Issue #5067: improve some json error messages.
Patch by Serhiy Storchaka.
diff --git a/Lib/json/decoder.py b/Lib/json/decoder.py
index 3174e31..dc1155b 100644
--- a/Lib/json/decoder.py
+++ b/Lib/json/decoder.py
@@ -173,7 +173,8 @@
pairs = object_hook(pairs)
return pairs, end + 1
elif nextchar != '"':
- raise ValueError(errmsg("Expecting property name", s, end))
+ raise ValueError(errmsg(
+ "Expecting property name enclosed in double quotes", s, end))
end += 1
while True:
key, end = scanstring(s, end, strict)
@@ -183,7 +184,7 @@
if s[end:end + 1] != ':':
end = _w(s, end).end()
if s[end:end + 1] != ':':
- raise ValueError(errmsg("Expecting : delimiter", s, end))
+ raise ValueError(errmsg("Expecting ':' delimiter", s, end))
end += 1
try:
@@ -211,12 +212,13 @@
if nextchar == '}':
break
elif nextchar != ',':
- raise ValueError(errmsg("Expecting , delimiter", s, end - 1))
+ raise ValueError(errmsg("Expecting ',' delimiter", s, end - 1))
end = _w(s, end).end()
nextchar = s[end:end + 1]
end += 1
if nextchar != '"':
- raise ValueError(errmsg("Expecting property name", s, end - 1))
+ raise ValueError(errmsg(
+ "Expecting property name enclosed in double quotes", s, end - 1))
if object_pairs_hook is not None:
result = object_pairs_hook(pairs)
return result, end
@@ -250,7 +252,7 @@
if nextchar == ']':
break
elif nextchar != ',':
- raise ValueError(errmsg("Expecting , delimiter", s, end))
+ raise ValueError(errmsg("Expecting ',' delimiter", s, end))
try:
if s[end] in _ws:
end += 1