SF #642236, optparse LaTeX docs by Johannes Gijsbers

1 files changed, 62 insertions, 0 deletions

diff --git a/Doc/lib/caseless.py b/Doc/lib/caseless.py
new file mode 100755
index 0000000..107fed6
--- /dev/null
+++ b/Doc/lib/caseless.py
@@ -0,0 +1,62 @@
+from optparse import Option, OptionParser, _match_abbrev
+
+# This case-insensitive option parser relies on having a
+# case-insensitive dictionary type available.  Here's one
+# for Python 2.2.  Note that a *real* case-insensitive
+# dictionary type would also have to implement __new__(),
+# update(), and setdefault() -- but that's not the point
+# of this exercise.
+
+class caseless_dict (dict):
+    def __setitem__ (self, key, value):
+        dict.__setitem__(self, key.lower(), value)
+
+    def __getitem__ (self, key):
+        return dict.__getitem__(self, key.lower())
+
+    def get (self, key, default=None):
+        return dict.get(self, key.lower())
+
+    def has_key (self, key):
+        return dict.has_key(self, key.lower())
+
+
+class CaselessOptionParser (OptionParser):
+
+    def _create_option_list (self):
+        self.option_list = []
+        self._short_opt = caseless_dict()
+        self._long_opt = caseless_dict()
+        self._long_opts = []
+        self.defaults = {}
+
+    def _match_long_opt (self, opt):
+        return _match_abbrev(opt.lower(), self._long_opt.keys())
+
+
+if __name__ == "__main__":
+    from optik.errors import OptionConflictError
+
+    # test 1: no options to start with
+    parser = CaselessOptionParser()
+    try:
+        parser.add_option("-H", dest="blah")
+    except OptionConflictError:
+        print "ok: got OptionConflictError for -H"
+    else:
+        print "not ok: no conflict between -h and -H"
+    
+    parser.add_option("-f", "--file", dest="file")
+    #print `parser.get_option("-f")`
+    #print `parser.get_option("-F")`
+    #print `parser.get_option("--file")`
+    #print `parser.get_option("--fIlE")`
+    (options, args) = parser.parse_args(["--FiLe", "foo"])
+    assert options.file == "foo", options.file
+    print "ok: case insensitive long options work"
+
+    (options, args) = parser.parse_args(["-F", "bar"])
+    assert options.file == "bar", options.file
+    print "ok: case insensitive short options work"
+    
+