Prep for v7.3.0 release

brettcannon · Jan 1, 2021 · 7fbaf92 · 7fbaf92
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diff --git a/.travis.yml b/.travis.yml
@@ -7,15 +7,9 @@ python:
     - "pypy"
     - "3.5"
     - "3.6"
-
-matrix:
-    include:
-      - python: "3.7"
-        dist: xenial    # required for >= Python 3.7
-      - python: "3.7-dev"
-        dist: xenial    # required for >= Python 3.7
-      - python: "3.8-dev"
-        dist: xenial    # required for >= Python 3.7
+    - "3.7"
+    - "3.8"
+    - "3.9"
 
 install:
   - pip install tox-travis

diff --git a/README.md b/README.md
@@ -1,3 +1,5 @@
+** NOTE ** This project is no longer actively developed!
+
 # Can I Use Python 3?
 
 [![Build Status](https://travis-ci.org/brettcannon/caniusepython3.svg?branch=master)](https://travis-ci.org/brettcannon/caniusepython3)
@@ -6,7 +8,6 @@ You can read the documentation on how to use caniusepython3 from its
 [PyPI page](https://pypi.python.org/pypi/caniusepython3). A [web interface](https://github.com/jezdez/caniusepython3.com)
 is also available.
 
-
 # How do you tell if a project has been ported to Python 3?
 
 On [PyPI](https://pypi.python.org/) each project can specify various
@@ -30,15 +31,15 @@ As long as a trove classifier for some version of Python 3 is specified then the
 project is considered to support Python 3 (project owners: it is preferred you
 **at least** specify `Programming Language :: Python :: 3` as that is how you
 end up listed on the [Python 3 Packages list on PyPI](https://pypi.python.org/pypi?%3Aaction=packages_rss);
-you can represent Python 2 support with `Programming Language :: Python`).  Note
+you can represent Python 2 support with `Programming Language :: Python`). Note
 that Python 3.0 through 3.4 have reached their [End Of Life](https://docs.python.org/devguide/index.html#branchstatus).
 
 The other way is through a [manual override](https://github.com/brettcannon/caniusepython3/blob/master/caniusepython3/overrides.json) in
 `caniusepython3` itself. Projects ends up on this list because:
 
-* They are now part of [Python's standard library](http://docs.python.org/3/py-modindex.html) in some release of Python 3
-* Their Python 3 port is under a different name
-* They are missing a Python 3 trove classifier but have actually been ported
+- They are now part of [Python's standard library](http://docs.python.org/3/py-modindex.html) in some release of Python 3
+- Their Python 3 port is under a different name
+- They are missing a Python 3 trove classifier but have actually been ported
 
 If any of these various requirements are met, then a project is considered to
 support Python 3 and thus will be added to the manual overrides list. You can
@@ -57,13 +58,12 @@ against Python 3, etc.). Projects that have Python 3 support in their version co
 system but not yet available on PyPI will **not** be considered for inclusion in the
 overrides file.
 
-
 # How can I get a project ported to Python 3?
 
 Typically projects which have not switched to Python 3 yet are waiting for:
 
-* A dependency to be ported to Python 3
-* Someone to volunteer to put in the time and effort to do the port
+- A dependency to be ported to Python 3
+- Someone to volunteer to put in the time and effort to do the port
 
 Since `caniusepython3` will tell you what dependencies are blocking a project
 that you depend on from being ported, you can try to port a project farther
@@ -81,7 +81,6 @@ various sources of help. If you want a specific starting point there are
 on [porting pure Python modules](http://docs.python.org/3/howto/pyporting.html)
 and [extension modules](http://docs.python.org/3/howto/cporting.html).
 
-
 # Can I use it as a pre-commit hook?
 
 Yes! Begin by installing [pre-commit](https://pre-commit.com/):
@@ -92,6 +91,7 @@ pre-commit install
 ```
 
 You can add the following hook in your `.pre-commit-config.yaml` file.
+
 ```yaml
     - repo: https://github.com/brettcannon/caniusepython3
       rev: v7.1.0  # Update as desired to new releases/tags
@@ -105,153 +105,188 @@ You can add the following hook in your `.pre-commit-config.yaml` file.
 ```
 
 If you are running manually somewhere, we can run the following command:
+
 ```
 pre-commit run --hook-stage manual caniusepython3 --files  requirements.txt
 ```
 
 # Change Log
 
+# 7.3.0
+
+- Usual overrides updates
+- Removed argparse as a requirement
+- Added Python 3.9 support
+- Silenced a warning from setuptools about importing distutils (via distlib)
+  before setuptools itself
+- Made it a bit more clear that false-negatives are possible (by design)
+- Marked the project as retired
+
 # 7.2.0
-* Add an `--index`/`-i` flag to specify an index URL (thanks [macleodbroad-wf](https://github.com/macleodbroad-wf))
-* Add support for [pre-commit](https://pre-commit.com/) (thanks [Milind Shakya](https://github.com/milind-shakya-sp))
-* Update overrides data (thanks [Andriy Yablonskyy](https://github.com/yablonsky))
+
+- Add an `--index`/`-i` flag to specify an index URL (thanks [macleodbroad-wf](https://github.com/macleodbroad-wf))
+- Add support for [pre-commit](https://pre-commit.com/) (thanks [Milind Shakya](https://github.com/milind-shakya-sp))
+- Update overrides data (thanks [Andriy Yablonskyy](https://github.com/yablonsky))
 
 # 7.1.0
-* Remove unused imports from Pylint checker
-* Usual overrides updates
-* Introduce the `--exclude` flag (thanks [Milind Shakya](https://github.com/milind-shakya-sp))
+
+- Remove unused imports from Pylint checker
+- Usual overrides updates
+- Introduce the `--exclude` flag (thanks [Milind Shakya](https://github.com/milind-shakya-sp))
 
 # 7.0.0
-* Drop Python 3.3 support
-* Usual overrides updates
+
+- Drop Python 3.3 support
+- Usual overrides updates
 
 # 6.0.0
-* Refactor some code to avoid a warning in Python 3.6
-* Stop calling pip's internals (pip 10 would break everything)
-* Fix "No handler found" output under Python 2.7
+
+- Refactor some code to avoid a warning in Python 3.6
+- Stop calling pip's internals (pip 10 would break everything)
+- Fix "No handler found" output under Python 2.7
   (patch by [arnuschky](https://github.com/arnuschky))
-* Usual overrides updates
+- Usual overrides updates
 
 # 5.0.0
-* Return a `3` error code when a command completes successfully but there are
+
+- Return a `3` error code when a command completes successfully but there are
   found blockers (patch by [pcattori](https://github.com/pcattori);
   accidentally left out of the 4.0.0 release)
-* Officially support Python 3.6
-* Usual overrides updates
+- Officially support Python 3.6
+- Usual overrides updates
 
 # 4.0.0
-* Stop using PyPI's XML-RPC API and move to its JSON one for better performance
+
+- Stop using PyPI's XML-RPC API and move to its JSON one for better performance
   (and switch to https://pypi.org)
-* Load the overrides data from GitHub when possible, falling back to the data
+- Load the overrides data from GitHub when possible, falling back to the data
   included with the package when necessary (thanks to
   [shafrom](https://github.com/shaform) for adding local, one-day caching)
 
 # 3.4.1
-* Update the URL used for PyPI to https://pypi.org
+
+- Update the URL used for PyPI to https://pypi.org
   (patch by [Chris Fournier](https://github.com/cfournie))
-* Usual override updates
+- Usual override updates
 
 # 3.4.0
-* Fix a dict comprehension failure with the pylint checker
+
+- Fix a dict comprehension failure with the pylint checker
   (patch by [Jeroen Oldenburger](https://github.com/jeroenoldenburger))
-* Usual override updates
-* Python 3.5 support
-* Tests have been made less flaky
-* Use pypi.io instead of pypi.python.org
-* Normalize project names to help guarantee lookup success
+- Usual override updates
+- Python 3.5 support
+- Tests have been made less flaky
+- Use pypi.io instead of pypi.python.org
+- Normalize project names to help guarantee lookup success
 
 # 3.3.0
-* Made tests more robust in the face of PyPI timing out
-* Added Python 3.5 support
-* Dropped Python 2.6 and 3.2 support
-* Updated tests to not use Twisted as a Python 2-only project
-* Fixed a bug where the pylint checker was incorrectly missing `from __future__ import unicode_literals` ([issue #103](https://github.com/brettcannon/caniusepython3/issues/103); reported by [David Euresti](https://github.com/euresti))
-* Usual overrides updates
+
+- Made tests more robust in the face of PyPI timing out
+- Added Python 3.5 support
+- Dropped Python 2.6 and 3.2 support
+- Updated tests to not use Twisted as a Python 2-only project
+- Fixed a bug where the pylint checker was incorrectly missing `from __future__ import unicode_literals` ([issue #103](https://github.com/brettcannon/caniusepython3/issues/103); reported by [David Euresti](https://github.com/euresti))
+- Usual overrides updates
 
 # 3.2.0
-* Fix a failing test due to the assumed unported project being ported =)
-* Work around distlib 0.2.0 bug (patch by @rawrgulmuffins)
-* Usual override updates
+
+- Fix a failing test due to the assumed unported project being ported =)
+- Work around distlib 0.2.0 bug (patch by @rawrgulmuffins)
+- Usual override updates
 
 # 3.1.0
-* Log more details when running under `-v` (patch by @msabramo)
-* Print a 🎉 -- it's a party popper in case you have mojibake for it -- when the
+
+- Log more details when running under `-v` (patch by @msabramo)
+- Print a 🎉 -- it's a party popper in case you have mojibake for it -- when the
   terminal supports it and there are no blocking dependencies (patch by @msabramo)
-* Fix compatibility with pip 6.1.0 (patch by @msabramo)
-* Fix warning of missing logger when using `setup.py` integration
+- Fix compatibility with pip 6.1.0 (patch by @msabramo)
+- Fix warning of missing logger when using `setup.py` integration
   (issue #80; patch by @msabramo)
-* Remove checkers for `filter`, `map`, `range`, and `zip` as they have been
+- Remove checkers for `filter`, `map`, `range`, and `zip` as they have been
   improved upon and
   [merged upstream in Pylint](https://bitbucket.org/logilab/pylint/pull-request/216/warn-when-filter-map-range-and-filter-are/diff)
-* Updated outdated documentation
-* Usual override updates
+- Updated outdated documentation
+- Usual override updates
 
 # 3.0.0
-* Introduce `caniusepython3.pylint_checker` which extends `pylint --py3k` with
+
+- Introduce `caniusepython3.pylint_checker` which extends `pylint --py3k` with
   very strict porting checks
-* Work around a [bug in distlib](https://bitbucket.org/pypa/distlib/issue/58/distliblocatorslocate-returning-an-empty)
-* Compatibility fix for pip 6.0 ([issue #72](https://github.com/brettcannon/caniusepython3/issues/72))
-* Usual override updates
+- Work around a [bug in distlib](https://bitbucket.org/pypa/distlib/issue/58/distliblocatorslocate-returning-an-empty)
+- Compatibility fix for pip 6.0 ([issue #72](https://github.com/brettcannon/caniusepython3/issues/72))
+- Usual override updates
 
 # 2.2.0
-* Suppress an `xmlrpclib.Fault` exception under Python 2.6 when trying to close
+
+- Suppress an `xmlrpclib.Fault` exception under Python 2.6 when trying to close
   an XML-RPC connection (can't close a connection under Python 2.6 anyway and
   the exception has only been seen on [Travis](https://travis-ci.org/))
-* Move to [unittest2](https://pypi.python.org/pypi/unittest2) as a developer
+- Move to [unittest2](https://pypi.python.org/pypi/unittest2) as a developer
   dependency
-* Move [mock](https://pypi.python.org/pypi/mock) to a developer dependency
-* Usual override tweaks
+- Move [mock](https://pypi.python.org/pypi/mock) to a developer dependency
+- Usual override tweaks
 
 # 2.1.2
-* Avoid infinite recursion when there is a circular dependency
+
+- Avoid infinite recursion when there is a circular dependency
   ([issue #60](https://github.com/brettcannon/caniusepython3/issues/60))
-* Usual overrides tweaks
+- Usual overrides tweaks
 
 # 2.1.1
-* Normalize the names of direct dependencies for proper Python 3 compatibility
+
+- Normalize the names of direct dependencies for proper Python 3 compatibility
   checking
   ([issue #55](https://github.com/brettcannon/caniusepython3/issues/55))
-* Properly set the logging details when executed from the entry point
-* Usual overrides tweaks
+- Properly set the logging details when executed from the entry point
+- Usual overrides tweaks
 
 ## 2.1.0
-* Verbose output will print what manual overrides are used and why
+
+- Verbose output will print what manual overrides are used and why
   (when available)
-* Fix logging to only be configured when running as a script as well as fix a
+- Fix logging to only be configured when running as a script as well as fix a
   format bug
-* Usual override updates
+- Usual override updates
 
 ## 2.0.3
-* Fixed `setup.py caniusepython3` to work with `extras_require` properly
-* Fix various errors triggered from the moving of the `just_name()` function to
+
+- Fixed `setup.py caniusepython3` to work with `extras_require` properly
+- Fix various errors triggered from the moving of the `just_name()` function to
   a new module in 2.0.0 (patch by Vaibhav Sagar w/ input from Jannis Leidel)
-* Usual overrides tweaks (thanks to CyrilRoelandteNovance for contributing)
+- Usual overrides tweaks (thanks to CyrilRoelandteNovance for contributing)
 
 ## 2.0.2
-* Fix lack of unicode usage in a test
-* Make Python 2.6 happy again due to its distate of empty XML-RPC results
+
+- Fix lack of unicode usage in a test
+- Make Python 2.6 happy again due to its distate of empty XML-RPC results
 
 ## 2.0.1
-* Fix syntax error
+
+- Fix syntax error
 
 ## 2.0.0
-* Tweak overrides
-* `-r`, `-m`, and `-p` now take 1+ arguments instead of a single comma-separated
+
+- Tweak overrides
+- `-r`, `-m`, and `-p` now take 1+ arguments instead of a single comma-separated
   list
-* Unrecognized projects are considered ported to prevent the lack of info on
+- Unrecognized projects are considered ported to prevent the lack of info on
   the unrecognized project perpetually suggesting that it's never been ported
-* Introduced `icanusepython3.check()`
+- Introduced `icanusepython3.check()`
 
 ## 1.2.1
-* Fix `-v` to actually do something again
-* Tweaked overrides
+
+- Fix `-v` to actually do something again
+- Tweaked overrides
 
 ## 1.2.0
-* `-r` accepts a comma-separated list of file paths
+
+- `-r` accepts a comma-separated list of file paths
 
 ## 1.1.0
-* Setuptools command support
-* Various fixes
+
+- Setuptools command support
+- Various fixes
 
 ## 1.0
+
 Initial release.
diff --git a/README_PyPI.rst b/README_PyPI.rst
@@ -1,3 +1,5 @@
+** NOTE ** This project is no longer actively developed!
+
 Can I Use Python 3?
 ===================
 

diff --git a/caniusepython3/__main__.py b/caniusepython3/__main__.py
@@ -86,7 +86,7 @@ def message(blockers):
         else:
             flair = ''
         return [flair +
-                'You have 0 projects blocking you from using Python 3!']
+                'You (potentially) have 0 projects blocking you from using Python 3!']
     flattened_blockers = set()
     for blocker_reasons in blockers:
         for blocker in blocker_reasons:

diff --git a/caniusepython3/dependencies.py b/caniusepython3/dependencies.py
@@ -14,6 +14,7 @@
 
 from __future__ import unicode_literals
 
+import setuptools  # To silence a warning.
 import distlib.locators
 import packaging.utils
 
@@ -57,7 +58,7 @@ def dependencies(project_name):
     log.info('Locating dependencies for {}'.format(project_name))
     located = distlib.locators.locate(project_name, prereleases=True)
     if not located:
-        log.warning('{0} not found'.format(project_name))
+        log.warning('{0} not found; false-negatives possible'.format(project_name))
         return None
     return {packaging.utils.canonicalize_name(pypi.just_name(dep))
             for dep in located.run_requires}

diff --git a/caniusepython3/projects.py b/caniusepython3/projects.py
@@ -3,6 +3,7 @@
 
 from caniusepython3 import pypi
 
+import setuptools  # To silenace a warning.
 import distlib.metadata
 import packaging.requirements
 import packaging.utils