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# -*- coding: utf-8 -*-
# Copyright 2014-2016 OpenMarket Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import os
import re
NEW_FORMAT_ID_RE = re.compile(r"^\d\d\d\d-\d\d-\d\d")
class MediaFilePaths(object):
def __init__(self, base_path):
self.base_path = base_path
def default_thumbnail(self, default_top_level, default_sub_type, width,
height, content_type, method):
top_level_type, sub_type = content_type.split("/")
file_name = "%i-%i-%s-%s-%s" % (
width, height, top_level_type, sub_type, method
)
return os.path.join(
self.base_path, "default_thumbnails", default_top_level,
default_sub_type, file_name
)
def local_media_filepath(self, media_id):
return os.path.join(
self.base_path, "local_content",
media_id[0:2], media_id[2:4], media_id[4:]
)
def local_media_thumbnail(self, media_id, width, height, content_type,
method):
top_level_type, sub_type = content_type.split("/")
file_name = "%i-%i-%s-%s-%s" % (
width, height, top_level_type, sub_type, method
)
return os.path.join(
self.base_path, "local_thumbnails",
media_id[0:2], media_id[2:4], media_id[4:],
file_name
)
def remote_media_filepath(self, server_name, file_id):
return os.path.join(
self.base_path, "remote_content", server_name,
file_id[0:2], file_id[2:4], file_id[4:]
)
def remote_media_thumbnail(self, server_name, file_id, width, height,
content_type, method):
top_level_type, sub_type = content_type.split("/")
file_name = "%i-%i-%s-%s" % (width, height, top_level_type, sub_type)
return os.path.join(
self.base_path, "remote_thumbnail", server_name,
file_id[0:2], file_id[2:4], file_id[4:],
file_name
)
def remote_media_thumbnail_dir(self, server_name, file_id):
return os.path.join(
self.base_path, "remote_thumbnail", server_name,
file_id[0:2], file_id[2:4], file_id[4:],
)
def url_cache_filepath(self, media_id):
if NEW_FORMAT_ID_RE.match(media_id):
# Media id is of the form <DATE><RANDOM_STRING>
# E.g.: 2017-09-28-fsdRDt24DS234dsf
return os.path.join(
self.base_path, "url_cache",
media_id[:10], media_id[11:]
)
else:
return os.path.join(
self.base_path, "url_cache",
media_id[0:2], media_id[2:4], media_id[4:],
)
def url_cache_filepath_dirs_to_delete(self, media_id):
"The dirs to try and remove if we delete the media_id file"
if NEW_FORMAT_ID_RE.match(media_id):
return [
os.path.join(
self.base_path, "url_cache",
media_id[:10],
),
]
else:
return [
os.path.join(
self.base_path, "url_cache",
media_id[0:2], media_id[2:4],
),
os.path.join(
self.base_path, "url_cache",
media_id[0:2],
),
]
def url_cache_thumbnail(self, media_id, width, height, content_type,
method):
# Media id is of the form <DATE><RANDOM_STRING>
# E.g.: 2017-09-28-fsdRDt24DS234dsf
top_level_type, sub_type = content_type.split("/")
file_name = "%i-%i-%s-%s-%s" % (
width, height, top_level_type, sub_type, method
)
if NEW_FORMAT_ID_RE.match(media_id):
return os.path.join(
self.base_path, "url_cache_thumbnails",
media_id[:10], media_id[11:],
file_name
)
else:
return os.path.join(
self.base_path, "url_cache_thumbnails",
media_id[0:2], media_id[2:4], media_id[4:],
file_name
)
def url_cache_thumbnail_directory(self, media_id):
# Media id is of the form <DATE><RANDOM_STRING>
# E.g.: 2017-09-28-fsdRDt24DS234dsf
if NEW_FORMAT_ID_RE.match(media_id):
return os.path.join(
self.base_path, "url_cache_thumbnails",
media_id[:10], media_id[11:],
)
else:
return os.path.join(
self.base_path, "url_cache_thumbnails",
media_id[0:2], media_id[2:4], media_id[4:],
)
def url_cache_thumbnail_dirs_to_delete(self, media_id):
"The dirs to try and remove if we delete the media_id thumbnails"
# Media id is of the form <DATE><RANDOM_STRING>
# E.g.: 2017-09-28-fsdRDt24DS234dsf
if NEW_FORMAT_ID_RE.match(media_id):
return [
os.path.join(
self.base_path, "url_cache_thumbnails",
media_id[:10], media_id[11:],
),
os.path.join(
self.base_path, "url_cache_thumbnails",
media_id[:10],
),
]
else:
return [
os.path.join(
self.base_path, "url_cache_thumbnails",
media_id[0:2], media_id[2:4], media_id[4:],
),
os.path.join(
self.base_path, "url_cache_thumbnails",
media_id[0:2], media_id[2:4],
),
os.path.join(
self.base_path, "url_cache_thumbnails",
media_id[0:2],
),
]
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