zulip/zerver/storage.py

84 lines
2.8 KiB
Python

from __future__ import absolute_import
import os
import shutil
from typing import List, Any, Tuple
from django.conf import settings
from django.contrib.staticfiles.storage import CachedFilesMixin, StaticFilesStorage
from pipeline.storage import PipelineMixin
class AddHeaderMixin(object):
def post_process(self, paths, dry_run=False, **kwargs):
# type: (Dict[str, Tuple[ZulipStorage, str]], bool, **Any) -> List[Tuple[str, str, bool]]
if dry_run:
return []
with open(settings.STATIC_HEADER_FILE, 'rb') as header_file:
header = header_file.read().decode(settings.FILE_CHARSET)
# A dictionary of path to tuples of (old_path, new_path,
# processed). The return value of this method is the values
# of this dictionary
ret_dict = {}
for name in paths:
storage, path = paths[name]
if not path.startswith('min/') or not path.endswith('.css'):
ret_dict[path] = (path, path, False)
continue
# Prepend the header
with storage.open(path, 'rb') as orig_file:
orig_contents = orig_file.read().decode(settings.FILE_CHARSET)
storage.delete(path)
with storage.open(path, 'w') as new_file:
new_file.write(header + orig_contents)
ret_dict[path] = (path, path, True)
super_class = super(AddHeaderMixin, self) # type: ignore # https://github.com/JukkaL/mypy/issues/857
if hasattr(super_class, 'post_process'):
super_ret = super_class.post_process(paths, dry_run, **kwargs)
else:
super_ret = []
# Merge super class's return value with ours
for val in super_ret:
old_path, new_path, processed = val
if processed:
ret_dict[old_path] = val
return list(ret_dict.values())
class RemoveUnminifiedFilesMixin(object):
def post_process(self, paths, dry_run=False, **kwargs):
# type: (Dict[str, Tuple[ZulipStorage, str]], bool, **Any) -> List[Tuple[str, str, bool]]
if dry_run:
return []
root = settings.STATIC_ROOT
to_remove = ['templates', 'styles', 'js']
for tree in to_remove:
shutil.rmtree(os.path.join(root, tree))
is_valid = lambda p: all([not p.startswith(k) for k in to_remove])
paths = {k: v for k, v in paths.items() if is_valid(k)}
super_class = super(RemoveUnminifiedFilesMixin, self) # type: ignore # https://github.com/JukkaL/mypy/issues/857
if hasattr(super_class, 'post_process'):
return super_class.post_process(paths, dry_run, **kwargs)
return []
class ZulipStorage(PipelineMixin,
AddHeaderMixin, RemoveUnminifiedFilesMixin,
CachedFilesMixin, StaticFilesStorage):
pass