minor changes:

we prefer to use "is None" and "is not None" instead of "== None" and "!= None"


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@27304 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/Amount.py

@@ -222,7 +222,7 @@ class Amount(Base, Variated):
       menus.
     """
     resource = self.getResourceValue()
-    if resource != None:
+    if resource is not None:
       result = resource.getVariationCategoryItemList(
                                omit_individual_variation=0,**kw)
     else:

product/ERP5/Document/Delivery.py

@@ -381,7 +381,7 @@ class Delivery(XMLObject, ImmobilisationDelivery):
 
       deferred_simulation_movement_list = []
       # defer simulation movements
-      if start_date != None or stop_date != None:
+      if start_date is not None or stop_date is not None:
         for movement in movement_list:
           start_date = start_date or movement.getStartDate()
           stop_date = stop_date or movement.getStopDate()

product/ERP5/Document/MailMessage.py

@@ -100,9 +100,9 @@ class MailMessage(Event, CMFMailInMessage):
       Sends a reply to this mail message.
     """
     # We assume by default that we are replying to the sender
-    if from_url == None:
+    if from_url is None:
       from_url = self.getUrlString()
-    if to_url == None:
+    if to_url is None:
       to_url = self.getSender()
     if msg is not None and subject is not None:
       header  = "From: %s\n"    % from_url

product/ERP5/Document/Telephone.py

@@ -259,7 +259,7 @@ class Telephone(Coordinate, Base):
           number_match = possible_number_match
           number_dict = number_match.groupdict()
           break
-      if number_match == None:
+      if number_match is None:
         from zLOG import LOG, WARNING
         msg = "Doesn't exist a regex to handle this telephone: ", \
                                                                coordinate_text

product/ERP5/Document/Transformation.py

@@ -145,7 +145,7 @@ class Transformation(XMLObject, Predicate, Variated):
           base_category_list = self.getVariationBaseCategoryList()
 
         resource = self.getResourceValue()
-        if resource != None:
+        if resource is not None:
           result = resource.getVariationCategoryItemList(
                         base_category_list=base_category_list,
                         omit_individual_variation=omit_individual_variation,

product/ERP5/Document/TransformedResource.py

@@ -187,7 +187,7 @@ class TransformedResource(Predicate, XMLObject, XMLMatrix, Amount):
         error_string = ''
         # Add resource relation
         resource = self.getDefaultResourceValue()
-        if resource != None:
+        if resource is not None:
           tmp_amount.setResourceValue(resource)
         else:
           error_string += 'No resource defined on %s' % self.getRelativeUrl()
@@ -262,7 +262,7 @@ class TransformedResource(Predicate, XMLObject, XMLMatrix, Amount):
         # We will browse the mapped values and determine which apply
         cell_key_list = self.getCellKeyList(base_id='quantity')
         if cell_key_list not in [(),[]]:
-          if context == None:
+          if context is None:
             raise KeyError, \
                   "No context defined on TransformedResource '%s'" % \
                       (self.getRelativeUrl(), )
@@ -297,7 +297,7 @@ class TransformedResource(Predicate, XMLObject, XMLMatrix, Amount):
         # We will browse the mapped values and determine which apply
         cell_key_list = self.getCellKeyList( base_id = 'variation')
         if cell_key_list not in [(),[]]:
-          if context == None:
+          if context is None:
             raise KeyError, \
                   "No context defined on TransformedResource '%s'" % \
                       (self.getRelativeUrl(), )