zulip/zephyr/storage.py

60 lines
1.9 KiB
Python

from django.conf import settings
from django.contrib.staticfiles.storage import CachedFilesMixin, StaticFilesStorage
from pipeline.storage import PipelineMixin
import os.path
class AddHeaderMixin(object):
def post_process(self, paths, dry_run=False, **kwargs):
if dry_run:
return
with open(settings.STATIC_HEADER_FILE) 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]
# Find the top-level directory for the file
head, _ = os.path.split(path)
top_dir = head
while head != '':
top_dir = head
head, _ = os.path.split(head)
if top_dir != 'min':
ret_dict[path] = (path, path, False)
continue
# Prepend the header
with storage.open(path) 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)
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 ret_dict.itervalues()
class HumbugStorage(PipelineMixin, AddHeaderMixin, CachedFilesMixin, StaticFilesStorage):
pass