clean up some code

Cython/Build/Inline.py

@@ -48,6 +48,7 @@ class UnboundSymbols(EnvTransform, SkipDeclarations):
         super(UnboundSymbols, self).__call__(node)
         return self.unbound
 
+
 @cached_function
 def unbound_symbols(code, context=None):
     code = to_unicode(code)
@@ -67,6 +68,7 @@ def unbound_symbols(code, context=None):
         import __builtin__ as builtins
     return UnboundSymbols()(tree) - set(dir(builtins))
 
+
 def unsafe_type(arg, context=None):
     py_type = type(arg)
     if py_type is int:
@@ -74,6 +76,7 @@ def unsafe_type(arg, context=None):
     else:
         return safe_type(arg, context)
 
+
 def safe_type(arg, context=None):
     py_type = type(arg)
     if py_type in [list, tuple, dict, str]:
@@ -97,6 +100,7 @@ def safe_type(arg, context=None):
                     return '%s.%s' % (base_type.__module__, base_type.__name__)
         return 'object'
 
+
 def _get_build_extension():
     dist = Distribution()
     # Ensure the build respects distutils configuration by parsing
@@ -107,6 +111,7 @@ def _get_build_extension():
     build_extension.finalize_options()
     return build_extension
 
+
 @cached_function
 def _create_context(cython_include_dirs):
     return Context(list(cython_include_dirs), default_options)
@@ -263,7 +268,6 @@ def extract_func_code(code):
     return '\n'.join(module), '    ' + '\n    '.join(function)
 
 
-
 try:
     from inspect import getcallargs
 except ImportError:
@@ -294,6 +298,7 @@ except ImportError:
                     raise TypeError("Missing argument: %s" % name)
         return all
 
+
 def get_body(source):
     ix = source.index(':')
     if source[:5] == 'lambda':
@@ -301,6 +306,7 @@ def get_body(source):
     else:
         return source[ix+1:]
 
+
 # Lots to be done here... It would be especially cool if compiled functions
 # could invoke each other quickly.
 class RuntimeCompiledFunction(object):

Cython/Compiler/TreeFragment.py

@@ -86,6 +86,7 @@ def parse_from_strings(name, code, pxds={}, level=None, initial_pos=None,
     tree.scope = scope
     return tree
 
+
 class TreeCopier(VisitorTransform):
     def visit_Node(self, node):
         if node is None:
@@ -95,6 +96,7 @@ class TreeCopier(VisitorTransform):
             self.visitchildren(c)
             return c
 
+
 class ApplyPositionAndCopy(TreeCopier):
     def __init__(self, pos):
         super(ApplyPositionAndCopy, self).__init__()
@@ -105,6 +107,7 @@ class ApplyPositionAndCopy(TreeCopier):
         copy.pos = self.pos
         return copy
 
+
 class TemplateTransform(VisitorTransform):
     """
     Makes a copy of a template tree while doing substitutions.
@@ -247,6 +250,7 @@ class TreeFragment(object):
                                    substitutions = nodes,
                                    temps = self.temps + temps, pos = pos)
 
+
 class SetPosTransform(VisitorTransform):
     def __init__(self, pos):
         super(SetPosTransform, self).__init__()

pyximport/pyximport.py

@@ -62,18 +62,22 @@ PYXBLD_EXT = ".pyxbld"
 
 DEBUG_IMPORT = False
 
+
 def _print(message, args):
     if args:
         message = message % args
     print(message)
 
+
 def _debug(message, *args):
     if DEBUG_IMPORT:
         _print(message, args)
 
+
 def _info(message, *args):
     _print(message, args)
 
+
 # Performance problem: for every PYX file that is imported, we will
 # invoke the whole distutils infrastructure even if the module is 
 # already built. It might be more efficient to only do it when the 
@@ -84,6 +88,7 @@ def _info(message, *args):
 def _load_pyrex(name, filename):
     "Load a pyrex file given a name and filename."
 
+
 def get_distutils_extension(modname, pyxfilename, language_level=None):
 #    try:
 #        import hashlib
@@ -103,6 +108,7 @@ def get_distutils_extension(modname, pyxfilename, language_level=None):
             extension_mod.cython_directives = {'language_level': language_level}
     return extension_mod,setup_args
 
+
 def handle_special_build(modname, pyxfilename):
     special_build = os.path.splitext(pyxfilename)[0] + PYXBLD_EXT
     ext = None
@@ -129,6 +135,7 @@ def handle_special_build(modname, pyxfilename):
                        for source in ext.sources]
     return ext, setup_args
 
+
 def handle_dependencies(pyxfilename):
     testing = '_test_files' in globals()
     dependfile = os.path.splitext(pyxfilename)[0] + PYXDEP_EXT
@@ -166,6 +173,7 @@ def handle_dependencies(pyxfilename):
                 if testing:
                     _test_files.append(file)
 
+
 def build_module(name, pyxfilename, pyxbuild_dir=None, inplace=False, language_level=None):
     assert os.path.exists(pyxfilename), (
         "Path does not exist: %s" % pyxfilename)
@@ -197,6 +205,7 @@ def build_module(name, pyxfilename, pyxbuild_dir=None, inplace=False, language_l
 
     return so_path
 
+
 def load_module(name, pyxfilename, pyxbuild_dir=None, is_package=False,
                 build_inplace=False, language_level=None, so_path=None):
     try:
@@ -314,6 +323,7 @@ class PyxImporter(object):
         _debug("%s not found" % fullname)
         return None
 
+
 class PyImporter(PyxImporter):
     """A meta-path importer for normal .py files.
     """
@@ -384,6 +394,7 @@ class PyImporter(PyxImporter):
             self.blocked_modules.pop()
         return importer
 
+
 class LibLoader(object):
     def __init__(self):
         self._libs = {}
@@ -404,6 +415,7 @@ class LibLoader(object):
 
 _lib_loader = LibLoader()
 
+
 class PyxLoader(object):
     def __init__(self, fullname, path, init_path=None, pyxbuild_dir=None,
                  inplace=False, language_level=None):
@@ -444,6 +456,7 @@ class PyxArgs(object):
 
 ##pyxargs=None
 
+
 def _have_importers():
     has_py_importer = False
     has_pyx_importer = False
@@ -456,6 +469,7 @@ def _have_importers():
 
     return has_py_importer, has_pyx_importer
 
+
 def install(pyximport=True, pyimport=False, build_dir=None, build_in_temp=True,
             setup_args={}, reload_support=False,
             load_py_module_on_import_failure=False, inplace=False,
@@ -532,6 +546,7 @@ def install(pyximport=True, pyimport=False, build_dir=None, build_in_temp=True,
 
     return py_importer, pyx_importer
 
+
 def uninstall(py_importer, pyx_importer):
     """
     Uninstall an import hook.
@@ -546,6 +561,7 @@ def uninstall(py_importer, pyx_importer):
     except ValueError:
         pass
 
+
 # MAIN
 
 def show_docs():
@@ -559,5 +575,6 @@ def show_docs():
             pass
     help(__main__)
 
+
 if __name__ == '__main__':
     show_docs()