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توضیحات

Determine what projects are blocking you from porting to Python 3

ویژگی	مقدار
سیستم عامل	-
نام فایل	caniusepython3-7.3.0
نام	caniusepython3
نسخه کتابخانه	7.3.0
نگهدارنده	[]
ایمیل نگهدارنده	[]
نویسنده	Brett Cannon
ایمیل نویسنده	brett@python.org
آدرس صفحه اصلی	https://github.com/brettcannon/caniusepython3
آدرس اینترنتی	https://pypi.org/project/caniusepython3/
مجوز	-

** NOTE ** This project is no longer actively developed! Can I Use Python 3? =================== This script takes in a set of dependencies and then figures out which of them are holding you up from porting to Python 3. Command-line/Web Usage ---------------------- You can specify your dependencies in multiple ways:: caniusepython3 -r requirements.txt test-requirement.txt caniusepython3 -m PKG-INFO caniusepython3 -p numpy scipy ipython # If your project's setup.py uses setuptools # (note that setup_requires can't be checked) ... python setup.py caniusepython3 The output of the script will tell you how many (implicit) dependencies you need to transition to Python 3 in order to allow you to make the same transition. It will also list what projects have no dependencies blocking their transition so you can ask them to start a port to Python 3. If you prefer a web interface you can use https://caniusepython3.com by Jannis Leidel. Integrating With Your Tests --------------------------- If you want to check for Python 3 availability as part of your tests, you can use ``caniusepython3.check()``: .. code-block:: python def check(requirements_paths=[], metadata=[], projects=[]): """Return True if all of the specified dependencies have been ported to Python 3. The requirements_paths argument takes a sequence of file paths to requirements files. The 'metadata' argument takes a sequence of strings representing metadata. The 'projects' argument takes a sequence of project names. Any project that is not listed on PyPI will be considered ported. """ You can then integrate it into your tests like so: .. code-block:: python import unittest import caniusepython3 class DependenciesOnPython3(unittest.TestCase): def test_dependencies(self): # Will begin to fail when dependencies are no longer blocking you # from using Python 3. self.assertFalse(caniusepython3.check(projects=['ipython'])) For the change log, how to tell if a project has been ported, as well as help on how to port a project, please see the `project website <https://github.com/brettcannon/caniusepython3>`__. Extending ``pylint --py3k`` --------------------------- In `Pylint <https://pypi.python.org/pypi/pylint>`__ 1.4, a ``--py3k`` option was added to the linting tool to turn on checks for Python 2/3 incompatibilities (all other checks are turned off). While great, those checks are a little conservative in order to always be accurate. To fill out those checks with stricter -- albeit potentially inaccurate -- checkers, ``caniusepython3.pylint_checker`` exists. On top of everything ``pylint --py3k`` already checks for, it adds checks for: #. Uses of ``open()`` (in Python3, ``open()`` is actually ``io.open()``) #. String literals that do not have a ``b``/``u`` prefix or ``from __future__ import unicode_literals`` If you wish to use the checker with Pylint, you can add it to your Pylint configuration file, e.g.: .. code-block:: ini [MASTER] load-plugins=caniusepython3.pylint_checker Secret, bonus feature --------------------- If you would like to use a different name for the script and setuptools command then set the environment variable ``CIU_ALT_NAME`` to what you would like the alternative name to be. Reddit suggests ``icanhazpython3``.

نیازمندی

مقدار	نام
-	distlib
-	setuptools
-	packaging
-	backports.functools-lru-cache
-	requests
-	futures

نحوه نصب

نصب پکیج whl caniusepython3-7.3.0:

pip install caniusepython3-7.3.0.whl

نصب پکیج tar.gz caniusepython3-7.3.0:

pip install caniusepython3-7.3.0.tar.gz