예제 #1
0
    def process_request(self, req):
        pieces = [item for item in req.path_info.split('/tracmath') if item]

        if pieces:
            pieces = [item for item in pieces[0].split('/') if item]
            if pieces:
                name = pieces[0]
                img_path = os.path.join(self.cacheDirectory, name)
                return req.send_file(img_path,
                        mimeview.get_mimetype(img_path))
        return
예제 #2
0
    def process_request(self, req):
        errmsg = self._load_config()
        if errmsg:
            return self._show_err(errmsg)

        pieces = [item for item in req.path_info.split('/tracmath') if item]

        if pieces:
            pieces = [item for item in pieces[0].split('/') if item]
            if pieces:
                name = pieces[0]
                img_path = os.path.join(self.cache_dir, name)
                return req.send_file(img_path, mimeview.get_mimetype(img_path))
        return
예제 #3
0
 def get_icon_data(self, req):
     icon = {}
     icon_src = icon_abs_src = self.env.project_icon
     if icon_src:
         if not icon_src.startswith('/') and icon_src.find('://') == -1:
             if '/' in icon_src:
                 icon_abs_src = req.abs_href.chrome(icon_src)
                 icon_src = req.href.chrome(icon_src)
             else:
                 icon_abs_src = req.abs_href.chrome('common', icon_src)
                 icon_src = req.href.chrome('common', icon_src)
         mimetype = get_mimetype(icon_src)
         icon = {'src': icon_src, 'abs_src': icon_abs_src,
                 'mimetype': mimetype}
     return icon
예제 #4
0
    def process_request(self, req):
        errmsg = self._load_config()
        if errmsg:
            return self._show_err(errmsg)

        pieces = [item for item in req.path_info.split('/tracmath') if item]

        if pieces:
            pieces = [item for item in pieces[0].split('/') if item]
            if pieces:
                name = pieces[0]
                img_path = os.path.join(self.cache_dir, name)
                return req.send_file(img_path,
                        mimeview.get_mimetype(img_path))
        return
예제 #5
0
    def process_request(self, req):
        # check and load the configuration
        trouble, msg = self.load_config()
        if trouble:
            return msg.getvalue()

        pieces = [item for item in req.path_info.split('/gantt') if len(item)]

        if len(pieces):
            pieces = [item for item in pieces[0].split('/') if len(item)]

            if len(pieces):
                name = pieces[0]
                img_path = os.path.join(self.cache_dir, name)
                return req.send_file(img_path, mimeview.get_mimetype(img_path))
        return
예제 #6
0
    def process_request(self, req):
        prefix = req.args['prefix']
        filename = req.args['filename']

        dirs = []
        for provider in self.template_providers:
            for dir in [os.path.normpath(dir[1]) for dir
                        in provider.get_htdocs_dirs() if dir[0] == prefix]:
                dirs.append(dir)
                path = os.path.normpath(os.path.join(dir, filename))
                assert os.path.commonprefix([dir, path]) == dir
                if os.path.isfile(path):
                    req.send_file(path, get_mimetype(path))

        self.log.warning('File %s not found in any of %s', filename, dirs)
        raise HTTPNotFound('File %s not found', filename)
예제 #7
0
파일: gantt.py 프로젝트: nyuhuhuu/trachacks
    def process_request(self, req):
        # check and load the configuration
        trouble, msg = self.load_config()
        if trouble:
            return msg.getvalue()

        pieces = [item for item in req.path_info.split('/gantt') if len(item)]

        if len(pieces):
            pieces = [item for item in pieces[0].split('/') if len(item)]

            if len(pieces):
                name = pieces[0]
                img_path = os.path.join(self.cache_dir, name)
                return req.send_file(img_path, mimeview.get_mimetype(img_path))
        return
예제 #8
0
    def process_request(self, req):
        prefix = req.args['prefix']
        filename = req.args['filename']

        dirs = []
        for provider in self.template_providers:
            for dir in [os.path.normpath(dir[1]) for dir
                        in provider.get_htdocs_dirs() if dir[0] == prefix]:
                dirs.append(dir)
                path = os.path.normpath(os.path.join(dir, filename))
                assert os.path.commonprefix([dir, path]) == dir
                if os.path.isfile(path):
                    req.send_file(path, mimeview.get_mimetype(path))

        self.log.warning('File %s not found in any of %s', filename, dirs)
        raise HTTPNotFound(u'Fichier %s non trouvé', filename)
예제 #9
0
def source( req, argument_text, env, aswiki =False):
    from trac.versioncontrol.web_ui.util import get_existing_node, get_path_rev_line
        ## XXX above .util is shaded by trac.util?

    path,rev,line = get_path_rev_line( argument_text)
    from trac.mimeview import Mimeview, get_mimetype, content_to_unicode

    repos = env.get_repository() # req.authname)
    node = get_existing_node( env, repos, path, rev)
    content = node.get_content().read()
    if aswiki:
        mimetype = 'text/x-trac-wiki'
        r = wiki_to_html( content_to_unicode( env, content, mimetype), env=env, req=req)
    else:
        mimetype = get_mimetype( os.path.basename( path) ) or 'text/plain '
        mimeview = Mimeview( env)
        #charset = mimeview.get_charset( content, mimetype) #node.content_type?
        #content = util.to_utf8( content, charset )
        r = mimeview.render( req, mimetype, content)
    return r, None
예제 #10
0
    def populate_hdf(self, req, handler):
        """Add chrome-related data to the HDF."""

        # Provided for template customization
        req.hdf['HTTP.PathInfo'] = req.path_info

        href = Href(req.base_path)
        req.hdf['chrome.href'] = href.chrome()
        htdocs_location = self.htdocs_location or href.chrome('common')
        req.hdf['htdocs_location'] = htdocs_location.rstrip('/') + '/'

        # HTML <head> links
        add_link(req, 'start', req.href.wiki())
        add_link(req, 'search', req.href.search())
        add_link(req, 'help', req.href.wiki('TracGuide'))
        add_stylesheet(req, 'common/css/trac.css')
        add_script(req, 'common/js/trac.js')

        icon = self.env.project_icon
        if icon:
            if not icon.startswith('/') and icon.find('://') == -1:
                if '/' in icon:
                    icon = href.chrome(icon)
                else:
                    icon = href.chrome('common', icon)
            mimetype = mimeview.get_mimetype(icon)
            add_link(req, 'icon', icon, mimetype=mimetype)
            add_link(req, 'shortcut icon', icon, mimetype=mimetype)

        # Logo image
        logo_src = self.logo_src
        if logo_src:
            logo_src_abs = logo_src.startswith('http://') or \
                           logo_src.startswith('https://')
            if not logo_src.startswith('/') and not logo_src_abs:
                if '/' in logo_src:
                    logo_src = href.chrome(logo_src)
                else:
                    logo_src = href.chrome('common', logo_src)
            width = self.logo_width > -1 and self.logo_width
            height = self.logo_height > -1 and self.logo_height
            req.hdf['chrome.logo'] = {
                'link': self.logo_link,
                'src': logo_src,
                'src_abs': logo_src_abs,
                'alt': self.logo_alt,
                'width': width,
                'height': height
            }
        else:
            req.hdf['chrome.logo.link'] = self.logo_link

        # Navigation links
        navigation = {}
        active = None
        for contributor in self.navigation_contributors:
            for category, name, text in contributor.get_navigation_items(req):
                navigation.setdefault(category, {})[name] = text
            if contributor is handler:
                active = contributor.get_active_navigation_item(req)

        for category, items in [(k, v.items()) for k, v in navigation.items()]:
            category_order = category + '_order'
            if hasattr(self, category_order):
                order = getattr(self, category_order)

                def navcmp(x, y):
                    if x[0] not in order:
                        return int(y[0] in order)
                    if y[0] not in order:
                        return -int(x[0] in order)
                    return cmp(order.index(x[0]), order.index(y[0]))

                items.sort(navcmp)

            for name, text in items:
                req.hdf['chrome.nav.%s.%s' % (category, name)] = text
                if name == active:
                    req.hdf['chrome.nav.%s.%s.active' % (category, name)] = 1
예제 #11
0
    def populate_hdf(self, req, handler):
        """Add chrome-related data to the HDF."""

        # Provided for template customization
        req.hdf['HTTP.PathInfo'] = req.path_info

        href = Href(req.base_path)
        req.hdf['chrome.href'] = href.chrome()
        htdocs_location = self.htdocs_location or href.chrome('common')
        req.hdf['htdocs_location'] = htdocs_location.rstrip('/') + '/'

        # HTML <head> links
        add_link(req, 'start', req.href.wiki())
        add_link(req, 'search', req.href.search())
        add_link(req, 'help', req.href.wiki('TracGuide'))
        add_stylesheet(req, 'common/css/trac.css')
        add_script(req, 'common/js/trac.js')

        icon = self.env.project_icon
        if icon:
            if not icon.startswith('/') and icon.find('://') == -1:
                if '/' in icon:
                    icon = href.chrome(icon)
                else:
                    icon = href.chrome('common', icon)
            mimetype = mimeview.get_mimetype(icon)
            add_link(req, 'icon', icon, mimetype=mimetype)
            add_link(req, 'shortcut icon', icon, mimetype=mimetype)

        # Logo image
        logo_src = self.logo_src
        if logo_src:
            logo_src_abs = logo_src.startswith('http://') or \
                           logo_src.startswith('https://')
            if not logo_src.startswith('/') and not logo_src_abs:
                if '/' in logo_src:
                    logo_src = href.chrome(logo_src)
                else:
                    logo_src = href.chrome('common', logo_src)
            width = self.logo_width > -1 and self.logo_width
            height = self.logo_height > -1 and self.logo_height
            req.hdf['chrome.logo'] = {
                'link': self.logo_link, 'src': logo_src,
                'src_abs': logo_src_abs, 'alt': self.logo_alt,
                'width': width, 'height': height
            }
        else:
            req.hdf['chrome.logo.link'] = self.logo_link

        # Navigation links
        navigation = {}
        active = None
        for contributor in self.navigation_contributors:
            for category, name, text in contributor.get_navigation_items(req):
                navigation.setdefault(category, {})[name] = text
            if contributor is handler:
                active = contributor.get_active_navigation_item(req)

        for category, items in [(k, v.items()) for k, v in navigation.items()]:
            category_order = category + '_order'
            if hasattr(self, category_order):
                order = getattr(self, category_order)
                def navcmp(x, y):
                    if x[0] not in order:
                        return int(y[0] in order)
                    if y[0] not in order:
                        return -int(x[0] in order)
                    return cmp(order.index(x[0]), order.index(y[0]))
                items.sort(navcmp)

            for name, text in items:
                req.hdf['chrome.nav.%s.%s' % (category, name)] = text
                if name == active:
                    req.hdf['chrome.nav.%s.%s.active' % (category, name)] = 1
예제 #12
0
    def _render_file(self, req, repos, node, rev=None):
        req.perm.assert_permission('FILE_VIEW')

        changeset = repos.get_changeset(node.rev)
        req.hdf['file'] = {
            'rev':
            node.rev,
            'changeset_href':
            util.escape(self.env.href.changeset(node.rev)),
            'date':
            time.strftime('%x %X', time.localtime(changeset.date)),
            'age':
            util.pretty_timedelta(changeset.date),
            'author':
            changeset.author or 'anonymous',
            'message':
            wiki_to_html(changeset.message or '--',
                         self.env,
                         req,
                         escape_newlines=True)
        }
        mime_type = node.content_type
        if not mime_type or mime_type == 'application/octet-stream':
            mime_type = get_mimetype(node.name) or mime_type or 'text/plain'

        # We don't have to guess if the charset is specified in the
        # svn:mime-type property
        ctpos = mime_type.find('charset=')
        if ctpos >= 0:
            charset = mime_type[ctpos + 8:]
        else:
            charset = None

        format = req.args.get('format')
        if format in ['raw', 'txt']:
            req.send_response(200)
            req.send_header('Content-Type', format == 'txt' and 'text/plain'
                            or mime_type)
            req.send_header('Content-Length', node.content_length)
            req.send_header('Last-Modified',
                            util.http_date(node.last_modified))
            req.end_headers()

            content = node.get_content()
            while 1:
                chunk = content.read(CHUNK_SIZE)
                if not chunk:
                    raise RequestDone
                req.write(chunk)

        else:
            # Generate HTML preview
            max_preview_size = int(
                self.config.get('mimeviewer', 'max_preview_size', '262144'))
            content = node.get_content().read(max_preview_size)
            max_size_reached = len(content) == max_preview_size
            if not charset:
                charset = detect_unicode(content) or \
                          self.config.get('trac', 'default_charset')
            if not is_binary(content):
                content = util.to_utf8(content, charset)
                if mime_type != 'text/plain':
                    plain_href = self.env.href.browser(node.path,
                                                       rev=rev and node.rev,
                                                       format='txt')
                    add_link(req, 'alternate', plain_href, 'Plain Text',
                             'text/plain')
            if max_size_reached:
                req.hdf['file.max_file_size_reached'] = 1
                req.hdf['file.max_file_size'] = max_preview_size
                preview = ' '
            else:
                preview = Mimeview(self.env).render(req,
                                                    mime_type,
                                                    content,
                                                    node.name,
                                                    node.rev,
                                                    annotations=['lineno'])
            req.hdf['file.preview'] = preview

            raw_href = self.env.href.browser(node.path,
                                             rev=rev and node.rev,
                                             format='raw')
            req.hdf['file.raw_href'] = util.escape(raw_href)
            add_link(req, 'alternate', raw_href, 'Original Format', mime_type)

            add_stylesheet(req, 'common/css/code.css')
예제 #13
0
    def process_request(self, req):
        req.perm.assert_permission("NARCISSUS_VIEW")

        img = req.args.get("img", None)
        if img:
            self._load_config()
            img_path = os.path.join(self.cache_dir, img)
            return req.send_file(img_path, mimeview.get_mimetype(img_path))

        # print>>sys.stderr, 'start request'
        add_stylesheet(req, "nar/css/narcissus.css")
        add_script(req, "nar/js/narcissus.js")

        req.hdf["trac.href.main"] = self.env.href.narcissus()
        req.hdf["trac.href.configure"] = self.env.href.configure()
        req.hdf["trac.href.user_guide"] = self.env.href.user_guide()

        req.hdf["main"] = "yes"
        req.hdf["config"] = "no"
        req.hdf["user_guide"] = "no"

        req.hdf["error.exists"] = "no"

        self.db = self.env.get_db_cnx()

        self._settings = NarcissusSettings(self.db)

        # Ensure Narciussus has been configured to incluude some group members
        if not self._settings.members:
            req.hdf[
                "msg"
            ] = """No group members have been selected for visualisation.
                Please add group members using the configuration page."""
            return "narcissus.cs", None

        # Parse the from date and adjust the timestamp to the last second of
        # the day (taken from Timeline.py, (c) Edgewall Software)
        t = time.localtime()
        if req.args.has_key("from"):
            try:
                t = time.strptime(req.args.get("from"), "%x")
            except:
                pass

        fromdate = time.mktime((t[0], t[1], t[2], 23, 59, 59, t[6], t[7], t[8]))
        try:
            daysback = max(0, int(req.args.get("daysback", "")))
        except ValueError:
            daysback = 14  # Default value of one fortnight
        req.hdf["date.end"] = fromdate
        req.hdf["date.from"] = format_date(fromdate)
        req.hdf["date.daysback"] = daysback

        self._update_data(req)
        self._create_legend(req)

        trouble, msg = self._get_font()
        if trouble:
            req.hdf["error.exists"] = "yes"
            req.hdf["error.msg"] = msg.getvalue()
        else:
            view = req.args.get("view", "group")
            req.hdf["view"] = view
            if view == "group":
                self._draw_group(req)
            elif view == "project":
                self._draw_project(req),
            elif view == "ticket":
                self._draw_ticket(req)

        # print>>sys.stderr, 'return request'
        return "narcissus.cs", None
예제 #14
0
    def process_request(self, req):
        req.perm.assert_permission('NARCISSUS_VIEW')

        img = req.args.get('img', None)
        if img:
            self._load_config()
            img_path = os.path.join(self.cache_dir, img)
            return req.send_file(img_path, mimeview.get_mimetype(img_path))

        params = {}
        params['page'] = 'narcissus'
        params['href_narcissus'] = self.env.href.narcissus()
        params['href_configure'] = self.env.href.narcissus('configure')
        params['href_user_guide'] = self.env.href.narcissus('user_guide')
        params['error'] = None
        params['msg'] = ""

        self.db = self.env.get_db_cnx()

        self._settings = NarcissusSettings(self.db)

        # Ensure Narciussus has been configured to incluude some group members
        if not self._settings.members:
            params[
                'msg'] = '''No group members have been selected for visualisation.
                Please add group members using the configuration page.'''
            return 'narcissus.xhtml', params, None

        # Parse the from date and adjust the timestamp to the last second of
        # the day (taken from Timeline.py, (c) Edgewall Software)
        t = time.localtime()
        if req.args.has_key('from'):
            try:
                t = time.strptime(req.args.get('from'), '%x')
            except:
                pass

        fromdate = time.mktime(
            (t[0], t[1], t[2], 23, 59, 59, t[6], t[7], t[8]))
        try:
            daysback = max(0, int(req.args.get('daysback', '')))
        except ValueError:
            daysback = 14  # Default value of one fortnight
        params['date_end'] = fromdate
        params['date_from'] = format_date(fromdate)
        params['date_daysback'] = daysback

        self._update_data(req)
        self._create_legend(req, params)

        trouble, msg = self._get_font()
        if trouble:
            params['error'] = msg.getvalue()
        else:
            view = req.args.get('view', 'group')
            params['view'] = view
            if view == 'group':
                self._draw_group(req, params)
            elif view == 'project':
                self._draw_project(req, params),
            elif view == 'ticket':
                self._draw_ticket(req, params)

        #print>>sys.stderr, 'return request'
        return 'narcissus.xhtml', params, None
예제 #15
0
    def populate_hdf(self, req, handler):
        """Add chrome-related data to the HDF."""

        # Provided for template customization
        req.hdf['HTTP.PathInfo'] = req.path_info

        href = Href(req.cgi_location)
        req.hdf['chrome.href'] = href.chrome()
        htdocs_location = self.config.get('trac', 'htdocs_location',
                                          href.chrome('common'))
        req.hdf['htdocs_location'] = htdocs_location.rstrip('/') + '/'

        # HTML <head> links
        add_link(req, 'start', self.env.href.wiki())
        add_link(req, 'search', self.env.href.search())
        add_link(req, 'help', self.env.href.wiki('TracGuide'))
        add_stylesheet(req, 'common/css/trac.css')
        icon = self.config.get('project', 'icon')
        if icon:
            if not icon.startswith('/') and icon.find('://') == -1:
                if '/' in icon:
                    icon = href.chrome(icon)
                else:
                    icon = href.chrome('common', icon)
            mimetype = mimeview.get_mimetype(icon)
            add_link(req, 'icon', icon, mimetype=mimetype)
            add_link(req, 'shortcut icon', icon, mimetype=mimetype)

        # Logo image
        logo_link = self.config.get('header_logo', 'link')
        logo_src = self.config.get('header_logo', 'src')
        if logo_src:
            logo_src_abs = logo_src.startswith('http://') or \
                           logo_src.startswith('https://')
            if not logo_src.startswith('/') and not logo_src_abs:
                if '/' in logo_src:
                    logo_src = href.chrome(logo_src)
                else:
                    logo_src = href.chrome('common', logo_src)
            req.hdf['chrome.logo'] = {
                'link': util.escape(logo_link),
                'src': util.escape(logo_src),
                'src_abs': util.escape(logo_src_abs),
                'alt': util.escape(self.config.get('header_logo', 'alt')),
                'width': self.config.get('header_logo', 'width', ''),
                'height': self.config.get('header_logo', 'height', '')
            }
        else:
            req.hdf['chrome.logo.link'] = util.escape(logo_link)

        # Navigation links
        navigation = {}
        active = None
        for contributor in self.navigation_contributors:
            for category, name, text in contributor.get_navigation_items(req):
                navigation.setdefault(category, {})[name] = text
            if contributor is handler:
                active = contributor.get_active_navigation_item(req)

        for category, items in [(k, v.items()) for k, v in navigation.items()]:
            order = [
                x.strip() for x in self.config.get('trac', category).split(',')
            ]

            def navcmp(x, y):
                if x[0] not in order:
                    return int(y[0] in order)
                if y[0] not in order:
                    return -int(x[0] in order)
                return cmp(order.index(x[0]), order.index(y[0]))

            items.sort(navcmp)

            for name, text in items:
                req.hdf['chrome.nav.%s.%s' % (category, name)] = text
                if name == active:
                    req.hdf['chrome.nav.%s.%s.active' % (category, name)] = 1
예제 #16
0
    def process_request(self, req):
        req.perm.assert_permission('NARCISSUS_VIEW')

        img = req.args.get('img', None)
        if img:
            self._load_config()
            img_path = os.path.join(self.cache_dir, img)
            return req.send_file(img_path, mimeview.get_mimetype(img_path))
        
###        add_stylesheet(req, 'nar/css/narcissus.css')
###        add_script(req, 'nar/js/narcissus.js')

        params = {}
        params['page'] = 'narcissus'
        params['href_narcissus'] = self.env.href.narcissus()
        params['href_configure'] = self.env.href.narcissus('configure')
        params['href_user_guide'] = self.env.href.narcissus('user_guide')
        params['error'] = None
        params['msg'] = ""
        
        self.db = self.env.get_db_cnx()

        self._settings = NarcissusSettings(self.db)
        
        # Ensure Narciussus has been configured to incluude some group members
        if not self._settings.members:
            params['msg'] = '''No group members have been selected for visualisation.
                Please add group members using the configuration page.'''
            return 'narcissus.xhtml', params, None
        
        # Parse the from date and adjust the timestamp to the last second of
        # the day (taken from Timeline.py, (c) Edgewall Software)
        t = time.localtime()
        if req.args.has_key('from'):
            try:
                t = time.strptime(req.args.get('from'), '%x')
            except:
                pass

        fromdate = time.mktime((t[0], t[1], t[2], 23, 59, 59, t[6], t[7], t[8]))
        try:
            daysback = max(0, int(req.args.get('daysback', '')))
        except ValueError:
            daysback = 14 # Default value of one fortnight
        params['date_end'] = fromdate
        params['date_from'] = format_date(fromdate)
        params['date_daysback'] = daysback
        
        self._update_data(req)
        self._create_legend(req, params)
        
        trouble, msg = self._get_font()
        if trouble:
            params['error'] = msg.getvalue()
        else:
            view = req.args.get('view', 'group')
            params['view'] = view
            if view == 'group':
                self._draw_group(req, params)
            elif view == 'project':
                self._draw_project(req, params),
            elif view == 'ticket':
                self._draw_ticket(req, params)

        #print>>sys.stderr, 'return request'
        return 'narcissus.xhtml', params, None
예제 #17
0
파일: main.py 프로젝트: jun66j5/TraM
def dispatch_request(environ, start_response):
    """Main entry point for the Trac web interface.
    
    @param environ: the WSGI environment dict
    @param start_response: the WSGI callback for starting the response
    """
    if 'mod_python.options' in environ:
        options = environ['mod_python.options']
        environ.setdefault('trac.env_path', options.get('TracEnv'))
        environ.setdefault('trac.env_parent_dir', options.get('TracEnvParentDir'))
        environ.setdefault('trac.env_index_template', options.get('TracEnvIndexTemplate'))
        environ.setdefault('trac.template_vars', options.get('TracTemplateVars'))
        environ.setdefault('trac.locale', options.get('TracLocale'))

        if 'TracUriRoot' in options:
            # Special handling of SCRIPT_NAME/PATH_INFO for mod_python, which
            # tends to get confused for whatever reason
            root_uri = options['TracUriRoot'].rstrip('/')
            request_uri = environ['REQUEST_URI'].split('?', 1)[0]
            if not request_uri.startswith(root_uri):
                raise ValueError('TracUriRoot set to %s but request URL '
                                 'is %s' % (root_uri, request_uri))
            environ['SCRIPT_NAME'] = root_uri
            environ['PATH_INFO'] = urllib.unquote(request_uri[len(root_uri):])

    else:
        environ.setdefault('trac.env_path', os.getenv('TRAC_ENV'))
        environ.setdefault('trac.env_parent_dir',
                           os.getenv('TRAC_ENV_PARENT_DIR'))
        environ.setdefault('trac.env_index_template',
                           os.getenv('TRAC_ENV_INDEX_TEMPLATE'))
        environ.setdefault('trac.template_vars',
                           os.getenv('TRAC_TEMPLATE_VARS'))
        environ.setdefault('trac.locale', '')

    locale.setlocale(locale.LC_ALL, environ['trac.locale'])

    env_parent_dir = environ.get('trac.env_parent_dir')
    env_paths = environ.get('trac.env_paths', [])
    import dircache
    paths = dircache.listdir(env_parent_dir)[:]
    dircache.annotate(env_parent_dir, paths)
    env_paths += [os.path.join(env_parent_dir, project) \
                  for project in paths 
                  if project[-1] == '/' and project != '.egg-cache/']


    # Determine the environment
    env_path = environ.get('trac.env_path')
    req = Request(environ, start_response)

    if not env_path:
        if env_parent_dir or env_paths:
            try:
                # The first component of the path is the base name of the
                # environment
                path_info = environ.get('PATH_INFO', '').lstrip('/').split('/')
                env_name = path_info.pop(0)
                if env_name == '':
                    env_name = 'all'
                if env_name == 'all':
                    try:
                        # go on...                       
                        #req = Request(environ, start_response)
                        dispatcher = TramRequestDispatcher(get_allenv(environ, req))
                        dispatcher.dispatch(environ, start_response, env_parent_dir, env_paths, req)
                    except RequestDone, e:
                        return req._response or []
                    #except Exception, e:
                        #raise Exception(e)

                if env_name == 'chrome':
                    env_name = 'all'
                    path_info.insert(0,'chrome')

                # here we send tram chrome, denoted by using the chrome/tram/ parent
                possible_tram_chrome = '/'.join(path_info)
                if (possible_tram_chrome.startswith('chrome/tram/')):
                    file = possible_tram_chrome[12:]
                    path = os.path.dirname(__file__) + "/htdocs/" + file
                    if (os.path.isfile(path)):
                        #req = Request(environ, start_response)
                        try:
                            req.send_file(path, mimeview.get_mimetype(path))
                        except RequestDone, e:
                            return req._response or [];
                    else:
                        raise HTTPNotFound('File %s not found', file)

                if not env_name:
                    # We need to be in the 'all' environment for the auth cookies etc

                    #req = Request(environ, start_response)
                    req.redirect(req.abs_href() + '/all')

            except HTTPException, e:
                #req = Request(environ, start_response)
                prepare_request(req, environ)
                loadpaths = []
                loadpaths.insert(0, os.path.dirname(__file__) + "/templates/")
                data = {
                        'title': e.reason or 'Error',
                        'type': 'TracError',
                        #'message': e.message
                        'message': e.reason or 'Error'
                }
                try:
                    req.send_error(sys.exc_info(), status=e.code, env=Environment(env_path), data=data)
                except RequestDone, e:
                    return []