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-rwxr-xr-xcontrib/caldav/calcurse-caldav.py79
1 files changed, 50 insertions, 29 deletions
diff --git a/contrib/caldav/calcurse-caldav.py b/contrib/caldav/calcurse-caldav.py
index 4b5d4c9..93193f4 100755
--- a/contrib/caldav/calcurse-caldav.py
+++ b/contrib/caldav/calcurse-caldav.py
@@ -13,6 +13,7 @@ import sys
import textwrap
import xml.etree.ElementTree as etree
+
def die(msg):
newmsg = ""
for line in msg.splitlines():
@@ -22,6 +23,7 @@ def die(msg):
msg += 'error: ' + line + '\n'
sys.exit(msg.rstrip('\n'))
+
def die_atnode(msg, node):
if debug:
msg += '\n\n'
@@ -29,6 +31,7 @@ def die_atnode(msg, node):
msg += etree.tostring(node).decode('utf-8')
die(msg)
+
def calcurse_wipe():
if verbose:
print('Removing all local calcurse objects...')
@@ -36,16 +39,19 @@ def calcurse_wipe():
return
subprocess.call([calcurse, '-F', '--filter-hash=XXX'])
+
def calcurse_import(icaldata):
p = subprocess.Popen([calcurse, '-i', '-', '--list-imported', '-q'],
stdin=subprocess.PIPE, stdout=subprocess.PIPE)
return p.communicate(icaldata.encode('utf-8'))[0].decode('utf-8').rstrip()
+
def calcurse_export(objhash):
p = subprocess.Popen([calcurse, '-x', 'ical', '--export-uid',
'--filter-hash=' + objhash], stdout=subprocess.PIPE)
return p.communicate()[0].decode('utf-8').rstrip()
+
def calcurse_hashset():
p = subprocess.Popen([calcurse, '-G'], stdout=subprocess.PIPE)
out = p.communicate()[0]
@@ -59,26 +65,30 @@ def calcurse_hashset():
hashes.add(sha1.hexdigest())
return hashes
+
def calcurse_remove(objhash):
subprocess.call([calcurse, '-F', '--filter-hash=!' + objhash])
+
def calcurse_version():
p = subprocess.Popen([calcurse, '--version'], stdout=subprocess.PIPE)
- m = re.match('calcurse ([0-9]+)\.([0-9]+)\.([0-9]+)(?:-([0-9]+)-)?',
+ m = re.match(r'calcurse ([0-9]+)\.([0-9]+)\.([0-9]+)(?:-([0-9]+)-)?',
p.communicate()[0].decode('utf-8'))
if not m:
return None
- return tuple(map(int, m.groups(0)))
+ return tuple([int(group) for group in m.groups(0)])
+
def get_auth_headers():
if not username or not password:
return {}
user_password = ('%s:%s' % (username, password)).encode('ascii')
user_password = base64.b64encode(user_password).decode('ascii')
- headers = { 'Authorization' : 'Basic %s' % user_password }
+ headers = {'Authorization': 'Basic %s' % user_password}
return headers
-def remote_query(cmd, path, additional_headers, body):
+
+def remote_query(conn, cmd, path, additional_headers, body):
headers = custom_headers.copy()
headers.update(get_auth_headers())
if cmd == 'PUT':
@@ -118,22 +128,24 @@ def remote_query(cmd, path, additional_headers, body):
return (headers, body)
+
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>'
+ 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:
- 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"></C:comp-filter>' +\
- '</C:filter></C:calendar-query>'
-
- headers, body = remote_query("REPORT", path, {}, body)
+ 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" /></C:filter>'
+ '</C:calendar-query>')
+ headers, body = remote_query(conn, "REPORT", path, {}, body)
if not headers:
return {}
root = etree.fromstring(body)
@@ -154,13 +166,15 @@ def get_hrefmap(conn, hrefs=[]):
return hrefmap
+
def remote_wipe(conn):
if verbose:
print('Removing all objects from the CalDAV server...')
if dry_run:
return
- remote_query("DELETE", path, {}, None)
+ remote_query(conn, "DELETE", path, {}, None)
+
def get_syncdb(fn):
if not os.path.exists(fn):
@@ -177,6 +191,7 @@ def get_syncdb(fn):
return syncdb
+
def save_syncdb(fn, syncdb):
if verbose:
print('Saving synchronization database to ' + fn + '...')
@@ -187,10 +202,11 @@ def save_syncdb(fn, syncdb):
for etag, objhash in syncdb.items():
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", href, {}, body)
+ headers, body = remote_query(conn, "PUT", href, {}, body)
if not headers:
return None
@@ -207,9 +223,11 @@ def push_object(conn, objhash):
return etag
+
def remove_remote_object(conn, etag, href):
- headers = { 'If-Match' : '"' + etag + '"' }
- remote_query("DELETE", href, headers, None)
+ headers = {'If-Match': '"' + etag + '"'}
+ remote_query(conn, "DELETE", href, headers, None)
+
def push_objects(conn, syncdb, hrefmap):
objhashes = calcurse_hashset()
@@ -237,7 +255,7 @@ def push_objects(conn, syncdb, hrefmap):
deletags.append(key)
for etag in deletags:
- if not etag in hrefmap:
+ if etag not in hrefmap:
continue
href = hrefmap[etag]
@@ -252,18 +270,20 @@ def push_objects(conn, syncdb, hrefmap):
return (added, deleted)
+
def pull_objects(conn, syncdb, hrefmap):
missing = set(hrefmap.keys()) - set(syncdb.keys())
orphan = set(syncdb.keys()) - set(hrefmap.keys())
# Download and import new objects from the server.
- 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 /><C:calendar-data /></D:prop>'
+ 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 /><C:calendar-data /></D:prop>')
for etag in missing:
body += '<D:href>%s</D:href>' % (hrefmap[etag])
body += '</C:calendar-multiget>'
- headers, body = remote_query("REPORT", path, {}, body)
+ headers, body = remote_query(conn, "REPORT", path, {}, body)
root = etree.fromstring(body)
@@ -304,8 +324,9 @@ def pull_objects(conn, syncdb, hrefmap):
return (added, deleted)
+
# Initialize the XML namespace map.
-nsmap = { "D": "DAV:", "C": "urn:ietf:params:xml:ns:caldav" }
+nsmap = {"D": "DAV:", "C": "urn:ietf:params:xml:ns:caldav"}
# Initialize default values.
configfn = os.path.expanduser("~/.calcurse/caldav/config")
@@ -429,9 +450,9 @@ try:
if init:
# In initialization mode, start with an empty synchronization database.
- if (args.init == 'keep-remote'):
+ if args.init == 'keep-remote':
calcurse_wipe()
- elif (args.init == 'keep-local'):
+ elif args.init == 'keep-local':
remote_wipe(conn)
syncdb = {}
else:
@@ -441,9 +462,9 @@ try:
if not syncdb:
die('Sync database not found or empty. Please initialize the ' +
'database first.\n\nSupported initialization modes are:\n' +
- ' --init=keep-remote Remove all local calcurse items and import remote objects\n' +
- ' --init=keep-local Remove all remote objects and push local calcurse items\n' +
- ' --init=two-way Copy local objects to the CalDAV server and vice versa')
+ ' --init=keep-remote Remove all local calcurse items\n' +
+ ' --init=keep-local Remove all remote objects\n' +
+ ' --init=two-way Copy local items to the server and vice versa')
# Query the server and build a dictionary that maps ETags to paths on the
# server.