from __future__ import with_statement
"""The review extension's web UI."""
import base64, sys, os, StringIO
from hashlib import md5
from mercurial import cmdutil, commands, error, hg, templatefilters
from mercurial.node import short
from mercurial.util import email
import api, messages
def unbundle():
package_path = os.path.split(os.path.realpath(__file__))[0]
template_path = os.path.join(package_path, 'web_templates')
media_path = os.path.join(package_path, 'web_media')
top_path = os.path.split(package_path)[0]
bundled_path = os.path.join(top_path, 'bundled')
flask_path = os.path.join(bundled_path, 'flask')
jinja2_path = os.path.join(bundled_path, 'jinja2')
werkzeug_path = os.path.join(bundled_path, 'werkzeug')
simplejson_path = os.path.join(bundled_path, 'simplejson')
markdown2_path = os.path.join(bundled_path, 'markdown2', 'lib')
sys.path.insert(0, flask_path)
sys.path.insert(0, werkzeug_path)
sys.path.insert(0, jinja2_path)
sys.path.insert(0, simplejson_path)
sys.path.insert(0, markdown2_path)
unbundle()
import markdown2
from flask import Flask
from flask import abort, g, redirect, render_template, request, Response
app = Flask(__name__)
LOG_PAGE_LEN = 15
def _item_gravatar(item, size=30):
return 'http://www.gravatar.com/avatar/%s?s=%d' % (md5(email(item.author)).hexdigest(), size)
def _cset_gravatar(cset, size=30):
return 'http://www.gravatar.com/avatar/%s?s=%d' % (md5(email(cset.user())).hexdigest(), size)
def _line_type(line):
return 'rem' if line[0] == '-' else 'add' if line[0] == '+' else 'con'
def _categorize_signoffs(signoffs):
return { 'yes': len(filter(lambda s: s.opinion == 'yes', signoffs)),
'no': len(filter(lambda s: s.opinion == 'no', signoffs)),
'neutral': len(filter(lambda s: s.opinion == '', signoffs)),}
markdowner = markdown2.Markdown(safe_mode='escape', extras=['code-friendly', 'pyshell', 'imgless'])
utils = {
'node_short': short,
'md5': md5,
'email': email,
'templatefilters': templatefilters,
'len': len,
'item_gravatar': _item_gravatar,
'cset_gravatar': _cset_gravatar,
'line_type': _line_type,
'categorize_signoffs': _categorize_signoffs,
'map': map,
'str': str,
'decode': lambda s: s.decode('utf-8'),
'markdown': markdowner.convert,
'b64': base64.b64encode,
}
def _render(template, **kwargs):
return render_template(template, read_only=app.read_only,
allow_anon=app.allow_anon, utils=utils, datastore=g.datastore,
title=app.title, **kwargs)
def _get_revision_or_404(revhash):
revhash = revhash.lower()
if not all(c in 'abcdef1234567890' for c in revhash):
abort(404)
try:
rcset = g.datastore[revhash]
rev = rcset.target[revhash]
return rcset, rev
except error.RepoLookupError:
abort(404)
@app.before_request
def load_datastore():
g.datastore = api.ReviewDatastore(app.ui, hg.repository(app.ui, app.repo.root))
@app.route('/')
def index_newest():
return index(-1)
@app.route('/<int:rev_max>/')
def index(rev_max):
tip = g.datastore.target['tip'].rev()
if rev_max > tip or rev_max < 0:
rev_max = tip
rev_min = rev_max - LOG_PAGE_LEN if rev_max >= LOG_PAGE_LEN else 0
if rev_min < 0:
rev_min = 0
older = rev_min - 1 if rev_min > 0 else -1
newer = rev_max + LOG_PAGE_LEN + 1 if rev_max < tip else -1
if newer > tip:
newer = tip
rcsets = [g.datastore[r] for r in xrange(rev_max, rev_min - 1, -1)]
return _render('index.html', rcsets=rcsets, newer=newer, older=older)
def _handle_signoff(revhash):
signoff = request.form['signoff']
if signoff not in ['yes', 'no', 'neutral']:
abort(400)
if signoff == 'neutral':
signoff = ''
body = request.form.get('new-signoff-body', '')
style = 'markdown' if request.form.get('signoff-markdown') else ''
current = request.form.get('current')
if current:
g.datastore.edit_signoff(current, body, signoff, style=style)
else:
rcset, rev = _get_revision_or_404(revhash)
rcset.add_signoff(body, signoff, style=style)
return redirect("%s/changeset/%s/" % (app.site_root, revhash))
def _handle_comment(revhash):
filename = base64.b64decode(request.form.get('filename-b64', u''))
ufilename = request.form.get('filename-u', u'')
lines = str(request.form.get('lines', ''))
if lines:
lines = filter(None, [l.strip() for l in lines.split(',')])
body = request.form['new-comment-body']
style = 'markdown' if request.form.get('comment-markdown') else ''
if body:
current = request.form.get('current')
if current:
g.datastore.edit_comment(current, body, ufilename, filename, lines, style)
else:
rcset, rev = _get_revision_or_404(revhash)
rcset.add_comment(body, ufilename, filename, lines, style)
return redirect("%s/changeset/%s/" % (app.site_root, revhash))
@app.route('/changeset/<revhash>/', methods=['GET', 'POST'])
def changeset(revhash):
if request.method == 'POST':
signoff = request.form.get('signoff', None)
if signoff and not app.read_only:
return _handle_signoff(revhash)
elif not app.read_only or app.allow_anon:
return _handle_comment(revhash)
rcset, rev = _get_revision_or_404(revhash)
cu_signoffs = rcset.signoffs_for_current_user()
cu_signoff = cu_signoffs[0] if cu_signoffs else None
tip = g.datastore.target['tip'].rev()
newer = rcset.target[rev.rev() + 1] if rev.rev() < tip else None
older = rcset.target[rev.rev() - 1] if rev.rev() > 0 else None
return _render('changeset.html', rcset=rcset, rev=rev, cu_signoff=cu_signoff,
newer=newer, older=older)
@app.route('/changeset/<revhash>/patch/')
def patch(revhash):
result = StringIO.StringIO()
try:
cmdutil.export(g.datastore.target, [revhash], fp=result)
except error.RepoLookupError:
abort(404)
except UnicodeEncodeError:
abort(404)
return Response(result.getvalue(), content_type="text/plain")
@app.route('/pull/', methods=['POST'])
def pull():
if not app.read_only:
path = request.form['path']
from hgext import fetch
fetch.fetch(g.datastore.repo.ui, g.datastore.repo, path, rev=[],
message=messages.FETCH, switch_parent=True, user='', date='')
return redirect('%s/' % app.site_root)
@app.route('/push/', methods=['POST'])
def push():
if not app.read_only:
path = request.form['path']
commands.push(g.datastore.repo.ui, g.datastore.repo, path)
return redirect('%s/' % app.site_root)
@app.errorhandler(404)
def page_not_found(error):
return _render('404.html'), 404
@app.errorhandler(500)
def server_error(error):
return _render('500.html'), 500
def load_interface(ui, repo, read_only=False, allow_anon=False,
open=False, address='127.0.0.1', port=8080):
if open:
import webbrowser
webbrowser.open('http://localhost:%d/' % port)
app.read_only = read_only
app.debug = ui.debugflag
app.allow_anon = allow_anon
app.site_root = ''
if app.allow_anon:
ui.setconfig('ui', 'username', 'Anonymous <anonymous@example.com>')
app.ui = ui
app.repo = repo
app.title = os.path.basename(repo.root)
if app.debug:
from flaskext.lesscss import lesscss
lesscss(app)
app.run(host=address, port=port)