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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/contrib/staticfiles/finders.py
+44 -76
View File
@@ -4,9 +4,11 @@ import os
from django.apps import apps
from django.conf import settings
from django.contrib.staticfiles import utils
from django.core.checks import Error, Warning
from django.core.checks import Error
from django.core.exceptions import ImproperlyConfigured
from django.core.files.storage import FileSystemStorage, Storage, default_storage
from django.core.files.storage import (
FileSystemStorage, Storage, default_storage,
)
from django.utils._os import safe_join
from django.utils.functional import LazyObject, empty
from django.utils.module_loading import import_string
@@ -19,11 +21,10 @@ class BaseFinder:
"""
A base file finder to be used for custom staticfiles finder classes.
"""
def check(self, **kwargs):
raise NotImplementedError(
"subclasses may provide a check() method to verify the finder is "
"configured correctly."
'subclasses may provide a check() method to verify the finder is '
'configured correctly.'
)
def find(self, path, all=False):
@@ -33,18 +34,14 @@ class BaseFinder:
If the ``all`` parameter is False (default) return only the first found
file path; if True, return a list of all found files paths.
"""
raise NotImplementedError(
"subclasses of BaseFinder must provide a find() method"
)
raise NotImplementedError('subclasses of BaseFinder must provide a find() method')
def list(self, ignore_patterns):
"""
Given an optional list of paths to ignore, return a two item iterable
consisting of the relative path and storage instance.
"""
raise NotImplementedError(
"subclasses of BaseFinder must provide a list() method"
)
raise NotImplementedError('subclasses of BaseFinder must provide a list() method')
class FileSystemFinder(BaseFinder):
@@ -52,7 +49,6 @@ class FileSystemFinder(BaseFinder):
A static files finder that uses the ``STATICFILES_DIRS`` setting
to locate files.
"""
def __init__(self, app_names=None, *args, **kwargs):
# List of locations with static files
self.locations = []
@@ -62,7 +58,7 @@ class FileSystemFinder(BaseFinder):
if isinstance(root, (list, tuple)):
prefix, root = root
else:
prefix = ""
prefix = ''
if (prefix, root) not in self.locations:
self.locations.append((prefix, root))
for prefix, root in self.locations:
@@ -74,43 +70,26 @@ class FileSystemFinder(BaseFinder):
def check(self, **kwargs):
errors = []
if not isinstance(settings.STATICFILES_DIRS, (list, tuple)):
errors.append(
Error(
"The STATICFILES_DIRS setting is not a tuple or list.",
hint="Perhaps you forgot a trailing comma?",
id="staticfiles.E001",
)
)
return errors
errors.append(Error(
'The STATICFILES_DIRS setting is not a tuple or list.',
hint='Perhaps you forgot a trailing comma?',
id='staticfiles.E001',
))
for root in settings.STATICFILES_DIRS:
if isinstance(root, (list, tuple)):
prefix, root = root
if prefix.endswith("/"):
errors.append(
Error(
"The prefix %r in the STATICFILES_DIRS setting must "
"not end with a slash." % prefix,
id="staticfiles.E003",
)
)
if settings.STATIC_ROOT and os.path.abspath(
settings.STATIC_ROOT
) == os.path.abspath(root):
errors.append(
Error(
"The STATICFILES_DIRS setting should not contain the "
"STATIC_ROOT setting.",
id="staticfiles.E002",
)
)
if not os.path.isdir(root):
errors.append(
Warning(
f"The directory '{root}' in the STATICFILES_DIRS setting "
f"does not exist.",
id="staticfiles.W004",
)
)
if prefix.endswith('/'):
errors.append(Error(
'The prefix %r in the STATICFILES_DIRS setting must '
'not end with a slash.' % prefix,
id='staticfiles.E003',
))
if settings.STATIC_ROOT and os.path.abspath(settings.STATIC_ROOT) == os.path.abspath(root):
errors.append(Error(
'The STATICFILES_DIRS setting should not contain the '
'STATIC_ROOT setting.',
id='staticfiles.E002',
))
return errors
def find(self, path, all=False):
@@ -134,10 +113,10 @@ class FileSystemFinder(BaseFinder):
absolute path (or ``None`` if no match).
"""
if prefix:
prefix = "%s%s" % (prefix, os.sep)
prefix = '%s%s' % (prefix, os.sep)
if not path.startswith(prefix):
return None
path = path[len(prefix) :]
path = path[len(prefix):]
path = safe_join(root, path)
if os.path.exists(path):
return path
@@ -147,11 +126,9 @@ class FileSystemFinder(BaseFinder):
List all files in all locations.
"""
for prefix, root in self.locations:
# Skip nonexistent directories.
if os.path.isdir(root):
storage = self.storages[root]
for path in utils.get_files(storage, ignore_patterns):
yield path, storage
storage = self.storages[root]
for path in utils.get_files(storage, ignore_patterns):
yield path, storage
class AppDirectoriesFinder(BaseFinder):
@@ -159,9 +136,8 @@ class AppDirectoriesFinder(BaseFinder):
A static files finder that looks in the directory of each app as
specified in the source_dir attribute.
"""
storage_class = FileSystemStorage
source_dir = "static"
source_dir = 'static'
def __init__(self, app_names=None, *args, **kwargs):
# The list of apps that are handled
@@ -174,8 +150,7 @@ class AppDirectoriesFinder(BaseFinder):
app_configs = [ac for ac in app_configs if ac.name in app_names]
for app_config in app_configs:
app_storage = self.storage_class(
os.path.join(app_config.path, self.source_dir)
)
os.path.join(app_config.path, self.source_dir))
if os.path.isdir(app_storage.location):
self.storages[app_config.name] = app_storage
if app_config.name not in self.apps:
@@ -187,7 +162,7 @@ class AppDirectoriesFinder(BaseFinder):
List all files in all app storages.
"""
for storage in self.storages.values():
if storage.exists(""): # check if storage location exists
if storage.exists(''): # check if storage location exists
for path in utils.get_files(storage, ignore_patterns):
yield path, storage
@@ -224,18 +199,15 @@ class BaseStorageFinder(BaseFinder):
A base static files finder to be used to extended
with an own storage class.
"""
storage = None
def __init__(self, storage=None, *args, **kwargs):
if storage is not None:
self.storage = storage
if self.storage is None:
raise ImproperlyConfigured(
"The staticfiles storage finder %r "
"doesn't have a storage class "
"assigned." % self.__class__
)
raise ImproperlyConfigured("The staticfiles storage finder %r "
"doesn't have a storage class "
"assigned." % self.__class__)
# Make sure we have a storage instance here.
if not isinstance(self.storage, (Storage, LazyObject)):
self.storage = self.storage()
@@ -246,7 +218,7 @@ class BaseStorageFinder(BaseFinder):
Look for files in the default file storage, if it's local.
"""
try:
self.storage.path("")
self.storage.path('')
except NotImplementedError:
pass
else:
@@ -271,18 +243,15 @@ class DefaultStorageFinder(BaseStorageFinder):
"""
A static files finder that uses the default storage backend.
"""
storage = default_storage
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
base_location = getattr(self.storage, "base_location", empty)
base_location = getattr(self.storage, 'base_location', empty)
if not base_location:
raise ImproperlyConfigured(
"The storage backend of the "
"staticfiles finder %r doesn't have "
"a valid location." % self.__class__
)
raise ImproperlyConfigured("The storage backend of the "
"staticfiles finder %r doesn't have "
"a valid location." % self.__class__)
def find(path, all=False):
@@ -320,7 +289,6 @@ def get_finder(import_path):
"""
Finder = import_string(import_path)
if not issubclass(Finder, BaseFinder):
raise ImproperlyConfigured(
'Finder "%s" is not a subclass of "%s"' % (Finder, BaseFinder)
)
raise ImproperlyConfigured('Finder "%s" is not a subclass of "%s"' %
(Finder, BaseFinder))
return Finder()