def log(name):
"""Show the list of recent changes."""
revision = Page.by_name(name)
if revision is None:
return show(name)
revisions = revision.page.revisions.all().order('-timestamp').fetch(-1)
return web.render_template('log.html', revision=revision, revisions=revisions)
def edit(name):
note = error = ''
revision = Page.by_name(name)
return web.render_template('edit.html',
new=revision is None,
revision=revision,
page_name=name,
note=note,
error=error)
def get(self, page_name):
page = Page.by_name(page_name)
revision = None
revision_id = self.request.get('v')
if revision_id: # if a specific revision is requested
revision = Revision.by_id(revision_id, page)
self.render('edit.jinja',
page_name=page_name,
revision=revision,
user=self.user,
page=page)
def get(self, page_name):
page = Page.by_name(page_name)
revision = None
revision_id = self.request.get('v')
if revision_id: # if a specific revision is requested
revision = Revision.by_id(revision_id, page)
self.render(
'edit.jinja',
page_name=page_name,
revision=revision,
user=self.user,
page=page)
def show(name):
revision = request.args.get('rev')
if revision:
revision = Page.by_revision(revision)
revision_requested = True
else:
revision = Page.by_name(name)
revision_requested = False
if revision is None:
return (web.render_template('missing.html',
revision_requested=revision_requested,
page_name=name,
protected=False), 404)
return web.render_template('show.html', revision=revision)
def post(self, page_name):
page = Page.by_name(page_name)
if self.user:
body = self.request.get('content')
else: # if posted while not logged in.
self.write('ERROR: not logged in.')
self.abort()
if not page: # For creatubg a new page.
page = Page(title=page_name)
page.put()
revision = Revision(body=body, user=self.user, parent=page)
revision.put()
page.revision = revision
page.put()
self.redirect_to('WikiPage', page_name=page_name)
def post(self, page_name):
page = Page.by_name(page_name)
if self.user:
body = self.request.get('content')
else: # if posted while not logged in.
self.write('ERROR: not logged in.')
self.abort()
if not page: # For creatubg a new page.
page = Page(title=page_name)
page.put()
revision = Revision(body=body, user=self.user, parent=page)
revision.put()
page.revision = revision
page.put()
self.redirect_to('WikiPage', page_name=page_name)
def diff(name):
old = request.args.get('old')
new = request.args.get('new')
try:
old = int(old)
new = int(new)
except:
pass
error = ''
diff = page = old_rev = new_rev = None
if not (old and new):
error = _('No revisions specified.')
else:
revision = Page.by_name(name)
revisions = dict([(rev.key, rev) for rev in revision.page.revisions \
.all().filter('key in', [old, new]).fetch(-1)])
if len(revisions) != 2:
error = _('At least one of the revisions requested ' \
'does not exist.')
else:
new_rev = revisions[new]
old_rev = revisions[old]
page = old_rev.page
diff = unified_diff(
(old_rev.text + '\n').splitlines(True),
(new_rev.text + '\n').splitlines(True),
page.name, page.name,
old_rev.time,
new_rev.time,
3
)
return web.render_template('diff.html',
error=error,
old_revision=old_rev,
new_revision=new_rev,
page=page,
revision=page,
diff=diff
)
def save(name):
revision = Page.by_name(name)
text = request.form.get('text')
note = request.form.get('note')
if request.form.get('cancel') or \
revision and revision.text == text:
return web.redirect(web.url_for('show', name=name))
elif not text:
error = _('You cannot save empty revisions.')
else:
note = request.form.get('note', '')
page = revision.page if revision else Page(name=name)
revision = Revision(text=text, page=page, note=note)
revision.save()
db.commit()
return web.redirect(web.url_for('show', name=name))
def revert(name):
"""Revert an old revision."""
rev_id = request.args.get('rev')
try:
rev_id = int(rev_id)
except:
pass
old_revision = page = None
error = _('No such revision')
if request.method == 'POST' and request.form.get('cancel'):
return web.redirect(web.url_for('show', name=page_name))
if rev_id:
old_revision = Page.by_revision(rev_id)
if old_revision:
new_revision = Page.by_name(name)
if old_revision == new_revision:
error = _('You tried to revert the current active ' \
'revision.')
elif old_revision.text == new_revision.text:
error = _('There are no changes between the current ' \
'revision and the revision you want to ' \
'restore.')
else:
error = ''
page = old_revision.page
if request.method == 'POST':
note = request.form.get('note', '')
note = 'revert' + (note and ': ' + note or '')
revision = Revision(page=page, text=old_revision.text,
note=note)
revision.save()
db.commit()
return web.redirect(web.url_for('show', name=name))
return web.render_template('revert.html',
error=error,
old_revision=old_revision,
revision=page
)