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* calcurse-caldav: Split object addition and removalLukas Fleischer2016-12-081-18/+34
| | | | | | | | | | | | | | Instead of performing two synchronization steps (push/pull), split the synchronization protocol into four steps: 1. Retrieve new objects from the server. 2. Delete local objects that no longer exist on the server. 3. Push new objects to the server. 4. Delete remote objects that no longer exist locally. Each of the steps is performed by a separate function. Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* calcurse-caldav: Encode the request body in UTF-8Lukas Fleischer2016-06-181-0/+3
| | | | | | | | | When a string is passed to HTTPConnection.request(), it is automatically ISO 8859-1 encoded. Therefore, since we already specify UTF-8 as character set in the headers, we need to UTF-8 encode the request body manually. Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Document the hooks featureLukas Fleischer2016-04-011-1/+16
| | | | Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Support format strings when dumping imported itemsLukas Fleischer2016-02-111-1/+5
| | | | | | | | | | | | | | In commit 3eae7ce (Add --list-imported command line option, 2016-01-12), we added an option to print the hashes of imported items to stdout. Extend this command line option such that it dumps the items using the specified formatting strings. With the new behavior it is, for example, easier to check items for import errors. Also, rename the option from --list-imported to --dump-imported (it is not part of any official release yet so we do not need to care about backwards compatibility). Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Install calcurse-caldav by defaultLukas Fleischer2016-02-091-0/+13
| | | | | | | Add a new Makefile to build and install calcurse-caldav and include it in the top-level build process. Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Improve example hooksLukas Fleischer2016-02-081-6/+11
| | | | | | | | | | | | The post-save and post-sync hooks now automatically detect whether the data directory contains a .git/ directory and skip the commit creation process if it does not. The post-save hook and the new pre-load hook now also run calcurse-caldav in the background if that script is available and the data directory contains a caldav/ directory. Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Do not put all files under version control in example hooksLukas Fleischer2016-02-071-1/+1
| | | | | | Modify the Git hooks such they only add known data files to the index. Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* calcurse-caldav: Add hook supportLukas Fleischer2016-02-072-0/+30
| | | | | | | | | | | Introduce pre-sync and post-sync hooks which need to be located under ~/.calcurse/caldav/hooks/ and are executed before/after synchronization with a CalDAV server. Also, add an example post-sync hook and change the example post-save hook such that it does not create tiny commits during synchronization. Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* calcurse-caldav: Use -G and %(hash) to list hashesLukas Fleischer2016-02-051-13/+7
| | | | | | | | Instead of reimplementing the code to generate object hashes in the synchronization script, use format strings to print the hashes in grep mode. Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* calcurse-caldav: Reword dry-run warningLukas Fleischer2016-02-021-3/+3
| | | | Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* calcurse-caldav: Modernize format stringsLukas Fleischer2016-02-011-20/+21
| | | | | | Replace %-style string formatting with format(). Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* calcurse-caldav: Make synchronization more robustLukas Fleischer2016-02-011-52/+83
| | | | | | | | | | In addition to storing ETag-hash tuples in the synchronization database, also store the URI of each object. This makes the synchronization process a bit more robust as we do not need to depend on ETags being globally unique. It also allows us to detect conflicts which occur when an object is modified locally and on the server at the same time. Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* calcurse-caldav: Fix issues reported by pylintLukas Fleischer2016-02-011-29/+50
| | | | | | Add missing parameter to remote_query() and fix various style issues. Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* calcurse-caldav: Fix version checkLukas Fleischer2016-01-281-1/+1
| | | | | | | Since commit 41389ab (args.c: Revise help/usage/version output, 2016-01-28), the version string starts with "calcurse" (lowercase). Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* calcurse-caldav: Use calendar-multiget to obtain ETagLukas Fleischer2016-01-261-14/+17
| | | | | | | | 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>
* calcurse-caldav: Fix property filterLukas Fleischer2016-01-261-3/+3
| | | | | | | Fix a TypeError that occurred during string formatting by putting parentheses around the multi-line string. Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* calcurse-caldav: Handle missing ETag gracefullyLukas Fleischer2016-01-251-1/+4
| | | | | | | | | | This was partly fixed by 475c341 (calcurse-caldav: Fix late retrieval of ETag, 2016-01-25). However, the case where the server does not return ETag after creating a new item still wasn't handled properly. This patch hopefully addresses this and also makes sure that the ETag header is matched case-insensitively. Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* calcurse-caldav: Improve version checkLukas Fleischer2016-01-251-11/+7
| | | | | | Make sure that at least a current Git build of calcurse is used. Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* calcurse-caldav: Print XML dump in debug mode onlyLukas Fleischer2016-01-251-1/+1
| | | | | | | | In die_atnode(), we currently print a full dump of the XML node if verbose mode is enabled. Change this behavior such that a dump is only created in debug mode. Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* contrib/caldav/README: Minor improvementsLukas Fleischer2016-01-251-5/+5
| | | | Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* calcurse-caldav: Fix comment on certificate checksLukas Fleischer2016-01-251-1/+1
| | | | | | Clarify that ssl._create_unverified_context() was added in Python 3.4.3. Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* calcurse-caldav: Support custom HTTP headersLukas Fleischer2016-01-252-1/+11
| | | | | | | Add support for specifying additional HTTP headers, such as the User-Agent, in the configuration file. Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* calcurse-caldav: Fix late retrieval of ETagLukas Fleischer2016-01-251-2/+2
| | | | | | | Fixes another regression introduced in badbd71 (calcurse-caldav: Add a debug mode, 2016-01-23). Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* calcurse-caldav: Fix --init=keep-localLukas Fleischer2016-01-251-1/+1
| | | | | | | Fixes a regression introduced in badbd71 (calcurse-caldav: Add a debug mode, 2016-01-23). Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* calcurse-caldav: Fix duplicate Content-Type prefixLukas Fleischer2016-01-251-2/+2
| | | | Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* calcurse-caldav: Fix MIME type in requestsLukas Fleischer2016-01-251-1/+4
| | | | | | | Specify application/xml in the Content-Type of requests except for PUT, where we actually submit calendar data. Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* calcurse-caldav: Show debug output before checking statusLukas Fleischer2016-01-241-5/+5
| | | | | | | Make sure we print the headers and the body of a HTTP response in debug mode, even if the HTTP status code indicates failure. Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* calcurse-caldav: Add XML declaration to requestsLukas Fleischer2016-01-241-11/+13
| | | | Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* calcurse-caldav: Prefix error messages with "error:"Lukas Fleischer2016-01-231-3/+5
| | | | Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* calcurse-caldav: Check response statusLukas Fleischer2016-01-231-0/+5
| | | | | | | Bail out if the HTTP status code of any of the replies starts with a digit other than 2. Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* calcurse-caldav: Include command/path in the debug outputLukas Fleischer2016-01-231-2/+5
| | | | Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* calcurse-caldav: Ensure path always starts/ends with a slashLukas Fleischer2016-01-231-1/+1
| | | | Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* calcurse-caldav: Add a debug modeLukas Fleischer2016-01-231-43/+44
| | | | | | | Dump all communication with the server to stdout if --debug is specified. Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* calcurse-caldav: Fix parsing of the Verbose config optionLukas Fleischer2016-01-231-1/+1
| | | | Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* calcurse-caldav: Make InsecureSSL optionalLukas Fleischer2016-01-231-1/+5
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* calcurse-caldav: Add a workaround for Python <3.4Lukas Fleischer2016-01-231-3/+10
| | | | | | | Python versions prior to 3.4 do not check certificates by default and thus do not support ssl._create_unverified_context(). Add a workaround. Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
* Add a script to synchronize with CalDAV serversLukas Fleischer2016-01-223-0/+518
Introduce calcurse-caldav, a Python script that can be used to synchronize calcurse instances with CalDAV servers. The script was tested with an instance of the Radicale CalDAV server but it is still alpha software. Make backups before giving it a try! Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
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