我目前正在 PythonAnywhere 中开发一个 Django 网站项目，用户可以在其中使用管理员中的 Django Filer 上传文件。我已经使用公共 Django 文件管理器设置成功实现了它。但是，我似乎无法上传大于 256 Mb 的文件。使用提供给 PythonAnywhere 用户的 SFTP 服务器是另一种存储文件的方式吗？或者还有其他方法可以克服这个尺寸限制吗？我不确定如何将服务器写入我的代码。下面提供了文件管理器的 SFTP 地址格式和设置文件。
SFTP 地址和主机名格式
username@ssh.pythonanywhere.com
文件管理器.settings.py
# -*- coding: utf-8 -*-
from __future__ import absolute_import
import logging
import os
from django.conf import settings
from django.core.exceptions import ImproperlyConfigured
from django.core.files.storage import get_storage_class
from .utils.loader import load_object
from .utils.recursive_dictionary import RecursiveDictionaryWithExcludes
logger = logging.getLogger(__name__)
# FILER_IMAGE_MODEL setting is used to swap Image model.
# If such global setting does not exist, it will be created at this point (with default model name).
# This is needed especially when using this setting in migrations.
if not hasattr(settings, 'FILER_IMAGE_MODEL'):
setattr(settings, 'FILER_IMAGE_MODEL', 'filer.Image')
FILER_IMAGE_MODEL = settings.FILER_IMAGE_MODEL
FILER_DEBUG = getattr(settings, 'FILER_DEBUG', False) # When True makes
FILER_SUBJECT_LOCATION_IMAGE_DEBUG = getattr(settings, 'FILER_SUBJECT_LOCATION_IMAGE_DEBUG', False)
FILER_WHITESPACE_COLOR = getattr(settings, 'FILER_WHITESPACE_COLOR', '#FFFFFF')
FILER_0_8_COMPATIBILITY_MODE = getattr(settings, 'FILER_0_8_COMPATIBILITY_MODE', False)
FILER_ENABLE_LOGGING = getattr(settings, 'FILER_ENABLE_LOGGING', False)
if FILER_ENABLE_LOGGING:
FILER_ENABLE_LOGGING = (
FILER_ENABLE_LOGGING and (getattr(settings, 'LOGGING')
and ('' in settings.LOGGING['loggers']
or 'filer' in settings.LOGGING['loggers'])))
FILER_ENABLE_PERMISSIONS = getattr(settings, 'FILER_ENABLE_PERMISSIONS', False)
FILER_ALLOW_REGULAR_USERS_TO_ADD_ROOT_FOLDERS = getattr(settings, 'FILER_ALLOW_REGULAR_USERS_TO_ADD_ROOT_FOLDERS', False)
FILER_IS_PUBLIC_DEFAULT = getattr(settings, 'FILER_IS_PUBLIC_DEFAULT', True)
FILER_PAGINATE_BY = getattr(settings, 'FILER_PAGINATE_BY', 20)
_ICON_SIZES = getattr(settings, 'FILER_ADMIN_ICON_SIZES', ('16', '32', '48', '64'))
if not _ICON_SIZES:
raise ImproperlyConfigured('Please, configure FILER_ADMIN_ICON_SIZES')
# Reliably sort by integer value, but keep icon size as string.
# (There is some code in the wild that depends on this being strings.)
FILER_ADMIN_ICON_SIZES = [str(i) for i in sorted([int(s) for s in _ICON_SIZES])]
# Filer admin templates have specific icon sizes hardcoded: 32 and 48.
_ESSENTIAL_ICON_SIZES = ('32', '48')
if not all(x in FILER_ADMIN_ICON_SIZES for x in _ESSENTIAL_ICON_SIZES):
logger.warn(
"FILER_ADMIN_ICON_SIZES has not all of the essential icon sizes "
"listed: {}. Some icons might be missing in admin templates.".format(
_ESSENTIAL_ICON_SIZES))
# This is an ordered iterable that describes a list of
# classes that I should check for when adding files
FILER_FILE_MODELS = getattr(
settings, 'FILER_FILE_MODELS',
(FILER_IMAGE_MODEL, 'filer.File'))
DEFAULT_FILE_STORAGE = getattr(settings, 'DEFAULT_FILE_STORAGE', 'django.core.files.storage.FileSystemStorage')
MINIMAL_FILER_STORAGES = {
'public': {
'main': {
'ENGINE': None,
'OPTIONS': {},
},
'thumbnails': {
'ENGINE': None,
'OPTIONS': {},
}
},
'private': {
'main': {
'ENGINE': None,
'OPTIONS': {},
},
'thumbnails': {
'ENGINE': None,
'OPTIONS': {},
},
},
}
DEFAULT_FILER_STORAGES = {
'public': {
'main': {
'ENGINE': DEFAULT_FILE_STORAGE,
'OPTIONS': {},
'UPLOAD_TO': 'filer.utils.generate_filename.randomized',
'UPLOAD_TO_PREFIX': 'filer_public',
},
'thumbnails': {
'ENGINE': DEFAULT_FILE_STORAGE,
'OPTIONS': {},
'THUMBNAIL_OPTIONS': {
'base_dir': 'filer_public_thumbnails',
},
},
},
'private': {
'main': {
'ENGINE': 'filer.storage.PrivateFileSystemStorage',
'OPTIONS': {
'location': os.path.abspath(os.path.join(settings.MEDIA_ROOT, '../smedia/filer_private')),
'base_url': '/smedia/filer_private/',
},
'UPLOAD_TO': 'filer.utils.generate_filename.randomized',
'UPLOAD_TO_PREFIX': '',
},
'thumbnails': {
'ENGINE': 'filer.storage.PrivateFileSystemStorage',
'OPTIONS': {
'location': os.path.abspath(os.path.join(settings.MEDIA_ROOT, '../smedia/filer_private_thumbnails')),
'base_url': '/smedia/filer_private_thumbnails/',
},
'THUMBNAIL_OPTIONS': {},
},
},
}
MINIMAL_FILER_SERVERS = {
'private': {
'main': {
'ENGINE': None,
'OPTIONS': {},
},
'thumbnails': {
'ENGINE': None,
'OPTIONS': {},
},
},
}
DEFAULT_FILER_SERVERS = {
'private': {
'main': {
'ENGINE': 'filer.server.backends.default.DefaultServer',
'OPTIONS': {},
},
'thumbnails': {
'ENGINE': 'filer.server.backends.default.DefaultServer',
'OPTIONS': {},
},
},
}
FILER_STORAGES = RecursiveDictionaryWithExcludes(MINIMAL_FILER_STORAGES, rec_excluded_keys=('OPTIONS', 'THUMBNAIL_OPTIONS'))
if FILER_0_8_COMPATIBILITY_MODE:
user_filer_storages = {
'public': {
'main': {
'ENGINE': DEFAULT_FILE_STORAGE,
'UPLOAD_TO': 'filer.utils.generate_filename.randomized',
'UPLOAD_TO_PREFIX': getattr(settings, 'FILER_PUBLICMEDIA_PREFIX', 'filer_public'),
},
'thumbnails': {
'ENGINE': DEFAULT_FILE_STORAGE,
'OPTIONS': {},
'THUMBNAIL_OPTIONS': {
'base_dir': 'filer_public_thumbnails',
},
},
},
'private': {
'main': {
'ENGINE': DEFAULT_FILE_STORAGE,
'UPLOAD_TO': 'filer.utils.generate_filename.randomized',
'UPLOAD_TO_PREFIX': getattr(settings, 'FILER_PRIVATEMEDIA_PREFIX', 'filer_private'),
},
'thumbnails': {
'ENGINE': DEFAULT_FILE_STORAGE,
'OPTIONS': {},
'THUMBNAIL_OPTIONS': {
'base_dir': 'filer_private_thumbnails',
},
},
},
}
else:
user_filer_storages = getattr(settings, 'FILER_STORAGES', {})
FILER_STORAGES.rec_update(user_filer_storages)
def update_storage_settings(user_settings, defaults, s, t):
if not user_settings[s][t]['ENGINE']:
user_settings[s][t]['ENGINE'] = defaults[s][t]['ENGINE']
user_settings[s][t]['OPTIONS'] = defaults[s][t]['OPTIONS']
if t == 'main':
if 'UPLOAD_TO' not in user_settings[s][t]:
user_settings[s][t]['UPLOAD_TO'] = defaults[s][t]['UPLOAD_TO']
if 'UPLOAD_TO_PREFIX' not in user_settings[s][t]:
user_settings[s][t]['UPLOAD_TO_PREFIX'] = defaults[s][t]['UPLOAD_TO_PREFIX']
if t == 'thumbnails':
if 'THUMBNAIL_OPTIONS' not in user_settings[s][t]:
user_settings[s][t]['THUMBNAIL_OPTIONS'] = defaults[s][t]['THUMBNAIL_OPTIONS']
return user_settings
update_storage_settings(FILER_STORAGES, DEFAULT_FILER_STORAGES, 'public', 'main')
update_storage_settings(FILER_STORAGES, DEFAULT_FILER_STORAGES, 'public', 'thumbnails')
update_storage_settings(FILER_STORAGES, DEFAULT_FILER_STORAGES, 'private', 'main')
update_storage_settings(FILER_STORAGES, DEFAULT_FILER_STORAGES, 'private', 'thumbnails')
FILER_SERVERS = RecursiveDictionaryWithExcludes(MINIMAL_FILER_SERVERS, rec_excluded_keys=('OPTIONS',))
FILER_SERVERS.rec_update(getattr(settings, 'FILER_SERVERS', {}))
def update_server_settings(settings, defaults, s, t):
if not settings[s][t]['ENGINE']:
settings[s][t]['ENGINE'] = defaults[s][t]['ENGINE']
settings[s][t]['OPTIONS'] = defaults[s][t]['OPTIONS']
return settings
update_server_settings(FILER_SERVERS, DEFAULT_FILER_SERVERS, 'private', 'main')
update_server_settings(FILER_SERVERS, DEFAULT_FILER_SERVERS, 'private', 'thumbnails')
# Public media (media accessible without any permission checks)
FILER_PUBLICMEDIA_STORAGE = get_storage_class(FILER_STORAGES['public']['main']['ENGINE'])(**FILER_STORAGES['public']['main']['OPTIONS'])
FILER_PUBLICMEDIA_UPLOAD_TO = load_object(FILER_STORAGES['public']['main']['UPLOAD_TO'])
if 'UPLOAD_TO_PREFIX' in FILER_STORAGES['public']['main']:
FILER_PUBLICMEDIA_UPLOAD_TO = load_object('filer.utils.generate_filename.prefixed_factory')(FILER_PUBLICMEDIA_UPLOAD_TO, FILER_STORAGES['public']['main']['UPLOAD_TO_PREFIX'])
FILER_PUBLICMEDIA_THUMBNAIL_STORAGE = get_storage_class(FILER_STORAGES['public']['thumbnails']['ENGINE'])(**FILER_STORAGES['public']['thumbnails']['OPTIONS'])
FILER_PUBLICMEDIA_THUMBNAIL_OPTIONS = FILER_STORAGES['public']['thumbnails']['THUMBNAIL_OPTIONS']
# Private media (media accessible through permissions checks)
FILER_PRIVATEMEDIA_STORAGE = get_storage_class(FILER_STORAGES['private']['main']['ENGINE'])(**FILER_STORAGES['private']['main']['OPTIONS'])
FILER_PRIVATEMEDIA_UPLOAD_TO = load_object(FILER_STORAGES['private']['main']['UPLOAD_TO'])
if 'UPLOAD_TO_PREFIX' in FILER_STORAGES['private']['main']:
FILER_PRIVATEMEDIA_UPLOAD_TO = load_object('filer.utils.generate_filename.prefixed_factory')(FILER_PRIVATEMEDIA_UPLOAD_TO, FILER_STORAGES['private']['main']['UPLOAD_TO_PREFIX'])
FILER_PRIVATEMEDIA_THUMBNAIL_STORAGE = get_storage_class(FILER_STORAGES['private']['thumbnails']['ENGINE'])(**FILER_STORAGES['private']['thumbnails']['OPTIONS'])
FILER_PRIVATEMEDIA_THUMBNAIL_OPTIONS = FILER_STORAGES['private']['thumbnails']['THUMBNAIL_OPTIONS']
FILER_PRIVATEMEDIA_SERVER = load_object(FILER_SERVERS['private']['main']['ENGINE'])(**FILER_SERVERS['private']['main']['OPTIONS'])
FILER_PRIVATEMEDIA_THUMBNAIL_SERVER = load_object(FILER_SERVERS['private']['thumbnails']['ENGINE'])(**FILER_SERVERS['private']['thumbnails']['OPTIONS'])
# By default limit number of simultaneous uploads if we are using SQLite
if settings.DATABASES['default']['ENGINE'].endswith('sqlite3'):
_uploader_connections = 1
else:
_uploader_connections = 3
FILER_UPLOADER_CONNECTIONS = getattr(
settings, 'FILER_UPLOADER_CONNECTIONS', _uploader_connections)
FILER_DUMP_PAYLOAD = getattr(settings, 'FILER_DUMP_PAYLOAD', False) # Whether the filer shall dump the files payload
FILER_CANONICAL_URL = getattr(settings, 'FILER_CANONICAL_URL', 'canonical/')
THUMBNAIL_HIGH_RESOLUTION = True
THUMBNAIL_PROCESSORS = (
'easy_thumbnails.processors.colorspace',
'easy_thumbnails.processors.autocrop',
#'easy_thumbnails.processors.scale_and_crop',
'filer.thumbnail_processors.scale_and_crop_with_subject_location',
'easy_thumbnails.processors.filters',
)