def lastEditInfo(self, request=None):
     time = wikiutil.version2timestamp(self.last_modified())
     if request:
         time = request.user.getFormattedDateTime(time) # Use user time format
     else:
         time = datetime.datetime.fromtimestamp(time*1000*1000).strftime('%Y-%m-%d %H:%M:%S') # Use user time format
     return {'editor': self.user, 'time': time}

    def _addRevisionHistory(self, targetNode):
        """
        This will generate a revhistory element which it will populate with
        revision nodes. Each revision has the revnumber, date and author-
        initial elements, and if a comment was supplied, the comment element.

        The date elements format depends on the users settings, so it will
        be in the same format as the revision history as viewed in the
        page info on the wiki.

        The authorinitials will be the UserName or if it was an anonymous
        edit, then it will be the hostname/ip-address.

        The revision history of included documents is NOT included at the
        moment due to technical difficulties.
        """
        _ = self.request.getText
        log = editlog.EditLog(self.request, rootpagename=self.title)
        user_cache = {}

        history = tree.element(None, u"revhistory")

        # read in the complete log of this page
        for line in log.reverse():
            if not line.action in ("SAVE", "SAVENEW", "SAVE/REVERT", "SAVE/RENAME"):
                # Let's ignore adding of attachments
                continue
            revision = tree.element(None, u"revision")

            # Revision number (without preceeding zeros)
            self._addTextElem(revision, u"revnumber", line.rev.lstrip("0"))

            # Date of revision
            date_text = self.request.user.getFormattedDateTime(wikiutil.version2timestamp(line.ed_time_usecs))
            self._addTextElem(revision, u"date", date_text)

            # Author or revision
            if not (line.userid in user_cache):
                user_cache[line.userid] = user.User(self.request, line.userid, auth_method="text_docbook:740")
            author = user_cache[line.userid]
            if author and author.name:
                self._addTextElem(revision, u"authorinitials", author.name)
            else:
                self._addTextElem(revision, u"authorinitials", line.hostname)

            # Comment from author of revision
            comment = line.comment
            if not comment:
                if "/REVERT" in line.action:
                    comment = _("Revert to revision %(rev)d.") % {"rev": int(line.extra)}
                elif "/RENAME" in line.action:
                    comment = _("Renamed from '%(oldpagename)s'.") % {"oldpagename": line.extra}
            if comment:
                self._addTextElem(revision, u"revremark", comment)

            history.xml_append(revision)

        if history.xml_first_child:
            # only add revision history is there is history to add
            targetNode.xml_append(history)

    def _load_group(self):
        request = self.request
        group_name = self.name

        page = Page(request, group_name)
        if page.exists():
            arena = 'pagegroups'
            key = wikiutil.quoteWikinameFS(group_name)
            cache = caching.CacheEntry(request, arena, key, scope='wiki', use_pickle=True)
            try:
                cache_mtime = cache.mtime()
                page_mtime = wikiutil.version2timestamp(page.mtime_usecs())
                # TODO: fix up-to-date check mtime granularity problems.
                #
                # cache_mtime is float while page_mtime is integer
                # The comparision needs to be done on the lowest type of both
                if int(cache_mtime) > int(page_mtime):
                    # cache is uptodate
                    return cache.content()
                else:
                    raise caching.CacheError
            except caching.CacheError:
                # either cache does not exist, is erroneous or not uptodate: recreate it
                members, member_groups = super(WikiGroup, self)._load_group()
                cache.update((members, member_groups))
                return members, member_groups
        else:
            raise GroupDoesNotExistError(group_name)

    def _load_dict(self):
        request = self.request
        dict_name = self.name

        page = Page(request, dict_name)
        if page.exists():
            arena = "pagedicts"
            key = wikiutil.quoteWikinameFS(dict_name)
            cache = caching.CacheEntry(request, arena, key, scope="wiki", use_pickle=True)
            try:
                cache_mtime = cache.mtime()
                page_mtime = wikiutil.version2timestamp(page.mtime_usecs())
                # TODO: fix up-to-date check mtime granularity problems.
                #
                # cache_mtime is float while page_mtime is integer
                # The comparision needs to be done on the lowest type of both
                if int(cache_mtime) > int(page_mtime):
                    # cache is uptodate
                    return cache.content()
                else:
                    raise caching.CacheError
            except caching.CacheError:
                # either cache does not exist, is erroneous or not uptodate: recreate it
                d = super(WikiDict, self)._load_dict()
                cache.update(d)
                return d
        else:
            raise DictDoesNotExistError(dict_name)

    def packagePages(self, pagelist, filename, function):
        """ Puts pages from pagelist into filename and calls function on them on installation. """
        request = self.request
        try:
            os.remove(filename)
        except OSError:
            pass
        zf = zipfile.ZipFile(filename, "w", COMPRESSION_LEVEL)

        cnt = 0
        script = [packLine(['MoinMoinPackage', '1']), ]

        for pagename in pagelist:
            pagename = pagename.strip()
            page = Page(request, pagename)
            if page.exists():
                cnt += 1
                script.append(packLine([function, str(cnt), pagename]))
                timestamp = wikiutil.version2timestamp(page.mtime_usecs())
                zi = zipfile.ZipInfo(filename=str(cnt), date_time=datetime.fromtimestamp(timestamp).timetuple()[:6])
                zi.compress_type = COMPRESSION_LEVEL
                zf.writestr(zi, page.get_raw_body().encode("utf-8"))
            else:
                #import sys
                #print >>sys.stderr, "Could not find the page %s." % pagename.encode("utf-8")
                pass

        script += [packLine(['Print', 'Installed MoinMaster page bundle %s.' % os.path.basename(filename)])]

        zf.writestr(MOIN_PACKAGE_FILE, u"\n".join(script).encode("utf-8"))
        zf.close()

    def collectpackage(self, pagelist, fileobject, pkgname="", include_attachments=False):
        """ Expects a list of pages as an argument, and fileobject to be an open
        file object, which a zipfile will get written to.

        @param pagelist: pages to package
        @param fileobject: open file object to write to
        @param pkgname: optional file name, to prevent self packaging
        @rtype: string or None
        @return: error message, if one happened
        @rtype: boolean
        @param include_attachments: True if you want attachments collected
        """
        _ = self.request.getText
        COMPRESSION_LEVEL = zipfile.ZIP_DEFLATED

        pages = []
        for pagename in pagelist:
            pagename = wikiutil.normalize_pagename(pagename, self.request.cfg)
            if pagename:
                page = Page(self.request, pagename)
                if page.exists() and self.request.user.may.read(pagename):
                    pages.append(page)
        if not pages:
            return (_('No pages like "%s"!') % wikiutil.escape(pagelist))

        # Set zipfile output
        zf = zipfile.ZipFile(fileobject, "w", COMPRESSION_LEVEL)

        cnt = 0
        userid = user.getUserIdentification(self.request)
        script = [packLine(['MoinMoinPackage', '1']), ]

        for page in pages:
            cnt += 1
            files = _get_files(self.request, page.page_name)
            script.append(packLine(["AddRevision", str(cnt), page.page_name, userid, "Created by the PackagePages action."]))

            timestamp = wikiutil.version2timestamp(page.mtime_usecs())

            # avoid getting strange exceptions from zipfile in case of pre-1980 timestamps
            nineteeneighty = (10 * 365 + 3) * 24 * 3600 # 1970 + 10y + 3d
            timestamp = max(nineteeneighty, timestamp) # zip can not store timestamps before 1980

            zi = zipfile.ZipInfo(filename=str(cnt), date_time=datetime.fromtimestamp(timestamp).timetuple()[:6])
            zi.compress_type = COMPRESSION_LEVEL
            zf.writestr(zi, page.get_raw_body().encode("utf-8"))
            if include_attachments:
                for attname in files:
                    if attname != pkgname:
                        cnt += 1
                        zipname = "%d_attachment" % cnt
                        script.append(packLine(["AddAttachment", zipname, attname, page.page_name, userid, "Created by the PackagePages action."]))
                        filename = AttachFile.getFilename(self.request, page.page_name, attname)
                        zf.write(filename, zipname)
        script += [packLine(['Print', 'Thank you for using PackagePages!'])]

        zf.writestr(MOIN_PACKAGE_FILE, u"\n".join(script).encode("utf-8"))
        zf.close()

    def xmlrpc_getPageInfoVersion(self, pagename, rev):
        """
        Return page information for specific revision

        @param pagename: the name of the page (utf-8)
        @param rev: revision to get info about (int)
        @rtype: dict
        @return: page information
            * name (string): the canonical page name, UTF-8.
            * lastModified (date): Last modification date, UTC.
            * author (string): author name, UTF-8.
            * version (int): current version

        """
        pn = self._instr(pagename)

        # User may read this page?
        if not self.request.user.may.read(pn):
            return self.notAllowedFault()

        if rev is not None:
            page = Page(self.request, pn, rev=rev)
        else:
            page = Page(self.request, pn)
            rev = page.current_rev()

        # Non existing page?
        if not page.exists():
            return self.noSuchPageFault()

        # Get page info
        edit_info = page.edit_info()
        if not edit_info:
            return self.noLogEntryFault()

        mtime = wikiutil.version2timestamp(long(edit_info['timestamp'])) # must be long for py 2.2.x
        gmtuple = tuple(time.gmtime(mtime))

        version = rev # our new rev numbers: 1,2,3,4,....

        #######################################################################
        # BACKWARDS COMPATIBILITY CODE - remove when 1.2.x is regarded stone age
        # as we run a feed for BadContent on MoinMaster, we want to stay
        # compatible here for a while with 1.2.x moins asking us for BadContent
        # 1.3 uses the lastModified field for checking for updates, so it
        # should be no problem putting the old UNIX timestamp style of version
        # number in the version field
        if self.request.cfg.sitename == 'MoinMaster' and pagename == 'BadContent':
            version = int(mtime)
        #######################################################################

        return {
            'name': self._outstr(page.page_name),
            'lastModified': xmlrpclib.DateTime(gmtuple),
            'author': self._outstr(edit_info['editor']),
            'version': version,
            }

    def flush_pages(pages):
        # new day reached: print out stuff

        #pages.sort(lambda p, q: cmp(q.time_tuple, p.time_tuple))

        date = request.user.getFormattedDate(wikiutil.version2timestamp(pages[0].ed_time_usecs))
        output.append(u'<h5>%s</h5><ul>' % date)

        for p in pages:
            output.append(format_page_edits(macro, p))

        output.append(u'</ul>')

def logchain2(request, log1, log2):
    n1_next = None
    n2_next = None
    count = 0
    while True:
        count += 1
        try:
            n1 = n1_next or next(log1)
        except StopIteration:
            n1 = None
        try:
            n2 = n2_next or next(log2)
        except StopIteration:
            n2 = None

        n1_next = n1
        n2_next = n2
        # print count, n1_next, n1.pagename, n2_next, n2.pagename

        if n1 is None and n2 is None:
            break
        elif n1 is not None and n2 is not None:
            t1 = request.user.getTime(wikiutil.version2timestamp(n1.ed_time_usecs))[:5]
            t2 = request.user.getTime(wikiutil.version2timestamp(n2.ed_time_usecs))[:5]
            if t1 > t2:
                n1_next = None
                yield n1
            elif t1 == t2: #same item, discard one.
                n1_next = None
                n2_next = None
                yield n1
            else:
                n2_next = None
                yield n2
        elif n1 is None:
            n2_next = None
            yield n2
        else:
            n1_next = None
            yield n1

    def xmlrpc_getRecentChanges(self, date):
        """
        Get RecentChanges since date

        @param date: date since when rc will be listed
        @rtype: list
        @return: a list of changed pages since date, which should be in
            UTC. The result is a list, where each element is a struct:
            * name (string) :
                Name of the page. The name is in UTF-8.
            * lastModified (date) :
                Date of last modification, in UTC.
            * author (string) :
                Name of the author (if available). UTF-8.
            * version (int) :
                Current version.
        """

        return_items = []

        edit_log = editlog.EditLog(self.request)
        for log in edit_log.reverse():
            # get last-modified UTC (DateTime) from log
            gmtuple = tuple(time.gmtime(wikiutil.version2timestamp(log.ed_time_usecs)))
            lastModified_date = xmlrpclib.DateTime(gmtuple)

            # skip if older than "date"
            if lastModified_date < date:
                break

            # skip if knowledge not permitted
            if not self.request.user.may.read(log.pagename):
                continue

            # get page name (str) from log
            pagename_str = self._outstr(log.pagename)

            # get user name (str) from log
            author_str = log.hostname
            if log.userid:
                userdata = user.User(self.request, log.userid)
                if userdata.name:
                    author_str = userdata.name
            author_str = self._outstr(author_str)

            return_item = {'name': pagename_str,
                           'lastModified': lastModified_date,
                           'author': author_str,
                           'version': int(log.rev) }
            return_items.append(return_item)

        return return_items

def logchain(request, log1):

    # inv_map = {}
    # for k, v in request.cfg.routes.iteritems():
    #     inv_map[v] = inv_map.get(v, [])
    #     inv_map[v].append(k)

    logs = [(log1, 'wiki'),] # default wiki recent-logs
    for name, storage in request.storage.iteritems():
        data = storage.history(request)
        # name_filter_re = inv_map[name]
        logs.append((data,name))

    # next_data_checker
    next_data = []
    for a in range(len(logs)):
        next_data.append(None)

    while True:
        for idx, packed in enumerate(logs):
            # print packed
            s, storage_name = packed
            try:
                if next_data[idx]: pass
                else:
                    next_data[idx] = next(s) # if next_data is None, get the next data using 'next(s)'
                    while True:
                        mt = get_middleware_type(request, next_data[idx].pagename)
                        # mt = Page(request, next_data[idx].pagename).middleware_type()
                        if mt == storage_name:
                            break
                        else:
                            next_data[idx] = next(s)
            except StopIteration:
                next_data[idx] = None

        if not max(next_data): # all is None
            break

        # pick the latest log among storages
        times = []
        for s in next_data:
            if s is None: times.append(0)
            else:
                times.append(request.user.getTime(wikiutil.version2timestamp(s.ed_time_usecs))[:5])

        mtime = max(times)
        idx = times.index(mtime)
        ydata = next_data[idx]
        next_data[idx] = None # invalidate
        yield ydata

def getPageListFromLog (request):
    this_day = request.user.getTime(time.time())[0:3]
    log = editlog.EditLog(request)
    pages = {}
    pagelist = []
    ignore_pages = {}
    day_count = 0

    for line in log.reverse():
        if not request.user.may.read(line.pagename):
            continue

        line.time_tuple = request.user.getTime(wikiutil.version2timestamp(line.ed_time_usecs))
        day = line.time_tuple[0:3]

        if ((this_day != day or (not _MAX_DAYS))) and len(pages) > 0:
            # new day or bookmark reached: print out stuff
            this_day = day
            for page in pages:
                ignore_pages[page] = None

            for page in pages.values():
                pagelist.append(page[0].pagename)

            pages = {}
            day_count += 1
            if _MAX_DAYS and (day_count >= _MAX_DAYS):
                break

        elif this_day != day:
            # new day but no changes
            this_day = day

        if ignore_pages.has_key(line.pagename):
            continue

        # end listing by default if user has a bookmark and we reached it
        if not _MAX_DAYS:
            break

        if pages.has_key(line.pagename):
            pages[line.pagename].append(line)
        else:
            pages[line.pagename] = [line]
    else:
        if len(pages) > 0:
            for page in pages.values():
                pagelist.append(page[0].pagename)
    return pagelist

def execute(pagename, request):
    log = editlog.EditLog(request)
    try:
        lastmod = wikiutil.version2timestamp(log.date())
    except:
        lastmod = 0

    timestamp = timefuncs.formathttpdate(lastmod)
    etag = "%d" % lastmod

    # for 304, we look at if-modified-since and if-none-match headers,
    # one of them must match and the other is either not there or must match.
    if request.if_modified_since == timestamp:
        if request.if_none_match:
            if request.if_none_match == etag:
                request.emit_http_headers(["Status: 304 Not modified"])
        else:
            request.emit_http_headers(["Status: 304 Not modified"])
    elif request.if_none_match == etag:
        if request.if_modified_since:
            if request.if_modified_since == timestamp:
                request.emit_http_headers(["Status: 304 Not modified"])
        else:
            request.emit_http_headers(["Status: 304 Not modified"])
    else:
        # generate an Expires header, using 1d cache lifetime of sisterpages list
        expires = timefuncs.formathttpdate(time.time() + 24 * 3600)

        httpheaders = [
            "Content-Type: text/plain; charset=UTF-8",
            "Expires: %s" % expires,
            "Last-Modified: %s" % timestamp,
            "Etag: %s" % etag,
        ]

        # send the generated XML document
        request.emit_http_headers(httpheaders)

        baseurl = request.getBaseURL()
        if not baseurl.endswith("/"):
            baseurl += "/"

        # Get list of user readable pages
        pages = request.rootpage.getPageList()
        pages.sort()
        for pn in pages:
            p = Page(request, pn)
            entry = u"%s %s\r\n" % (request.getQualifiedURL(p.url(request)), p.page_name)
            request.write(entry.encode("utf-8"))

 def create_package(self, script, page=None):
     # creates the package example zip file
     userid = user.getUserIdentification(self.request)
     COMPRESSION_LEVEL = zipfile.ZIP_DEFLATED
     zip_file = tempfile.mkstemp(suffix='.zip')[1]
     zf = zipfile.ZipFile(zip_file, "w", COMPRESSION_LEVEL)
     if page:
         timestamp = wikiutil.version2timestamp(page.mtime_usecs())
         zi = zipfile.ZipInfo(filename="1", date_time=datetime.fromtimestamp(timestamp).timetuple()[:6])
         zi.compress_type = COMPRESSION_LEVEL
         zf.writestr(zi, page.get_raw_body().encode("utf-8"))
     zf.writestr("1_attachment", "sample attachment")
     zf.writestr(MOIN_PACKAGE_FILE, script.encode("utf-8"))
     zf.close()
     return zip_file

    def packagePages(self, pagelist, filename, function):
        """ Puts pages from pagelist into filename and calls function on them on installation. """
        request = self.request
        try:
            os.remove(filename)
        except OSError:
            pass
        # page LanguageSetup needs no packing!
        existing_pages = [
            pagename for pagename in pagelist if Page(request, pagename).exists() and pagename != "LanguageSetup"
        ]
        if not existing_pages:
            return

        zf = zipfile.ZipFile(filename, "w", COMPRESSION_LEVEL)

        script = [packLine(["MoinMoinPackage", "1"])]

        fallback_timestamp = int(time.time())

        cnt = 0
        for pagename in existing_pages:
            pagename = pagename.strip()
            page = Page(request, pagename)
            files = _get_files(request, pagename)
            for attname in files:
                cnt += 1
                zipname = "%d" % cnt
                script.append(packLine(["ReplaceUnderlayAttachment", zipname, attname, pagename]))
                attpath = AttachFile.getFilename(request, pagename, attname)
                zf.write(attpath, zipname)

            cnt += 1
            zipname = "%d" % cnt
            script.append(packLine([function, zipname, pagename]))
            timestamp = wikiutil.version2timestamp(page.mtime_usecs())
            if not timestamp:
                # page.mtime_usecs() returns 0 for underlay pages
                timestamp = fallback_timestamp
            dt = datetime.fromtimestamp(timestamp)
            zi = zipfile.ZipInfo(filename=zipname, date_time=dt.timetuple()[:6])
            zi.compress_type = COMPRESSION_LEVEL
            zf.writestr(zi, page.get_raw_body().encode("utf-8"))

        script += [packLine(["Print", "Installed MoinMaster page bundle %s." % os.path.basename(filename)])]

        zf.writestr(MOIN_PACKAGE_FILE, u"\n".join(script).encode("utf-8"))
        zf.close()

    def _readLockFile(self):
        """Load lock info if not yet loaded."""
        _ = self._
        self.owner = None
        self.owner_html = wikiutil.escape(_("<unknown>"))
        self.timestamp = 0

        if self.locktype:
            try:
                entry = editlog.EditLog(self.request, filename=self._filename()).next()
            except StopIteration:
                entry = None
                                                    
            if entry:
                self.owner = entry.userid or entry.addr
                self.owner_html = entry.getEditor(self.request)
                self.timestamp = wikiutil.version2timestamp(entry.ed_time_usecs)

def show_pages(request, pagename, editor, timestamp):
    _ = request.getText

    timestamp = int(timestamp * 1000000)
    log = editlog.EditLog(request)
    pages = {}
    #  mimic macro object for use of RecentChanges subfunctions
    macro = tmp()
    macro.request = request
    macro.formatter = request.html_formatter

    request.write("<table>")
    for line in log.reverse():
        if line.ed_time_usecs < timestamp:
            break

        if not request.user.may.read(line.pagename):
            continue

        if not line.pagename in pages:
            pages[line.pagename] = 1
            if repr(line.getInterwikiEditorData(request)) == editor:
                line.time_tuple = request.user.getTime(wikiutil.version2timestamp(line.ed_time_usecs))
                request.write(RecentChanges.format_page_edits(macro, [line], timestamp))

    request.write(
        """
</table>
<p>
<form method="post" action="%(url)s">
<input type="hidden" name="action" value="Despam">
<input type="hidden" name="ticket" value="%(ticket)s">
<input type="hidden" name="editor" value="%(editor)s">
<input type="submit" name="ok" value="%(label)s">
</form>
</p>
"""
        % dict(
            url=request.href(pagename),
            ticket=wikiutil.createTicket(request),
            editor=wikiutil.url_quote(editor),
            label=_("Revert all!"),
        )
    )

def execute(pagename, request):
    log = editlog.EditLog(request)
    try:
        lastmod = wikiutil.version2timestamp(log.date())
    except:
        lastmod = 0

    timestamp = timefuncs.formathttpdate(lastmod)
    etag = "%d" % lastmod

    # for 304, we look at if-modified-since and if-none-match headers,
    # one of them must match and the other is either not there or must match.
    if request.if_modified_since == timestamp:
        if request.if_none_match:
            if request.if_none_match == etag:
                request.status_code = 304
        else:
            request.status_code = 304
    elif request.if_none_match == etag:
        if request.if_modified_since:
            if request.if_modified_since == timestamp:
                request.status_code = 304
        else:
            request.status_code = 304
    else:
        # generate an Expires header, using 1d cache lifetime of sisterpages list
        expires = time.time() + 24*3600

        request.mimetype = 'text/plain'
        request.expires = expires
        request.last_modified = timestamp
        request.headers['Etag'] = etag

        # send the generated XML document
        # Get list of user readable pages
        pages = request.rootpage.getPageList()
        pages.sort()
        for pn in pages:
            p = Page(request, pn)
            entry = u"%s %s\r\n" % (request.getQualifiedURL(p.url(request)), p.page_name)
            request.write(entry.encode('utf-8'))

def print_abandoned(macro):
    request = macro.request
    _ = request.getText
    output = []
    d = {}
    page = macro.formatter.page
    pagename = page.page_name
    d["page"] = page
    d["q_page_name"] = wikiutil.quoteWikinameURL(pagename)
    msg = None

    pages = request.rootpage.getPageList()
    last_edits = []
    for name in pages:
        log = Page(request, name).editlog_entry()
        if log:
            last_edits.append(log)
        #   we don't want all Systempages at the beginning of the abandoned list
        #    line = editlog.EditLogLine({})
        #    line.pagename = page
        #    line.ed_time = 0
        #    line.comment = 'not edited'
        #    line.action = ''
        #    line.userid = ''
        #    line.hostname = ''
        #    line.addr = ''
        #    last_edits.append(line)
    del pages
    last_edits.sort()

    # set max size in days
    max_days = min(int(request.values.get("max_days", 0)), _DAYS_SELECTION[-1])
    # default to _MAX_DAYS for users without bookmark
    if not max_days:
        max_days = _MAX_DAYS
    d["rc_max_days"] = max_days

    # give known user the option to extend the normal display
    if request.user.valid:
        d["rc_days"] = _DAYS_SELECTION
    else:
        d["rc_days"] = None

    d["rc_update_bookmark"] = None
    output.append(request.theme.recentchanges_header(d))

    length = len(last_edits)

    index = 0
    last_index = 0
    day_count = 0

    if length > 0:
        line = last_edits[index]
        line.time_tuple = request.user.getTime(wikiutil.version2timestamp(line.ed_time_usecs))
        this_day = line.time_tuple[0:3]
        day = this_day

    while 1:

        index += 1

        if index > length:
            break

        if index < length:
            line = last_edits[index]
            line.time_tuple = request.user.getTime(wikiutil.version2timestamp(line.ed_time_usecs))
            day = line.time_tuple[0:3]

        if (day != this_day) or (index == length):
            d["bookmark_link_html"] = None
            d["date"] = request.user.getFormattedDate(wikiutil.version2timestamp(last_edits[last_index].ed_time_usecs))
            output.append(request.theme.recentchanges_daybreak(d))
            this_day = day

            for page in last_edits[last_index:index]:
                output.append(format_page_edits(macro, [page], None))
            last_index = index
            day_count += 1
            if day_count >= max_days:
                break

    d["rc_msg"] = msg
    output.append(request.theme.recentchanges_footer(d))
    return "".join(output)

def execute(pagename, request):
    """ Send recent changes as an RSS document
    """
    cfg = request.cfg

    # get params
    items_limit = 100
    try:
        max_items = int(request.values["items"])
        max_items = min(max_items, items_limit)  # not more than `items_limit`
    except (KeyError, ValueError):
        # not more than 15 items in a RSS file by default
        max_items = 15
    try:
        unique = int(request.values.get("unique", 0))
    except ValueError:
        unique = 0
    try:
        diffs = int(request.values.get("diffs", 0))
    except ValueError:
        diffs = 0
    ## ddiffs inserted by Ralf Zosel <[email protected]>, 04.12.2003
    try:
        ddiffs = int(request.values.get("ddiffs", 0))
    except ValueError:
        ddiffs = 0

    urlfilter = request.values.get("filter")
    if urlfilter:
        urlfilter = re.compile(urlfilter)
    else:
        urlfilter = None

    # get data
    log = editlog.EditLog(request)
    logdata = []
    counter = 0
    pages = {}
    lastmod = 0
    for line in log.reverse():
        if urlfilter and not (urlfilter.match(line.pagename)):
            continue
        if not request.user.may.read(line.pagename):
            continue
        if not line.action.startswith("SAVE") or ((line.pagename in pages) and unique):
            continue
        # if log.dayChanged() and log.daycount > _MAX_DAYS: break
        line.editor = line.getInterwikiEditorData(request)
        line.time = timefuncs.tmtuple(wikiutil.version2timestamp(line.ed_time_usecs))  # UTC
        logdata.append(line)
        pages[line.pagename] = None

        if not lastmod:
            lastmod = wikiutil.version2timestamp(line.ed_time_usecs)

        counter += 1
        if counter >= max_items:
            break
    del log

    timestamp = timefuncs.formathttpdate(lastmod)
    etag = "%d-%d-%d-%d-%d" % (lastmod, max_items, diffs, ddiffs, unique)

    # for 304, we look at if-modified-since and if-none-match headers,
    # one of them must match and the other is either not there or must match.
    if request.if_modified_since == timestamp:
        if request.if_none_match:
            if request.if_none_match == etag:
                request.status_code = 304
        else:
            request.status_code = 304
    elif request.if_none_match == etag:
        if request.if_modified_since:
            if request.if_modified_since == timestamp:
                request.status_code = 304
        else:
            request.status_code = 304
    else:
        # generate an Expires header, using whatever setting the admin
        # defined for suggested cache lifetime of the RecentChanges RSS doc
        expires = time.time() + cfg.rss_cache

        request.mimetype = "application/rss+xml"
        request.expires = expires
        request.last_modified = lastmod
        request.headers["Etag"] = etag

        # send the generated XML document
        baseurl = request.url_root

        logo = re.search(r'src="([^"]*)"', cfg.logo_string)
        if logo:
            logo = request.getQualifiedURL(logo.group(1))

        # prepare output
        output = structencoder(indent=u"yes")

        FEED_HEADER_COMMENT = """
<!--
    Add an "items=nnn" URL parameter to get more than the default 15 items.
#.........这里部分代码省略.........