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AutoHotkey v2 aims to improve the usability and convenience of the language and command set by sacrificing backward compatibility.

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  • Liverpool assistant manager Pep Ljinders has praised Fabinho for his positional 'sacrifice' in the team's 2-0 win over Chelsea in the Premier League last weekend.
  • VERSION 2.1.5.1. Adds support for individual versions of Windows 10. Updates the report format. Improves the user interface. VERSION 2.0.10.1. Provides feature to assist with Windows OS migration. Provides limited firmware update support. Improves recommendations for all platforms. Provides dependency information for the SoftPaq. VERSION 1.5.8.1.
  • If your Mac is using the macOS Mojave, you have to download Windows Migration Assistant v2.2.0.0. Download Windows Migration Assistant v2.1.2.0 for transferring data from PC to macOS High Sierra and Sierra. Download Windows Migration Assistant v1.0.5.7 for transferring data from PC to macOS ElCapitan or earlier.

Powered by a worldwide community of tinkerers and DIY enthusiasts. Home Assistant. HTML Apache-2.0 0 1 0 0 Updated Oct 13, 2020.

The focus of v2 is on changes that cannot be made in v1 due to backward compatibility. As such, new features which do not require a break in compatibility are outside the scope of v2. Most scripts written for AutoHotkey v1 will require some changes in order to run on AutoHotkey v2.

The current alpha release is usable, but some features, behaviour or syntax may be altered in the next release or future releases.

Downloads

  • Includes Unicode 32-bit and 64-bit binaries, and (incomplete) documentation.
  • Compiling scripts requires Ahk2Exe.exe, which can be copied from an AutoHotkey v1 installation or AutoHotkey.zip.
  • This release should run on Windows XP and later, but XP support may be dropped in the future.

Note: Google Safe Browsing sometimes falsely flags the following directory as containing 'harmful programs'. For more information, see Safe Browsing.

Source code is available at GitHub.

Get Involved

To get up to speed on the current state and direction of v2, refer to the following:

  • Thoughts for v2.0 (v2-thoughts) documents most of the planned changes and some points that have yet to be worked out.
  • Changes from v1.1 to v2.0 (v2-changes) details the many differences between v1.1 and the current v2.0 alpha.
  • Commit History on GitHub.

Contribute via GitHub.

Documentation

Currently (as of October 2016) the documentation is usable, but still contains much example code which does not function correctly on v2.


Software License:GNU General Public License.

Latest version

Released:

Fast ISO8601 date time parser for Python written in C

Project description

ciso8601 converts ISO 8601 or RFC 3339 date time strings into Python datetime objects.

Since it's written as a C module, it is much faster than other Python libraries.Tested with Python 2.7, 3.4, 3.5, 3.6, 3.7, 3.8.

Note: ciso8601 doesn't support the entirety of the ISO 8601 spec, only a popular subset.

(Interested in working on projects like this? Close is looking for great engineers to join our team)

Contents

  • Supported Subset of ISO 8601

Migration to v2

Version 2.0.0 of ciso8601 changed the core implementation. This was not entirely backwards compatible, and care should be taken when migratingSee CHANGELOG for the Migration Guide.

Error Handling

Starting in v2.0.0, ciso8601 offers strong guarantees when it comes to parsing strings.

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parse_datetime(dt: String): datetime is a function that takes a string and either: Liquibid video exposure and effects 1 0 6 0.

  • Returns a properly parsed Python datetime, if and only if the entire string conforms to the supported subset of ISO 8601
  • Raises a ValueError with a description of the reason why the string doesn't conform to the supported subset of ISO 8601

If time zone information is provided, an aware datetime object will be returned. Otherwise, a naive datetime is returned.

Benchmark

Parsing a timestamp with no time zone information (ex. 2014-01-09T21:48:00):

ModulePython 3.8Python 3.7Python 3.6Python 3.5Python 3.4Python 2.7Relative Slowdown (versus ciso8601, Python 3.8)
ciso8601201 nsec157 nsec160 nsec139 nsec148 nsec147 nsecN/A
pendulum215 nsec232 nsec234 nsec205 nsec192 nsec9.44 usec1.1x
udatetime906 nsec1.06 usec767 nsec702 nsec819 nsec923 nsec4.5x
str2date5.96 usec7.75 usec7.27 usec6.84 usec7.6 usecIncorrect Result (None)29.7x
isodate10.3 usec10 usec11.1 usec11.9 usec12.3 usec43.6 usec51.3x
iso8601utils10.3 usec8.63 usec9.16 usec10.3 usec9.58 usec11.1 usec51.5x
iso860110.9 usec11.1 usec10.5 usec11.2 usec11.5 usec25.6 usec54.2x
PySO860113.9 usec21.9 usec20.2 usec15.9 usec23.7 usec16.4 usec69.4x
aniso860114.5 usec15 usec15.8 usec15.9 usec16.1 usec17.2 usec72.5x
zulu25.3 usec29.9 usec28.2 usec27.4 usec33 usecN/A126.3x
maya42.9 usec57.4 usec58.2 usec67.5 usec87.6 usec100 usec213.7x
arrow85.7 usec81.8 usec75.7 usec78.7 usecN/A93.9 usec427.1x
python-dateutil122 usec82.7 usec72.2 usec77.1 usec74.4 usec131 usec609.5x
moment3.81 msec4.46 msec3.12 msec3.66 msecN/A3.59 msec19011.9x

ciso8601 takes 201 nsec, which is 1.1x faster than pendulum, the next fastest ISO 8601 parser in this comparison.

Parsing a timestamp with time zone information (ex. 2014-01-09T21:48:00-05:30):

ModulePython 3.8Python 3.7Python 3.6Python 3.5Python 3.4Python 2.7Relative Slowdown (versus ciso8601, Python 3.8)
ciso8601207 nsec219 nsec282 nsec262 nsec264 nsec360 nsecN/A
pendulum249 nsec225 nsec209 nsec212 nsec209 nsec12.9 usec1.2x
udatetime806 nsec866 nsec817 nsec827 nsec792 nsec835 nsec3.9x
str2date7.57 usec10.7 usec7.98 usec8.48 usec9.06 usecIncorrect Result (None)36.7x
isodate12 usec13.5 usec14.7 usec15.4 usec18.8 usec47.6 usec58.3x
iso860112.8 usec14.6 usec14.6 usec15.2 usec17.7 usec30 usec61.8x
aniso860119.4 usec30.4 usec22.1 usec20.5 usec21.9 usec20.1 usec94.0x
iso8601utils22.5 usec25.3 usec26.4 usec25.7 usec27 usec26.9 usec108.9x
zulu25.6 usec31.2 usec30 usec32.3 usec30.7 usecN/A124.1x
PySO860125.9 usec35.4 usec25.6 usec29.5 usec27.7 usec25.7 usec125.2x
maya48.5 usec46.6 usec51.3 usec63.2 usec68.1 usec125 usec234.9x
python-dateutil79.3 usec88.5 usec101 usec89.8 usec91.9 usec160 usec384.2x
arrow86.2 usec95.2 usec95 usec101 usecN/A103 usec417.2x
momentIncorrect Result (None)Incorrect Result (None)Incorrect Result (None)Incorrect Result (None)N/AIncorrect Result (None)3442935.3x

ciso8601 takes 207 nsec, which is 1.2x faster than pendulum, the next fastest ISO 8601 parser in this comparison.

Tested on Darwin 18.7.0 using the following modules:

Note: ciso8601 doesn't support the entirety of the ISO 8601 spec, only a popular subset.

Rich little piggies slot. For full benchmarking details (or to run the benchmark yourself), see benchmarking/README.rst

Dependency on pytz (Python 2)

In Python 2, ciso8601 uses the pytz library while parsing timestamps with time zone information. This means that if you wish to parse such timestamps, you must first install pytz:

Otherwise, ciso8601 will raise an exception when you try to parse a timestamp with time zone information:

pytz is intentionally not an explicit dependency of ciso8601. This is because many users use ciso8601 to parse only naive timestamps, and therefore don't need this extra dependency.In Python 3, ciso8601 makes use of the built-in datetime.timezone class instead, so pytz is not necessary.

Supported Subset of ISO 8601

ciso8601 only supports the most common subset of ISO 8601.

Date Formats

The following date formats are supported:

FormatExampleSupported
YYYY-MM-DD2018-04-29
YYYY-MM2018-04
YYYYMMDD2018-04
--MM-DD (omitted year)--04-29
--MMDD (omitted year)--0429
±YYYYY-MM (>4 digit year)+10000-04
+YYYY-MM (leading +)+2018-04
-YYYY-MM (negative -)-2018-04

Week dates or ordinal dates are not currently supported.

FormatExampleSupported
YYYY-Www (week date)2009-W01
YYYYWww (week date)2009W01
YYYY-Www-D (week date)2009-W01-1
YYYYWwwD (week date)2009-W01-1
YYYY-DDD (ordinal date)1981-095
YYYYDDD (ordinal date)1981095

Time Formats

Times are optional and are separated from the date by the letter T.

Consistent with RFC 3339, ciso860 also allows either a space character, or a lower-case t, to be used instead of a T.

The following time formats are supported:

FormatExampleSupported
hh11
hhmm1130
hh:mm11:30
hhmmss113059
hh:mm:ss11:30:59
hhmmss.ssssss113059.123456
hh:mm:ss.ssssss11:30:59.123456
hhmmss,ssssss113059,123456
hh:mm:ss,ssssss11:30:59,123456
Midnight (special case)24:00:00
hh.hhh (fractional hours)11.5
hh:mm.mmm (fractional minutes)11:30.5

Note: Python datetime objects only have microsecond precision (6 digits). Any additional precision will be truncated.

Time Zone Information

Time zone information may be provided in one of the following formats:

FormatExampleSupported
ZZ
zz
±hh+11
±hhmm+1130
±hh:mm+11:30

Hider 2 5. While the ISO 8601 specification allows the use of MINUS SIGN (U+2212) in the time zone separator, ciso8601 only supports the use of the HYPHEN-MINUS (U+002D) character.

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Consistent with RFC 3339, ciso860 also allows a lower-case z to be used instead of a Z. Ck2 change hair color.

Strict RFC 3339 Parsing

ciso8601 parses ISO 8601 datetimes, which can be thought of as a superset of RFC 3339 (roughly). In cases where you might want strict RFC 3339 parsing, ciso8601 offers a parse_rfc3339 method, which behaves in a similar manner to parse_datetime:

parse_rfc3339(dt: String): datetime is a function that takes a string and either:

  • Returns a properly parsed Python datetime, if and only if the entire string conforms to RFC 3339.
  • Raises a ValueError with a description of the reason why the string doesn't conform to RFC 3339.

Ignoring Timezone Information While Parsing

It takes more time to parse timestamps with time zone information, especially if they're not in UTC. However, there are times when you don't care about time zone information, and wish to produce naive datetimes instead.For example, if you are certain that your program will only parse timestamps from a single time zone, you might want to strip the time zone information and only output naive datetimes.

In these limited cases, there is a second function provided.parse_datetime_as_naive will ignore any time zone information it finds and, as a result, is faster for timestamps containing time zone information.

NOTE: parse_datetime_as_naive is only useful in the case where your timestamps have time zone information, but you want to ignore it. This is somewhat unusual.If your timestamps don't have time zone information (i.e. are naive), simply use parse_datetime. It is just as fast.

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