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Implementation of the majority of RFC 3339 for python.

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README.md

Python RFC 3339 implementation

Implementation of the majority of http://www.ietf.org/rfc/rfc3339.txt. Provides an implementation of tzinfo for UTC (why isn't this in the standard library?) as well as various parsing and formatting routines based on RFC 3339's syntax for dates and times.

Use datetime.datetime.isoformat() as an inverse of the various parsing routines in this module.

This library sticks quite closely to the RFC 3339 profile of ISO 8601. If that's too strict for you, and you need something for parsing more general ISO 8601 dates and times, you might find pyiso8601 (in debian as package python-iso8601) useful.

Examples and documentation

See the docstrings in the rfc3339 module source code itself.

Limitations and potential improvements

Limitations, with respect to RFC 3339:

  • Section 4.3, "Unknown Local Offset Convention", is not implemented.

  • Section 5.6, "Internet Date/Time Format", is the ONLY supported format implemented by the various parsers in this module. (Section 5.6 is reproduced in its entirety below.)

  • Section 5.7, "Restrictions", is left to the datetime.datetime constructor to implement, with the exception of limits on timezone minutes-east-of-UTC magnitude. In particular, leap seconds are not addressed by this module. (And it appears that they are not supported by datetime, either.)

Potential Improvements:

Copyright

rfc3339.py -- Implementation of the majority of RFC 3339 for python.
Copyright (c) 2008, 2009, 2010 LShift Ltd. query@lshift.net

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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