Mercurial > piecrust2

comparison chef.py @ 0:a212a3f2e3ee

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Initial commit.
author Ludovic Chabant <ludovic@chabant.com>
date Sat, 21 Dec 2013 14:44:02 -0800
parents
children aaa8fb7c8918
comparison
equal deleted inserted replaced
-1:000000000000 0:a212a3f2e3ee
1 import sys
2 import os.path
3 import logging
4 import argparse
5 from piecrust.app import PieCrust, PieCrustConfiguration, APP_VERSION
6 from piecrust.commands.base import CommandContext
7 from piecrust.environment import StandardEnvironment
8 from piecrust.pathutil import SiteNotFoundError, find_app_root
9
10
11 logger = logging.getLogger(__name__)
12 logging.basicConfig(level=logging.INFO,
13 format="%(message)s")
14
15
16 class NullPieCrust:
17 def __init__(self):
18 self.root = None
19 self.cache = False
20 self.debug = False
21 self.templates_dirs = []
22 self.pages_dir = []
23 self.posts_dir = []
24 self.plugins_dirs = []
25 self.theme_dir = None
26 self.cache_dir = None
27 self.config = PieCrustConfiguration()
28 self.env = StandardEnvironment(self)
29
30
31 def main():
32 root = None
33 cache = True
34 debug = False
35 config_variant = None
36 i = 0
37 while i < len(sys.argv):
38 arg = sys.argv[i]
39 if arg.startswith('--root='):
40 root = os.path.expanduser(arg[len('--root='):])
41 elif arg == '--root':
42 root = sys.argv[i + 1]
43 ++i
44 elif arg.startswith('--config='):
45 config_variant = arg[len('--config='):]
46 elif arg == '--config':
47 config_variant = sys.argv[i + 1]
48 ++i
49 elif arg == '--no-cache':
50 cache = False
51 elif arg == '--debug':
52 debug = True
53
54 if arg[0] != '-':
55 break
56
57 if debug:
58 logger.setLevel(logging.DEBUG)
59
60 if root is None:
61 root = find_app_root()
62
63 if not root:
64 app = NullPieCrust()
65 else:
66 app = PieCrust(root, cache=cache)
67
68 # Handle a configuration variant.
69 if config_variant is not None:
70 if not root:
71 raise SiteNotFoundError()
72 app.config.applyVariant('variants/' + config_variant)
73
74 # Setup the arg parser.
75 parser = argparse.ArgumentParser(
76 description="The PieCrust chef manages your website.")
77 parser.add_argument('--version', action='version', version=('%(prog)s ' + APP_VERSION))
78 parser.add_argument('--root', help="The root directory of the website.")
79 parser.add_argument('--config', help="The configuration variant to use for this command.")
80 parser.add_argument('--debug', help="Show debug information.", action='store_true')
81 parser.add_argument('--no-cache', help="When applicable, disable caching.", action='store_true')
82 parser.add_argument('--quiet', help="Print only important information.", action='store_true')
83 parser.add_argument('--log', help="Send log messages to the specified file.")
84
85 commands = sorted(app.plugin_loader.getCommands(),
86 lambda a, b: cmp(a.name, b.name))
87 subparsers = parser.add_subparsers()
88 for c in commands:
89 def command_runner(r):
90 if root is None and c.requires_website:
91 raise SiteNotFoundError()
92 c.run(CommandContext(r, app))
93
94 p = subparsers.add_parser(c.name, help=c.description)
95 c.setupParser(p)
96 p.set_defaults(func=command_runner)
97
98 # Parse the command line.
99 result = parser.parse_args()
100
101 # Setup the logger.
102 if result.debug and result.quiet:
103 raise Exception("You can't specify both --debug and --quiet.")
104 if result.debug:
105 logger.setLevel(logging.DEBUG)
106 elif result.quiet:
107 logger.setLevel(logging.WARNING)
108 if result.log:
109 from logging.handlers import FileHandler
110 logger.addHandler(FileHandler(result.log))
111
112 # Run the command!
113 result.func(result)
114
115
116 if __name__ == '__main__':
117 main()
118