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53e6db90 DC |
1 | from distutils.errors import DistutilsOptionError |
2 | ||
3 | from setuptools.command.setopt import edit_config, option_base, config_file | |
4 | ||
5 | ||
6 | def shquote(arg): | |
7 | """Quote an argument for later parsing by shlex.split()""" | |
8 | for c in '"', "'", "\\", "#": | |
9 | if c in arg: | |
10 | return repr(arg) | |
11 | if arg.split() != [arg]: | |
12 | return repr(arg) | |
13 | return arg | |
14 | ||
15 | ||
16 | class alias(option_base): | |
17 | """Define a shortcut that invokes one or more commands""" | |
18 | ||
19 | description = "define a shortcut to invoke one or more commands" | |
20 | command_consumes_arguments = True | |
21 | ||
22 | user_options = [ | |
23 | ('remove', 'r', 'remove (unset) the alias'), | |
24 | ] + option_base.user_options | |
25 | ||
26 | boolean_options = option_base.boolean_options + ['remove'] | |
27 | ||
28 | def initialize_options(self): | |
29 | option_base.initialize_options(self) | |
30 | self.args = None | |
31 | self.remove = None | |
32 | ||
33 | def finalize_options(self): | |
34 | option_base.finalize_options(self) | |
35 | if self.remove and len(self.args) != 1: | |
36 | raise DistutilsOptionError( | |
37 | "Must specify exactly one argument (the alias name) when " | |
38 | "using --remove" | |
39 | ) | |
40 | ||
41 | def run(self): | |
42 | aliases = self.distribution.get_option_dict('aliases') | |
43 | ||
44 | if not self.args: | |
45 | print("Command Aliases") | |
46 | print("---------------") | |
47 | for alias in aliases: | |
48 | print("setup.py alias", format_alias(alias, aliases)) | |
49 | return | |
50 | ||
51 | elif len(self.args) == 1: | |
52 | alias, = self.args | |
53 | if self.remove: | |
54 | command = None | |
55 | elif alias in aliases: | |
56 | print("setup.py alias", format_alias(alias, aliases)) | |
57 | return | |
58 | else: | |
59 | print("No alias definition found for %r" % alias) | |
60 | return | |
61 | else: | |
62 | alias = self.args[0] | |
63 | command = ' '.join(map(shquote, self.args[1:])) | |
64 | ||
65 | edit_config(self.filename, {'aliases': {alias: command}}, self.dry_run) | |
66 | ||
67 | ||
68 | def format_alias(name, aliases): | |
69 | source, command = aliases[name] | |
70 | if source == config_file('global'): | |
71 | source = '--global-config ' | |
72 | elif source == config_file('user'): | |
73 | source = '--user-config ' | |
74 | elif source == config_file('local'): | |
75 | source = '' | |
76 | else: | |
77 | source = '--filename=%r' % source | |
78 | return source + name + ' ' + command |