Apply codestyle checks to all Python code.

docs/en_US/build_code_snippet.py

@@ -11,10 +11,10 @@ else:
 builtins.SERVER_MODE = None
 
 root = os.path.realpath(
-        os.path.dirname(
-            os.path.realpath(__file__)
-            ) + '{0}..{0}..{0}web'.format(os.sep)
-        )
+    os.path.dirname(
+        os.path.realpath(__file__)
+    ) + '{0}..{0}..{0}web'.format(os.sep)
+)
 
 if sys.path[0] != root:
     sys.path.insert(0, root)
@@ -32,18 +32,19 @@ This document contains code for some of the important classes, listed as
 below:\n\n""")
 
 for m in [
-        'PgAdminModule', 'NodeView',
-        'BaseDriver', 'BaseConnection'
-        ]:
+    'PgAdminModule', 'NodeView',
+    'BaseDriver', 'BaseConnection'
+]:
     target.write("* {0}_\n".format(m))
 
+
 def print_code(outstream, name, module, info=None):
-    l = len(name)
+    name_len = len(name)
 
     outstream.write("\n\n.. _{0}:\n\n{0}\n".format(name))
 
     idx = 0
-    while idx < l:
+    while idx < name_len:
         idx += 1
         outstream.write("*")
 
@@ -60,21 +61,24 @@ def print_code(outstream, name, module, info=None):
 
 
 print_code(
-        target, "PgAdminModule", PgAdminModule,
-        """
+    target, "PgAdminModule", PgAdminModule,
+    """
 PgAdminModule is inherted from Flask.Blueprint module.
-This module defines a set of methods, properties and attributes, that every module should implement.
+This module defines a set of methods, properties and attributes,
+that every module should implement.
 """)
 
 from pgadmin.browser.utils import NodeView
+
 print_code(
-        target, "NodeView", NodeView,
-        """
-NodeView class helps exposing basic REST APIs for different operations used by
-pgAdmin Browser. The basic idea has been taken from the `Flask's MethodView
+    target, "NodeView", NodeView,
+    """
+The NodeView class exposes basic REST APIs for different operations used by
+the pgAdmin Browser. The basic idea has been taken from `Flask's MethodView
 <http://flask.pocoo.org/docs/1.0/api/#flask.views.MethodView>`_ class. Because
-- we need a lot more operations (not, just CRUD), we can not use it directly.""")
+we need a lot more operations (not, just CRUD), we can not use it directly.""")
 
 from pgadmin.utils.driver.abstract import BaseDriver, BaseConnection
+
 print_code(target, "BaseDriver", BaseDriver)
 print_code(target, "BaseConnection", BaseConnection)