Add python coverage module to third_party

third_party/pycoverage/setup.py

+# setup.py for coverage.py
+
+"""Code coverage measurement for Python
+
+Coverage.py measures code coverage, typically during test execution. It uses
+the code analysis tools and tracing hooks provided in the Python standard
+library to determine which lines are executable, and which have been executed.
+
+Coverage.py runs on Pythons 2.3 through 3.3, and PyPy 1.9.
+
+Documentation is at `nedbatchelder.com <%s>`_.  Code repository and issue
+tracker are on `Bitbucket <http://bitbucket.org/ned/coveragepy>`_, with a
+mirrored repo on `Github <https://github.com/nedbat/coveragepy>`_.
+
+New in 3.7: ``--debug``, and 12 bugs closed.
+
+New in 3.6: ``--fail-under``, and >20 bugs closed.
+
+New in 3.5: Branch coverage exclusions, keyboard shortcuts in HTML report.
+
+New in 3.4: Better control over source to measure, and unexecuted files
+can be reported.
+
+New in 3.3: .coveragerc files.
+
+New in 3.2: Branch coverage!
+"""
+
+# This file is used unchanged under all versions of Python, 2.x and 3.x.
+
+classifiers = """\
+Environment :: Console
+Intended Audience :: Developers
+License :: OSI Approved :: BSD License
+Operating System :: OS Independent
+Programming Language :: Python :: 2
+Programming Language :: Python :: 3
+Topic :: Software Development :: Quality Assurance
+Topic :: Software Development :: Testing
+"""
+
+# Pull in the tools we need.
+import os, sys
+
+from setuptools import setup
+from distutils.core import Extension        # pylint: disable=E0611,F0401
+from distutils.command.build_ext import build_ext   # pylint: disable=E0611,F0401,C0301
+from distutils import errors                # pylint: disable=E0611,F0401
+
+# Get or massage our metadata.  We exec coverage/version.py so we can avoid
+# importing the product code into setup.py.
+
+doc = __doc__                   # __doc__ will be overwritten by version.py.
+__version__ = __url__ = ""      # Keep pylint happy.
+
+cov_ver_py = os.path.join(os.path.split(__file__)[0], "coverage/version.py")
+version_file = open(cov_ver_py)
+try:
+    exec(compile(version_file.read(), cov_ver_py, 'exec'))
+finally:
+    version_file.close()
+
+doclines = (doc % __url__).splitlines()
+classifier_list = classifiers.splitlines()
+
+if 'a' in __version__:
+    devstat = "3 - Alpha"
+elif 'b' in __version__:
+    devstat = "4 - Beta"
+else:
+    devstat = "5 - Production/Stable"
+classifier_list.append("Development Status :: " + devstat)
+
+# Install a script as "coverage", and as "coverage[23]", and as
+# "coverage-2.7" (or whatever).
+scripts = [
+    'coverage = coverage:main',
+    'coverage%d = coverage:main' % sys.version_info[:1],
+    'coverage-%d.%d = coverage:main' % sys.version_info[:2],
+    ]
+
+# Create the keyword arguments for setup()
+
+setup_args = dict(
+    name = 'coverage',
+    version = __version__,
+
+    packages = [
+        'coverage',
+        ],
+
+    package_data = {
+        'coverage': [
+            'htmlfiles/*.*',
+            ]
+        },
+
+    entry_points = {'console_scripts': scripts},
+
+    # We need to get HTML assets from our htmlfiles dir.
+    zip_safe = False,
+
+    author = 'Ned Batchelder and others',
+    author_email = 'ned@nedbatchelder.com',
+    description = doclines[0],
+    long_description = '\n'.join(doclines[2:]),
+    keywords = 'code coverage testing',
+    license = 'BSD',
+    classifiers = classifier_list,
+    url = __url__,
+    )
+
+# A replacement for the build_ext command which raises a single exception
+# if the build fails, so we can fallback nicely.
+
+ext_errors = (
+    errors.CCompilerError,
+    errors.DistutilsExecError,
+    errors.DistutilsPlatformError,
+)
+if sys.platform == 'win32' and sys.version_info > (2, 6):
+    # 2.6's distutils.msvc9compiler can raise an IOError when failing to
+    # find the compiler
+    ext_errors += (IOError,)
+
+class BuildFailed(Exception):
+    """Raise this to indicate the C extension wouldn't build."""
+    def __init__(self):
+        Exception.__init__(self)
+        self.cause = sys.exc_info()[1] # work around py 2/3 different syntax
+
+class ve_build_ext(build_ext):
+    """Build C extensions, but fail with a straightforward exception."""
+
+    def run(self):
+        """Wrap `run` with `BuildFailed`."""
+        try:
+            build_ext.run(self)
+        except errors.DistutilsPlatformError:
+            raise BuildFailed()
+
+    def build_extension(self, ext):
+        """Wrap `build_extension` with `BuildFailed`."""
+        try:
+            # Uncomment to test compile failures:
+            #   raise errors.CCompilerError("OOPS")
+            build_ext.build_extension(self, ext)
+        except ext_errors:
+            raise BuildFailed()
+        except ValueError:
+            # this can happen on Windows 64 bit, see Python issue 7511
+            if "'path'" in str(sys.exc_info()[1]): # works with both py 2/3
+                raise BuildFailed()
+            raise
+
+# There are a few reasons we might not be able to compile the C extension.
+# Figure out if we should attempt the C extension or not.
+
+compile_extension = True
+
+if sys.platform.startswith('java'):
+    # Jython can't compile C extensions
+    compile_extension = False
+
+if '__pypy__' in sys.builtin_module_names:
+    # Pypy can't compile C extensions
+    compile_extension = False
+
+if compile_extension:
+    setup_args.update(dict(
+        ext_modules = [
+            Extension("coverage.tracer", sources=["coverage/tracer.c"])
+            ],
+        cmdclass = {
+            'build_ext': ve_build_ext,
+            },
+        ))
+
+# Py3.x-specific details.
+
+if sys.version_info >= (3, 0):
+    setup_args.update(dict(
+        use_2to3 = False,
+        ))
+
+def main():
+    """Actually invoke setup() with the arguments we built above."""
+    # For a variety of reasons, it might not be possible to install the C
+    # extension.  Try it with, and if it fails, try it without.
+    try:
+        setup(**setup_args)
+    except BuildFailed:
+        msg = "Couldn't install with extension module, trying without it..."
+        exc = sys.exc_info()[1]
+        exc_msg = "%s: %s" % (exc.__class__.__name__, exc.cause)
+        print("**\n** %s\n** %s\n**" % (msg, exc_msg))
+
+        del setup_args['ext_modules']
+        setup(**setup_args)
+
+if __name__ == '__main__':
+    main()