Mercurial > rinkhals

comparison gamelib/config.py @ 486:8897a436a8cb

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Factor out save game logic and (new, simplified) dialogs into their own module. Add preferences folder to concept to config. Save games under preferences folder.
author Simon Cross <hodgestar@gmail.com>
date Wed, 25 Nov 2009 21:50:54 +0000
parents 03d5cb669298
children
comparison
equal deleted inserted replaced
485:6f0385ebcb4f 486:8897a436a8cb
1 # level.py 1 # level.py
2 2
3 from ConfigParser import RawConfigParser 3 from ConfigParser import RawConfigParser
4 from optparse import OptionParser 4 from optparse import OptionParser
5 import sys
6 import os
5 7
6 class Config(object): 8 class Config(object):
7 """Container for various global configuration knobs and levers.""" 9 """Container for various global configuration knobs and levers."""
8 10
9 valid_options = { 11 valid_options = {
10 'sound': {'type': 'boolean', 'default': 'true'}, 12 'sound': {'type': 'boolean', 'default': 'true'},
11 'level_name': {'type': 'string', 'default': 'two_weeks'}, 13 'level_name': {'type': 'string', 'default': 'two_weeks'},
12 } 14 }
13
14 config_filename = 'config.ini'
15 15
16 def configure(self, params=None): 16 def configure(self, params=None):
17 self._config = RawConfigParser(dict( 17 self._config = RawConfigParser(dict(
18 [(k, v['default']) for k, v in self.valid_options.items() if 'default' in v] 18 [(k, v['default']) for k, v in self.valid_options.items() if 'default' in v]
19 )) 19 ))
20 self._config.add_section('Options') 20 self._config.add_section('Options')
21 self._set_up_params(params) 21 self._set_up_params(params)
22 self._config.read(self.config_filename) 22 self._config.read(self.config_filename)
23 self._process_params() 23 self._process_params()
24 24
25 def ensure_dir_exists(self, folder):
26 """Ensure the given folder exists."""
27 if os.path.exists(folder):
28 assert os.path.isdir(folder)
29 else:
30 os.makedirs(folder)
31
25 def _set_up_params(self, params): 32 def _set_up_params(self, params):
26 parser = OptionParser() 33 parser = OptionParser()
27 parser.add_option("-c", "--config", metavar="FILE", dest="config_filename", 34 parser.add_option("-c", "--config", metavar="FILE", dest="config_filename",
28 help="read configuration from FILE") 35 help="read configuration from FILE")
36 parser.add_option("-p", "--prefs-folder", metavar="PREFS_FOLDER", dest="prefs_folder",
37 help="store preferences and save games in PREFS_FOLDER")
29 parser.add_option("-l", "--level", metavar="LEVEL", dest="level_name", 38 parser.add_option("-l", "--level", metavar="LEVEL", dest="level_name",
30 help="select level LEVEL") 39 help="select level LEVEL")
31 parser.add_option("--sound", action="store_const", const="on", dest="sound", 40 parser.add_option("--sound", action="store_const", const="on", dest="sound",
32 help="enable sound") 41 help="enable sound")
33 parser.add_option("--no-sound", action="store_const", const="off", dest="sound", 42 parser.add_option("--no-sound", action="store_const", const="off", dest="sound",
34 help="disable sound") 43 help="disable sound")
35 (self._opts, _) = parser.parse_args(params or []) 44 (self._opts, _) = parser.parse_args(params or [])
36 self.config_filename = self._opts.config_filename or self.config_filename 45 self.prefs_folder = self._opts.prefs_folder or self._default_prefs_dir()
46 self.ensure_dir_exists(self.prefs_folder)
47 self.save_folder = os.path.join(self.prefs_folder, "savegames")
48 self.ensure_dir_exists(self.save_folder)
49 self.config_filename = self._opts.config_filename or os.path.join(self.prefs_folder, "config.ini")
50
51 def _default_prefs_dir(self):
52 """Return a default preference folder name."""
53 app = "foxassault"
54 if sys.platform.startswith("win") and "APPDATA" in os.environ:
55 return os.path.join(os.environ["APPDATA"], app)
56 else:
57 return os.path.join(os.path.expanduser("~"), ".%s" % app)
37 58
38 def _process_params(self): 59 def _process_params(self):
39 for name in self.valid_options: 60 for name in self.valid_options:
40 opt = getattr(self._opts, name) 61 opt = getattr(self._opts, name)
41 if opt is not None: 62 if opt is not None: