diff options
-rw-r--r-- | Doc/lib/libcfgparser.tex | 9 | ||||
-rw-r--r-- | Lib/ConfigParser.py | 12 | ||||
-rw-r--r-- | Lib/test/test_cfgparser.py | 8 |
3 files changed, 24 insertions, 5 deletions
diff --git a/Doc/lib/libcfgparser.tex b/Doc/lib/libcfgparser.tex index ca9eb2d..a64ae53 100644 --- a/Doc/lib/libcfgparser.tex +++ b/Doc/lib/libcfgparser.tex @@ -62,6 +62,13 @@ and \method{items()} methods. The values in \var{defaults} must be appropriate for the \samp{\%()s} string interpolation. Note that \var{__name__} is an intrinsic default; its value is the section name, and will override any value provided in \var{defaults}. + +All option names used in interpolation will be passed through the +\method{optionxform()} method just like any other option name +reference. For example, using the default implementation of +\method{optionxform()} (which converts option names to lower case), +the values \samp{foo \%(bar)s} and \samp{foo \%(BAR)s} are +equivalent. \end{classdesc} \begin{classdesc}{SafeConfigParser}{\optional{defaults}} @@ -271,6 +278,8 @@ option names case sensitive. The \class{ConfigParser} class extends some methods of the \class{RawConfigParser} interface, adding some optional arguments. +The \class{SafeConfigParser} class implements the same extended +interface. \begin{methoddesc}{get}{section, option\optional{, raw\optional{, vars}}} Get an \var{option} value for the named \var{section}. All the diff --git a/Lib/ConfigParser.py b/Lib/ConfigParser.py index d32eae0..73acdd1 100644 --- a/Lib/ConfigParser.py +++ b/Lib/ConfigParser.py @@ -555,6 +555,7 @@ class ConfigParser(RawConfigParser): while depth: # Loop through this until it's done depth -= 1 if "%(" in value: + value = self._KEYCRE.sub(self._interpolation_replace, value) try: value = value % vars except KeyError, e: @@ -566,6 +567,15 @@ class ConfigParser(RawConfigParser): raise InterpolationDepthError(option, section, rawval) return value + _KEYCRE = re.compile(r"%\(([^)]*)\)s|.") + + def _interpolation_replace(self, match): + s = match.group(1) + if s is None: + return match.group() + else: + return "%%(%s)s" % self.optionxform(s) + class SafeConfigParser(ConfigParser): @@ -598,7 +608,7 @@ class SafeConfigParser(ConfigParser): if m is None: raise InterpolationSyntaxError(option, section, "bad interpolation variable reference %r" % rest) - var = m.group(1) + var = self.optionxform(m.group(1)) rest = rest[m.end():] try: v = map[var] diff --git a/Lib/test/test_cfgparser.py b/Lib/test/test_cfgparser.py index b1b495e..28063b5 100644 --- a/Lib/test/test_cfgparser.py +++ b/Lib/test/test_cfgparser.py @@ -222,11 +222,11 @@ class TestCaseBase(unittest.TestCase): "with11=%(with10)s\n" "with10=%(with9)s\n" "with9=%(with8)s\n" - "with8=%(with7)s\n" - "with7=%(with6)s\n" + "with8=%(With7)s\n" + "with7=%(WITH6)s\n" "with6=%(with5)s\n" - "with5=%(with4)s\n" - "with4=%(with3)s\n" + "With5=%(with4)s\n" + "WITH4=%(with3)s\n" "with3=%(with2)s\n" "with2=%(with1)s\n" "with1=with\n" |