X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/87e084d47c335cd6f0b3e91d614999f55d148044..e9283420ea09fd5f4384b537542d231da08a5269:/src/catalogue/utils.py diff --git a/src/catalogue/utils.py b/src/catalogue/utils.py index 71cd8907a..60a56714c 100644 --- a/src/catalogue/utils.py +++ b/src/catalogue/utils.py @@ -2,23 +2,24 @@ # 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 zipfile import ZipFile +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_unicode + from reporting.utils import read_chunks # Use the system (hardware-based) random number generator if it exists. @@ -30,9 +31,9 @@ MAX_SESSION_KEY = 18446744073709551616L # 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() + 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() @@ -89,7 +90,7 @@ class LockFile(object): self.lock.close() -#@task +# @task def create_zip(paths, zip_slug): """ Creates a zip in MEDIA_ROOT/zip directory containing files from path. @@ -145,6 +146,7 @@ class AttachmentHttpResponse(HttpResponse): for chunk in read_chunks(f): self.write(chunk) + class MultiQuerySet(object): def __init__(self, *args, **kwargs): self.querysets = args @@ -163,7 +165,7 @@ class MultiQuerySet(object): (offset, stop, step) = item.indices(self.count()) except AttributeError: # it's not a slice - make it one - return self[item : item + 1][0] + return self[item:item + 1][0] items = [] total_len = stop - offset for qs in self.querysets: @@ -178,6 +180,7 @@ class MultiQuerySet(object): stop = total_len - len(items) continue + class SortedMultiQuerySet(MultiQuerySet): def __init__(self, *args, **kwargs): self.order_by = kwargs.pop('order_by', None) @@ -193,7 +196,7 @@ class SortedMultiQuerySet(MultiQuerySet): (offset, stop, step) = item.indices(self.count()) except AttributeError: # it's not a slice - make it one - return self[item : item + 1][0] + return self[item:item + 1][0] items = [] total_len = stop - offset skipped = 0 @@ -215,14 +218,14 @@ class SortedMultiQuerySet(MultiQuerySet): candidate = competitor candidate_i = i except IndexError: - continue # continue next sort_head + 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 + continue # continue next item items.append(candidate) return items @@ -279,7 +282,8 @@ def truncate_html_words(s, num, end_text='...'): except ValueError: pass else: - # SGML: An end tag closes, back to the matching start tag, all unclosed intervening start tags with omitted end tags + # SGML: An end tag closes, back to the matching start tag, + # all unclosed intervening start tags with omitted end tags open_tags = open_tags[i+1:] else: # Add it to the start of the open tags list @@ -333,9 +337,7 @@ class AppSettings(object): def __getattribute__(self, name): if name.startswith('_'): return object.__getattribute__(self, name) - value = getattr(settings, - "%s_%s" % (self._prefix, name), - object.__getattribute__(self, name)) + value = getattr(settings, "%s_%s" % (self._prefix, name), object.__getattribute__(self, name)) more = "_more_%s" % name if hasattr(self, more): value = getattr(self, more)(value) @@ -344,3 +346,11 @@ class AppSettings(object): def delete_from_cache_by_language(cache, key_template): cache.delete_many([key_template % lc for lc, ln in settings.LANGUAGES]) + + +def gallery_path(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)