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Allow overriding the renderer when instantiating Powerline

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This is useful to allow e.g. the prompt script to use a common shell
theme while having different renderers for different shells.
This commit is contained in:
Kim Silkebækken 2013-01-21 10:31:16 +01:00
parent 7be62ba563
commit 45769b2907
2 changed files with 13 additions and 6 deletions
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10
powerline/core.py
View File

@ -7,10 +7,11 @@ import sys
from colorscheme import Colorscheme from colorscheme import Colorscheme
from matcher import Matcher from matcher import Matcher
from powerline.lib import underscore_to_camelcase
class Powerline(object): class Powerline(object):
def __init__(self, ext): def __init__(self, ext, renderer_module=None):
config_home = os.environ.get('XDG_CONFIG_HOME', os.path.expanduser('~/.config')) config_home = os.environ.get('XDG_CONFIG_HOME', os.path.expanduser('~/.config'))
config_path = os.path.join(config_home, 'powerline') config_path = os.path.join(config_home, 'powerline')
plugin_path = os.path.join(os.path.realpath(os.path.dirname(__file__)), 'config_files') plugin_path = os.path.join(os.path.realpath(os.path.dirname(__file__)), 'config_files')
@ -41,9 +42,10 @@ class Powerline(object):
local_themes[key] = {'config': self._load_theme_config(ext, local_theme_name)} local_themes[key] = {'config': self._load_theme_config(ext, local_theme_name)}
# Load and initialize extension renderer # Load and initialize extension renderer
renderer_module_name = 'powerline.renderers.{0}'.format(ext) renderer_module_name = renderer_module or ext
renderer_class_name = '{0}Renderer'.format(ext.capitalize()) renderer_module_import = 'powerline.renderers.{0}'.format(renderer_module_name)
Renderer = getattr(importlib.import_module(renderer_module_name), renderer_class_name) renderer_class_name = '{0}Renderer'.format(underscore_to_camelcase(renderer_module_name))
Renderer = getattr(importlib.import_module(renderer_module_import), renderer_class_name)
self.renderer = Renderer(theme_config, local_themes, theme_kwargs) self.renderer = Renderer(theme_config, local_themes, theme_kwargs)
def add_local_theme(self, key, config): def add_local_theme(self, key, config):

9
powerline/lib/__init__.py
View File

@ -1,2 +1,7 @@
from humanize_bytes import humanize_bytes from memoize import memoize # NOQA
from memoize import memoize from humanize_bytes import humanize_bytes # NOQA
def underscore_to_camelcase(string):
'''Return a underscore_separated_string as CamelCase.'''
return ''.join(word.capitalize() or '_' for word in string.split('_'))