From 458120dd40db6b4df55a4e96b650e16798ef06a0 Mon Sep 17 00:00:00 2001 From: cinap_lenrek Date: Tue, 3 May 2011 11:25:13 +0000 Subject: add hg and python --- sys/src/cmd/python/Doc/lib/required_1.py | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100755 sys/src/cmd/python/Doc/lib/required_1.py (limited to 'sys/src/cmd/python/Doc/lib/required_1.py') diff --git a/sys/src/cmd/python/Doc/lib/required_1.py b/sys/src/cmd/python/Doc/lib/required_1.py new file mode 100755 index 000000000..6be5668ee --- /dev/null +++ b/sys/src/cmd/python/Doc/lib/required_1.py @@ -0,0 +1,20 @@ +import optparse + +class OptionParser (optparse.OptionParser): + + def check_required (self, opt): + option = self.get_option(opt) + + # Assumes the option's 'default' is set to None! + if getattr(self.values, option.dest) is None: + self.error("%s option not supplied" % option) + + +parser = OptionParser() +parser.add_option("-v", action="count", dest="verbose") +parser.add_option("-f", "--file", default=None) +(options, args) = parser.parse_args() + +print "verbose:", options.verbose +print "file:", options.file +parser.check_required("-f") -- cgit v1.2.3