Added delete option to database storage.
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venv/Lib/site-packages/idna-2.10.dist-info/METADATA
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Metadata-Version: 2.1
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Name: idna
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Version: 2.10
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Summary: Internationalized Domain Names in Applications (IDNA)
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Home-page: https://github.com/kjd/idna
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Author: Kim Davies
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Author-email: kim@cynosure.com.au
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License: BSD-like
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Platform: UNKNOWN
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Classifier: Development Status :: 5 - Production/Stable
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Classifier: Intended Audience :: Developers
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Classifier: Intended Audience :: System Administrators
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Classifier: License :: OSI Approved :: BSD License
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Classifier: Operating System :: OS Independent
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Classifier: Programming Language :: Python
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Classifier: Programming Language :: Python :: 2
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Classifier: Programming Language :: Python :: 2.7
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Classifier: Programming Language :: Python :: 3
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Classifier: Programming Language :: Python :: 3.4
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Classifier: Programming Language :: Python :: 3.5
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Classifier: Programming Language :: Python :: 3.6
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Classifier: Programming Language :: Python :: 3.7
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Classifier: Programming Language :: Python :: 3.8
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Classifier: Programming Language :: Python :: Implementation :: CPython
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Classifier: Programming Language :: Python :: Implementation :: PyPy
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Classifier: Topic :: Internet :: Name Service (DNS)
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Classifier: Topic :: Software Development :: Libraries :: Python Modules
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Classifier: Topic :: Utilities
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Requires-Python: >=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*
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Internationalized Domain Names in Applications (IDNA)
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=====================================================
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Support for the Internationalised Domain Names in Applications
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(IDNA) protocol as specified in `RFC 5891 <http://tools.ietf.org/html/rfc5891>`_.
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This is the latest version of the protocol and is sometimes referred to as
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“IDNA 2008”.
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This library also provides support for Unicode Technical Standard 46,
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`Unicode IDNA Compatibility Processing <http://unicode.org/reports/tr46/>`_.
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This acts as a suitable replacement for the “encodings.idna” module that
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comes with the Python standard library, but only supports the
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old, deprecated IDNA specification (`RFC 3490 <http://tools.ietf.org/html/rfc3490>`_).
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Basic functions are simply executed:
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.. code-block:: pycon
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# Python 3
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>>> import idna
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>>> idna.encode('ドメイン.テスト')
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b'xn--eckwd4c7c.xn--zckzah'
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>>> print(idna.decode('xn--eckwd4c7c.xn--zckzah'))
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ドメイン.テスト
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# Python 2
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>>> import idna
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>>> idna.encode(u'ドメイン.テスト')
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'xn--eckwd4c7c.xn--zckzah'
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>>> print idna.decode('xn--eckwd4c7c.xn--zckzah')
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ドメイン.テスト
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Packages
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--------
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The latest tagged release version is published in the PyPI repository:
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.. image:: https://badge.fury.io/py/idna.svg
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:target: http://badge.fury.io/py/idna
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Installation
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------------
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To install this library, you can use pip:
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.. code-block:: bash
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$ pip install idna
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Alternatively, you can install the package using the bundled setup script:
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.. code-block:: bash
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$ python setup.py install
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This library works with Python 2.7 and Python 3.4 or later.
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Usage
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-----
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For typical usage, the ``encode`` and ``decode`` functions will take a domain
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name argument and perform a conversion to A-labels or U-labels respectively.
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.. code-block:: pycon
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# Python 3
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>>> import idna
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>>> idna.encode('ドメイン.テスト')
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b'xn--eckwd4c7c.xn--zckzah'
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>>> print(idna.decode('xn--eckwd4c7c.xn--zckzah'))
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ドメイン.テスト
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You may use the codec encoding and decoding methods using the
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``idna.codec`` module:
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.. code-block:: pycon
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# Python 2
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>>> import idna.codec
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>>> print u'домена.испытание'.encode('idna')
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xn--80ahd1agd.xn--80akhbyknj4f
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>>> print 'xn--80ahd1agd.xn--80akhbyknj4f'.decode('idna')
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домена.испытание
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Conversions can be applied at a per-label basis using the ``ulabel`` or ``alabel``
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functions if necessary:
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.. code-block:: pycon
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# Python 2
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>>> idna.alabel(u'测试')
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'xn--0zwm56d'
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Compatibility Mapping (UTS #46)
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+++++++++++++++++++++++++++++++
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As described in `RFC 5895 <http://tools.ietf.org/html/rfc5895>`_, the IDNA
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specification no longer normalizes input from different potential ways a user
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may input a domain name. This functionality, known as a “mapping”, is now
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considered by the specification to be a local user-interface issue distinct
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from IDNA conversion functionality.
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This library provides one such mapping, that was developed by the Unicode
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Consortium. Known as `Unicode IDNA Compatibility Processing <http://unicode.org/reports/tr46/>`_,
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it provides for both a regular mapping for typical applications, as well as
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a transitional mapping to help migrate from older IDNA 2003 applications.
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For example, “Königsgäßchen” is not a permissible label as *LATIN CAPITAL
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LETTER K* is not allowed (nor are capital letters in general). UTS 46 will
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convert this into lower case prior to applying the IDNA conversion.
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.. code-block:: pycon
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# Python 3
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>>> import idna
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>>> idna.encode(u'Königsgäßchen')
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...
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idna.core.InvalidCodepoint: Codepoint U+004B at position 1 of 'Königsgäßchen' not allowed
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>>> idna.encode('Königsgäßchen', uts46=True)
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b'xn--knigsgchen-b4a3dun'
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>>> print(idna.decode('xn--knigsgchen-b4a3dun'))
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königsgäßchen
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Transitional processing provides conversions to help transition from the older
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2003 standard to the current standard. For example, in the original IDNA
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specification, the *LATIN SMALL LETTER SHARP S* (ß) was converted into two
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*LATIN SMALL LETTER S* (ss), whereas in the current IDNA specification this
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conversion is not performed.
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.. code-block:: pycon
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# Python 2
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>>> idna.encode(u'Königsgäßchen', uts46=True, transitional=True)
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'xn--knigsgsschen-lcb0w'
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Implementors should use transitional processing with caution, only in rare
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cases where conversion from legacy labels to current labels must be performed
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(i.e. IDNA implementations that pre-date 2008). For typical applications
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that just need to convert labels, transitional processing is unlikely to be
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beneficial and could produce unexpected incompatible results.
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``encodings.idna`` Compatibility
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++++++++++++++++++++++++++++++++
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Function calls from the Python built-in ``encodings.idna`` module are
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mapped to their IDNA 2008 equivalents using the ``idna.compat`` module.
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Simply substitute the ``import`` clause in your code to refer to the
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new module name.
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Exceptions
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----------
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All errors raised during the conversion following the specification should
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raise an exception derived from the ``idna.IDNAError`` base class.
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More specific exceptions that may be generated as ``idna.IDNABidiError``
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when the error reflects an illegal combination of left-to-right and right-to-left
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characters in a label; ``idna.InvalidCodepoint`` when a specific codepoint is
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an illegal character in an IDN label (i.e. INVALID); and ``idna.InvalidCodepointContext``
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when the codepoint is illegal based on its positional context (i.e. it is CONTEXTO
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or CONTEXTJ but the contextual requirements are not satisfied.)
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Building and Diagnostics
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------------------------
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The IDNA and UTS 46 functionality relies upon pre-calculated lookup tables for
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performance. These tables are derived from computing against eligibility criteria
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in the respective standards. These tables are computed using the command-line
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script ``tools/idna-data``.
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This tool will fetch relevant tables from the Unicode Consortium and perform the
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required calculations to identify eligibility. It has three main modes:
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* ``idna-data make-libdata``. Generates ``idnadata.py`` and ``uts46data.py``,
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the pre-calculated lookup tables using for IDNA and UTS 46 conversions. Implementors
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who wish to track this library against a different Unicode version may use this tool
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to manually generate a different version of the ``idnadata.py`` and ``uts46data.py``
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files.
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* ``idna-data make-table``. Generate a table of the IDNA disposition
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(e.g. PVALID, CONTEXTJ, CONTEXTO) in the format found in Appendix B.1 of RFC
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5892 and the pre-computed tables published by `IANA <http://iana.org/>`_.
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* ``idna-data U+0061``. Prints debugging output on the various properties
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associated with an individual Unicode codepoint (in this case, U+0061), that are
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used to assess the IDNA and UTS 46 status of a codepoint. This is helpful in debugging
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or analysis.
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The tool accepts a number of arguments, described using ``idna-data -h``. Most notably,
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the ``--version`` argument allows the specification of the version of Unicode to use
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in computing the table data. For example, ``idna-data --version 9.0.0 make-libdata``
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will generate library data against Unicode 9.0.0.
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Note that this script requires Python 3, but all generated library data will work
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in Python 2.7.
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Testing
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-------
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The library has a test suite based on each rule of the IDNA specification, as
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well as tests that are provided as part of the Unicode Technical Standard 46,
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`Unicode IDNA Compatibility Processing <http://unicode.org/reports/tr46/>`_.
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The tests are run automatically on each commit at Travis CI:
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.. image:: https://travis-ci.org/kjd/idna.svg?branch=master
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:target: https://travis-ci.org/kjd/idna
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