Filipe Cabecinhas | d3eb837 | 2013-02-16 09:05:23 +0000 | [diff] [blame] | 1 | #!/usr/bin/env python |
| 2 | |
| 3 | """ |
| 4 | Compatibility module to use the lldb test-suite with Python 2.6. |
| 5 | |
| 6 | Warning: This may be buggy. It has not been extensively tested and should only |
| 7 | be used when it is impossible to use a newer Python version. |
| 8 | It is also a special-purpose class for lldb's test-suite. |
| 9 | """ |
| 10 | |
| 11 | import sys |
| 12 | |
| 13 | if sys.version_info >= (2, 7): |
| 14 | raise "This module shouldn't be used when argparse is available (Python >= 2.7)" |
| 15 | else: |
| 16 | print "Using Python 2.6 compatibility layer. Some command line options may not be supported" |
| 17 | |
| 18 | |
| 19 | import optparse |
| 20 | |
| 21 | |
| 22 | class ArgumentParser(object): |
| 23 | def __init__(self, description="My program's description", prefix_chars='-', add_help=True): |
| 24 | self.groups = [] |
| 25 | self.parser = optparse.OptionParser(description=description, add_help_option=add_help) |
| 26 | self.prefix_chars = prefix_chars |
| 27 | |
| 28 | def add_argument_group(self, name): |
| 29 | group = optparse.OptionGroup(self.parser, name) |
| 30 | # Hack around our test directories argument (what's left after the |
| 31 | # options) |
| 32 | if name != 'Test directories': |
| 33 | self.groups.append(group) |
| 34 | return ArgumentGroup(group) |
| 35 | |
| 36 | def add_argument(self, *opt_strs, **kwargs): |
| 37 | self.parser.add_option(*opt_strs, **kwargs) |
| 38 | # def add_argument(self, opt_str, action='store', dest=None, metavar=None, help=''): |
| 39 | # if dest is None and metavar is None: |
| 40 | # self.parser.add_argument(opt_str, action=action, help=help) |
| 41 | |
| 42 | def parse_args(self, arguments=sys.argv[1:]): |
| 43 | map(lambda g: self.parser.add_option_group(g), self.groups) |
| 44 | (options, args) = self.parser.parse_args(arguments) |
| 45 | d = vars(options) |
| 46 | d['args'] = args |
| 47 | return Namespace(d) |
| 48 | |
| 49 | def print_help(self): |
| 50 | self.parser.print_help() |
| 51 | |
| 52 | |
| 53 | class ArgumentGroup(object): |
| 54 | def __init__(self, option_group): |
| 55 | self.option_group = option_group |
| 56 | |
| 57 | def add_argument(self, *opt_strs, **kwargs): |
| 58 | # Hack around our positional argument (the test directories) |
| 59 | if opt_strs == ('args',): |
| 60 | return |
| 61 | |
| 62 | # Hack around the options that start with '+' |
| 63 | if len(opt_strs) == 1 and opt_strs[0] == '+a': |
| 64 | opt_strs = ('--plus_a',) |
| 65 | if len(opt_strs) == 1 and opt_strs[0] == '+b': |
| 66 | opt_strs = ('--plus_b',) |
| 67 | self.option_group.add_option(*opt_strs, **kwargs) |
| 68 | |
| 69 | |
| 70 | class Namespace(object): |
| 71 | def __init__(self, d): |
| 72 | self.__dict__ = d |
| 73 | |
| 74 | def __str__(self): |
| 75 | strings = [] |
| 76 | for (k, v) in self.__dict__.iteritems(): |
| 77 | strings.append(str(k) + '=' + str(v)) |
| 78 | strings.sort() |
| 79 | |
| 80 | return self.__class__.__name__ + '(' + ', '.join(strings) + ')' |