Merged revisions 74706 via svnmerge from

svn+ssh://pythondev@www.python.org/python/branches/py3k

................
  r74706 | mark.dickinson | 2009-09-07 17:21:56 +0100 (Mon, 07 Sep 2009) | 10 lines

  Merged revisions 74704 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

  ........
    r74704 | mark.dickinson | 2009-09-07 17:17:41 +0100 (Mon, 07 Sep 2009) | 3 lines

    Issue #6850: Fix bug in Decimal._parse_format_specifier for formats
    with no type specifier.
  ........
................

Lib/decimal.py

@@ -5592,7 +5592,7 @@ def _parse_format_specifier(format_spec, _localeconv=None):
     # if format type is 'g' or 'G' then a precision of 0 makes little
     # sense; convert it to 1.  Same if format type is unspecified.
     if format_dict['precision'] == 0:
-        if format_dict['type'] in 'gG' or format_dict['type'] is None:
+        if format_dict['type'] is None or format_dict['type'] in 'gG':
             format_dict['precision'] = 1
 
     # determine thousands separator, grouping, and decimal separator, and

Lib/test/test_decimal.py

@@ -749,6 +749,9 @@ class DecimalFormatTest(unittest.TestCase):
             (',%', '123.456789', '12,345.6789%'),
             (',e', '123456', '1.23456e+5'),
             (',E', '123456', '1.23456E+5'),
+
+            # issue 6850
+            ('a=-7.0', '0.12345', 'aaaa0.1'),
             ]
         for fmt, d, result in test_values:
             self.assertEqual(format(Decimal(d), fmt), result)

Misc/NEWS

@@ -52,6 +52,9 @@ C-API
 Library
 -------
 
+- Issue #6850: Fix bug in Decimal._parse_format_specifier for formats
+  with no type specifier.
+
 - Issue #6239: ctypes.c_char_p return value must return bytes.
 
 - Issue #6838: Use a list to accumulate the value instead of