many pep8 improvements

gluon/http.py

@@ -49,7 +49,7 @@ defined_status = {
     503: 'SERVICE UNAVAILABLE',
     504: 'GATEWAY TIMEOUT',
     505: 'HTTP VERSION NOT SUPPORTED',
-    }
+}
 
 # If web2py is executed with python2.4 we need
 # to use Exception instead of BaseException
@@ -61,6 +61,7 @@ except NameError:
 
 regex_status = re.compile('^\d{3} \w+$')
 
+
 class HTTP(BaseException):
 
     def __init__(
@@ -69,14 +70,14 @@ class HTTP(BaseException):
         body='',
         cookies=None,
         **headers
-        ):
+    ):
         self.status = status
         self.body = body
         self.headers = headers
         self.cookies2headers(cookies)
 
-    def cookies2headers(self,cookies):
-        if cookies and len(cookies)>0:
+    def cookies2headers(self, cookies):
+        if cookies and len(cookies) > 0:
             self.headers['Set-Cookie'] = [
                 str(cookie)[11:] for cookie in cookies.values()]
 
@@ -90,15 +91,15 @@ class HTTP(BaseException):
             status = str(status)
             if not regex_status.match(status):
                 status = '500 %s' % (defined_status[500])
-        headers.setdefault('Content-Type','text/html; charset=UTF-8')
+        headers.setdefault('Content-Type', 'text/html; charset=UTF-8')
         body = self.body
         if status[:1] == '4':
             if not body:
                 body = status
             if isinstance(body, str):
-                if len(body)<512 and \
+                if len(body) < 512 and \
                         headers['Content-Type'].startswith('text/html'):
-                    body += '<!-- %s //-->' % ('x'*512) ### trick IE
+                    body += '<!-- %s //-->' % ('x' * 512)  # trick IE
                 headers['Content-Length'] = len(body)
         rheaders = []
         for k, v in headers.iteritems():
@@ -107,9 +108,9 @@ class HTTP(BaseException):
             elif not v is None:
                 rheaders.append((k, str(v)))
         responder(status, rheaders)
-        if env.get('request_method','')=='HEAD':
+        if env.get('request_method', '') == 'HEAD':
             return ['']
-        elif isinstance(body,str):
+        elif isinstance(body, str):
             return [body]
         elif hasattr(body, '__iter__'):
             return body