105 lines
3 KiB
Python
105 lines
3 KiB
Python
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# vim:fileencoding=utf-8:noet
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from __future__ import absolute_import
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import sys
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def get_segment_key(segment, theme_configs, key, module=None, default=None):
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try:
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return segment[key]
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except KeyError:
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if 'name' in segment:
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name = segment['name']
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for theme_config in theme_configs:
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if 'segment_data' in theme_config:
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for segment_key in ((module + '.' + name, name) if module else (name,)):
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try:
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return theme_config['segment_data'][segment_key][key]
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except KeyError:
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pass
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return default
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def get_function(data, segment):
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oldpath = sys.path
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sys.path = data['path'] + sys.path
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segment_module = str(segment.get('module', data['default_module']))
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try:
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return None, getattr(__import__(segment_module, fromlist=[segment['name']]), segment['name']), segment_module
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finally:
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sys.path = oldpath
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def get_string(data, segment):
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return data['get_key'](segment, None, 'contents'), None, None
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def get_filler(data, segment):
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return None, None, None
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segment_getters = {
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"function": get_function,
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"string": get_string,
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"filler": get_filler,
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}
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def gen_segment_getter(pl, ext, path, theme_configs, default_module=None):
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data = {
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'default_module': default_module or 'powerline.segments.' + ext,
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'path': path,
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}
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def get_key(segment, module, key, default=None):
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return get_segment_key(segment, theme_configs, key, module, default)
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data['get_key'] = get_key
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def get(segment, side):
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segment_type = segment.get('type', 'function')
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try:
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get_segment_info = segment_getters[segment_type]
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except KeyError:
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raise TypeError('Unknown segment type: {0}'.format(segment_type))
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try:
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contents, contents_func, module = get_segment_info(data, segment)
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except Exception as e:
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pl.exception('Failed to generate segment from {0!r}: {1}', segment, str(e), prefix='segment_generator')
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return None
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if segment_type == 'function':
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highlight_group = [module + '.' + segment['name'], segment['name']]
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else:
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highlight_group = segment.get('highlight_group') or segment.get('name')
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return {
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'name': segment.get('name'),
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'type': segment_type,
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'highlight_group': highlight_group,
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'divider_highlight_group': None,
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'before': get_key(segment, module, 'before', ''),
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'after': get_key(segment, module, 'after', ''),
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'contents_func': contents_func,
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'contents': contents,
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'args': get_key(segment, module, 'args', {}) if segment_type == 'function' else {},
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'priority': segment.get('priority', None),
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'draw_hard_divider': segment.get('draw_hard_divider', True),
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'draw_soft_divider': segment.get('draw_soft_divider', True),
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'draw_inner_divider': segment.get('draw_inner_divider', False),
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'side': side,
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'exclude_modes': segment.get('exclude_modes', []),
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'include_modes': segment.get('include_modes', []),
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'width': segment.get('width'),
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'align': segment.get('align', 'l'),
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'shutdown': getattr(contents_func, 'shutdown', None),
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'startup': getattr(contents_func, 'startup', None),
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'_rendered_raw': '',
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'_rendered_hl': '',
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'_len': 0,
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'_space_left': 0,
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'_space_right': 0,
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}
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return get
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