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python-aniso8601 package from aniso8601 repo

python-aniso8601

Third-Party Package

This third-party package's source repository does not contain a package manifest. Instead, its package manifest is stored in its release repository. In order to build this package from source in a Catkin workspace, please download its package manifest.

Package Summary

Tags No category tags.
Version 0.8.3
License BSD
Build type CATKIN
Use RECOMMENDED

Repository Summary

Checkout URI https://bitbucket.org/nielsenb/aniso8601.git
VCS Type git
VCS Version v0.83
Last Updated 2014-08-06
Dev Status MAINTAINED
Released RELEASED

Package Description

Another ISO 8601 parser for Python

Additional Links

Maintainers

  • AlexV

Authors

  • Brandon Nielsen

aniso8601

Another ISO 8601 parser for Python

Features

  • Pure Python implementation
  • Python 3 support
  • No extra dependencies
  • Logical behavior
  • UTC offset represented as fixed-offset tzinfo
  • No regular expressions

Installation

The recommended installation method is to use pip:

$ pip install aniso8601

Alternatively, you can download the source (git repository hosted at Bitbucket) and install directly:

$ python setup.py install

Use

Parsing datetimes

To parse a typical ISO 8601 datetime string:

>>> import aniso8601
>>> aniso8601.parse_datetime('1977-06-10T12:00:00Z')
datetime.datetime(1977, 6, 10, 12, 0, tzinfo=<aniso8601.UTCOffset object at 0x7f44fadbbd90>)

Alternative delimiters can be specified, for example, a space:

>>> aniso8601.parse_datetime('1977-06-10 12:00:00Z', delimiter=' ')
datetime.datetime(1977, 6, 10, 12, 0, tzinfo=<aniso8601.UTCOffset object at 0x7f44fadbbf50>)

UTC offsets are supported:

>>> aniso8601.parse_datetime('1979-06-05T08:00:00-08:00')
datetime.datetime(1979, 6, 5, 8, 0, tzinfo=<aniso8601.UTCOffset object at 0x7f44fadbbf50>)

If a UTC offset is not specified, the returned datetime will be naive:

>>> aniso8601.parse_datetime('1983-01-22T08:00:00')
datetime.datetime(1983, 1, 22, 8, 0)

Parsing dates

To parse a date represented in an ISO 8601 string:

>>> import aniso8601
>>> aniso8601.parse_date('1984-04-23')
datetime.date(1984, 4, 23)

Basic format is supported as well:

>>> aniso8601.parse_date('19840423')
datetime.date(1984, 4, 23)

To parse a date using the ISO 8601 week date format:

>>> aniso8601.parse_date('1986-W38-1')
datetime.date(1986, 9, 15)

To parse an ISO 8601 ordinal date:

>>> aniso8601.parse_date('1988-132')
datetime.date(1988, 5, 11)

Parsing times

To parse a time formatted as an ISO 8601 string:

>>> import aniso8601
>>> aniso8601.parse_time('11:31:14')
datetime.time(11, 31, 14)

As with all of the above, basic format is supported:

>>> aniso8601.parse_time('113114')
datetime.time(11, 31, 14)

A UTC offset can be specified for times:

>>> aniso8601.parse_time('17:18:19-02:30')
datetime.time(17, 18, 19, tzinfo=<aniso8601.UTCOffset object at 0x7f44fad82c50>)
>>> aniso8601.parse_time('171819Z')
datetime.time(17, 18, 19, tzinfo=<aniso8601.UTCOffset object at 0x7f44fadbbd90>)

Reduced accuracy is supported:

>>> aniso8601.parse_time('21:42')
datetime.time(21, 42)
>>> aniso8601.parse_time('22')
datetime.time(22, 0)

A decimal fraction is always allowed on the lowest order element of an ISO 8601 formatted time:

>>> aniso8601.parse_time('22:33.5')
datetime.time(22, 33, 30)
>>> aniso8601.parse_time('23.75')
datetime.time(23, 45)

Parsing durations

To parse a duration formatted as an ISO 8601 string:

>>> import aniso8601
>>> aniso8601.parse_duration('P1Y2M3DT4H54M6S')
datetime.timedelta(428, 17646)

Reduced accuracy is supported:

>>> aniso8601.parse_duration('P1Y')
datetime.timedelta(365)

A decimal fraction is allowed on the lowest order element:

>>> aniso8601.parse_duration('P1YT3.5M')
datetime.timedelta(365, 210)

The decimal fraction can be specified with a comma instead of a full-stop:

>>> aniso8601.parse_duration('P1YT3,5M')
datetime.timedelta(365, 210)

Parsing a duration from a combined date and time is supported as well:

>>> aniso8601.parse_duration('P0001-01-02T01:30:5')
datetime.timedelta(397, 5405)

Parsing intervals

To parse an interval specified by a start and end:

>>> import aniso8601
>>> aniso8601.parse_interval('2007-03-01T13:00:00/2008-05-11T15:30:00')
(datetime.datetime(2007, 3, 1, 13, 0), datetime.datetime(2008, 5, 11, 15, 30))

Intervals specified by a start time and a duration are supported:

>>> aniso8601.parse_interval('2007-03-01T13:00:00Z/P1Y2M10DT2H30M')
(datetime.datetime(2007, 3, 1, 13, 0, tzinfo=<aniso8601.UTCOffset object at 0x7f698d44d110>), datetime.datetime(2008, 5, 9, 15, 30, tzinfo=<aniso8601.UTCOffset object at 0x7f698d44d110>))

A duration can also be specified by a duration and end time:

>>> aniso8601.parse_interval('P1M/1981-04-05')
(datetime.date(1981, 4, 5), datetime.date(1981, 3, 6))

Notice that the result of the above parse is not in order from earliest to latest. If sorted intervals are required, simply use the 'sorted' keyword as shown below:

>>> sorted(aniso8601.parse_interval('P1M/1981-04-05'))
[datetime.date(1981, 3, 6), datetime.date(1981, 4, 5)]

Repeating intervals are supported as well, and return a generator:

>>> aniso8601.parse_repeating_interval('R3/1981-04-05/P1D')
<generator object date_generator at 0x7f698cdefc80>
>>> list(aniso8601.parse_repeating_interval('R3/1981-04-05/P1D'))
[datetime.date(1981, 4, 5), datetime.date(1981, 4, 6), datetime.date(1981, 4, 7)]

Repeating intervals are allowed to go in the reverse direction:

>>> list(aniso8601.parse_repeating_interval('R2/PT1H2M/1980-03-05T01:01:00'))
[datetime.datetime(1980, 3, 5, 1, 1), datetime.datetime(1980, 3, 4, 23, 59)]

Unbounded intervals are also allowed (Python 2):

>>> result = aniso8601.parse_repeating_interval('R/PT1H2M/1980-03-05T01:01:00')
>>> result.next()
datetime.datetime(1980, 3, 5, 1, 1)
>>> result.next()
datetime.datetime(1980, 3, 4, 23, 59)

or for Python 3:

>>> result = aniso8601.parse_repeating_interval('R/PT1H2M/1980-03-05T01:01:00')
>>> next(result)
datetime.datetime(1980, 3, 5, 1, 1)
>>> next(result)
datetime.datetime(1980, 3, 4, 23, 59)

Note that you should never try to convert a generator produced by an unbounded interval to a list:

>>> list(aniso8601.parse_repeating_interval('R/PT1H2M/1980-03-05T01:01:00'))
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "aniso8601/__init__.py", line 707, in date_generator_unbounded
    currentdate += timedelta
OverflowError: date value out of range

Tests

To run the unit tests, in your source checkout, navigate to the source directory for the Python version being worked on (python2, python3) and type:

$ python -m unittest discover aniso8601/tests/

Contributing

aniso8601 is an open source project hosted on Bitbucket.

Any and all bugs are welcome on our issue tracker. Of particular interest are valid ISO 8601 strings that don't parse, or invalid ones that do. At a minimum, bug reports should include an example of the misbehaving string, as well as the expected result. Of course patches containing unit tests (or fixed bugs) are welcome!

References

CHANGELOG
No CHANGELOG found.

Wiki Tutorials

See ROS Wiki Tutorials for more details.

Source Tutorials

Not currently indexed.

Package Dependencies

Deps Name
2 catkin_pip

System Dependencies

No direct system dependencies.

Dependant Packages

No known dependants.

Launch files

No launch files found

Messages

No message files found.

Services

No service files found

Plugins

No plugins found.

Recent questions tagged python-aniso8601 at answers.ros.org

No version for distro ardent. Known supported distros are highlighted in the buttons above.

python-aniso8601 package from aniso8601 repo

python-aniso8601

Third-Party Package

This third-party package's source repository does not contain a package manifest. Instead, its package manifest is stored in its release repository. In order to build this package from source in a Catkin workspace, please download its package manifest.

Package Summary

Tags No category tags.
Version 0.8.3
License BSD
Build type CATKIN
Use RECOMMENDED

Repository Summary

Checkout URI https://bitbucket.org/nielsenb/aniso8601.git
VCS Type git
VCS Version v0.83
Last Updated 2014-08-06
Dev Status MAINTAINED
Released RELEASED

Package Description

Another ISO 8601 parser for Python

Additional Links

Maintainers

  • AlexV

Authors

  • Brandon Nielsen

aniso8601

Another ISO 8601 parser for Python

Features

  • Pure Python implementation
  • Python 3 support
  • No extra dependencies
  • Logical behavior
  • UTC offset represented as fixed-offset tzinfo
  • No regular expressions

Installation

The recommended installation method is to use pip:

$ pip install aniso8601

Alternatively, you can download the source (git repository hosted at Bitbucket) and install directly:

$ python setup.py install

Use

Parsing datetimes

To parse a typical ISO 8601 datetime string:

>>> import aniso8601
>>> aniso8601.parse_datetime('1977-06-10T12:00:00Z')
datetime.datetime(1977, 6, 10, 12, 0, tzinfo=<aniso8601.UTCOffset object at 0x7f44fadbbd90>)

Alternative delimiters can be specified, for example, a space:

>>> aniso8601.parse_datetime('1977-06-10 12:00:00Z', delimiter=' ')
datetime.datetime(1977, 6, 10, 12, 0, tzinfo=<aniso8601.UTCOffset object at 0x7f44fadbbf50>)

UTC offsets are supported:

>>> aniso8601.parse_datetime('1979-06-05T08:00:00-08:00')
datetime.datetime(1979, 6, 5, 8, 0, tzinfo=<aniso8601.UTCOffset object at 0x7f44fadbbf50>)

If a UTC offset is not specified, the returned datetime will be naive:

>>> aniso8601.parse_datetime('1983-01-22T08:00:00')
datetime.datetime(1983, 1, 22, 8, 0)

Parsing dates

To parse a date represented in an ISO 8601 string:

>>> import aniso8601
>>> aniso8601.parse_date('1984-04-23')
datetime.date(1984, 4, 23)

Basic format is supported as well:

>>> aniso8601.parse_date('19840423')
datetime.date(1984, 4, 23)

To parse a date using the ISO 8601 week date format:

>>> aniso8601.parse_date('1986-W38-1')
datetime.date(1986, 9, 15)

To parse an ISO 8601 ordinal date:

>>> aniso8601.parse_date('1988-132')
datetime.date(1988, 5, 11)

Parsing times

To parse a time formatted as an ISO 8601 string:

>>> import aniso8601
>>> aniso8601.parse_time('11:31:14')
datetime.time(11, 31, 14)

As with all of the above, basic format is supported:

>>> aniso8601.parse_time('113114')
datetime.time(11, 31, 14)

A UTC offset can be specified for times:

>>> aniso8601.parse_time('17:18:19-02:30')
datetime.time(17, 18, 19, tzinfo=<aniso8601.UTCOffset object at 0x7f44fad82c50>)
>>> aniso8601.parse_time('171819Z')
datetime.time(17, 18, 19, tzinfo=<aniso8601.UTCOffset object at 0x7f44fadbbd90>)

Reduced accuracy is supported:

>>> aniso8601.parse_time('21:42')
datetime.time(21, 42)
>>> aniso8601.parse_time('22')
datetime.time(22, 0)

A decimal fraction is always allowed on the lowest order element of an ISO 8601 formatted time:

>>> aniso8601.parse_time('22:33.5')
datetime.time(22, 33, 30)
>>> aniso8601.parse_time('23.75')
datetime.time(23, 45)

Parsing durations

To parse a duration formatted as an ISO 8601 string:

>>> import aniso8601
>>> aniso8601.parse_duration('P1Y2M3DT4H54M6S')
datetime.timedelta(428, 17646)

Reduced accuracy is supported:

>>> aniso8601.parse_duration('P1Y')
datetime.timedelta(365)

A decimal fraction is allowed on the lowest order element:

>>> aniso8601.parse_duration('P1YT3.5M')
datetime.timedelta(365, 210)

The decimal fraction can be specified with a comma instead of a full-stop:

>>> aniso8601.parse_duration('P1YT3,5M')
datetime.timedelta(365, 210)

Parsing a duration from a combined date and time is supported as well:

>>> aniso8601.parse_duration('P0001-01-02T01:30:5')
datetime.timedelta(397, 5405)

Parsing intervals

To parse an interval specified by a start and end:

>>> import aniso8601
>>> aniso8601.parse_interval('2007-03-01T13:00:00/2008-05-11T15:30:00')
(datetime.datetime(2007, 3, 1, 13, 0), datetime.datetime(2008, 5, 11, 15, 30))

Intervals specified by a start time and a duration are supported:

>>> aniso8601.parse_interval('2007-03-01T13:00:00Z/P1Y2M10DT2H30M')
(datetime.datetime(2007, 3, 1, 13, 0, tzinfo=<aniso8601.UTCOffset object at 0x7f698d44d110>), datetime.datetime(2008, 5, 9, 15, 30, tzinfo=<aniso8601.UTCOffset object at 0x7f698d44d110>))

A duration can also be specified by a duration and end time:

>>> aniso8601.parse_interval('P1M/1981-04-05')
(datetime.date(1981, 4, 5), datetime.date(1981, 3, 6))

Notice that the result of the above parse is not in order from earliest to latest. If sorted intervals are required, simply use the 'sorted' keyword as shown below:

>>> sorted(aniso8601.parse_interval('P1M/1981-04-05'))
[datetime.date(1981, 3, 6), datetime.date(1981, 4, 5)]

Repeating intervals are supported as well, and return a generator:

>>> aniso8601.parse_repeating_interval('R3/1981-04-05/P1D')
<generator object date_generator at 0x7f698cdefc80>
>>> list(aniso8601.parse_repeating_interval('R3/1981-04-05/P1D'))
[datetime.date(1981, 4, 5), datetime.date(1981, 4, 6), datetime.date(1981, 4, 7)]

Repeating intervals are allowed to go in the reverse direction:

>>> list(aniso8601.parse_repeating_interval('R2/PT1H2M/1980-03-05T01:01:00'))
[datetime.datetime(1980, 3, 5, 1, 1), datetime.datetime(1980, 3, 4, 23, 59)]

Unbounded intervals are also allowed (Python 2):

>>> result = aniso8601.parse_repeating_interval('R/PT1H2M/1980-03-05T01:01:00')
>>> result.next()
datetime.datetime(1980, 3, 5, 1, 1)
>>> result.next()
datetime.datetime(1980, 3, 4, 23, 59)

or for Python 3:

>>> result = aniso8601.parse_repeating_interval('R/PT1H2M/1980-03-05T01:01:00')
>>> next(result)
datetime.datetime(1980, 3, 5, 1, 1)
>>> next(result)
datetime.datetime(1980, 3, 4, 23, 59)

Note that you should never try to convert a generator produced by an unbounded interval to a list:

>>> list(aniso8601.parse_repeating_interval('R/PT1H2M/1980-03-05T01:01:00'))
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "aniso8601/__init__.py", line 707, in date_generator_unbounded
    currentdate += timedelta
OverflowError: date value out of range

Tests

To run the unit tests, in your source checkout, navigate to the source directory for the Python version being worked on (python2, python3) and type:

$ python -m unittest discover aniso8601/tests/

Contributing

aniso8601 is an open source project hosted on Bitbucket.

Any and all bugs are welcome on our issue tracker. Of particular interest are valid ISO 8601 strings that don't parse, or invalid ones that do. At a minimum, bug reports should include an example of the misbehaving string, as well as the expected result. Of course patches containing unit tests (or fixed bugs) are welcome!

References

CHANGELOG
No CHANGELOG found.

Wiki Tutorials

See ROS Wiki Tutorials for more details.

Source Tutorials

Not currently indexed.

Package Dependencies

Deps Name
2 catkin_pip

System Dependencies

No direct system dependencies.

Dependant Packages

No known dependants.

Launch files

No launch files found

Messages

No message files found.

Services

No service files found

Plugins

No plugins found.

Recent questions tagged python-aniso8601 at answers.ros.org

No version for distro hydro. Known supported distros are highlighted in the buttons above.