Author: bbangert
Date: 2005-12-18 22:53:31 +0000 (Sun, 18 Dec 2005)
New Revision: 1430
Modified:
FormEncode/trunk/formencode/variabledecode.py
Log:
Added docs for new dict_char/list_char keywords and feature. Now takes
alternate characters to split and join variables on
Modified: FormEncode/trunk/formencode/variabledecode.py
===================================================================
--- FormEncode/trunk/formencode/variabledecode.py 2005-12-16 18:05:27 UTC
(rev 1429)
+++ FormEncode/trunk/formencode/variabledecode.py 2005-12-18 22:53:31 UTC
(rev 1430)
@@ -13,13 +13,18 @@
'20']}``. That's left to someplace else to interpret. If you want to
represent lists in this model, you use indexes, and the lists are
explicitly ordered.
+
+If you want to change the character that determines when to split for
+a dict or list, both variable_decode and variable_encode take dict_char
+and list_char keyword args. For example, to have the GET/POST variables,
+``a_1=something`` as a list, you would use a list_char='_'.
"""
import api
__all__ = ['variable_decode', 'variable_encode', 'NestedVariables']
-def variable_decode(d):
+def variable_decode(d, dict_char='.', list_char='-'):
"""
Decodes the flat dictionary d into a nested structure.
"""
@@ -27,7 +32,7 @@
dicts_to_sort = {}
known_lengths = {}
for key, value in d.items():
- keys = key.split('.')
+ keys = key.split(dict_char)
new_keys = []
was_repetition_count = False
for key in keys:
@@ -37,8 +42,8 @@
known_lengths[tuple(new_keys)] = int(value)
was_repetition_count = True
break
- elif '-' in key:
- key, index = key.split('-')
+ elif list_char in key:
+ key, index = key.split(list_char)
new_keys.append(key)
dicts_to_sort[tuple(new_keys)] = 1
new_keys.append(int(index))
@@ -99,7 +104,7 @@
return result
-def variable_encode(d, prepend='', result=None):
+def variable_encode(d, prepend='', result=None, dict_char='.', list_char='-'):
"""
Encodes a nested structure into a flat dictionary.
"""
@@ -112,11 +117,11 @@
elif not prepend:
name = key
else:
- name = "%s.%s" % (prepend, key)
+ name = "%s%s%s" % (prepend, dict_char, key)
variable_encode(value, name, result)
elif isinstance(d, list):
for i in range(len(d)):
- variable_encode(d[i], "%s-%i" % (prepend, i), result)
+ variable_encode(d[i], "%s%s%i" % (prepend, list_char, i), result)
if prepend:
repName = '%s--repetitions' % prepend
else:
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