# -*- 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
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'
"""
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'
"""
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."""
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.
'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:
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
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):
@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, **kwargs):
"""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')
-
+
+ author = kwargs.get('author', u'anonymous').encode('utf-8')
+ comment = kwargs.get('comment', u'Empty comment.').encode('utf-8')
+ parent = kwargs.get('parent', None)
+
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 = '<wiki>'
- text = msg.encode('utf-8')
-
- self._commit([repo_file], text, user)
-
-
+ msg = self.merge_changes(changectx, repo_file, comment, author, parent)
+ author = '<wiki>'
+ comment = msg.encode('utf-8')
+
+ self._commit([repo_file], comment, author)
+
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)
+
+ return self.save_file(title=title, file_name=file_path, **kwargs)
finally:
try:
os.unlink(file_path)
except OSError:
pass
- def save_text(self, text, **kwargs):
- """Save text as specified page, encoded to charset."""
- self.save_data(data = text.encode(self.charset), **kwargs)
-
+ def save_text(self, **kwargs):
+ """Save text as specified page, encoded to charset."""
+ text = kwargs.pop('text')
+ return self.save_data(data=text.encode(self.charset), **kwargs)
- def _commit(self, files, text, user):
+ def _commit(self, files, comment, user):
match = mercurial.match.exact(self.repo_path, '', list(files))
- 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()
- text = unicode(data, self.charset, 'replace')
- return text
-
- def page_lines(self, page):
- for data in page:
- yield unicode(data, self.charset, 'replace')
+ return self.repo.commit(match=match, text=comment, user=user, force=True)
@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)
self.repo.remove([repo_file])
self._commit([repo_file], text, user)
- @with_working_copy_locked
- def open_page(self, title):
- if title not in self:
- raise DocumentNotFound()
-
- path = self._title_to_file(title)
- logger.debug("Opening page %s", path)
+ def page_text(self, title, revision=None):
+ """Read unicode text of a page."""
+ ctx = self._find_filectx(title, revision)
+
+ if ctx is None:
+ raise DocumentNotFound(title)
+
+ return ctx.data().decode(self.charset, 'replace'), ctx.filerev()
+
+ def page_text_by_tag(self, title, tag):
+ """Read unicode text of a taged page."""
+ fname = self._title_to_file(title)
+ tag = u"{fname}#{tag}".format(**locals()).encode('utf-8')
+
try:
- return self.repo.wfile(path, 'rb')
- except IOError:
- logger.exception("Failed to open page %s", title)
- raise DocumentNotFound()
+ ctx = self.repo[tag][fname]
+ return ctx.data().decode(self.charset, 'replace'), ctx.filerev()
+ except IndexError:
+ raise DocumentNotFound(fname)
@with_working_copy_locked
def page_file_meta(self, title):
"""Get page's inode number, size and last modification time."""
try:
- (st_mode, st_ino, st_dev, st_nlink, st_uid, st_gid, st_size,
- st_atime, st_mtime, st_ctime) = os.stat(self._file_path(title))
+ (_st_mode, st_ino, _st_dev, _st_nlink, _st_uid, _st_gid, st_size,
+ _st_atime, st_mtime, _st_ctime) = os.stat(self._file_path(title))
except OSError:
return 0, 0, 0
return st_ino, st_size, st_mtime
-
+
@with_working_copy_locked
- def page_meta(self, title):
+ def page_meta(self, title, revision=None):
"""Get page's revision, date, last editor and his edit comment."""
- if not title in self:
- raise DocumentNotFound()
+ fctx = self._find_filectx(title, revision)
- filectx_tip = self._find_filectx(title)
- if filectx_tip is None:
- raise DocumentNotFound()
- rev = filectx_tip.filerev()
- filectx = filectx_tip.filectx(rev)
- date = datetime.datetime.fromtimestamp(filectx.date()[0])
- author = unicode(filectx.user(), "utf-8",
- 'replace').split('<')[0].strip()
- comment = unicode(filectx.description(), "utf-8", 'replace')
- return rev, date, author, comment
+ if fctx is None:
+ raise DocumentNotFound(title)
+
+ return {
+ "revision": fctx.filerev(),
+ "date": datetime.datetime.fromtimestamp(fctx.date()[0]),
+ "author": fctx.user().decode("utf-8", 'replace'),
+ "comment": fctx.description().decode("utf-8", 'replace'),
+ }
def repo_revision(self):
return self.repo['tip'].rev()
-
+
def _changectx(self):
return self.repo['tip']
"""
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)
- changectx = self._changectx()
+ changectx = self._changectx() # start with tip
+ visited = set()
+
stack = [changectx]
+ visited.add(changectx)
+
while repo_file not in changectx:
if not stack:
- return None
+ raise DocumentNotFound(title)
+
changectx = stack.pop()
for parent in changectx.parents():
- if parent != changectx:
+ if parent not in visited:
stack.append(parent)
-
+ visited.add(parent)
+
try:
- fctx = changectx[repo_file]
- return fctx if rev is None else fctx.filectx(rev)
- except IndexError, LookupError:
- raise DocumentNotFound()
+ fctx = changectx[repo_file]
+
+ if rev is not None:
+ fctx = fctx.filectx(rev)
+ fctx.filerev()
+
+ return fctx
+ except (IndexError, LookupError) as e:
+ raise DocumentNotFound(title)
def page_history(self, title):
"""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):
filectx = filectx_tip.filectx(rev)
date = datetime.datetime.fromtimestamp(filectx.date()[0])
- author = unicode(filectx.user(), "utf-8",
- 'replace').split('<')[0].strip()
- comment = unicode(filectx.description(), "utf-8", 'replace')
+ author = filectx.user().decode('utf-8', 'replace')
+ comment = filectx.description().decode("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,
}
- def page_revision(self, title, rev):
- """Get unicode contents of specified revision of the page."""
- return self._find_filectx(title, rev).data()
-
- def revision_text(self, title, rev):
- 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 = "<wiki>", doctag = True):
+ def add_page_tag(self, title, rev, tag, user, doctag=True):
+ ctitle = self._title_to_file(title)
+
if doctag:
- tag = "{title}#{tag}".format(**locals())
-
- message = "Assigned tag {tag} to version {rev} of {title}".format(**locals())
-
+ tag = u"{ctitle}#{tag}".format(**locals()).encode('utf-8')
+
+ message = u"Assigned tag {tag!r} to version {rev!r} of {ctitle!r}".format(**locals()).encode('utf-8')
+
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."""
for wiki_rev in range(maxrev, minrev - 1, -1):
change = self.repo.changectx(wiki_rev)
date = datetime.datetime.fromtimestamp(change.date()[0])
- author = unicode(change.user(), "utf-8",
- 'replace').split('<')[0].strip()
- comment = unicode(change.description(), "utf-8", 'replace')
+ author = change.user().decode('utf-8', 'replace')
+ comment = change.description().decode("utf-8", 'replace')
for repo_file in change.files():
if repo_file.startswith(self.repo_prefix):
title = self._file_to_title(repo_file)
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."""
fnp / redakcja.git / blobdiff