diff options
| -rw-r--r-- | Lib/xmlrpc/client.py | 10 | ||||
| -rw-r--r-- | Misc/NEWS.d/next/Library/2021-10-07-00-05-05.bpo-45386.q9ORpA.rst | 3 |
2 files changed, 11 insertions, 2 deletions
diff --git a/Lib/xmlrpc/client.py b/Lib/xmlrpc/client.py index 9e7449c88d..a614cef6ab 100644 --- a/Lib/xmlrpc/client.py +++ b/Lib/xmlrpc/client.py @@ -264,16 +264,22 @@ boolean = Boolean = bool # Issue #13305: different format codes across platforms _day0 = datetime(1, 1, 1) -if _day0.strftime('%Y') == '0001': # Mac OS X +def _try(fmt): + try: + return _day0.strftime(fmt) == '0001' + except ValueError: + return False +if _try('%Y'): # Mac OS X def _iso8601_format(value): return value.strftime("%Y%m%dT%H:%M:%S") -elif _day0.strftime('%4Y') == '0001': # Linux +elif _try('%4Y'): # Linux def _iso8601_format(value): return value.strftime("%4Y%m%dT%H:%M:%S") else: def _iso8601_format(value): return value.strftime("%Y%m%dT%H:%M:%S").zfill(17) del _day0 +del _try def _strftime(value): diff --git a/Misc/NEWS.d/next/Library/2021-10-07-00-05-05.bpo-45386.q9ORpA.rst b/Misc/NEWS.d/next/Library/2021-10-07-00-05-05.bpo-45386.q9ORpA.rst new file mode 100644 index 0000000000..eec77ceccf --- /dev/null +++ b/Misc/NEWS.d/next/Library/2021-10-07-00-05-05.bpo-45386.q9ORpA.rst @@ -0,0 +1,3 @@ +Make :mod:`xmlrpc.client` more robust to C runtimes where the underlying C +``strftime`` function results in a ``ValueError`` when testing for year +formatting options. |