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calcurse-caldav: Use calendar-multiget to obtain ETag

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Some CalDAV servers do not support calendar-query with a UID filter. Use
a calendar-multiget request to obtain the ETag of submitted objects
instead.

Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
This commit is contained in:
Lukas Fleischer 2016-01-26 17:33:49 +01:00
parent 304ff81836
commit 3dbfc7c1f5
1 changed files with 17 additions and 14 deletions
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25
contrib/caldav/calcurse-caldav.py
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@ -118,19 +118,21 @@ def remote_query(cmd, path, additional_headers, body):
return (headers, body)
def get_hrefmap(conn, uid=None):
if uid:
propfilter = ('<C:prop-filter name="UID">' +
'<C:text-match collation="i;octet" >%s</C:text-match>' +
'</C:prop-filter>') % (uid)
def get_hrefmap(conn, hrefs=[]):
if len(hrefs) > 0:
body = '<?xml version="1.0" encoding="utf-8" ?>' +\
'<C:calendar-multiget xmlns:D="DAV:" xmlns:C="urn:ietf:params:xml:ns:caldav">' +\
'<D:prop><D:getetag /></D:prop>'
for href in hrefs:
body += '<D:href>{}</D:href>'.format(href)
body += '</C:calendar-multiget>'
else:
propfilter = ''
body = '<?xml version="1.0" encoding="utf-8" ?>' +\
'<C:calendar-query xmlns:D="DAV:" xmlns:C="urn:ietf:params:xml:ns:caldav">' +\
'<D:prop><D:getetag /></D:prop><C:filter>' +\
'<C:comp-filter name="VCALENDAR">' + propfilter + '</C:comp-filter>' +\
'<C:comp-filter name="VCALENDAR"></C:comp-filter>' +\
'</C:filter></C:calendar-query>'
headers, body = remote_query("REPORT", path, {}, body)
if not headers:
return {}
@ -186,8 +188,9 @@ def save_syncdb(fn, syncdb):
print("%s %s" % (etag, objhash), file=f)
def push_object(conn, objhash):
href = path + objhash + ".ics"
body = calcurse_export(objhash)
headers, body = remote_query("PUT", path + objhash + ".ics", {}, body)
headers, body = remote_query("PUT", href, {}, body)
if not headers:
return None
@ -197,9 +200,9 @@ def push_object(conn, objhash):
if 'etag' in headerdict:
etag = headerdict['etag']
while not etag:
hrefmap = get_hrefmap(conn, objhash)
hrefmap = get_hrefmap(conn, [href])
if len(hrefmap.keys()) > 0:
etag = hrefmap.keys()[0]
etag = next(iter(hrefmap.keys()))
etag = etag.strip('"')
return etag