Add initial version

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2017 VikingCo
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.rst

@@ -0,0 +1,25 @@
+Flake8 translation.activate
+===========================
+
+Check for usages of translation.activate().
+
+This module provides a plugin for ``flake8``, the Python code checker.
+
+
+Installation
+------------
+
+You can install or upgrade ``flake8-translation-activate`` with these commands::
+
+  $ pip install flake8-translation-activate
+  $ pip install --upgrade flake8-translation-activate
+
+
+Plugin for Flake8
+-----------------
+
+When both ``flake8`` and ``flake8-translation-activate`` are installed, the plugin is
+available in ``flake8``::
+
+    $ flake8 --version
+    2.0 (pep8: 1.4.5, flake8-translation-activate: 1.0, pyflakes: 0.6.1)

flake8_translation_activate.py

@@ -0,0 +1,54 @@
+import ast
+import tokenize
+
+from sys import stdin
+
+__version__ = '1.0'
+
+TRANSLATION_ACTIVATE_ERROR_CODE = 'T006'
+TRANSLATION_ACTIVATE_ERROR_MESSAGE = 'call to django.translation.activate() found'
+ACTIVATE_IMPORT_ERROR_MESSAGE = 'import of django.translation.activate() found'
+
+
+class TranslationActivateChecker(object):
+    name = 'flake8-translation-activate'
+    version = __version__
+    ignores = ()
+
+    def __init__(self, tree, filename='(none)'):
+        self.tree = tree
+        self.filename = (filename == 'stdin' and stdin) or filename
+
+    def run(self):
+        # Get lines to ignore
+        if self.filename == stdin:
+            noqa = _get_noqa_lines(self.filename)
+        else:
+            with open(self.filename, 'r') as file_to_check:
+                noqa = _get_noqa_lines(file_to_check.readlines())
+
+        # Run the actual check
+        errors = []
+        for node in ast.walk(self.tree):
+            if isinstance(node, ast.Call) and isinstance(node.func, ast.Attribute) and node.func.attr == 'activate' and node.func.value.id == 'translation' and node.lineno not in noqa:
+                errors.append({
+                    'message': '{0} {1}'.format(TRANSLATION_ACTIVATE_ERROR_CODE, TRANSLATION_ACTIVATE_ERROR_MESSAGE),
+                    'line': node.lineno,
+                    'col': node.col_offset,
+                })
+            if isinstance(node, ast.ImportFrom) and node.module == 'django.translation' and 'activate' in [alias.name for alias in node.names] and node.lineno not in noqa:
+                errors.append({
+                    'message': '{0} {1}'.format(TRANSLATION_ACTIVATE_ERROR_CODE, ACTIVATE_IMPORT_ERROR_MESSAGE),
+                    'line': node.lineno,
+                    'col': node.col_offset,
+                })
+
+        # Yield the found errors
+        for error in errors:
+            yield (error.get("line"), error.get("col"), error.get("message"), type(self))
+
+
+def _get_noqa_lines(code):
+    tokens = tokenize.generate_tokens(lambda L=iter(code): next(L))
+    return [token[2][0] for token in tokens if token[0] == tokenize.COMMENT and
+            (token[1].endswith('noqa') or (isinstance(token[0], str) and token[0].endswith('noqa')))]

requirements.txt

@@ -0,0 +1 @@
+flake8

setup.py

@@ -0,0 +1,51 @@
+from __future__ import with_statement
+from setuptools import setup
+
+
+def get_version(fname='flake8_translation_activate.py'):
+    with open(fname) as f:
+        for line in f:
+            if line.startswith('__version__'):
+                return eval(line.split('=')[-1])
+
+
+def get_long_description():
+    descr = []
+    for fname in ('README.rst',):
+        with open(fname) as f:
+            descr.append(f.read())
+    return '\n\n'.join(descr)
+
+install_requires = ['flake8']
+
+setup(
+    name='flake8-translation-activate',
+    version=get_version(),
+    description="translation activate plugin for flake8",
+    long_description=get_long_description(),
+    keywords='flake8 translation activate',
+    author='Unleashed NV',
+    author_email='development@unleashed.be',
+    url='https://github.com/unleashed/flake8-translation-activate',
+    license='MIT',
+    py_modules=['flake8_translation_activate'],
+    zip_safe=False,
+    entry_points={
+        'flake8.extension': [
+            'flake8_translation_activate = flake8_translation_activate:TranslationActivateChecker',
+        ],
+    },
+    install_requires=install_requires,
+    classifiers=[
+        'Development Status :: 3 - Alpha',
+        'Environment :: Console',
+        'Intended Audience :: Developers',
+        'License :: OSI Approved :: MIT License',
+        'Operating System :: OS Independent',
+        'Programming Language :: Python',
+        'Programming Language :: Python :: 2',
+        'Programming Language :: Python :: 3',
+        'Topic :: Software Development :: Libraries :: Python Modules',
+        'Topic :: Software Development :: Quality Assurance',
+    ],
+)