Recipe package system.

recipe_engine/third_party/setuptools/__init__.py

Index: recipe_engine/third_party/setuptools/__init__.py
diff --git a/recipe_engine/third_party/setuptools/__init__.py b/recipe_engine/third_party/setuptools/__init__.py
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+"""Extensions to the 'distutils' for large or complex distributions"""
+
+import os
+import sys
+import distutils.core
+import distutils.filelist
+from distutils.core import Command as _Command
+from distutils.util import convert_path
+from fnmatch import fnmatchcase
+
+import setuptools.version
+from setuptools.extension import Extension
+from setuptools.dist import Distribution, Feature, _get_unpatched
+from setuptools.depends import Require
+from setuptools.compat import filterfalse
+
+__all__ = [
+    'setup', 'Distribution', 'Feature', 'Command', 'Extension', 'Require',
+    'find_packages'
+]
+
+__version__ = setuptools.version.__version__
+
+bootstrap_install_from = None
+
+# If we run 2to3 on .py files, should we also convert docstrings?
+# Default: yes; assume that we can detect doctests reliably
+run_2to3_on_doctests = True
+# Standard package names for fixer packages
+lib2to3_fixer_packages = ['lib2to3.fixes']
+
+
+class PackageFinder(object):
+    @classmethod
+    def find(cls, where='.', exclude=(), include=('*',)):
+        """Return a list all Python packages found within directory 'where'
+
+        'where' should be supplied as a "cross-platform" (i.e. URL-style)
+        path; it will be converted to the appropriate local path syntax.
+        'exclude' is a sequence of package names to exclude; '*' can be used
+        as a wildcard in the names, such that 'foo.*' will exclude all
+        subpackages of 'foo' (but not 'foo' itself).
+
+        'include' is a sequence of package names to include.  If it's
+        specified, only the named packages will be included.  If it's not
+        specified, all found packages will be included.  'include' can contain
+        shell style wildcard patterns just like 'exclude'.
+
+        The list of included packages is built up first and then any
+        explicitly excluded packages are removed from it.
+        """
+        out = cls._find_packages_iter(convert_path(where))
+        out = cls.require_parents(out)
+        includes = cls._build_filter(*include)
+        excludes = cls._build_filter('ez_setup', '*__pycache__', *exclude)
+        out = filter(includes, out)
+        out = filterfalse(excludes, out)
+        return list(out)
+
+    @staticmethod
+    def require_parents(packages):
+        """
+        Exclude any apparent package that apparently doesn't include its
+        parent.
+
+        For example, exclude 'foo.bar' if 'foo' is not present.
+        """
+        found = []
+        for pkg in packages:
+            base, sep, child = pkg.rpartition('.')
+            if base and base not in found:
+                continue
+            found.append(pkg)
+            yield pkg
+
+    @staticmethod
+    def _all_dirs(base_path):
+        """
+        Return all dirs in base_path, relative to base_path
+        """
+        for root, dirs, files in os.walk(base_path, followlinks=True):
+            for dir in dirs:
+                yield os.path.relpath(os.path.join(root, dir), base_path)
+
+    @classmethod
+    def _find_packages_iter(cls, base_path):
+        dirs = cls._all_dirs(base_path)
+        suitable = filterfalse(lambda n: '.' in n, dirs)
+        return (
+            path.replace(os.path.sep, '.')
+            for path in suitable
+            if cls._looks_like_package(os.path.join(base_path, path))
+        )
+
+    @staticmethod
+    def _looks_like_package(path):
+        return os.path.isfile(os.path.join(path, '__init__.py'))
+
+    @staticmethod
+    def _build_filter(*patterns):
+        """
+        Given a list of patterns, return a callable that will be true only if
+        the input matches one of the patterns.
+        """
+        return lambda name: any(fnmatchcase(name, pat=pat) for pat in patterns)
+
+class PEP420PackageFinder(PackageFinder):
+    @staticmethod
+    def _looks_like_package(path):
+        return True
+
+find_packages = PackageFinder.find
+
+setup = distutils.core.setup
+
+_Command = _get_unpatched(_Command)
+
+class Command(_Command):
+    __doc__ = _Command.__doc__
+
+    command_consumes_arguments = False
+
+    def __init__(self, dist, **kw):
+        # Add support for keyword arguments
+        _Command.__init__(self,dist)
+        for k,v in kw.items():
+            setattr(self,k,v)
+
+    def reinitialize_command(self, command, reinit_subcommands=0, **kw):
+        cmd = _Command.reinitialize_command(self, command, reinit_subcommands)
+        for k,v in kw.items():
+            setattr(cmd,k,v)    # update command with keywords
+        return cmd
+
+distutils.core.Command = Command    # we can't patch distutils.cmd, alas
+
+def findall(dir = os.curdir):
+    """Find all files under 'dir' and return the list of full filenames
+    (relative to 'dir').
+    """
+    all_files = []
+    for base, dirs, files in os.walk(dir, followlinks=True):
+        if base==os.curdir or base.startswith(os.curdir+os.sep):
+            base = base[2:]
+        if base:
+            files = [os.path.join(base, f) for f in files]
+        all_files.extend(filter(os.path.isfile, files))
+    return all_files
+
+distutils.filelist.findall = findall    # fix findall bug in distutils.