X-Git-Url: https://git.mdrn.pl/redakcja.git/blobdiff_plain/f499ee9347f539c36f3846fdc41020f2320bae77..ffe377758219d2500806c0807c6e902be8eba4fb:/lib/vstorage.py diff --git a/lib/vstorage.py b/lib/vstorage.py index 319a0f12..ae4d22f9 100644 --- a/lib/vstorage.py +++ b/lib/vstorage.py @@ -1,7 +1,7 @@ # -*- coding: utf-8 -*- # # This file is part of FNP-Redakcja, licensed under GNU Affero GPLv3 or later. -# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information. +# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information. # import os import tempfile @@ -23,9 +23,9 @@ import mercurial.revlog import mercurial.util -def urlquote(url, safe = '/'): - """Quotes URL - +def urlquote(url, safe='/'): + """Quotes URL + >>> urlquote(u'Za\u017c\xf3\u0142\u0107 g\u0119\u015bl\u0105 ja\u017a\u0144') 'Za%C5%BC%C3%B3%C5%82%C4%87_g%C4%99%C5%9Bl%C4%85_ja%C5%BA%C5%84' """ @@ -33,8 +33,8 @@ def urlquote(url, safe = '/'): def urlunquote(url): - """Unqotes URL - + """Unqotes URL + # >>> urlunquote('Za%C5%BC%C3%B3%C5%82%C4%87_g%C4%99%C5%9Bl%C4%85_ja%C5%BA%C5%84') # u'Za\u017c\xf3\u0142\u0107 g\u0119\u015bl\u0105 ja\u017a\u0144' """ @@ -59,10 +59,11 @@ def with_working_copy_locked(func): wlock = self.repo.wlock() try: return func(self, *args, **kwargs) - finally: + finally: wlock.release() return wrapped + def with_storage_locked(func): """A decorator for locking the repository when calling a method.""" @@ -72,10 +73,11 @@ def with_storage_locked(func): lock = self.repo.lock() try: return func(self, *args, **kwargs) - finally: + finally: lock.release() return wrapped + def guess_mime(file_name): """ Guess file's mime type based on extension. @@ -95,7 +97,7 @@ def guess_mime(file_name): 'archive/gzip' """ - mime, encoding = mimetypes.guess_type(file_name, strict = False) + mime, encoding = mimetypes.guess_type(file_name, strict=False) if encoding: mime = 'archive/%s' % encoding if mime is None: @@ -113,7 +115,7 @@ class VersionedStorage(object): change history, using Mercurial repository as the storage method. """ - def __init__(self, path, charset = None): + def __init__(self, path, charset=None): """ Takes the path to the directory where the pages are to be kept. If the directory doen't exist, it will be created. If it's inside @@ -126,38 +128,38 @@ class VersionedStorage(object): if not os.path.exists(self.path): os.makedirs(self.path) self.repo_path = find_repo_path(self.path) - + self.ui = mercurial.ui.ui() self.ui.quiet = True self.ui._report_untrusted = False self.ui.setconfig('ui', 'interactive', False) - + if self.repo_path is None: self.repo_path = self.path create = True else: create = False - + self.repo_prefix = self.path[len(self.repo_path):].strip('/') self.repo = mercurial.hg.repository(self.ui, self.repo_path, - create = create) + create=create) def reopen(self): """Close and reopen the repo, to make sure we are up to date.""" self.repo = mercurial.hg.repository(self.ui, self.repo_path) def _file_path(self, title): - return os.path.join(self.path, urlquote(title, safe = '')) + return os.path.join(self.path, urlquote(title, safe='')) def _title_to_file(self, title): - return os.path.join(self.repo_prefix, urlquote(title, safe = '')) + return os.path.join(self.repo_prefix, urlquote(title, safe='')) def _file_to_title(self, filename): assert filename.startswith(self.repo_prefix) name = filename[len(self.repo_prefix):].strip('/') return urlunquote(name) - def __contains__(self, title): + def __contains__(self, title): return urlquote(title) in self.repo['tip'] def __iter__(self): @@ -195,40 +197,39 @@ class VersionedStorage(object): @with_working_copy_locked @with_storage_locked - def save_file(self, title, file_name, author = u'', comment = u'', parent = None): + def save_file(self, title, file_name, author=u'', comment=u'', parent=None): """Save an existing file as specified page.""" user = author.encode('utf-8') or u'anonymous'.encode('utf-8') text = comment.encode('utf-8') or u'comment'.encode('utf-8') - + repo_file = self._title_to_file(title) file_path = self._file_path(title) mercurial.util.rename(file_name, file_path) changectx = self._changectx() - + try: filectx_tip = changectx[repo_file] current_page_rev = filectx_tip.filerev() except mercurial.revlog.LookupError: self.repo.add([repo_file]) current_page_rev = -1 - + if parent is not None and current_page_rev != parent: msg = self.merge_changes(changectx, repo_file, text, user, parent) user = '' text = msg.encode('utf-8') - + self._commit([repo_file], text, user) - - + def save_data(self, title, data, **kwargs): """Save data as specified page.""" try: - temp_path = tempfile.mkdtemp(dir = self.path) + temp_path = tempfile.mkdtemp(dir=self.path) file_path = os.path.join(temp_path, 'saved') f = open(file_path, "wb") f.write(data) f.close() - self.save_file(title = title, file_name = file_path, **kwargs) + self.save_file(title=title, file_name=file_path, **kwargs) finally: try: os.unlink(file_path) @@ -240,14 +241,13 @@ class VersionedStorage(object): pass def save_text(self, text, **kwargs): - """Save text as specified page, encoded to charset.""" - self.save_data(data = text.encode(self.charset), **kwargs) - + """Save text as specified page, encoded to charset.""" + self.save_data(data=text.encode(self.charset), **kwargs) def _commit(self, files, text, user): match = mercurial.match.exact(self.repo_path, '', list(files)) - return self.repo.commit(match = match, text = text, user = user, force = True) - + return self.repo.commit(match=match, text=text, user=user, force=True) + def page_text(self, title): """Read unicode text of a page.""" data = self.open_page(title).read() @@ -260,7 +260,7 @@ class VersionedStorage(object): @with_working_copy_locked @with_storage_locked - def delete_page(self, title, author = u'', comment = u''): + def delete_page(self, title, author=u'', comment=u''): user = author.encode('utf-8') or 'anon' text = comment.encode('utf-8') or 'deleted' repo_file = self._title_to_file(title) @@ -276,11 +276,11 @@ class VersionedStorage(object): def open_page(self, title): if title not in self: raise DocumentNotFound() - + path = self._title_to_file(title) - logger.debug("Opening page %s", path) + logger.debug("Opening page %s", path) try: - return self.repo.wfile(path, 'rb') + return self.repo.wfile(path, 'rb') except IOError: logger.exception("Failed to open page %s", title) raise DocumentNotFound() @@ -294,7 +294,7 @@ class VersionedStorage(object): except OSError: return 0, 0, 0 return st_ino, st_size, st_mtime - + @with_working_copy_locked def page_meta(self, title): """Get page's revision, date, last editor and his edit comment.""" @@ -314,7 +314,7 @@ class VersionedStorage(object): def repo_revision(self): return self.repo['tip'].rev() - + def _changectx(self): return self.repo['tip'] @@ -325,7 +325,7 @@ class VersionedStorage(object): """ return guess_mime(self._file_path(title)) - def _find_filectx(self, title, rev = None): + def _find_filectx(self, title, rev=None): """Find the last revision in which the file existed.""" repo_file = self._title_to_file(title) @@ -338,9 +338,9 @@ class VersionedStorage(object): for parent in changectx.parents(): if parent != changectx: stack.append(parent) - + try: - fctx = changectx[repo_file] + fctx = changectx[repo_file] return fctx if rev is None else fctx.filectx(rev) except IndexError, LookupError: raise DocumentNotFound() @@ -349,7 +349,7 @@ class VersionedStorage(object): """Iterate over the page's history.""" filectx_tip = self._find_filectx(title) - + maxrev = filectx_tip.filerev() minrev = 0 for rev in range(maxrev, minrev - 1, -1): @@ -359,11 +359,11 @@ class VersionedStorage(object): 'replace').split('<')[0].strip() comment = unicode(filectx.description(), "utf-8", 'replace') tags = [t.rsplit('#', 1)[-1] for t in filectx.changectx().tags() if '#' in t] - + yield { - "version": rev, - "date": date, - "author": author, + "version": rev, + "date": date, + "author": author, "description": comment, "tag": tags, } @@ -376,19 +376,19 @@ class VersionedStorage(object): data = self.page_revision(title, rev) text = unicode(data, self.charset, 'replace') return text - + @with_working_copy_locked - def add_page_tag(self, title, rev, tag, user = "", doctag = True): + def add_page_tag(self, title, rev, tag, user="", doctag=True): if doctag: tag = "{title}#{tag}".format(**locals()) - + message = "Assigned tag {tag} to version {rev} of {title}".format(**locals()) - + fctx = self._find_filectx(title, rev) self.repo.tag( - names = tag, node = fctx.node(), local = False, - user = user, message = message, date = None - ) + names=tag, node=fctx.node(), local=False, + user=user, message=message, date=None, + ) def history(self): """Iterate over the history of entire wiki.""" @@ -414,7 +414,7 @@ class VersionedStorage(object): def all_pages(self): tip = self.repo['tip'] """Iterate over the titles of all pages in the wiki.""" - return [ urlunquote(filename) for filename in tip ] + return [urlunquote(filename) for filename in tip] def changed_since(self, rev): """Return all pages that changed since specified repository revision."""