added emulation of pull hook for git-backend, and dummy git-push hook

rhodecode/lib/helpers.py

@@ -1,938 +1,941 b''
 """Helper functions
 
 Consists of functions to typically be used within templates, but also
 available to Controllers. This module is available to both as 'h'.
 """
 import random
 import hashlib
 import StringIO
 import urllib
 import math
 import logging
 
 from datetime import datetime
 from pygments.formatters.html import HtmlFormatter
 from pygments import highlight as code_highlight
 from pylons import url, request, config
 from pylons.i18n.translation import _, ungettext
 from hashlib import md5
 
 from webhelpers.html import literal, HTML, escape
 from webhelpers.html.tools import *
 from webhelpers.html.builder import make_tag
 from webhelpers.html.tags import auto_discovery_link, checkbox, css_classes, \
     end_form, file, form, hidden, image, javascript_link, link_to, \
     link_to_if, link_to_unless, ol, required_legend, select, stylesheet_link, \
     submit, text, password, textarea, title, ul, xml_declaration, radio
 from webhelpers.html.tools import auto_link, button_to, highlight, \
     js_obfuscate, mail_to, strip_links, strip_tags, tag_re
 from webhelpers.number import format_byte_size, format_bit_size
 from webhelpers.pylonslib import Flash as _Flash
 from webhelpers.pylonslib.secure_form import secure_form
 from webhelpers.text import chop_at, collapse, convert_accented_entities, \
     convert_misc_entities, lchop, plural, rchop, remove_formatting, \
     replace_whitespace, urlify, truncate, wrap_paragraphs
 from webhelpers.date import time_ago_in_words
 from webhelpers.paginate import Page
 from webhelpers.html.tags import _set_input_attrs, _set_id_attr, \
     convert_boolean_attrs, NotGiven, _make_safe_id_component
 
 from rhodecode.lib.annotate import annotate_highlight
 from rhodecode.lib.utils import repo_name_slug
 from rhodecode.lib.utils2 import str2bool, safe_unicode, safe_str, \
     get_changeset_safe
 from rhodecode.lib.markup_renderer import MarkupRenderer
 
 log = logging.getLogger(__name__)
 
 
 def shorter(text, size=20):
     postfix = '...'
     if len(text) > size:
         return text[:size - len(postfix)] + postfix
     return text
 
 
 def _reset(name, value=None, id=NotGiven, type="reset", **attrs):
     """
     Reset button
     """
     _set_input_attrs(attrs, type, name, value)
     _set_id_attr(attrs, id, name)
     convert_boolean_attrs(attrs, ["disabled"])
     return HTML.input(**attrs)
 
 reset = _reset
 safeid = _make_safe_id_component
 
 
 def FID(raw_id, path):
     """
     Creates a uniqe ID for filenode based on it's hash of path and revision
     it's safe to use in urls
 
     :param raw_id:
     :param path:
     """
 
     return 'C-%s-%s' % (short_id(raw_id), md5(safe_str(path)).hexdigest()[:12])
 
 
 def get_token():
     """Return the current authentication token, creating one if one doesn't
     already exist.
     """
     token_key = "_authentication_token"
     from pylons import session
     if not token_key in session:
         try:
             token = hashlib.sha1(str(random.getrandbits(128))).hexdigest()
-        except AttributeError: # Python < 2.4
+        except AttributeError:  # Python < 2.4
             token = hashlib.sha1(str(random.randrange(2 ** 128))).hexdigest()
         session[token_key] = token
         if hasattr(session, 'save'):
             session.save()
     return session[token_key]
 
 
 class _GetError(object):
     """Get error from form_errors, and represent it as span wrapped error
     message
 
     :param field_name: field to fetch errors for
     :param form_errors: form errors dict
     """
 
     def __call__(self, field_name, form_errors):
         tmpl = """<span class="error_msg">%s</span>"""
         if form_errors and form_errors.has_key(field_name):
             return literal(tmpl % form_errors.get(field_name))
 
 get_error = _GetError()
 
 
 class _ToolTip(object):
 
     def __call__(self, tooltip_title, trim_at=50):
         """Special function just to wrap our text into nice formatted
         autowrapped text
 
         :param tooltip_title:
         """
         return escape(tooltip_title)
 tooltip = _ToolTip()
 
 
 class _FilesBreadCrumbs(object):
 
     def __call__(self, repo_name, rev, paths):
         if isinstance(paths, str):
             paths = safe_unicode(paths)
         url_l = [link_to(repo_name, url('files_home',
                                         repo_name=repo_name,
                                         revision=rev, f_path=''))]
         paths_l = paths.split('/')
         for cnt, p in enumerate(paths_l):
             if p != '':
                 url_l.append(link_to(p,
                                      url('files_home',
                                          repo_name=repo_name,
                                          revision=rev,
                                          f_path='/'.join(paths_l[:cnt + 1])
                                          )
                                      )
                              )
 
         return literal('/'.join(url_l))
 
 files_breadcrumbs = _FilesBreadCrumbs()
 
 
 class CodeHtmlFormatter(HtmlFormatter):
     """
     My code Html Formatter for source codes
     """
 
     def wrap(self, source, outfile):
         return self._wrap_div(self._wrap_pre(self._wrap_code(source)))
 
     def _wrap_code(self, source):
         for cnt, it in enumerate(source):
             i, t = it
             t = '<div id="L%s">%s</div>' % (cnt + 1, t)
             yield i, t
 
     def _wrap_tablelinenos(self, inner):
         dummyoutfile = StringIO.StringIO()
         lncount = 0
         for t, line in inner:
             if t:
                 lncount += 1
             dummyoutfile.write(line)
 
         fl = self.linenostart
         mw = len(str(lncount + fl - 1))
         sp = self.linenospecial
         st = self.linenostep
         la = self.lineanchors
         aln = self.anchorlinenos
         nocls = self.noclasses
         if sp:
             lines = []
 
             for i in range(fl, fl + lncount):
                 if i % st == 0:
                     if i % sp == 0:
                         if aln:
                             lines.append('<a href="#%s%d" class="special">%*d</a>' %
                                          (la, i, mw, i))
                         else:
                             lines.append('<span class="special">%*d</span>' % (mw, i))
                     else:
                         if aln:
                             lines.append('<a href="#%s%d">%*d</a>' % (la, i, mw, i))
                         else:
                             lines.append('%*d' % (mw, i))
                 else:
                     lines.append('')
             ls = '\n'.join(lines)
         else:
             lines = []
             for i in range(fl, fl + lncount):
                 if i % st == 0:
                     if aln:
                         lines.append('<a href="#%s%d">%*d</a>' % (la, i, mw, i))
                     else:
                         lines.append('%*d' % (mw, i))
                 else:
                     lines.append('')
             ls = '\n'.join(lines)
 
         # in case you wonder about the seemingly redundant <div> here: since the
         # content in the other cell also is wrapped in a div, some browsers in
         # some configurations seem to mess up the formatting...
         if nocls:
             yield 0, ('<table class="%stable">' % self.cssclass +
                       '<tr><td><div class="linenodiv" '
                       'style="background-color: #f0f0f0; padding-right: 10px">'
                       '<pre style="line-height: 125%">' +
                       ls + '</pre></div></td><td id="hlcode" class="code">')
         else:
             yield 0, ('<table class="%stable">' % self.cssclass +
                       '<tr><td class="linenos"><div class="linenodiv"><pre>' +
                       ls + '</pre></div></td><td id="hlcode" class="code">')
         yield 0, dummyoutfile.getvalue()
         yield 0, '</td></tr></table>'
 
 
 def pygmentize(filenode, **kwargs):
     """pygmentize function using pygments
 
     :param filenode:
     """
 
     return literal(code_highlight(filenode.content,
                                   filenode.lexer, CodeHtmlFormatter(**kwargs)))
 
 
 def pygmentize_annotation(repo_name, filenode, **kwargs):
     """
     pygmentize function for annotation
 
     :param filenode:
     """
 
     color_dict = {}
 
     def gen_color(n=10000):
         """generator for getting n of evenly distributed colors using
         hsv color and golden ratio. It always return same order of colors
 
         :returns: RGB tuple
         """
 
         def hsv_to_rgb(h, s, v):
             if s == 0.0:
                 return v, v, v
             i = int(h * 6.0)  # XXX assume int() truncates!
             f = (h * 6.0) - i
             p = v * (1.0 - s)
             q = v * (1.0 - s * f)
             t = v * (1.0 - s * (1.0 - f))
             i = i % 6
             if i == 0:
                 return v, t, p
             if i == 1:
                 return q, v, p
             if i == 2:
                 return p, v, t
             if i == 3:
                 return p, q, v
             if i == 4:
                 return t, p, v
             if i == 5:
                 return v, p, q
 
         golden_ratio = 0.618033988749895
         h = 0.22717784590367374
 
         for _ in xrange(n):
             h += golden_ratio
             h %= 1
             HSV_tuple = [h, 0.95, 0.95]
             RGB_tuple = hsv_to_rgb(*HSV_tuple)
             yield map(lambda x: str(int(x * 256)), RGB_tuple)
 
     cgenerator = gen_color()
 
     def get_color_string(cs):
         if cs in color_dict:
             col = color_dict[cs]
         else:
             col = color_dict[cs] = cgenerator.next()
         return "color: rgb(%s)! important;" % (', '.join(col))
 
     def url_func(repo_name):
 
         def _url_func(changeset):
             author = changeset.author
             date = changeset.date
             message = tooltip(changeset.message)
 
             tooltip_html = ("<div style='font-size:0.8em'><b>Author:</b>"
                             " %s<br/><b>Date:</b> %s</b><br/><b>Message:"
                             "</b> %s<br/></div>")
 
             tooltip_html = tooltip_html % (author, date, message)
             lnk_format = '%5s:%s' % ('r%s' % changeset.revision,
                                      short_id(changeset.raw_id))
             uri = link_to(
                     lnk_format,
                     url('changeset_home', repo_name=repo_name,
                         revision=changeset.raw_id),
                     style=get_color_string(changeset.raw_id),
                     class_='tooltip',
                     title=tooltip_html
                   )
 
             uri += '\n'
             return uri
         return _url_func
 
     return literal(annotate_highlight(filenode, url_func(repo_name), **kwargs))
 
 
 def is_following_repo(repo_name, user_id):
     from rhodecode.model.scm import ScmModel
     return ScmModel().is_following_repo(repo_name, user_id)
 
 flash = _Flash()
 
 #==============================================================================
 # SCM FILTERS available via h.
 #==============================================================================
 from rhodecode.lib.vcs.utils import author_name, author_email
 from rhodecode.lib.utils2 import credentials_filter, age as _age
 from rhodecode.model.db import User
 
 age = lambda  x: _age(x)
 capitalize = lambda x: x.capitalize()
 email = author_email
 short_id = lambda x: x[:12]
 hide_credentials = lambda x: ''.join(credentials_filter(x))
 
 
 def is_git(repository):
     if hasattr(repository, 'alias'):
         _type = repository.alias
     elif hasattr(repository, 'repo_type'):
         _type = repository.repo_type
     else:
         _type = repository
     return _type == 'git'
 
 
 def is_hg(repository):
     if hasattr(repository, 'alias'):
         _type = repository.alias
     elif hasattr(repository, 'repo_type'):
         _type = repository.repo_type
     else:
         _type = repository
     return _type == 'hg'
 
 
 def email_or_none(author):
     _email = email(author)
     if _email != '':
         return _email
 
     # See if it contains a username we can get an email from
     user = User.get_by_username(author_name(author), case_insensitive=True,
                                 cache=True)
     if user is not None:
         return user.email
 
     # No valid email, not a valid user in the system, none!
     return None
 
 
 def person(author):
     # attr to return from fetched user
     person_getter = lambda usr: usr.username
 
     # Valid email in the attribute passed, see if they're in the system
     _email = email(author)
     if _email != '':
         user = User.get_by_email(_email, case_insensitive=True, cache=True)
         if user is not None:
             return person_getter(user)
         return _email
 
     # Maybe it's a username?
     _author = author_name(author)
     user = User.get_by_username(_author, case_insensitive=True,
                                 cache=True)
     if user is not None:
         return person_getter(user)
 
     # Still nothing?  Just pass back the author name then
     return _author
 
 
 def bool2icon(value):
     """Returns True/False values represented as small html image of true/false
     icons
 
     :param value: bool value
     """
 
     if value is True:
         return HTML.tag('img', src=url("/images/icons/accept.png"),
                         alt=_('True'))
 
     if value is False:
         return HTML.tag('img', src=url("/images/icons/cancel.png"),
                         alt=_('False'))
 
     return value
 
 
 def action_parser(user_log, feed=False):
     """
     This helper will action_map the specified string action into translated
     fancy names with icons and links
 
     :param user_log: user log instance
     :param feed: use output for feeds (no html and fancy icons)
     """
 
     action = user_log.action
     action_params = ' '
 
     x = action.split(':')
 
     if len(x) > 1:
         action, action_params = x
 
     def get_cs_links():
         revs_limit = 3  # display this amount always
         revs_top_limit = 50  # show upto this amount of changesets hidden
         revs_ids = action_params.split(',')
         deleted = user_log.repository is None
         if deleted:
             return ','.join(revs_ids)
 
         repo_name = user_log.repository.repo_name
 
         repo = user_log.repository.scm_instance
 
         message = lambda rev: rev.message
         lnk = lambda rev, repo_name: (
             link_to('r%s:%s' % (rev.revision, rev.short_id),
                     url('changeset_home', repo_name=repo_name,
                         revision=rev.raw_id),
                     title=tooltip(message(rev)), class_='tooltip')
         )
-        # get only max revs_top_limit of changeset for performance/ui reasons
-        revs = [
-            x for x in repo.get_changesets(revs_ids[0],
-                                           revs_ids[:revs_top_limit][-1])
-        ]
+
+        revs = []
+        if len(filter(lambda v: v != '', revs_ids)) > 0:
+            # get only max revs_top_limit of changeset for performance/ui reasons
+            revs = [
+                x for x in repo.get_changesets(revs_ids[0],
+                                               revs_ids[:revs_top_limit][-1])
+            ]
 
         cs_links = []
         cs_links.append(" " + ', '.join(
             [lnk(rev, repo_name) for rev in revs[:revs_limit]]
             )
         )
 
         compare_view = (
             ' <div class="compare_view tooltip" title="%s">'
             '<a href="%s">%s</a> </div>' % (
                 _('Show all combined changesets %s->%s') % (
                     revs_ids[0], revs_ids[-1]
                 ),
                 url('changeset_home', repo_name=repo_name,
                     revision='%s...%s' % (revs_ids[0], revs_ids[-1])
                 ),
                 _('compare view')
             )
         )
 
         # if we have exactly one more than normally displayed
         # just display it, takes less space than displaying
         # "and 1 more revisions"
         if len(revs_ids) == revs_limit + 1:
             rev = revs[revs_limit]
             cs_links.append(", " + lnk(rev, repo_name))
 
         # hidden-by-default ones
         if len(revs_ids) > revs_limit + 1:
             uniq_id = revs_ids[0]
             html_tmpl = (
                 '<span> %s <a class="show_more" id="_%s" '
                 'href="#more">%s</a> %s</span>'
             )
             if not feed:
                 cs_links.append(html_tmpl % (
                       _('and'),
                       uniq_id, _('%s more') % (len(revs_ids) - revs_limit),
                       _('revisions')
                     )
                 )
 
             if not feed:
                 html_tmpl = '<span id="%s" style="display:none">, %s </span>'
             else:
                 html_tmpl = '<span id="%s"> %s </span>'
 
             morelinks = ', '.join(
               [lnk(rev, repo_name) for rev in revs[revs_limit:]]
             )
 
             if len(revs_ids) > revs_top_limit:
                 morelinks += ', ...'
 
             cs_links.append(html_tmpl % (uniq_id, morelinks))
         if len(revs) > 1:
             cs_links.append(compare_view)
         return ''.join(cs_links)
 
     def get_fork_name():
         repo_name = action_params
         return _('fork name ') + str(link_to(action_params, url('summary_home',
                                           repo_name=repo_name,)))
 
     action_map = {'user_deleted_repo': (_('[deleted] repository'), None),
            'user_created_repo': (_('[created] repository'), None),
            'user_created_fork': (_('[created] repository as fork'), None),
            'user_forked_repo': (_('[forked] repository'), get_fork_name),
            'user_updated_repo': (_('[updated] repository'), None),
            'admin_deleted_repo': (_('[delete] repository'), None),
            'admin_created_repo': (_('[created] repository'), None),
            'admin_forked_repo': (_('[forked] repository'), None),
            'admin_updated_repo': (_('[updated] repository'), None),
            'push': (_('[pushed] into'), get_cs_links),
            'push_local': (_('[committed via RhodeCode] into'), get_cs_links),
            'push_remote': (_('[pulled from remote] into'), get_cs_links),
            'pull': (_('[pulled] from'), None),
            'started_following_repo': (_('[started following] repository'), None),
            'stopped_following_repo': (_('[stopped following] repository'), None),
             }
 
     action_str = action_map.get(action, action)
     if feed:
         action = action_str[0].replace('[', '').replace(']', '')
     else:
         action = action_str[0]\
             .replace('[', '<span class="journal_highlight">')\
             .replace(']', '</span>')
 
     action_params_func = lambda: ""
 
     if callable(action_str[1]):
         action_params_func = action_str[1]
 
     return [literal(action), action_params_func]
 
 
 def action_parser_icon(user_log):
     action = user_log.action
     action_params = None
     x = action.split(':')
 
     if len(x) > 1:
         action, action_params = x
 
     tmpl = """<img src="%s%s" alt="%s"/>"""
     map = {'user_deleted_repo':'database_delete.png',
            'user_created_repo':'database_add.png',
            'user_created_fork':'arrow_divide.png',
            'user_forked_repo':'arrow_divide.png',
            'user_updated_repo':'database_edit.png',
            'admin_deleted_repo':'database_delete.png',
            'admin_created_repo':'database_add.png',
            'admin_forked_repo':'arrow_divide.png',
            'admin_updated_repo':'database_edit.png',
            'push':'script_add.png',
            'push_local':'script_edit.png',
            'push_remote':'connect.png',
            'pull':'down_16.png',
            'started_following_repo':'heart_add.png',
            'stopped_following_repo':'heart_delete.png',
             }
     return literal(tmpl % ((url('/images/icons/')),
                            map.get(action, action), action))
 
 
 #==============================================================================
 # PERMS
 #==============================================================================
 from rhodecode.lib.auth import HasPermissionAny, HasPermissionAll, \
 HasRepoPermissionAny, HasRepoPermissionAll
 
 
 #==============================================================================
 # GRAVATAR URL
 #==============================================================================
 
 def gravatar_url(email_address, size=30):
     if (not str2bool(config['app_conf'].get('use_gravatar')) or
         not email_address or email_address == '[e-mail]'):
         f = lambda a, l: min(l, key=lambda x: abs(x - a))
         return url("/images/user%s.png" % f(size, [14, 16, 20, 24, 30]))
 
     ssl_enabled = 'https' == request.environ.get('wsgi.url_scheme')
     default = 'identicon'
     baseurl_nossl = "http://www.gravatar.com/avatar/"
     baseurl_ssl = "https://secure.gravatar.com/avatar/"
     baseurl = baseurl_ssl if ssl_enabled else baseurl_nossl
 
     if isinstance(email_address, unicode):
         #hashlib crashes on unicode items
         email_address = safe_str(email_address)
     # construct the url
     gravatar_url = baseurl + hashlib.md5(email_address.lower()).hexdigest() + "?"
     gravatar_url += urllib.urlencode({'d': default, 's': str(size)})
 
     return gravatar_url
 
 
 #==============================================================================
 # REPO PAGER, PAGER FOR REPOSITORY
 #==============================================================================
 class RepoPage(Page):
 
     def __init__(self, collection, page=1, items_per_page=20,
                  item_count=None, url=None, **kwargs):
 
         """Create a "RepoPage" instance. special pager for paging
         repository
         """
         self._url_generator = url
 
         # Safe the kwargs class-wide so they can be used in the pager() method
         self.kwargs = kwargs
 
         # Save a reference to the collection
         self.original_collection = collection
 
         self.collection = collection
 
         # The self.page is the number of the current page.
         # The first page has the number 1!
         try:
             self.page = int(page)  # make it int() if we get it as a string
         except (ValueError, TypeError):
             self.page = 1
 
         self.items_per_page = items_per_page
 
         # Unless the user tells us how many items the collections has
         # we calculate that ourselves.
         if item_count is not None:
             self.item_count = item_count
         else:
             self.item_count = len(self.collection)
 
         # Compute the number of the first and last available page
         if self.item_count > 0:
             self.first_page = 1
             self.page_count = int(math.ceil(float(self.item_count) /
                                             self.items_per_page))
             self.last_page = self.first_page + self.page_count - 1
 
             # Make sure that the requested page number is the range of
             # valid pages
             if self.page > self.last_page:
                 self.page = self.last_page
             elif self.page < self.first_page:
                 self.page = self.first_page
 
             # Note: the number of items on this page can be less than
             #       items_per_page if the last page is not full
             self.first_item = max(0, (self.item_count) - (self.page *
                                                           items_per_page))
             self.last_item = ((self.item_count - 1) - items_per_page *
                               (self.page - 1))
 
             self.items = list(self.collection[self.first_item:self.last_item + 1])
 
             # Links to previous and next page
             if self.page > self.first_page:
                 self.previous_page = self.page - 1
             else:
                 self.previous_page = None
 
             if self.page < self.last_page:
                 self.next_page = self.page + 1
             else:
                 self.next_page = None
 
         # No items available
         else:
             self.first_page = None
             self.page_count = 0
             self.last_page = None
             self.first_item = None
             self.last_item = None
             self.previous_page = None
             self.next_page = None
             self.items = []
 
         # This is a subclass of the 'list' type. Initialise the list now.
         list.__init__(self, reversed(self.items))
 
 
 def changed_tooltip(nodes):
     """
     Generates a html string for changed nodes in changeset page.
     It limits the output to 30 entries
 
     :param nodes: LazyNodesGenerator
     """
     if nodes:
         pref = ': <br/> '
         suf = ''
         if len(nodes) > 30:
             suf = '<br/>' + _(' and %s more') % (len(nodes) - 30)
         return literal(pref + '<br/> '.join([safe_unicode(x.path)
                                              for x in nodes[:30]]) + suf)
     else:
         return ': ' + _('No Files')
 
 
 def repo_link(groups_and_repos):
     """
     Makes a breadcrumbs link to repo within a group
     joins &raquo; on each group to create a fancy link
 
     ex::
         group >> subgroup >> repo
 
     :param groups_and_repos:
     """
     groups, repo_name = groups_and_repos
 
     if not groups:
         return repo_name
     else:
         def make_link(group):
             return link_to(group.name, url('repos_group_home',
                                            group_name=group.group_name))
         return literal(' &raquo; '.join(map(make_link, groups)) + \
                        " &raquo; " + repo_name)
 
 
 def fancy_file_stats(stats):
     """
     Displays a fancy two colored bar for number of added/deleted
     lines of code on file
 
     :param stats: two element list of added/deleted lines of code
     """
 
     a, d, t = stats[0], stats[1], stats[0] + stats[1]
     width = 100
     unit = float(width) / (t or 1)
 
     # needs > 9% of width to be visible or 0 to be hidden
     a_p = max(9, unit * a) if a > 0 else 0
     d_p = max(9, unit * d) if d > 0 else 0
     p_sum = a_p + d_p
 
     if p_sum > width:
         #adjust the percentage to be == 100% since we adjusted to 9
         if a_p > d_p:
             a_p = a_p - (p_sum - width)
         else:
             d_p = d_p - (p_sum - width)
 
     a_v = a if a > 0 else ''
     d_v = d if d > 0 else ''
 
     def cgen(l_type):
         mapping = {'tr': 'top-right-rounded-corner-mid',
                    'tl': 'top-left-rounded-corner-mid',
                    'br': 'bottom-right-rounded-corner-mid',
                    'bl': 'bottom-left-rounded-corner-mid'}
         map_getter = lambda x: mapping[x]
 
         if l_type == 'a' and d_v:
             #case when added and deleted are present
             return ' '.join(map(map_getter, ['tl', 'bl']))
 
         if l_type == 'a' and not d_v:
             return ' '.join(map(map_getter, ['tr', 'br', 'tl', 'bl']))
 
         if l_type == 'd' and a_v:
             return ' '.join(map(map_getter, ['tr', 'br']))
 
         if l_type == 'd' and not a_v:
             return ' '.join(map(map_getter, ['tr', 'br', 'tl', 'bl']))
 
     d_a = '<div class="added %s" style="width:%s%%">%s</div>' % (
         cgen('a'), a_p, a_v
     )
     d_d = '<div class="deleted %s" style="width:%s%%">%s</div>' % (
         cgen('d'), d_p, d_v
     )
     return literal('<div style="width:%spx">%s%s</div>' % (width, d_a, d_d))
 
 
 def urlify_text(text_):
     import re
 
     url_pat = re.compile(r'''(http[s]?://(?:[a-zA-Z]|[0-9]|[$-_@.&+]'''
                          '''|[!*\(\),]|(?:%[0-9a-fA-F][0-9a-fA-F]))+)''')
 
     def url_func(match_obj):
         url_full = match_obj.groups()[0]
         return '<a href="%(url)s">%(url)s</a>' % ({'url': url_full})
 
     return literal(url_pat.sub(url_func, text_))
 
 
 def urlify_changesets(text_, repository):
     """
     Extract revision ids from changeset and make link from them
 
     :param text_:
     :param repository:
     """
     import re
     URL_PAT = re.compile(r'([0-9a-fA-F]{12,})')
 
     def url_func(match_obj):
         rev = match_obj.groups()[0]
         pref = ''
         if match_obj.group().startswith(' '):
             pref = ' '
         tmpl = (
         '%(pref)s<a class="%(cls)s" href="%(url)s">'
         '%(rev)s'
         '</a>'
         )
         return tmpl % {
          'pref': pref,
          'cls': 'revision-link',
          'url': url('changeset_home', repo_name=repository, revision=rev),
          'rev': rev,
         }
 
     newtext = URL_PAT.sub(url_func, text_)
 
     return newtext
 
 
 def urlify_commit(text_, repository=None, link_=None):
     """
     Parses given text message and makes proper links.
     issues are linked to given issue-server, and rest is a changeset link
     if link_ is given, in other case it's a plain text
 
     :param text_:
     :param repository:
     :param link_: changeset link
     """
     import re
     import traceback
 
     def escaper(string):
         return string.replace('<', '&lt;').replace('>', '&gt;')
 
     def linkify_others(t, l):
         urls = re.compile(r'(\<a.*?\<\/a\>)',)
         links = []
         for e in urls.split(t):
             if not urls.match(e):
                 links.append('<a class="message-link" href="%s">%s</a>' % (l, e))
             else:
                 links.append(e)
 
         return ''.join(links)
 
 
     # urlify changesets - extrac revisions and make link out of them
     text_ = urlify_changesets(escaper(text_), repository)
 
     try:
         conf = config['app_conf']
 
         URL_PAT = re.compile(r'%s' % conf.get('issue_pat'))
 
         if URL_PAT:
             ISSUE_SERVER_LNK = conf.get('issue_server_link')
             ISSUE_PREFIX = conf.get('issue_prefix')
 
             def url_func(match_obj):
                 pref = ''
                 if match_obj.group().startswith(' '):
                     pref = ' '
 
                 issue_id = ''.join(match_obj.groups())
                 tmpl = (
                 '%(pref)s<a class="%(cls)s" href="%(url)s">'
                 '%(issue-prefix)s%(id-repr)s'
                 '</a>'
                 )
                 url = ISSUE_SERVER_LNK.replace('{id}', issue_id)
                 if repository:
                     url = url.replace('{repo}', repository)
 
                 return tmpl % {
                      'pref': pref,
                      'cls': 'issue-tracker-link',
                      'url': url,
                      'id-repr': issue_id,
                      'issue-prefix': ISSUE_PREFIX,
                      'serv': ISSUE_SERVER_LNK,
                 }
 
             newtext = URL_PAT.sub(url_func, text_)
 
             if link_:
                 # wrap not links into final link => link_
                 newtext = linkify_others(newtext, link_)
 
             return literal(newtext)
     except:
         log.error(traceback.format_exc())
         pass
 
     return text_
 
 
 def rst(source):
     return literal('<div class="rst-block">%s</div>' %
                    MarkupRenderer.rst(source))
 
 
 def rst_w_mentions(source):
     """
     Wrapped rst renderer with @mention highlighting
 
     :param source:
     """
     return literal('<div class="rst-block">%s</div>' %
                    MarkupRenderer.rst_with_mentions(source))

rhodecode/lib/hooks.py

@@ -1,184 +1,190 b''
 # -*- coding: utf-8 -*-
 """
     rhodecode.lib.hooks
     ~~~~~~~~~~~~~~~~~~~
 
     Hooks runned by rhodecode
 
     :created_on: Aug 6, 2010
     :author: marcink
     :copyright: (C) 2010-2012 Marcin Kuzminski <[e-mail]>
     :license: GPLv3, see COPYING for more details.
 """
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation, either version 3 of the License, or
 # (at your option) any later version.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 import os
 import sys
 
 from mercurial.scmutil import revrange
 from mercurial.node import nullrev
 from rhodecode import EXTENSIONS
 from rhodecode.lib import helpers as h
 from rhodecode.lib.utils import action_logger
 from inspect import isfunction
 
 
 def _get_scm_size(alias, root_path):
 
     if not alias.startswith('.'):
         alias += '.'
 
     size_scm, size_root = 0, 0
     for path, dirs, files in os.walk(root_path):
         if path.find(alias) != -1:
             for f in files:
                 try:
                     size_scm += os.path.getsize(os.path.join(path, f))
                 except OSError:
                     pass
         else:
             for f in files:
                 try:
                     size_root += os.path.getsize(os.path.join(path, f))
                 except OSError:
                     pass
 
     size_scm_f = h.format_byte_size(size_scm)
     size_root_f = h.format_byte_size(size_root)
     size_total_f = h.format_byte_size(size_root + size_scm)
 
     return size_scm_f, size_root_f, size_total_f
 
 
 def repo_size(ui, repo, hooktype=None, **kwargs):
     """
     Presents size of repository after push
 
     :param ui:
     :param repo:
     :param hooktype:
     """
 
     size_hg_f, size_root_f, size_total_f = _get_scm_size('.hg', repo.root)
 
     last_cs = repo[len(repo) - 1]
 
     msg = ('Repository size .hg:%s repo:%s total:%s\n'
            'Last revision is now r%s:%s\n') % (
         size_hg_f, size_root_f, size_total_f, last_cs.rev(), last_cs.hex()[:12]
     )
 
     sys.stdout.write(msg)
 
 
 def log_pull_action(ui, repo, **kwargs):
     """
     Logs user last pull action
 
     :param ui:
     :param repo:
     """
 
     extras = dict(repo.ui.configitems('rhodecode_extras'))
     username = extras['username']
     repository = extras['repository']
+    scm = extras['scm']
     action = 'pull'
 
     action_logger(username, action, repository, extras['ip'], commit=True)
     # extension hook call
     callback = getattr(EXTENSIONS, 'PULL_HOOK', None)
 
     if isfunction(callback):
         kw = {}
         kw.update(extras)
         callback(**kw)
     return 0
 
 
 def log_push_action(ui, repo, **kwargs):
     """
     Maps user last push action to new changeset id, from mercurial
 
     :param ui:
     :param repo:
     """
 
     extras = dict(repo.ui.configitems('rhodecode_extras'))
     username = extras['username']
     repository = extras['repository']
     action = extras['action'] + ':%s'
-    node = kwargs['node']
+    scm = extras['scm']
 
-    def get_revs(repo, rev_opt):
-        if rev_opt:
-            revs = revrange(repo, rev_opt)
+    if scm == 'hg':
+        node = kwargs['node']
+
+        def get_revs(repo, rev_opt):
+            if rev_opt:
+                revs = revrange(repo, rev_opt)
 
-            if len(revs) == 0:
-                return (nullrev, nullrev)
-            return (max(revs), min(revs))
-        else:
-            return (len(repo) - 1, 0)
+                if len(revs) == 0:
+                    return (nullrev, nullrev)
+                return (max(revs), min(revs))
+            else:
+                return (len(repo) - 1, 0)
 
-    stop, start = get_revs(repo, [node + ':'])
+        stop, start = get_revs(repo, [node + ':'])
 
-    revs = (str(repo[r]) for r in xrange(start, stop + 1))
+        revs = (str(repo[r]) for r in xrange(start, stop + 1))
+    elif scm == 'git':
+        revs = []
 
     action = action % ','.join(revs)
 
     action_logger(username, action, repository, extras['ip'], commit=True)
 
     # extension hook call
     callback = getattr(EXTENSIONS, 'PUSH_HOOK', None)
     if isfunction(callback):
         kw = {'pushed_revs': revs}
         kw.update(extras)
         callback(**kw)
     return 0
 
 
 def log_create_repository(repository_dict, created_by, **kwargs):
     """
     Post create repository Hook. This is a dummy function for admins to re-use
     if needed. It's taken from rhodecode-extensions module and executed
     if present
 
     :param repository: dict dump of repository object
     :param created_by: username who created repository
     :param created_date: date of creation
 
     available keys of repository_dict:
 
      'repo_type',
      'description',
      'private',
      'created_on',
      'enable_downloads',
      'repo_id',
      'user_id',
      'enable_statistics',
      'clone_uri',
      'fork_id',
      'group_id',
      'repo_name'
 
     """
 
     callback = getattr(EXTENSIONS, 'CREATE_REPO_HOOK', None)
     if isfunction(callback):
         kw = {}
         kw.update(repository_dict)
         kw.update({'created_by': created_by})
         kw.update(kwargs)
         return callback(**kw)
 
     return 0

rhodecode/lib/middleware/simplegit.py

@@ -1,251 +1,287 b''
 # -*- coding: utf-8 -*-
 """
     rhodecode.lib.middleware.simplegit
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
     SimpleGit middleware for handling git protocol request (push/clone etc.)
     It's implemented with basic auth function
 
     :created_on: Apr 28, 2010
     :author: marcink
     :copyright: (C) 2010-2012 Marcin Kuzminski <[e-mail]>
     :license: GPLv3, see COPYING for more details.
 """
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation, either version 3 of the License, or
 # (at your option) any later version.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import os
 import re
 import logging
 import traceback
 
 from dulwich import server as dulserver
 
 
 class SimpleGitUploadPackHandler(dulserver.UploadPackHandler):
 
     def handle(self):
         write = lambda x: self.proto.write_sideband(1, x)
 
         graph_walker = dulserver.ProtocolGraphWalker(self,
                                                      self.repo.object_store,
                                                      self.repo.get_peeled)
         objects_iter = self.repo.fetch_objects(
           graph_walker.determine_wants, graph_walker, self.progress,
           get_tagged=self.get_tagged)
 
         # Did the process short-circuit (e.g. in a stateless RPC call)? Note
         # that the client still expects a 0-object pack in most cases.
         if objects_iter is None:
             return
 
         self.progress("counting objects: %d, done.\n" % len(objects_iter))
         dulserver.write_pack_objects(dulserver.ProtocolFile(None, write),
                                      objects_iter)
         messages = []
         messages.append('thank you for using rhodecode')
 
         for msg in messages:
             self.progress(msg + "\n")
         # we are done
         self.proto.write("0000")
 
 
 dulserver.DEFAULT_HANDLERS = {
   'git-upload-pack': SimpleGitUploadPackHandler,
   'git-receive-pack': dulserver.ReceivePackHandler,
 }
 
 from dulwich.repo import Repo
 from dulwich.web import make_wsgi_chain
 
 from paste.httpheaders import REMOTE_USER, AUTH_TYPE
 
 from rhodecode.lib.utils2 import safe_str
 from rhodecode.lib.base import BaseVCSController
 from rhodecode.lib.auth import get_container_username
-from rhodecode.lib.utils import is_valid_repo
+from rhodecode.lib.utils import is_valid_repo, make_ui
 from rhodecode.model.db import User
 
 from webob.exc import HTTPNotFound, HTTPForbidden, HTTPInternalServerError
 
 log = logging.getLogger(__name__)
 
 
 GIT_PROTO_PAT = re.compile(r'^/(.+)/(info/refs|git-upload-pack|git-receive-pack)')
 
 
 def is_git(environ):
     path_info = environ['PATH_INFO']
     isgit_path = GIT_PROTO_PAT.match(path_info)
     log.debug('pathinfo: %s detected as GIT %s' % (
         path_info, isgit_path != None)
     )
     return isgit_path
 
 
 class SimpleGit(BaseVCSController):
 
     def _handle_request(self, environ, start_response):
 
         if not is_git(environ):
             return self.application(environ, start_response)
 
         ipaddr = self._get_ip_addr(environ)
         username = None
+        self._git_first_op = False
         # skip passing error to error controller
         environ['pylons.status_code_redirect'] = True
 
         #======================================================================
         # EXTRACT REPOSITORY NAME FROM ENV
         #======================================================================
         try:
             repo_name = self.__get_repository(environ)
             log.debug('Extracted repo name is %s' % repo_name)
         except:
             return HTTPInternalServerError()(environ, start_response)
 
         # quick check if that dir exists...
         if is_valid_repo(repo_name, self.basepath) is False:
             return HTTPNotFound()(environ, start_response)
 
         #======================================================================
         # GET ACTION PULL or PUSH
         #======================================================================
         action = self.__get_action(environ)
 
         #======================================================================
         # CHECK ANONYMOUS PERMISSION
         #======================================================================
         if action in ['pull', 'push']:
             anonymous_user = self.__get_user('default')
             username = anonymous_user.username
             anonymous_perm = self._check_permission(action, anonymous_user,
                                                     repo_name)
 
             if anonymous_perm is not True or anonymous_user.active is False:
                 if anonymous_perm is not True:
                     log.debug('Not enough credentials to access this '
                               'repository as anonymous user')
                 if anonymous_user.active is False:
                     log.debug('Anonymous access is disabled, running '
                               'authentication')
                 #==============================================================
                 # DEFAULT PERM FAILED OR ANONYMOUS ACCESS IS DISABLED SO WE
                 # NEED TO AUTHENTICATE AND ASK FOR AUTH USER PERMISSIONS
                 #==============================================================
 
                 # Attempting to retrieve username from the container
                 username = get_container_username(environ, self.config)
 
                 # If not authenticated by the container, running basic auth
                 if not username:
                     self.authenticate.realm = \
                         safe_str(self.config['rhodecode_realm'])
                     result = self.authenticate(environ)
                     if isinstance(result, str):
                         AUTH_TYPE.update(environ, 'basic')
                         REMOTE_USER.update(environ, result)
                         username = result
                     else:
                         return result.wsgi_application(environ, start_response)
 
                 #==============================================================
                 # CHECK PERMISSIONS FOR THIS REQUEST USING GIVEN USERNAME
                 #==============================================================
                 if action in ['pull', 'push']:
                     try:
                         user = self.__get_user(username)
                         if user is None or not user.active:
                             return HTTPForbidden()(environ, start_response)
                         username = user.username
                     except:
                         log.error(traceback.format_exc())
                         return HTTPInternalServerError()(environ,
                                                          start_response)
 
                     #check permissions for this repository
                     perm = self._check_permission(action, user, repo_name)
                     if perm is not True:
                         return HTTPForbidden()(environ, start_response)
+        extras = {
+            'ip': ipaddr,
+            'username': username,
+            'action': action,
+            'repository': repo_name,
+            'scm': 'git',
+        }
 
         #===================================================================
         # GIT REQUEST HANDLING
         #===================================================================
         repo_path = os.path.join(safe_str(self.basepath), safe_str(repo_name))
         log.debug('Repository path is %s' % repo_path)
 
+        baseui = make_ui('db')
+        for k, v in extras.items():
+            baseui.setconfig('rhodecode_extras', k, v)
+
         try:
-            #invalidate cache on push
+            # invalidate cache on push
             if action == 'push':
                 self._invalidate_cache(repo_name)
+            self._handle_githooks(action, baseui, environ)
+
             log.info('%s action on GIT repo "%s"' % (action, repo_name))
             app = self.__make_app(repo_name, repo_path)
             return app(environ, start_response)
         except Exception:
             log.error(traceback.format_exc())
             return HTTPInternalServerError()(environ, start_response)
 
     def __make_app(self, repo_name, repo_path):
         """
         Make an wsgi application using dulserver
 
         :param repo_name: name of the repository
         :param repo_path: full path to the repository
         """
         _d = {'/' + repo_name: Repo(repo_path)}
         backend = dulserver.DictBackend(_d)
         gitserve = make_wsgi_chain(backend)
 
         return gitserve
 
     def __get_repository(self, environ):
         """
         Get's repository name out of PATH_INFO header
 
         :param environ: environ where PATH_INFO is stored
         """
         try:
             environ['PATH_INFO'] = self._get_by_id(environ['PATH_INFO'])
             repo_name = GIT_PROTO_PAT.match(environ['PATH_INFO']).group(1)
         except:
             log.error(traceback.format_exc())
             raise
 
         return repo_name
 
     def __get_user(self, username):
         return User.get_by_username(username)
 
     def __get_action(self, environ):
         """
         Maps git request commands into a pull or push command.
 
         :param environ:
         """
         service = environ['QUERY_STRING'].split('=')
 
         if len(service) > 1:
             service_cmd = service[1]
             mapping = {
                 'git-receive-pack': 'push',
                 'git-upload-pack': 'pull',
             }
             op = mapping[service_cmd]
             self._git_stored_op = op
             return op
         else:
             # try to fallback to stored variable as we don't know if the last
             # operation is pull/push
             op = getattr(self, '_git_stored_op', 'pull')
         return op
+
+    def _handle_githooks(self, action, baseui, environ):
+
+        from rhodecode.lib.hooks import log_pull_action, log_push_action
+        service = environ['QUERY_STRING'].split('=')
+        if len(service) < 2:
+            return
+
+        class cont(object):
+            pass
+
+        repo = cont()
+        setattr(repo, 'ui', baseui)
+
+        push_hook = 'pretxnchangegroup.push_logger'
+        pull_hook = 'preoutgoing.pull_logger'
+        _hooks = dict(baseui.configitems('hooks')) or {}
+        if action == 'push' and _hooks.get(push_hook):
+            log_push_action(ui=baseui, repo=repo)
+        elif action == 'pull' and _hooks.get(pull_hook):
+            log_pull_action(ui=baseui, repo=repo)
+

rhodecode/lib/middleware/simplehg.py

@@ -1,256 +1,257 b''
 # -*- coding: utf-8 -*-
 """
     rhodecode.lib.middleware.simplehg
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
     SimpleHG middleware for handling mercurial protocol request
     (push/clone etc.). It's implemented with basic auth function
 
     :created_on: Apr 28, 2010
     :author: marcink
     :copyright: (C) 2010-2012 Marcin Kuzminski <[e-mail]>
     :license: GPLv3, see COPYING for more details.
 """
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation, either version 3 of the License, or
 # (at your option) any later version.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import os
 import logging
 import traceback
 import urllib
 
 from mercurial.error import RepoError
 from mercurial.hgweb import hgweb_mod
 
 from paste.httpheaders import REMOTE_USER, AUTH_TYPE
 
 from rhodecode.lib.utils2 import safe_str
 from rhodecode.lib.base import BaseVCSController
 from rhodecode.lib.auth import get_container_username
 from rhodecode.lib.utils import make_ui, is_valid_repo, ui_sections
 from rhodecode.model.db import User
 
 from webob.exc import HTTPNotFound, HTTPForbidden, HTTPInternalServerError
 
 log = logging.getLogger(__name__)
 
 
 def is_mercurial(environ):
     """
     Returns True if request's target is mercurial server - header
     ``HTTP_ACCEPT`` of such request would start with ``application/mercurial``.
     """
     http_accept = environ.get('HTTP_ACCEPT')
     path_info = environ['PATH_INFO']
     if http_accept and http_accept.startswith('application/mercurial'):
         ishg_path = True
     else:
         ishg_path = False
 
     log.debug('pathinfo: %s detected as HG %s' % (
         path_info, ishg_path)
     )
     return ishg_path
 
 
 class SimpleHg(BaseVCSController):
 
     def _handle_request(self, environ, start_response):
         if not is_mercurial(environ):
             return self.application(environ, start_response)
 
         ipaddr = self._get_ip_addr(environ)
 
         # skip passing error to error controller
         environ['pylons.status_code_redirect'] = True
 
         #======================================================================
         # EXTRACT REPOSITORY NAME FROM ENV
         #======================================================================
         try:
             repo_name = environ['REPO_NAME'] = self.__get_repository(environ)
             log.debug('Extracted repo name is %s' % repo_name)
         except:
             return HTTPInternalServerError()(environ, start_response)
 
         # quick check if that dir exists...
         if is_valid_repo(repo_name, self.basepath) is False:
             return HTTPNotFound()(environ, start_response)
 
         #======================================================================
         # GET ACTION PULL or PUSH
         #======================================================================
         action = self.__get_action(environ)
 
         #======================================================================
         # CHECK ANONYMOUS PERMISSION
         #======================================================================
         if action in ['pull', 'push']:
             anonymous_user = self.__get_user('default')
             username = anonymous_user.username
             anonymous_perm = self._check_permission(action, anonymous_user,
                                                     repo_name)
 
             if anonymous_perm is not True or anonymous_user.active is False:
                 if anonymous_perm is not True:
                     log.debug('Not enough credentials to access this '
                               'repository as anonymous user')
                 if anonymous_user.active is False:
                     log.debug('Anonymous access is disabled, running '
                               'authentication')
                 #==============================================================
                 # DEFAULT PERM FAILED OR ANONYMOUS ACCESS IS DISABLED SO WE
                 # NEED TO AUTHENTICATE AND ASK FOR AUTH USER PERMISSIONS
                 #==============================================================
 
                 # Attempting to retrieve username from the container
                 username = get_container_username(environ, self.config)
 
                 # If not authenticated by the container, running basic auth
                 if not username:
                     self.authenticate.realm = \
                         safe_str(self.config['rhodecode_realm'])
                     result = self.authenticate(environ)
                     if isinstance(result, str):
                         AUTH_TYPE.update(environ, 'basic')
                         REMOTE_USER.update(environ, result)
                         username = result
                     else:
                         return result.wsgi_application(environ, start_response)
 
                 #==============================================================
                 # CHECK PERMISSIONS FOR THIS REQUEST USING GIVEN USERNAME
                 #==============================================================
                 if action in ['pull', 'push']:
                     try:
                         user = self.__get_user(username)
                         if user is None or not user.active:
                             return HTTPForbidden()(environ, start_response)
                         username = user.username
                     except:
                         log.error(traceback.format_exc())
                         return HTTPInternalServerError()(environ,
                                                          start_response)
 
                     #check permissions for this repository
                     perm = self._check_permission(action, user, repo_name)
                     if perm is not True:
                         return HTTPForbidden()(environ, start_response)
 
         # extras are injected into mercurial UI object and later available
         # in hg hooks executed by rhodecode
         extras = {
             'ip': ipaddr,
             'username': username,
             'action': action,
-            'repository': repo_name
+            'repository': repo_name,
+            'scm': 'hg',
         }
 
         #======================================================================
         # MERCURIAL REQUEST HANDLING
         #======================================================================
         repo_path = os.path.join(safe_str(self.basepath), safe_str(repo_name))
         log.debug('Repository path is %s' % repo_path)
 
         baseui = make_ui('db')
         self.__inject_extras(repo_path, baseui, extras)
 
         try:
             # invalidate cache on push
             if action == 'push':
                 self._invalidate_cache(repo_name)
             log.info('%s action on HG repo "%s"' % (action, repo_name))
             app = self.__make_app(repo_path, baseui, extras)
             return app(environ, start_response)
         except RepoError, e:
             if str(e).find('not found') != -1:
                 return HTTPNotFound()(environ, start_response)
         except Exception:
             log.error(traceback.format_exc())
             return HTTPInternalServerError()(environ, start_response)
 
     def __make_app(self, repo_name, baseui, extras):
         """
         Make an wsgi application using hgweb, and inject generated baseui
         instance, additionally inject some extras into ui object
         """
         return hgweb_mod.hgweb(repo_name, name=repo_name, baseui=baseui)
 
     def __get_repository(self, environ):
         """
         Get's repository name out of PATH_INFO header
 
         :param environ: environ where PATH_INFO is stored
         """
         try:
             environ['PATH_INFO'] = self._get_by_id(environ['PATH_INFO'])
             repo_name = '/'.join(environ['PATH_INFO'].split('/')[1:])
             if repo_name.endswith('/'):
                 repo_name = repo_name.rstrip('/')
         except:
             log.error(traceback.format_exc())
             raise
 
         return repo_name
 
     def __get_user(self, username):
         return User.get_by_username(username)
 
     def __get_action(self, environ):
         """
         Maps mercurial request commands into a clone,pull or push command.
         This should always return a valid command string
 
         :param environ:
         """
         mapping = {'changegroup': 'pull',
                    'changegroupsubset': 'pull',
                    'stream_out': 'pull',
                    'listkeys': 'pull',
                    'unbundle': 'push',
                    'pushkey': 'push', }
         for qry in environ['QUERY_STRING'].split('&'):
             if qry.startswith('cmd'):
                 cmd = qry.split('=')[-1]
                 if cmd in mapping:
                     return mapping[cmd]
                 else:
                     return 'pull'
 
     def __inject_extras(self, repo_path, baseui, extras={}):
         """
         Injects some extra params into baseui instance
 
         also overwrites global settings with those takes from local hgrc file
 
         :param baseui: baseui instance
         :param extras: dict with extra params to put into baseui
         """
 
         hgrc = os.path.join(repo_path, '.hg', 'hgrc')
 
         # make our hgweb quiet so it doesn't print output
         baseui.setconfig('ui', 'quiet', 'true')
 
         #inject some additional parameters that will be available in ui
         #for hooks
         for k, v in extras.items():
             baseui.setconfig('rhodecode_extras', k, v)
 
         repoui = make_ui('file', hgrc, False)
 
         if repoui:
             #overwrite our ui instance with the section from hgrc file
             for section in ui_sections:
                 for k, v in repoui.configitems(section):
                     baseui.setconfig(section, k, v)