# HG changeset patch
# User paulb
# Date 1093711931 0
# Node ID 64c78f1a922d57bc30c00a95dbdcf1c8149319b0
# Parent  aba9091606258d511a76bbf1cc1d3fefe1ff9ab2
[project @ 2004-08-28 16:52:11 by paulb]
Introduced helper functionality to reduce duplicated code dealing with
FieldStorage objects (in WebStack.Helpers.Request).

diff -r aba909160625 -r 64c78f1a922d WebStack/Helpers/Request.py
--- a/WebStack/Helpers/Request.py	Sat Aug 28 16:51:53 2004 +0000
+++ b/WebStack/Helpers/Request.py	Sat Aug 28 16:52:11 2004 +0000
@@ -82,4 +82,53 @@
         self.name = name
         self.value = value
 
+def get_storage_items(storage_body):
+
+    """
+    Return the items (2-tuples of the form key, values) from the 'storage_body'.
+    This is used in conjunction with FieldStorage objects.
+    """
+
+    items = []
+    for key in storage_body.keys():
+        items.append((key, storage_body[key]))
+    return items
+
+def get_body_fields(field_items, encoding):
+
+    """
+    Returns a dictionary mapping field names to lists of field values for all
+    entries in the given 'field_items' (2-tuples of the form key, values) using
+    the given 'encoding'.
+    This is used in conjunction with FieldStorage objects.
+    """
+
+    fields = {}
+
+    for field_name, field_values in field_items:
+        if type(field_values) == type([]):
+            fields[field_name] = []
+            for field_value in field_values:
+                fields[field_name].append(get_body_field(field_value.value, encoding))
+        else:
+            fields[field_name] = [get_body_field(field_values.value, encoding)]
+
+    return fields
+
+def get_body_field(field_str, encoding):
+
+    """
+    Returns the appropriate value for the given 'field_str' string using the
+    given 'encoding'.
+    """
+
+    # Detect stray FieldStorage objects (eg. with Webware).
+
+    if hasattr(field_str, "value"):
+        return get_body_field(field_str.value, encoding)
+    elif encoding is not None:
+        return unicode(field_str, encoding)
+    else:
+        return field_str
+
 # vim: tabstop=4 expandtab shiftwidth=4