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-rw-r--r--powerline/commands/config.py109
1 files changed, 109 insertions, 0 deletions
diff --git a/powerline/commands/config.py b/powerline/commands/config.py
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+++ b/powerline/commands/config.py
@@ -0,0 +1,109 @@
+# vim:fileencoding=utf-8:noet
+from __future__ import (division, absolute_import, print_function)
+
+import argparse
+
+import powerline.bindings.config as config
+
+
+class StrFunction(object):
+ def __init__(self, function, name=None):
+ self.name = name or function.__name__
+ self.function = function
+
+ def __call__(self, *args, **kwargs):
+ self.function(*args, **kwargs)
+
+ def __str__(self):
+ return self.name
+
+
+TMUX_ACTIONS = {
+ 'source': StrFunction(config.source_tmux_files, 'source'),
+ 'setenv': StrFunction(config.init_tmux_environment, 'setenv'),
+ 'setup': StrFunction(config.tmux_setup, 'setup'),
+}
+
+
+SHELL_ACTIONS = {
+ 'command': StrFunction(config.shell_command, 'command'),
+ 'uses': StrFunction(config.uses),
+}
+
+
+class ConfigArgParser(argparse.ArgumentParser):
+ def parse_args(self, *args, **kwargs):
+ ret = super(ConfigArgParser, self).parse_args(*args, **kwargs)
+ if not hasattr(ret, 'function'):
+ # In Python-3* `powerline-config` (without arguments) raises
+ # AttributeError. I have not found any standard way to display same
+ # error message as in Python-2*.
+ self.error('too few arguments')
+ return ret
+
+
+def get_argparser(ArgumentParser=ConfigArgParser):
+ parser = ArgumentParser(description='Script used to obtain powerline configuration.')
+ parser.add_argument(
+ '-p', '--config-path', action='append', metavar='PATH',
+ help='Path to configuration directory. If it is present '
+ 'then configuration files will only be sought in the provided path. '
+ 'May be provided multiple times to search in a list of directories.'
+ )
+ subparsers = parser.add_subparsers()
+ tmux_parser = subparsers.add_parser('tmux', help='Tmux-specific commands')
+ tmux_parser.add_argument(
+ 'function',
+ choices=tuple(TMUX_ACTIONS.values()),
+ metavar='ACTION',
+ type=(lambda v: TMUX_ACTIONS.get(v)),
+ help='If action is `source\' then version-specific tmux configuration '
+ 'files are sourced, if it is `setenv\' then special '
+ '(prefixed with `_POWERLINE\') tmux global environment variables '
+ 'are filled with data from powerline configuration. '
+ 'Action `setup\' is just doing `setenv\' then `source\'.'
+ )
+ tpg = tmux_parser.add_mutually_exclusive_group()
+ tpg.add_argument(
+ '-s', '--source', action='store_true', default=None,
+ help='When using `setup\': always use configuration file sourcing. '
+ 'By default this is determined automatically based on tmux '
+ 'version: this is the default for tmux 1.8 and below.',
+ )
+ tpg.add_argument(
+ '-n', '--no-source', action='store_false', dest='source', default=None,
+ help='When using `setup\': in place of sourcing directly execute '
+ 'configuration files. That is, read each needed '
+ 'powerline-specific configuration file, substitute '
+ '`$_POWERLINE_…\' variables with appropriate values and run '
+ '`tmux config line\'. This is the default behaviour for '
+ 'tmux 1.9 and above.'
+ )
+
+ shell_parser = subparsers.add_parser('shell', help='Shell-specific commands')
+ shell_parser.add_argument(
+ 'function',
+ choices=tuple(SHELL_ACTIONS.values()),
+ type=(lambda v: SHELL_ACTIONS.get(v)),
+ metavar='ACTION',
+ help='If action is `command\' then preferred powerline command is '
+ 'output, if it is `uses\' then powerline-config script will exit '
+ 'with 1 if specified component is disabled and 0 otherwise.',
+ )
+ shell_parser.add_argument(
+ 'component',
+ nargs='?',
+ choices=('tmux', 'prompt'),
+ metavar='COMPONENT',
+ help='Only applicable for `uses\' subcommand: makes `powerline-config\' '
+ 'exit with 0 if specific component is enabled and with 1 otherwise. '
+ '`tmux\' component stands for tmux bindings '
+ '(e.g. those that notify tmux about current directory changes), '
+ '`prompt\' component stands for shell prompt.'
+ )
+ shell_parser.add_argument(
+ '-s', '--shell',
+ metavar='SHELL',
+ help='Shell for which query is run',
+ )
+ return parser