Convert xml2ics.pl to ics.xsl
* Reduces build time by 30% * Remove perl and libxml-dom-perl dependency * Improved date/time handling * Improved text formating
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5b5b65648f
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576edd6642
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@ -33,7 +33,7 @@ $(OUTDIR)%.atom: %.xml xsl/atom.xsl
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$(XSLTPROC) $< $(ROOT)/xsl/atom.xsl $@ $(XSLTARGS)
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$(OUTDIR)%.ics: %.xml
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perl scripts/xml2ics.pl $< > $@
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$(XSLTPROC) $< $(ROOT)/xsl/ics.xsl $@ $(XSLTARGS)
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$(OUTDIR)%.html: %.html
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cp -f $< $@
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@ -1,130 +0,0 @@
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#!/usr/bin/perl
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use XML::DOM;
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use strict;
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# get the first element under a node of the given tag
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# @param node: node under which to look for elements
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# @param tag: the tage to look for
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# @return: first element under node with the given tag
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sub subvalue($$)
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{
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my ($class, $tag) = @_;
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return value($class->getElementsByTagName($tag)->item(0));
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}
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# get the node value of the first child of a given node
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# @param node: whose child to use
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# @return: node value of given node's first child
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sub value($)
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{
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my ($class) = @_;
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if (undef == $class) { return undef; }
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my $child = $class->getFirstChild();
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if (undef == $child) {
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return undef;
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}
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return $child->getNodeValue();
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}
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print <<END_OF_FILE;
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BEGIN:VCALENDAR
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VERSION:2.0
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X-WR-CALNAME:University of Waterloo Computer Science Club
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PRODID:-//Apple Computer\, Inc//iCal 2.0//EN
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X-WR-RELCALID:3359A191-B19E-4B53-BADC-DFC084FC51C9
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X-WR-TIMEZONE:Canada/Eastern
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CALSCALE:GREGORIAN
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METHOD:PUBLISH
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BEGIN:VTIMEZONE
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TZID:Canada/Eastern
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LAST-MODIFIED:20060912T200739Z
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BEGIN:DAYLIGHT
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DTSTART:20060301T070000
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TZOFFSETTO:-0400
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TZOFFSETFROM:+0000
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TZNAME:EDT
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END:DAYLIGHT
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BEGIN:STANDARD
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DTSTART:20061029T020000
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TZOFFSETTO:-0500
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TZOFFSETFROM:-0400
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TZNAME:EST
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END:STANDARD
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BEGIN:DAYLIGHT
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DTSTART:20070311T010000
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TZOFFSETTO:-0400
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TZOFFSETFROM:-0500
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TZNAME:EDT
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END:DAYLIGHT
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END:VTIMEZONE
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END_OF_FILE
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my $parser = XML::DOM::Parser->new();
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my $doc = $parser->parsefile($ARGV[0]);
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my @events = $doc->getElementsByTagName("eventitem");
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foreach my $event (@events) {
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my $date = $event->getAttribute("date");
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my $time = $event->getAttribute("time");
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my $talk_title = $event->getAttribute("title");
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$talk_title =~ s/[:;,]//g;
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my $room = $event->getAttribute("room");
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my $short = subvalue($event, "short");
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$short =~ s/[:;,]//g;
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my $abstract = $event->getElementsByTagName("abstract")->item(0)->toString();
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my $ical_date = `date -d"$date" +%Y%m%d`;
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chomp $ical_date;
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my ($ical_start, $ical_end);
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if ($time =~ /(.*)-(.*)/) {
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$ical_start = ical_time($1);
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$ical_end = ical_time($2);
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} else {
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$ical_start = ical_time($time);
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$ical_end = ical_time("$time + 1 hour");
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}
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$abstract =~ s/<abstract>//;
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$abstract =~ s/<\/abstract>//;
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$abstract =~ s/\n/ /sg;
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my $ical_abstract = "\"$abstract\"";
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sub ical_time {
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my ($ds) = @_;
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my $d = `date -d"$ds" +\%H\%M\%S`;
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chomp $d;
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return $d;
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}
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print <<END_OF_EVENT;
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BEGIN:VEVENT
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LOCATION:University of Waterloo - $room
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DTSTAMP:20060912T200708Z
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UID:${ical_date}T${ical_start}\@csclub.uwaterloo.ca
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SEQUENCE:11
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DTSTART;TZID=Canada/Eastern:${ical_date}T${ical_start}
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DTEND;TZID=Canada/Eastern:${ical_date}T${ical_end}
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SUMMARY:<a href=http://csclub.uwaterloo.ca>$talk_title</a> -- $short
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DESCRIPTION:$ical_abstract
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END:VEVENT
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END_OF_EVENT
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}
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print "END:VCALENDAR\n";
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@ -1,5 +1,5 @@
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#!/usr/bin/python
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import os, sys, urllib, libxml2, libxslt, ldap, time
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import os, sys, urllib, libxml2, libxslt, ldap, time, datetime, re
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#
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# globals
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@ -24,6 +24,12 @@ cscPositions = {
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}
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cscYesNo = { True : 'yes', False : 'no' }
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def xslArgToString(arg):
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if type(arg) == type([]):
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return libxml2.xmlNode(arg[0]).getContent()
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else:
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return arg
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#
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# cscLdapConnect
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#
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@ -35,29 +41,27 @@ def cscLdapConnect():
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#
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# csc:encode-for-uri
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#
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def cscEncodeForUri(ctx, arg):
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if type(arg) == type([]):
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arg = libxml2.xmlNode(arg[0]).getContent()
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return urllib.quote(arg)
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def cscEncodeForUri(ctx, uri):
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uri = xslArgToString(uri)
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return urllib.quote(uri)
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#
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# csc:term
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#
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def cscTerm(ctx, arg):
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if type(arg) == type([]):
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arg = libxml2.xmlNode(arg[0]).getContent()
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def cscTerm(ctx, date):
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date = xslArgToString(date)
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try:
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[year, month, day] = arg.split("-")
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[year, month, day] = date.split("-")
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term = (int(month) - 1) / 4
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return cscTerms[term] + " " + year
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except:
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print "Invalid term '%s'" % arg
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print "Invalid date '%s'" % date
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raise
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#
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# csc:member-list
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#
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def cscMemberList(ctx, arg):
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def cscMemberList(ctx, _):
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try:
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if cscLdap == None:
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cscLdapConnect()
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@ -83,7 +87,7 @@ def cscMemberList(ctx, arg):
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#
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# csc:position-list
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#
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def cscPositionList(ctx, arg):
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def cscPositionList(ctx, _):
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try:
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if cscLdap == None:
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cscLdapConnect()
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@ -119,12 +123,46 @@ def cscPositionList(ctx, arg):
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print e
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raise
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#
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# csc:ical-datetime
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#
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def cscIcalDatetime(ctx, date, time, addmin = "0"):
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date = xslArgToString(date)
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time = xslArgToString(time)
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addmin = int(xslArgToString(addmin))
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r = re.search("(\d*)-(\d*)-(\d*)", date)
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year, month, day = 0, 0, 0
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if r != None:
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year, month, day = (int(i) for i in r.groups())
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r = re.search("(\d*):(\d*)\s*([apAP])", time)
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hour, minute = (0, 0)
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if r != None:
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hour, minute = (int(i) for i in r.groups()[:2])
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if r.group(3) in 'pP':
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hour += 12
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dt = datetime.datetime(year, month, day, hour, minute)
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dt += datetime.timedelta(0, 0, 0, 0, addmin)
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return dt.strftime("%Y%m%dT%H%M%S")
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#
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# csc:ical-escape
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#
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def cscIcalEscape(ctx, str):
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str = xslArgToString(str)
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str = str.replace("\n", " ")
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str = str.replace(":", "")
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str = str.replace(";", "")
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str = str.replace(",", "")
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str = re.sub("\s+", " ", str)
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str = re.sub("^\s+", "", str)
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str = re.sub("\s+$", "", str)
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return str
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#
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# csc:email
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#
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def cscEmail(ctx, arg):
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if type(arg) == type([]):
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str = libxml2.xmlNode(arg[0]).getContent()
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def cscEmail(ctx, email):
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email = xslArgToString(email)
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return "_EMAIL_TODO_"
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#
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libxslt.registerExtModuleFunction("term", cscUri, cscTerm)
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libxslt.registerExtModuleFunction("member-list", cscUri, cscMemberList)
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libxslt.registerExtModuleFunction("position-list", cscUri, cscPositionList)
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libxslt.registerExtModuleFunction("ical-datetime", cscUri, cscIcalDatetime)
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libxslt.registerExtModuleFunction("ical-escape", cscUri, cscIcalEscape)
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libxslt.registerExtModuleFunction("email", cscUri, cscEmail)
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# parse xml/xslt and apply style-sheet
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@ -166,4 +206,5 @@ try:
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ret = style.saveResultToFilename(outFile, res, 0)
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except Exception, e:
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print e
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sys.exit(1)
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@ -0,0 +1,62 @@
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<xsl:stylesheet version="1.1"
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xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
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xmlns:csc="http://csclub.uwaterloo.ca/xsltproc"
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xmlns="http://www.w3.org/1999/xhtml"
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exclude-result-prefixes="csc">
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<xsl:output method="text" encoding="ISO-8859-1" />
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<xsl:template match="//eventdefs">BEGIN:VCALENDAR
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VERSION:2.0
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X-WR-CALNAME:University of Waterloo Computer Science Club
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PRODID:-//Apple Computer, Inc//iCal 2.0//EN
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X-WR-RELCALID:3359A191-B19E-4B53-BADC-DFC084FC51C9
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X-WR-TIMEZONE:Canada/Eastern
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CALSCALE:GREGORIAN
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METHOD:PUBLISH
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BEGIN:VTIMEZONE
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TZID:Canada/Eastern
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LAST-MODIFIED:20060912T200739Z
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BEGIN:DAYLIGHT
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DTSTART:20060301T070000
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TZOFFSETTO:-0400
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TZOFFSETFROM:+0000
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TZNAME:EDT
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END:DAYLIGHT
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BEGIN:STANDARD
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DTSTART:20061029T020000
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TZOFFSETTO:-0500
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TZOFFSETFROM:-0400
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TZNAME:EST
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END:STANDARD
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BEGIN:DAYLIGHT
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DTSTART:20070311T010000
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TZOFFSETTO:-0400
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TZOFFSETFROM:-0500
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TZNAME:EDT
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END:DAYLIGHT
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END:VTIMEZONE
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<xsl:for-each select="eventitem"><xsl:call-template name="eventitem" /></xsl:for-each>
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END:VCALENDAR
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</xsl:template>
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<xsl:template name="eventitem">
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<xsl:variable name="room" select="@room" />
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<xsl:variable name="start" select="csc:ical-datetime(@date, @time)" />
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<xsl:variable name="end" select="csc:ical-datetime(@date, @time, 60)" />
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<xsl:variable name="title" select="csc:ical-escape(@title)" />
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<xsl:variable name="short" select="csc:ical-escape(string(short))" />
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<xsl:variable name="abstract" select="csc:ical-escape(string(abstract))" />
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BEGIN:VEVENT
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LOCATION:University of Waterloo - <xsl:value-of select="$room" />
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DTSTAMP:20060912T200708Z
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UID:<xsl:value-of select="$start" />@csclub.uwaterloo.ca
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SEQUENCE:11
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DTSTART;TZID=Canada/Eastern:<xsl:value-of select="$start" />
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DTEND;TZID=Canada/Eastern:<xsl:value-of select="$end" />
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SUMMARY:<xsl:value-of select="$title" /><xsl:if test="$short != ''"> -- <xsl:value-of select="$short" /></xsl:if>
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DESCRIPTION:<xsl:value-of select="$abstract" />
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END:VEVENT
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</xsl:template>
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</xsl:stylesheet>
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