n') return source # Given a string buffer containing Python source code, compile it # and return a code object. def _compile_source(pathname, source): source = _normalize_line_endings(source) return compile(source, pathname, 'exec', dont_inherit=True) # Convert the date/time values found in the Zip archive to a value # that's compatible with the time stamp stored in .pyc files. def _parse_dostime(d, t): return time.mktime(( (d >> 9) + 1980, # bits 9..15: year (d >> 5) & 0xF, # bits 5..8: month d & 0x1F, # bits 0..4: day t >> 11, # bits 11..15: hours (t >> 5) & 0x3F, # bits 8..10: minutes (t & 0x1F) * 2, # bits 0..7: seconds / 2 -1, -1, -1)) # Given a path to a .pyc file in the archive, return the # modification time of the matching .py file and its size, # or (0, 0) if no source is available. def _get_mtime_and_size_of_source(self, path): try: # strip 'c' or 'o' from *.py[co] assert path[-1:] in ('c', 'o') path = path[:-1] toc_entry = self._files[path] # fetch the time stamp of the .py file for comparison # with an embedded pyc time stamp time = toc_entry[5] date = toc_entry[6] uncompressed_size = toc_entry[3] return _parse_dostime(date, time), uncompressed_size except (KeyError, IndexError, TypeError): return 0, 0 # Given a path to a .pyc file in the archive, return the # contents of the matching .py file, or None if no source # is available. def _get_pyc_source(self, path): # strip 'c' or 'o' from *.py[co] assert path[-1:] in ('c', 'o') path = path[:-1] try: toc_entry = self._files[path] except KeyError: return None else: return _get_data(self.archive, toc_entry) # Get the code object associated with the module specified by # 'fullname'. def _get_module_code(self, fullname): path = _get_module_path(self, fullname) import_error = None for suffix, isbytecode, ispackage in _zip_searchorder: fullpath = path + suffix _bootstrap._verbose_message('trying {}{}{}', self.archive, path_sep, fullpath, verbosity=2) try: toc_entry = self._files[fullpath] except KeyError: pass else: modpath = toc_entry[0] data = _get_data(self.archive, toc_entry) code = None if isbytecode: try: code = _unmarshal_code(self, modpath, fullpath, fullname, data) except ImportError as exc: import_error = exc else: code = _compile_source(modpath, data) if code is None: # bad magic number or non-matching mtime # in byte code, try next continue modpath = toc_entry[0] return code, ispackage, modpath else: if import_error: msg = f"module load failed: {import_error}" raise ZipImportError(msg, name=fullname) from import_error else: raise ZipImportError(f"can't find module {fullname!r}", name=fullname)
SILENT KILLER Tool