Mercurial > piecrust2

annotate piecrust/commands/base.py @ 23:923699e816d0

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Don't try to get the name of a source that doesn't have one. TODO: clean up code duplication.
author Ludovic Chabant <ludovic@chabant.com>
date Tue, 19 Aug 2014 08:34:16 -0700
parents f485ba500df3
children c8c522dacfea
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
a212a3f2e3ee Initial commit.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
1 import logging
3
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
2 import functools
1
aaa8fb7c8918 Re-arranged modules to reduce dependencies to builtin stuff.
Ludovic Chabant <ludovic@chabant.com>
parents: 0
diff changeset
3 from piecrust.pathutil import SiteNotFoundError
0
a212a3f2e3ee Initial commit.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
4
a212a3f2e3ee Initial commit.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
5
a212a3f2e3ee Initial commit.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
6 logger = logging.getLogger(__name__)
a212a3f2e3ee Initial commit.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
7
a212a3f2e3ee Initial commit.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
8
a212a3f2e3ee Initial commit.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
9 class CommandContext(object):
1
aaa8fb7c8918 Re-arranged modules to reduce dependencies to builtin stuff.
Ludovic Chabant <ludovic@chabant.com>
parents: 0
diff changeset
10 def __init__(self, app, args):
aaa8fb7c8918 Re-arranged modules to reduce dependencies to builtin stuff.
Ludovic Chabant <ludovic@chabant.com>
parents: 0
diff changeset
11 self.app = app
0
a212a3f2e3ee Initial commit.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
12 self.args = args
3
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
13 self.result = 0
0
a212a3f2e3ee Initial commit.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
14
a212a3f2e3ee Initial commit.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
15
a212a3f2e3ee Initial commit.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
16 class ChefCommand(object):
a212a3f2e3ee Initial commit.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
17 def __init__(self):
a212a3f2e3ee Initial commit.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
18 self.name = '__unknown__'
a212a3f2e3ee Initial commit.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
19 self.description = '__unknown__'
a212a3f2e3ee Initial commit.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
20 self.requires_website = True
a212a3f2e3ee Initial commit.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
21
3
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
22 def setupParser(self, parser, app):
0
a212a3f2e3ee Initial commit.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
23 raise NotImplementedError()
a212a3f2e3ee Initial commit.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
24
a212a3f2e3ee Initial commit.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
25 def run(self, ctx):
a212a3f2e3ee Initial commit.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
26 raise NotImplementedError()
a212a3f2e3ee Initial commit.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
27
1
aaa8fb7c8918 Re-arranged modules to reduce dependencies to builtin stuff.
Ludovic Chabant <ludovic@chabant.com>
parents: 0
diff changeset
28 def _runFromChef(self, app, res):
3
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
29 if app.root_dir is None and self.requires_website:
1
aaa8fb7c8918 Re-arranged modules to reduce dependencies to builtin stuff.
Ludovic Chabant <ludovic@chabant.com>
parents: 0
diff changeset
30 raise SiteNotFoundError()
3
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
31 ctx = CommandContext(app, res)
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
32 self.run(ctx)
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
33 return ctx.result
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
34
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
35
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
36 class ExtendableChefCommand(ChefCommand):
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
37 def __init__(self):
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
38 super(ExtendableChefCommand, self).__init__()
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
39 self._extensions = None
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
40
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
41 def setupParser(self, parser, app):
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
42 self._loadExtensions(app)
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
43 subparsers = parser.add_subparsers()
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
44 for e in self._extensions:
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
45 p = subparsers.add_parser(e.name, help=e.description)
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
46 e.setupParser(p, app)
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
47 p.set_defaults(func=e._runFromChef)
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
48
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
49 def _loadExtensions(self, app):
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
50 if self._extensions is not None:
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
51 return
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
52 self._extensions = []
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
53 for e in app.plugin_loader.getCommandExtensions():
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
54 if e.command_name == self.name and e.supports(app):
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
55 self._extensions.append(e)
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
56
0
a212a3f2e3ee Initial commit.
Ludovic Chabant <ludovic@chabant.com>
parents:
diff changeset
57
3
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
58 class ChefCommandExtension(ChefCommand):
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
59 def __init__(self):
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
60 super(ChefCommandExtension, self).__init__()
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
61 self.command_name = '__unknown__'
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
62
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
63 def supports(self, app):
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
64 return True
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
65
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
66
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
67 class _WrappedCommand(ChefCommand):
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
68 def __init__(self, func, name, description):
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
69 super(_WrappedCommand, self).__init__()
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
70 self.func = func
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
71 self.name = name
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
72 self.description = description
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
73
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
74 def run(self, ctx):
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
75 self.func(ctx)
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
76
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
77
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
78 def simple_command(f, name, description=None):
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
79 @functools.wraps(f)
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
80 def wrapper(*args, **kwargs):
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
81 return f(*args, **kwargs)
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
82 cmd = _WrappedCommand(f, name, description)
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
83 f.__command_class__ = cmd
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
84 return wrapper
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
85
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
86
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
87 def get_func_command(f):
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
88 return getattr(f, '__command_class__')
f485ba500df3 Gigantic change to basically make PieCrust 2 vaguely functional.
Ludovic Chabant <ludovic@chabant.com>
parents: 1
diff changeset
89