if file is None:
file = sys.stderr
if file is None:
- # sys.stderr is None when run with pythonw.exe - warnings get lost
+ # sys.stderr is None when run with pythonw.exe:
+ # warnings get lost
return
+ text = _formatwarnmsg(msg)
try:
- file.write(formatwarning(message, category, filename, lineno, line))
+ file.write(text)
except OSError:
- pass # the file (probably stderr) is invalid - this warning gets lost.
+ # the file (probably stderr) is invalid - this warning gets lost.
+ pass
-def formatwarning(message, category, filename, lineno, line=None):
- """Function to format a warning the standard way."""
- s = "%s:%s: %s: %s\n" % (filename, lineno, category.__name__, message)
- if line is None:
+def _formatwarnmsg_impl(msg):
+ s = ("%s:%s: %s: %s\n"
+ % (msg.filename, msg.lineno, msg.category.__name__,
+ msg.message))
+
+ if msg.line is None:
try:
import linecache
- line = linecache.getline(filename, lineno)
+ line = linecache.getline(msg.filename, msg.lineno)
except Exception:
# When a warning is logged during Python shutdown, linecache
- # and the improt machinery don't work anymore
+ # and the import machinery don't work anymore
line = None
+ linecache = None
+ else:
+ line = msg.line
if line:
line = line.strip()
s += " %s\n" % line