X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/c3fc1fa1087b5c12e287f6a7194d7a98fc27817e..739f55be14e161e485b2107b628689c4f01ded6b:/src/catalogue/utils.py?ds=inline diff --git a/src/catalogue/utils.py b/src/catalogue/utils.py index e94c67d0b..ee3631c76 100644 --- a/src/catalogue/utils.py +++ b/src/catalogue/utils.py @@ -1,25 +1,26 @@ -# -*- coding: utf-8 -*- # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later. # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information. # -from collections import defaultdict import hashlib import os.path import random import re import time from base64 import urlsafe_b64encode - -from django.http import HttpResponse -from django.core.files.uploadedfile import UploadedFile -from django.core.files.storage import DefaultStorage -from django.utils.encoding import force_unicode -from django.conf import settings -from os import mkdir, path, unlink +from collections import defaultdict from errno import EEXIST, ENOENT from fcntl import flock, LOCK_EX +from os import mkdir, path, unlink +from urllib.parse import urljoin from zipfile import ZipFile +from django.apps import apps +from django.conf import settings +from django.core.files.storage import DefaultStorage +from django.core.files.uploadedfile import UploadedFile +from django.http import HttpResponse +from django.utils.encoding import force_str + from reporting.utils import read_chunks # Use the system (hardware-based) random number generator if it exists. @@ -27,14 +28,19 @@ if hasattr(random, 'SystemRandom'): randrange = random.SystemRandom().randrange else: randrange = random.randrange -MAX_SESSION_KEY = 18446744073709551616L # 2 << 63 +MAX_SESSION_KEY = 18446744073709551616 # 2 << 63 def get_random_hash(seed): - sha_digest = hashlib.sha1('%s%s%s%s' % ( - randrange(0, MAX_SESSION_KEY), time.time(), unicode(seed).encode('utf-8', 'replace'), settings.SECRET_KEY) - ).digest() - return urlsafe_b64encode(sha_digest).replace('=', '').replace('_', '-').lower() + sha_digest = hashlib.sha1(( + '%s%s%s%s' % ( + randrange(0, MAX_SESSION_KEY), + time.time(), + str(seed).encode('utf-8', 'replace'), + settings.SECRET_KEY + ) + ).encode('utf-8')).digest() + return urlsafe_b64encode(sha_digest).decode('latin1').replace('=', '').replace('_', '-').lower() def split_tags(*tag_lists): @@ -85,13 +91,13 @@ class LockFile(object): try: unlink(self.lockname) except OSError as oe: - if oe.errno != EEXIST: + if oe.errno != ENOENT: raise oe self.lock.close() # @task -def create_zip(paths, zip_slug): +def create_zip(paths, zip_slug, file_contents=None): """ Creates a zip in MEDIA_ROOT/zip directory containing files from path. Resulting archive filename is ${zip_slug}.zip @@ -115,6 +121,9 @@ def create_zip(paths, zip_slug): if arcname is None: arcname = path.basename(p) zipf.write(p, arcname) + if file_contents: + for arcname, content in file_contents.items(): + zipf.writestr(arcname, content) finally: zipf.close() @@ -181,56 +190,6 @@ class MultiQuerySet(object): continue -class SortedMultiQuerySet(MultiQuerySet): - def __init__(self, *args, **kwargs): - self.order_by = kwargs.pop('order_by', None) - self.sortfn = kwargs.pop('sortfn', None) - if self.order_by is not None: - self.sortfn = lambda a, b: cmp((getattr(a, f) for f in self.order_by), - (getattr(b, f) for f in self.order_by)) - super(SortedMultiQuerySet, self).__init__(*args, **kwargs) - - def __getitem__(self, item): - sort_heads = [0] * len(self.querysets) - try: - (offset, stop, step) = item.indices(self.count()) - except AttributeError: - # it's not a slice - make it one - return self[item:item + 1][0] - items = [] - total_len = stop - offset - skipped = 0 - i_s = range(len(sort_heads)) - - while len(items) < total_len: - candidate = None - candidate_i = None - for i in i_s: - def get_next(): - return self.querysets[i][sort_heads[i]] - try: - if candidate is None: - candidate = get_next() - candidate_i = i - else: - competitor = get_next() - if self.sortfn(candidate, competitor) > 0: - candidate = competitor - candidate_i = i - except IndexError: - continue # continue next sort_head - # we have no more elements: - if candidate is None: - break - sort_heads[candidate_i] += 1 - if skipped < offset: - skipped += 1 - continue # continue next item - items.append(candidate) - - return items - - def truncate_html_words(s, num, end_text='...'): """Truncates HTML to a certain number of words (not counting tags and comments). Closes opened tags if they were correctly closed in the given @@ -241,10 +200,10 @@ def truncate_html_words(s, num, end_text='...'): This is just a version of django.utils.text.truncate_html_words with no space before the end_text. """ - s = force_unicode(s) + s = force_str(s) length = int(num) if length <= 0: - return u'' + return '' html4_singlets = ('br', 'col', 'link', 'base', 'img', 'param', 'area', 'hr', 'input') # Set up regular expressions re_words = re.compile(r'&.*?;|<.*?>|(\w[\w-]*)', re.U) @@ -349,8 +308,29 @@ def delete_from_cache_by_language(cache, key_template): def gallery_path(slug): - return os.path.join(settings.MEDIA_ROOT, settings.IMAGE_DIR, slug) + return os.path.join(settings.MEDIA_ROOT, settings.IMAGE_DIR, slug) + '/' def gallery_url(slug): return '%s%s%s/' % (settings.MEDIA_URL, settings.IMAGE_DIR, slug) + + +def absolute_url(url): + Site = apps.get_model('sites', 'Site') + site = Site.objects.get_current() + base_url = '%s://%s' % ( + 'https' if settings.SESSION_COOKIE_SECURE else 'http', + site.domain + ) + return urljoin(base_url, url) + + +def get_mp3_length(path): + from mutagen.mp3 import MP3 + return int(MP3(path).info.length) + + +def set_file_permissions(self, fieldfile): + if fieldfile.instance.preview: + fieldfile.set_readable(False) +