apply some PEP8 love to template.py

migrate/versioning/template.py

@@ -1,51 +1,62 @@
-from pkg_resources import resource_filename
-import os,shutil
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+import os
+import shutil
 import sys
+from pkg_resources import resource_filename
+
 from migrate.versioning.base import *
 from migrate.versioning import pathed
 
+
 class Packaged(pathed.Pathed):
     """An object assoc'ed with a Python package"""
-    def __init__(self,pkg):
+
+    def __init__(self, pkg):
         self.pkg = pkg
         path = self._find_path(pkg)
-        super(Packaged,self).__init__(path)
+        super(Packaged, self).__init__(path)
 
     @classmethod
-    def _find_path(cls,pkg):
-        pkg_name, resource_name = pkg.rsplit('.',1)
-        ret = resource_filename(pkg_name,resource_name)
+    def _find_path(cls, pkg):
+        pkg_name, resource_name = pkg.rsplit('.', 1)
+        ret = resource_filename(pkg_name, resource_name)
         return ret
 
 class Collection(Packaged):
     """A collection of templates of a specific type"""
-    _default=None
-    def get_path(self,file):
-        return os.path.join(self.path,str(file))
-    def get_pkg(self,file):
-        return (self.pkg,str(file))
+
+    _default = None
+
+    def get_path(self, file):
+        return os.path.join(self.path, str(file))
+
+    def get_pkg(self, file):
+        return (self.pkg, str(file))
 
 class RepositoryCollection(Collection):
-    _default='default'
+    _default = 'default'
 
 class ScriptCollection(Collection):
-    _default='default.py_tmpl'
+    _default = 'default.py_tmpl'
 
 class Template(Packaged):
     """Finds the paths/packages of various Migrate templates"""
-    _repository='repository'
-    _script='script'
-    _manage='manage.py_tmpl'
 
-    def __init__(self,pkg):
-        super(Template,self).__init__(pkg)
-        self.repository=RepositoryCollection('.'.join((self.pkg,self._repository)))
-        self.script=ScriptCollection('.'.join((self.pkg,self._script)))
+    _repository = 'repository'
+    _script = 'script'
+    _manage = 'manage.py_tmpl'
 
-    def get_item(self,attr,filename=None,as_pkg=None,as_str=None):
-        item = getattr(self,attr)
+    def __init__(self, pkg):
+        super(Template, self).__init__(pkg)
+        self.repository=RepositoryCollection('.'.join((self.pkg, self._repository)))
+        self.script=ScriptCollection('.'.join((self.pkg, self._script)))
+
+    def get_item(self, attr, filename=None, as_pkg=None, as_str=None):
+        item = getattr(self, attr)
         if filename is None:
-            filename = getattr(item,'_default')
+            filename = getattr(item, '_default')
         if as_pkg:
             ret = item.get_pkg(filename)
             if as_str:
@@ -54,14 +65,14 @@ class Template(Packaged):
             ret = item.get_path(filename)
         return ret
 
-    def get_repository(self,filename=None,as_pkg=None,as_str=None):
-        return self.get_item('repository',filename,as_pkg,as_str)
+    def get_repository(self, filename=None, as_pkg=None, as_str=None):
+        return self.get_item('repository', filename, as_pkg, as_str)
     
-    def get_script(self,filename=None,as_pkg=None,as_str=None):
-        return self.get_item('script',filename,as_pkg,as_str)
+    def get_script(self, filename=None, as_pkg=None, as_str=None):
+        return self.get_item('script', filename, as_pkg, as_str)
 
-    def manage(self,**k):
-        return (self.pkg,self._manage)
+    def manage(self, **k):
+        return (self.pkg, self._manage)
 
-template_pkg='migrate.versioning.templates'
-template=Template(template_pkg)
+template_pkg = 'migrate.versioning.templates'
+template = Template(template_pkg)