mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-11-25 21:11:09 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 10

#16009: JSON error messages now provide more information. Patch by Serhiy Storchaka.

Browse source
This commit is contained in:
Ezio Melotti 2013-01-03 08:44:15 +02:00
parent fd53a5a011
commit 37623ab5f1
5 changed files with 112 additions and 33 deletions
Download patch file Download diff file Expand all files Collapse all files

14
Lib/json/decoder.py
View file

@ -188,8 +188,8 @@ def JSONObject(s_and_end, strict, scan_once, object_hook, object_pairs_hook,
try:
value, end = scan_once(s, end)
except StopIteration:
raise ValueError(errmsg("Expecting object", s, end))
except StopIteration as err:
raise ValueError(errmsg("Expecting value", s, err.value)) from None
pairs_append((key, value))
try:
nextchar = s[end]
@ -232,8 +232,8 @@ def JSONArray(s_and_end, scan_once, _w=WHITESPACE.match, _ws=WHITESPACE_STR):
while True:
try:
value, end = scan_once(s, end)
except StopIteration:
raise ValueError(errmsg("Expecting object", s, end))
except StopIteration as err:
raise ValueError(errmsg("Expecting value", s, err.value)) from None
_append(value)
nextchar = s[end:end + 1]
if nextchar in _ws:
@ -243,7 +243,7 @@ def JSONArray(s_and_end, scan_once, _w=WHITESPACE.match, _ws=WHITESPACE_STR):
if nextchar == ']':
break
elif nextchar != ',':
raise ValueError(errmsg("Expecting ',' delimiter", s, end))
raise ValueError(errmsg("Expecting ',' delimiter", s, end - 1))
try:
if s[end] in _ws:
end += 1
@ -358,6 +358,6 @@ class JSONDecoder(object):
"""
try:
obj, end = self.scan_once(s, idx)
except StopIteration:
raise ValueError("No JSON object could be decoded")
except StopIteration as err:
raise ValueError(errmsg("Expecting value", s, err.value)) from None
return obj, end