[Python-checkins] cpython (merge 3.5 -> default): Issue #21159: Improve message in configparser.InterpolationMissingOptionError.
robert.collins
python-checkins at python.org
Fri Aug 14 10:16:24 CEST 2015
https://hg.python.org/cpython/rev/7191910aeb45
changeset: 97377:7191910aeb45
parent: 97375:fb4e67040779
parent: 97374:1a144ff2d78b
user: Robert Collins <rbtcollins at hp.com>
date: Fri Aug 14 20:16:14 2015 +1200
summary:
Issue #21159: Improve message in configparser.InterpolationMissingOptionError.
Patch from Łukasz Langa.
files:
Lib/configparser.py | 29 +++++++++++-----------
Lib/test/test_configparser.py | 7 +++--
2 files changed, 18 insertions(+), 18 deletions(-)
diff --git a/Lib/configparser.py b/Lib/configparser.py
--- a/Lib/configparser.py
+++ b/Lib/configparser.py
@@ -263,12 +263,9 @@
"""A string substitution required a setting which was not available."""
def __init__(self, option, section, rawval, reference):
- msg = ("Bad value substitution:\n"
- "\tsection: [%s]\n"
- "\toption : %s\n"
- "\tkey : %s\n"
- "\trawval : %s\n"
- % (section, option, reference, rawval))
+ msg = ("Bad value substitution: option {!r} in section {!r} contains "
+ "an interpolation key {!r} which is not a valid option name. "
+ "Raw value: {!r}".format(option, section, reference, rawval))
InterpolationError.__init__(self, option, section, msg)
self.reference = reference
self.args = (option, section, rawval, reference)
@@ -286,11 +283,11 @@
"""Raised when substitutions are nested too deeply."""
def __init__(self, option, section, rawval):
- msg = ("Value interpolation too deeply recursive:\n"
- "\tsection: [%s]\n"
- "\toption : %s\n"
- "\trawval : %s\n"
- % (section, option, rawval))
+ msg = ("Recursion limit exceeded in value substitution: option {!r} "
+ "in section {!r} contains an interpolation key which "
+ "cannot be substituted in {} steps. Raw value: {!r}"
+ "".format(option, section, MAX_INTERPOLATION_DEPTH,
+ rawval))
InterpolationError.__init__(self, option, section, msg)
self.args = (option, section, rawval)
@@ -406,8 +403,9 @@
def _interpolate_some(self, parser, option, accum, rest, section, map,
depth):
+ rawval = parser.get(section, option, raw=True, fallback=rest)
if depth > MAX_INTERPOLATION_DEPTH:
- raise InterpolationDepthError(option, section, rest)
+ raise InterpolationDepthError(option, section, rawval)
while rest:
p = rest.find("%")
if p < 0:
@@ -432,7 +430,7 @@
v = map[var]
except KeyError:
raise InterpolationMissingOptionError(
- option, section, rest, var) from None
+ option, section, rawval, var) from None
if "%" in v:
self._interpolate_some(parser, option, accum, v,
section, map, depth + 1)
@@ -466,8 +464,9 @@
def _interpolate_some(self, parser, option, accum, rest, section, map,
depth):
+ rawval = parser.get(section, option, raw=True, fallback=rest)
if depth > MAX_INTERPOLATION_DEPTH:
- raise InterpolationDepthError(option, section, rest)
+ raise InterpolationDepthError(option, section, rawval)
while rest:
p = rest.find("$")
if p < 0:
@@ -504,7 +503,7 @@
"More than one ':' found: %r" % (rest,))
except (KeyError, NoSectionError, NoOptionError):
raise InterpolationMissingOptionError(
- option, section, rest, ":".join(path)) from None
+ option, section, rawval, ":".join(path)) from None
if "$" in v:
self._interpolate_some(parser, opt, accum, v, sect,
dict(parser.items(sect, raw=True)),
diff --git a/Lib/test/test_configparser.py b/Lib/test/test_configparser.py
--- a/Lib/test/test_configparser.py
+++ b/Lib/test/test_configparser.py
@@ -847,7 +847,8 @@
"something with lots of interpolation (10 steps)")
e = self.get_error(cf, configparser.InterpolationDepthError, "Foo", "bar11")
if self.interpolation == configparser._UNSET:
- self.assertEqual(e.args, ("bar11", "Foo", "%(with1)s"))
+ self.assertEqual(e.args, ("bar11", "Foo",
+ "something %(with11)s lots of interpolation (11 steps)"))
elif isinstance(self.interpolation, configparser.LegacyInterpolation):
self.assertEqual(e.args, ("bar11", "Foo",
"something %(with11)s lots of interpolation (11 steps)"))
@@ -861,7 +862,7 @@
self.assertEqual(e.option, "name")
if self.interpolation == configparser._UNSET:
self.assertEqual(e.args, ('name', 'Interpolation Error',
- '', 'reference'))
+ '%(reference)s', 'reference'))
elif isinstance(self.interpolation, configparser.LegacyInterpolation):
self.assertEqual(e.args, ('name', 'Interpolation Error',
'%(reference)s', 'reference'))
@@ -1177,7 +1178,7 @@
with self.assertRaises(exception_class) as cm:
cf['interpolated']['$trying']
self.assertEqual(cm.exception.reference, 'dollars:${sick')
- self.assertEqual(cm.exception.args[2], '}') #rawval
+ self.assertEqual(cm.exception.args[2], '${dollars:${sick}}') #rawval
def test_case_sensitivity_basic(self):
ini = textwrap.dedent("""
--
Repository URL: https://hg.python.org/cpython
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