Mercurial > hg > MakeItSo
annotate makeitso/cli.py @ 102:ad5fd3eb6674
template fixes....not the best, but will do
author | Jeff Hammel <jhammel@mozilla.com> |
---|---|
date | Tue, 11 Jan 2011 16:30:52 -0800 |
parents | 37f92ae8f999 |
children | 9c70669854f4 |
rev | line source |
---|---|
57
074a32920f7c
stub for a command-line parser
Jeff Hammel <jhammel@mozilla.com>
parents:
diff
changeset
|
1 """ |
074a32920f7c
stub for a command-line parser
Jeff Hammel <jhammel@mozilla.com>
parents:
diff
changeset
|
2 command line parser for MakeItSo |
074a32920f7c
stub for a command-line parser
Jeff Hammel <jhammel@mozilla.com>
parents:
diff
changeset
|
3 """ |
074a32920f7c
stub for a command-line parser
Jeff Hammel <jhammel@mozilla.com>
parents:
diff
changeset
|
4 |
62
30100690ad3f
display defaults with command line --help option
Jeff Hammel <jhammel@mozilla.com>
parents:
61
diff
changeset
|
5 from template import Undefined |
57
074a32920f7c
stub for a command-line parser
Jeff Hammel <jhammel@mozilla.com>
parents:
diff
changeset
|
6 from optparse import OptionParser |
074a32920f7c
stub for a command-line parser
Jeff Hammel <jhammel@mozilla.com>
parents:
diff
changeset
|
7 |
58
112bf081148c
make a full CLI class for a single API template
Jeff Hammel <jhammel@mozilla.com>
parents:
57
diff
changeset
|
8 class MakeItSoCLI(object): |
112bf081148c
make a full CLI class for a single API template
Jeff Hammel <jhammel@mozilla.com>
parents:
57
diff
changeset
|
9 """command line interface to a makeitso template""" |
112bf081148c
make a full CLI class for a single API template
Jeff Hammel <jhammel@mozilla.com>
parents:
57
diff
changeset
|
10 |
112bf081148c
make a full CLI class for a single API template
Jeff Hammel <jhammel@mozilla.com>
parents:
57
diff
changeset
|
11 def __init__(self, template_class): |
112bf081148c
make a full CLI class for a single API template
Jeff Hammel <jhammel@mozilla.com>
parents:
57
diff
changeset
|
12 self.template_class = template_class |
112bf081148c
make a full CLI class for a single API template
Jeff Hammel <jhammel@mozilla.com>
parents:
57
diff
changeset
|
13 |
112bf081148c
make a full CLI class for a single API template
Jeff Hammel <jhammel@mozilla.com>
parents:
57
diff
changeset
|
14 def parser(self): |
112bf081148c
make a full CLI class for a single API template
Jeff Hammel <jhammel@mozilla.com>
parents:
57
diff
changeset
|
15 """ |
112bf081148c
make a full CLI class for a single API template
Jeff Hammel <jhammel@mozilla.com>
parents:
57
diff
changeset
|
16 return a command line parser for the template |
112bf081148c
make a full CLI class for a single API template
Jeff Hammel <jhammel@mozilla.com>
parents:
57
diff
changeset
|
17 """ |
98
37f92ae8f999
separate out variable getting to its own function
Jeff Hammel <jhammel@mozilla.com>
parents:
95
diff
changeset
|
18 usage = getattr(self, 'usage', '%prog [options] output') |
60
da0d8c5c5157
what i really meant to do with variables
Jeff Hammel <jhammel@mozilla.com>
parents:
59
diff
changeset
|
19 description = getattr(self.template_class, 'description', None) |
58
112bf081148c
make a full CLI class for a single API template
Jeff Hammel <jhammel@mozilla.com>
parents:
57
diff
changeset
|
20 parser = OptionParser(usage=usage, description=description) |
60
da0d8c5c5157
what i really meant to do with variables
Jeff Hammel <jhammel@mozilla.com>
parents:
59
diff
changeset
|
21 |
da0d8c5c5157
what i really meant to do with variables
Jeff Hammel <jhammel@mozilla.com>
parents:
59
diff
changeset
|
22 # add the variables as options |
da0d8c5c5157
what i really meant to do with variables
Jeff Hammel <jhammel@mozilla.com>
parents:
59
diff
changeset
|
23 for variable in self.template_class.vars: |
62
30100690ad3f
display defaults with command line --help option
Jeff Hammel <jhammel@mozilla.com>
parents:
61
diff
changeset
|
24 description = variable.description |
77
059b02808efa
ensure the description exists
Jeff Hammel <jhammel@mozilla.com>
parents:
68
diff
changeset
|
25 if (variable.default is not None) and (variable.default is not Undefined) and description is not None: |
62
30100690ad3f
display defaults with command line --help option
Jeff Hammel <jhammel@mozilla.com>
parents:
61
diff
changeset
|
26 description += ' [DEFAULT: %s]' % variable.default |
60
da0d8c5c5157
what i really meant to do with variables
Jeff Hammel <jhammel@mozilla.com>
parents:
59
diff
changeset
|
27 parser.add_option('--%s' % variable.name, dest=variable.name, |
da0d8c5c5157
what i really meant to do with variables
Jeff Hammel <jhammel@mozilla.com>
parents:
59
diff
changeset
|
28 default=variable.default, |
62
30100690ad3f
display defaults with command line --help option
Jeff Hammel <jhammel@mozilla.com>
parents:
61
diff
changeset
|
29 help=description) |
58
112bf081148c
make a full CLI class for a single API template
Jeff Hammel <jhammel@mozilla.com>
parents:
57
diff
changeset
|
30 return parser |
112bf081148c
make a full CLI class for a single API template
Jeff Hammel <jhammel@mozilla.com>
parents:
57
diff
changeset
|
31 |
98
37f92ae8f999
separate out variable getting to its own function
Jeff Hammel <jhammel@mozilla.com>
parents:
95
diff
changeset
|
32 def get_variables(self, options): |
37f92ae8f999
separate out variable getting to its own function
Jeff Hammel <jhammel@mozilla.com>
parents:
95
diff
changeset
|
33 """ |
37f92ae8f999
separate out variable getting to its own function
Jeff Hammel <jhammel@mozilla.com>
parents:
95
diff
changeset
|
34 return variables from (parsed) options |
37f92ae8f999
separate out variable getting to its own function
Jeff Hammel <jhammel@mozilla.com>
parents:
95
diff
changeset
|
35 """ |
37f92ae8f999
separate out variable getting to its own function
Jeff Hammel <jhammel@mozilla.com>
parents:
95
diff
changeset
|
36 return dict([(key, value) |
37f92ae8f999
separate out variable getting to its own function
Jeff Hammel <jhammel@mozilla.com>
parents:
95
diff
changeset
|
37 for key, value in options.__dict__.items() |
37f92ae8f999
separate out variable getting to its own function
Jeff Hammel <jhammel@mozilla.com>
parents:
95
diff
changeset
|
38 if not key.startswith('_')]) |
37f92ae8f999
separate out variable getting to its own function
Jeff Hammel <jhammel@mozilla.com>
parents:
95
diff
changeset
|
39 |
95
e74baa8e6df4
fix CLI interface a bit....write a test for it
Jeff Hammel <jhammel@mozilla.com>
parents:
85
diff
changeset
|
40 def parse(self, args=None, parser=None, options=None): |
85
cb6c54b1adf3
allow .parse() to be consumed
Jeff Hammel <jhammel@mozilla.com>
parents:
77
diff
changeset
|
41 |
cb6c54b1adf3
allow .parse() to be consumed
Jeff Hammel <jhammel@mozilla.com>
parents:
77
diff
changeset
|
42 # parse the command line |
95
e74baa8e6df4
fix CLI interface a bit....write a test for it
Jeff Hammel <jhammel@mozilla.com>
parents:
85
diff
changeset
|
43 if not parser or not options: |
85
cb6c54b1adf3
allow .parse() to be consumed
Jeff Hammel <jhammel@mozilla.com>
parents:
77
diff
changeset
|
44 parser = self.parser() |
95
e74baa8e6df4
fix CLI interface a bit....write a test for it
Jeff Hammel <jhammel@mozilla.com>
parents:
85
diff
changeset
|
45 options, args = parser.parse_args(args=args) |
58
112bf081148c
make a full CLI class for a single API template
Jeff Hammel <jhammel@mozilla.com>
parents:
57
diff
changeset
|
46 |
60
da0d8c5c5157
what i really meant to do with variables
Jeff Hammel <jhammel@mozilla.com>
parents:
59
diff
changeset
|
47 # ensure output is given |
da0d8c5c5157
what i really meant to do with variables
Jeff Hammel <jhammel@mozilla.com>
parents:
59
diff
changeset
|
48 if len(args) != 1: |
61
57f9b0349192
wait, its completely silly to print the variables since OptionParser already does that
Jeff Hammel <jhammel@mozilla.com>
parents:
60
diff
changeset
|
49 parser.error("Please specify a single output destination") |
60
da0d8c5c5157
what i really meant to do with variables
Jeff Hammel <jhammel@mozilla.com>
parents:
59
diff
changeset
|
50 |
58
112bf081148c
make a full CLI class for a single API template
Jeff Hammel <jhammel@mozilla.com>
parents:
57
diff
changeset
|
51 # template variables |
98
37f92ae8f999
separate out variable getting to its own function
Jeff Hammel <jhammel@mozilla.com>
parents:
95
diff
changeset
|
52 variables = self.get_variables(options) |
37f92ae8f999
separate out variable getting to its own function
Jeff Hammel <jhammel@mozilla.com>
parents:
95
diff
changeset
|
53 |
37f92ae8f999
separate out variable getting to its own function
Jeff Hammel <jhammel@mozilla.com>
parents:
95
diff
changeset
|
54 # return the variables and the output |
95
e74baa8e6df4
fix CLI interface a bit....write a test for it
Jeff Hammel <jhammel@mozilla.com>
parents:
85
diff
changeset
|
55 return variables, args[0] |
58
112bf081148c
make a full CLI class for a single API template
Jeff Hammel <jhammel@mozilla.com>
parents:
57
diff
changeset
|
56 |
95
e74baa8e6df4
fix CLI interface a bit....write a test for it
Jeff Hammel <jhammel@mozilla.com>
parents:
85
diff
changeset
|
57 def __call__(self, *args): |
e74baa8e6df4
fix CLI interface a bit....write a test for it
Jeff Hammel <jhammel@mozilla.com>
parents:
85
diff
changeset
|
58 variables, output = self.parse(list(args)) |
e74baa8e6df4
fix CLI interface a bit....write a test for it
Jeff Hammel <jhammel@mozilla.com>
parents:
85
diff
changeset
|
59 template = self.template_class(variables=variables) |
e74baa8e6df4
fix CLI interface a bit....write a test for it
Jeff Hammel <jhammel@mozilla.com>
parents:
85
diff
changeset
|
60 template.substitute({}, output=output) |