In read_multi, allow a subclass to override the class we instantiate
when we create a recursive instance, by setting the class variable
'FieldStorageClass' to the desired class. By default, this is set to
None, in which case we use self.__class__ (as before).
diff --git a/Lib/cgi.py b/Lib/cgi.py
index aaaded5..108310e 100755
--- a/Lib/cgi.py
+++ b/Lib/cgi.py
@@ -919,16 +919,19 @@
self.list.append(MiniFieldStorage(key, value))
self.skip_lines()
+ FieldStorageClass = None
+
def read_multi(self, environ, keep_blank_values, strict_parsing):
"""Internal: read a part that is itself multipart."""
self.list = []
- part = self.__class__(self.fp, {}, self.innerboundary,
- environ, keep_blank_values, strict_parsing)
+ klass = self.FieldStorageClass or self.__class__
+ part = klass(self.fp, {}, self.innerboundary,
+ environ, keep_blank_values, strict_parsing)
# Throw first part away
while not part.done:
headers = rfc822.Message(self.fp)
- part = self.__class__(self.fp, headers, self.innerboundary,
- environ, keep_blank_values, strict_parsing)
+ part = klass(self.fp, headers, self.innerboundary,
+ environ, keep_blank_values, strict_parsing)
self.list.append(part)
self.skip_lines()