accounting: update Base_importGapFile to use python's csv module

This was reimplemented a broken version of csv.DictReader

bt5/erp5_accounting/SkinTemplateItem/portal_skins/erp5_accounting/Base_importGapFile.py

+import csv
+
 def recursiveDocumentList(obj):
   ret = []
   ret.append(obj.getPath())
@@ -5,64 +7,12 @@ def recursiveDocumentList(obj):
     ret.extend(recursiveDocumentList(i))
   return ret
 
-def splitCsvLine(str_line):
-  unclean_list = []
-  pieces_of_line = str_line.split(',')
-
-  p_stack = ''
-  for p in pieces_of_line:
-    p_stack += p
-    if p_stack.count('"')%2 == 0:
-      unclean_list.append(p_stack)
-      p_stack = ''
-
-  clean_list = []
-  for item in unclean_list:
-    clean_item = item
-    if clean_item.find('"') != -1:
-      if len(clean_item) <= 2:
-        clean_item = ''
-      else:
-        clean_item = clean_item[1:]
-        clean_item = clean_item[:-1]
-        clean_item = clean_item.replace('""', '"')
-    else:
-      if len(clean_item) > 0:
-        if clean_item.find('.') != -1:
-          clean_item = float(clean_item)
-        else:
-          clean_item = int(clean_item)
-      else:
-        clean_item = None
-    clean_list.append(clean_item)
-
-  return clean_list
-
 def getSubCategory(parent, category_id):
   try:
     return parent[category_id]
   except KeyError:
     return parent.newContent(id=category_id)
 
-csv_file_line_list = import_file.readlines()
-csv_line_list = []
-
-for csv_line in csv_file_line_list:
-  csv_line_list.append( string.replace(csv_line, '\n', '').decode(encoding).encode('utf-8') )
-
-object_list = []
-
-csv_property_list = splitCsvLine(csv_line_list[0])
-for csv_line in csv_line_list[2:]:
-  property_dict = {}
-  csv_data_list = splitCsvLine(csv_line)
-  data_n = 0
-
-  for property_ in csv_property_list:
-    property_dict[property_] = csv_data_list[data_n]
-    data_n += 1
-
-  object_list.append(property_dict)
 
 root = context.getPortalObject().portal_categories
 for path in gap_root_path.split('/'):
@@ -71,7 +21,7 @@ for path in gap_root_path.split('/'):
 existing_path_list = recursiveDocumentList(root)
 existing_path_list.remove(root.getPath())
 
-for property_dict in object_list:
+for property_dict in list(csv.DictReader(import_file)):
   description = property_dict.get('Description', None) or ''
   gap = property_dict.get('Gap', None) or ''
   title = property_dict.get('Title', None) or ''