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This commit is contained in:
ladeng07
2022-05-06 15:45:57 +08:00
parent 12f390949b
commit 51552904f9
2347 changed files with 120102 additions and 53549 deletions
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venv/Lib/site-packages/django/utils/archive.py
+25 -45
View File
@@ -55,7 +55,6 @@ class Archive:
"""
The external API class that encapsulates an archive implementation.
"""
def __init__(self, file):
self._archive = self._archive_cls(file)(file)
@@ -69,8 +68,7 @@ class Archive:
filename = file.name
except AttributeError:
raise UnrecognizedArchiveFormat(
"File object not a recognized archive format."
)
"File object not a recognized archive format.")
base, tail_ext = os.path.splitext(filename.lower())
cls = extension_map.get(tail_ext)
if not cls:
@@ -78,8 +76,7 @@ class Archive:
cls = extension_map.get(ext)
if not cls:
raise UnrecognizedArchiveFormat(
"Path not a recognized archive format: %s" % filename
)
"Path not a recognized archive format: %s" % filename)
return cls
def __enter__(self):
@@ -102,7 +99,6 @@ class BaseArchive:
"""
Base Archive class. Implementations should inherit this class.
"""
@staticmethod
def _copy_permissions(mode, filename):
"""
@@ -115,15 +111,13 @@ class BaseArchive:
def split_leading_dir(self, path):
path = str(path)
path = path.lstrip("/").lstrip("\\")
if "/" in path and (
("\\" in path and path.find("/") < path.find("\\")) or "\\" not in path
):
return path.split("/", 1)
elif "\\" in path:
return path.split("\\", 1)
path = path.lstrip('/').lstrip('\\')
if '/' in path and (('\\' in path and path.find('/') < path.find('\\')) or '\\' not in path):
return path.split('/', 1)
elif '\\' in path:
return path.split('\\', 1)
else:
return path, ""
return path, ''
def has_leading_dir(self, paths):
"""
@@ -149,17 +143,14 @@ class BaseArchive:
return filename
def extract(self):
raise NotImplementedError(
"subclasses of BaseArchive must provide an extract() method"
)
raise NotImplementedError('subclasses of BaseArchive must provide an extract() method')
def list(self):
raise NotImplementedError(
"subclasses of BaseArchive must provide a list() method"
)
raise NotImplementedError('subclasses of BaseArchive must provide a list() method')
class TarArchive(BaseArchive):
def __init__(self, file):
self._archive = tarfile.open(file)
@@ -183,15 +174,13 @@ class TarArchive(BaseArchive):
except (KeyError, AttributeError) as exc:
# Some corrupt tar files seem to produce this
# (specifically bad symlinks)
print(
"In the tar file %s the member %s is invalid: %s"
% (name, member.name, exc)
)
print("In the tar file %s the member %s is invalid: %s" %
(name, member.name, exc))
else:
dirname = os.path.dirname(filename)
if dirname:
os.makedirs(dirname, exist_ok=True)
with open(filename, "wb") as outfile:
with open(filename, 'wb') as outfile:
shutil.copyfileobj(extracted, outfile)
self._copy_permissions(member.mode, filename)
finally:
@@ -203,6 +192,7 @@ class TarArchive(BaseArchive):
class ZipArchive(BaseArchive):
def __init__(self, file):
self._archive = zipfile.ZipFile(file)
@@ -220,14 +210,14 @@ class ZipArchive(BaseArchive):
if not name:
continue
filename = self.target_filename(to_path, name)
if name.endswith(("/", "\\")):
if name.endswith(('/', '\\')):
# A directory
os.makedirs(filename, exist_ok=True)
else:
dirname = os.path.dirname(filename)
if dirname:
os.makedirs(dirname, exist_ok=True)
with open(filename, "wb") as outfile:
with open(filename, 'wb') as outfile:
outfile.write(data)
# Convert ZipInfo.external_attr to mode
mode = info.external_attr >> 16
@@ -237,21 +227,11 @@ class ZipArchive(BaseArchive):
self._archive.close()
extension_map = dict.fromkeys(
(
".tar",
".tar.bz2",
".tbz2",
".tbz",
".tz2",
".tar.gz",
".tgz",
".taz",
".tar.lzma",
".tlz",
".tar.xz",
".txz",
),
TarArchive,
)
extension_map[".zip"] = ZipArchive
extension_map = dict.fromkeys((
'.tar',
'.tar.bz2', '.tbz2', '.tbz', '.tz2',
'.tar.gz', '.tgz', '.taz',
'.tar.lzma', '.tlz',
'.tar.xz', '.txz',
), TarArchive)
extension_map['.zip'] = ZipArchive