492 lines
13 KiB
Python
492 lines
13 KiB
Python
#!/usr/bin/env python
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# vim:fileencoding=utf-8
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# License: GPL v3 Copyright: 2016, Kovid Goyal <kovid at kovidgoyal.net>
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import ast
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import json
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import os
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import re
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import shlex
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import sys
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import tempfile
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from collections import namedtuple
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from contextlib import contextmanager
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from . import fast_data_types as defines
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from .config_utils import (
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init_config, parse_config_base, positive_float, positive_int, to_bool,
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to_color, unit_float
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)
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from .constants import cache_dir, defconf
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from .fast_data_types import CURSOR_BEAM, CURSOR_BLOCK, CURSOR_UNDERLINE
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from .layout import all_layouts
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from .utils import log_error
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MINIMUM_FONT_SIZE = 4
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def to_font_size(x):
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return max(MINIMUM_FONT_SIZE, float(x))
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cshapes = {
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'block': CURSOR_BLOCK,
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'beam': CURSOR_BEAM,
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'underline': CURSOR_UNDERLINE
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}
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def to_cursor_shape(x):
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try:
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return cshapes[x.lower()]
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except KeyError:
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raise ValueError(
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'Invalid cursor shape: {} allowed values are {}'.format(
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x, ', '.join(cshapes)
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)
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)
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def parse_mods(parts):
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def map_mod(m):
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return {'CTRL': 'CONTROL', 'CMD': 'SUPER', 'OPTION': 'ALT'}.get(m, m)
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mods = 0
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for m in parts:
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try:
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mods |= getattr(defines, 'GLFW_MOD_' + map_mod(m.upper()))
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except AttributeError:
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log_error('Shortcut: {} has unknown modifier, ignoring'.format(
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parts.join('+')))
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return
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return mods
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named_keys = {
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"'": 'APOSTROPHE',
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',': 'COMMA',
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'-': 'MINUS',
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'.': 'PERIOD',
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'/': 'SLASH',
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';': 'SEMICOLON',
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'=': 'EQUAL',
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'[': 'LEFT_BRACKET',
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']': 'RIGHT_BRACKET',
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'`': 'GRAVE_ACCENT'
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}
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def parse_shortcut(sc):
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parts = sc.split('+')
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mods = parse_mods(parts[:-1])
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key = parts[-1].upper()
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key = getattr(defines, 'GLFW_KEY_' + named_keys.get(key, key), None)
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if key is not None:
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return mods, key
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return None, None
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KeyAction = namedtuple('KeyAction', 'func args')
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shlex_actions = {
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'pass_selection_to_program', 'new_window', 'new_tab', 'new_os_window',
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'new_window_with_cwd', 'new_tab_with_cwd', 'new_os_window_with_cwd'
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}
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def parse_key_action(action):
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parts = action.split(' ', 1)
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func = parts[0]
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if len(parts) == 1:
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return KeyAction(func, ())
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rest = parts[1]
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if func == 'combine':
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sep, rest = rest.split(' ', 1)
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parts = re.split(r'\s*' + re.escape(sep) + r'\s*', rest)
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args = tuple(map(parse_key_action, filter(None, parts)))
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elif func == 'send_text':
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args = rest.split(' ', 1)
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elif func == 'run_simple_kitten':
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args = rest.split(' ', 2)
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elif func == 'goto_tab':
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args = (max(0, int(rest)), )
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elif func == 'goto_layout':
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args = [rest]
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elif func in shlex_actions:
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args = shlex.split(rest)
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return KeyAction(func, args)
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def parse_key(val, keymap):
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sc, action = val.partition(' ')[::2]
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sc, action = sc.strip(), action.strip()
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if not sc or not action:
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return
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mods, key = parse_shortcut(sc)
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if key is None:
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log_error('Shortcut: {} has unknown key, ignoring'.format(
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val))
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return
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try:
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paction = parse_key_action(action)
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except Exception:
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log_error('Invalid shortcut action: {}. Ignoring.'.format(
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action))
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else:
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if paction is not None:
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keymap[(mods, key)] = paction
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def parse_symbol_map(val):
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parts = val.split(' ')
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symbol_map = {}
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def abort():
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log_error('Symbol map: {} is invalid, ignoring'.format(
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val))
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return {}
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if len(parts) < 2:
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return abort()
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family = ' '.join(parts[1:])
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def to_chr(x):
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if not x.startswith('U+'):
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raise ValueError()
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x = int(x[2:], 16)
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return x
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for x in parts[0].split(','):
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a, b = x.partition('-')[::2]
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b = b or a
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try:
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a, b = map(to_chr, (a, b))
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except Exception:
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return abort()
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if b < a or max(a, b) > sys.maxunicode or min(a, b) < 1:
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return abort()
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symbol_map[(a, b)] = family
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return symbol_map
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def parse_send_text_bytes(text):
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return ast.literal_eval("'''" + text.replace("'''", "'\\''") + "'''"
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).encode('utf-8')
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def parse_send_text(val, keymap):
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parts = val.split(' ')
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def abort(msg):
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log_error('Send text: {} is invalid ({}), ignoring'.format(
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val, msg))
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return {}
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if len(parts) < 3:
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return abort('Incomplete')
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mode, sc = parts[:2]
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text = ' '.join(parts[2:])
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key_str = '{} send_text {} {}'.format(sc, mode, text)
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return parse_key(key_str, keymap)
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def to_modifiers(val):
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return parse_mods(val.split('+'))
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def to_layout_names(raw):
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parts = [x.strip().lower() for x in raw.split(',')]
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if '*' in parts:
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return sorted(all_layouts)
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for p in parts:
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if p not in all_layouts:
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raise ValueError('The window layout {} is unknown'.format(p))
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return parts
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def adjust_line_height(x):
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if x.endswith('%'):
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return float(x[:-1].strip()) / 100.0
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return int(x)
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def macos_titlebar_color(x):
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x = x.strip('"')
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if x == 'system':
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return
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if x == 'background':
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return True
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return to_color(x)
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def box_drawing_scale(x):
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ans = tuple(float(x.strip()) for x in x.split(','))
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if len(ans) != 4:
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raise ValueError('Invalid box_drawing scale, must have four entries')
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return ans
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def tab_separator(x):
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for q in '\'"':
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if x.startswith(q) and x.endswith(q):
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x = x[1:-1]
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break
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if not x.strip():
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x = ('\xa0' * len(x)) if x else defaults.tab_separator
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return x
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def tab_font_style(x):
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return {
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'bold-italic': (True, True),
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'bold': (True, False),
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'italic': (False, True)
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}.get(x.lower().replace('_', '-'), (False, False))
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def tab_bar_edge(x):
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return {'top': 1, 'bottom': 3}.get(x.lower(), 3)
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def url_style(x):
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return url_style.map.get(x, url_style.map['curly'])
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url_style.map = dict(
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((v, i) for i, v in enumerate('none single double curly'.split()))
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)
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type_map = {
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'allow_remote_control': to_bool,
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'adjust_line_height': adjust_line_height,
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'adjust_column_width': adjust_line_height,
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'scrollback_lines': positive_int,
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'scrollback_pager': shlex.split,
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'font_size': to_font_size,
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'font_size_delta': positive_float,
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'focus_follows_mouse': to_bool,
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'cursor_shape': to_cursor_shape,
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'open_url_modifiers': to_modifiers,
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'rectangle_select_modifiers': to_modifiers,
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'repaint_delay': positive_int,
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'input_delay': positive_int,
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'sync_to_monitor': to_bool,
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'window_border_width': positive_float,
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'window_margin_width': positive_float,
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'window_padding_width': positive_float,
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'wheel_scroll_multiplier': float,
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'visual_bell_duration': positive_float,
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'enable_audio_bell': to_bool,
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'click_interval': positive_float,
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'mouse_hide_wait': positive_float,
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'cursor_blink_interval': positive_float,
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'cursor_stop_blinking_after': positive_float,
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'enabled_layouts': to_layout_names,
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'remember_window_size': to_bool,
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'initial_window_width': positive_int,
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'initial_window_height': positive_int,
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'macos_hide_titlebar': to_bool,
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'macos_option_as_alt': to_bool,
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'macos_titlebar_color': macos_titlebar_color,
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'box_drawing_scale': box_drawing_scale,
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'x11_bell_volume': int,
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'background_opacity': unit_float,
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'tab_separator': tab_separator,
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'active_tab_font_style': tab_font_style,
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'inactive_tab_font_style': tab_font_style,
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'inactive_text_alpha': unit_float,
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'url_style': url_style,
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'copy_on_select': to_bool,
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'tab_bar_edge': tab_bar_edge,
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}
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for name in (
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'foreground background cursor active_border_color inactive_border_color'
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' selection_foreground selection_background url_color'
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).split():
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type_map[name] = to_color
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for i in range(16):
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type_map['color%d' % i] = to_color
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for a in ('active', 'inactive'):
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for b in ('foreground', 'background'):
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type_map['%s_tab_%s' % (a, b)] = to_color
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def special_handling(key, val, ans):
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if key == 'map':
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parse_key(val, ans['keymap'])
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return True
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if key == 'symbol_map':
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ans['symbol_map'].update(parse_symbol_map(val))
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return True
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if key == 'send_text':
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# For legacy compatibility
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parse_send_text(val, ans['keymap'])
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return True
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defaults = None
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default_config_path = os.path.join(
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os.path.dirname(os.path.abspath(__file__)), 'kitty.conf'
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)
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def parse_config(lines, check_keys=True):
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ans = {
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'keymap': {},
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'symbol_map': {},
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}
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parse_config_base(
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lines,
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defaults,
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type_map,
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special_handling,
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ans,
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check_keys=check_keys
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)
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return ans
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Options, defaults = init_config(default_config_path, parse_config)
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actions = frozenset(a.func for a in defaults.keymap.values()) | frozenset(
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'combine send_text goto_tab goto_layout new_tab_with_cwd new_window_with_cwd new_os_window_with_cwd'.
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split()
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)
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no_op_actions = frozenset({'noop', 'no-op', 'no_op'})
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def merge_keymaps(defaults, newvals):
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ans = defaults.copy()
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for k, v in newvals.items():
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f = v.func
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if f in no_op_actions:
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ans.pop(k, None)
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continue
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if f in actions:
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ans[k] = v
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return ans
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def merge_dicts(defaults, newvals):
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ans = defaults.copy()
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ans.update(newvals)
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return ans
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def merge_configs(defaults, vals):
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ans = {}
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for k, v in defaults.items():
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if isinstance(v, dict):
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newvals = vals.get(k, {})
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if k == 'keymap':
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ans['keymap'] = merge_keymaps(v, newvals)
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else:
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ans[k] = merge_dicts(v, newvals)
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else:
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ans[k] = vals.get(k, v)
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return ans
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def load_config(*paths, overrides=None) -> Options:
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ans = defaults._asdict()
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for path in paths:
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if not path:
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continue
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try:
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f = open(path, encoding='utf-8', errors='replace')
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except FileNotFoundError:
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continue
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with f:
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vals = parse_config(f)
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ans = merge_configs(ans, vals)
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if overrides is not None:
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vals = parse_config(overrides)
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ans = merge_configs(ans, vals)
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return Options(**ans)
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def build_ansi_color_table(opts: Options = defaults):
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def as_int(x):
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return (x[0] << 16) | (x[1] << 8) | x[2]
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def col(i):
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return as_int(getattr(opts, 'color{}'.format(i)))
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return list(map(col, range(16)))
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def atomic_save(data, path):
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fd, p = tempfile.mkstemp(dir=os.path.dirname(path), suffix='.tmp')
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try:
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with os.fdopen(fd, 'wb') as f:
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f.write(data)
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os.rename(p, path)
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finally:
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try:
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os.remove(p)
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except FileNotFoundError:
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pass
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except Exception as err:
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log_error('Failed to delete temp file {} for atomic save with error: {}'.format(
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p, err))
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@contextmanager
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def cached_values_for(name):
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cached_path = os.path.join(cache_dir(), name + '.json')
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cached_values = {}
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try:
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with open(cached_path, 'rb') as f:
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cached_values.update(json.loads(f.read().decode('utf-8')))
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except FileNotFoundError:
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pass
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except Exception as err:
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log_error('Failed to load cached in {} values with error: {}'.format(
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name, err))
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yield cached_values
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try:
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data = json.dumps(cached_values).encode('utf-8')
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atomic_save(data, cached_path)
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except Exception as err:
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log_error('Failed to save cached values with error: {}'.format(
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err))
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def initial_window_size(opts, cached_values):
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w, h = opts.initial_window_width, opts.initial_window_height
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if 'window-size' in cached_values and opts.remember_window_size:
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ws = cached_values['window-size']
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try:
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w, h = map(int, ws)
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except Exception:
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log_error('Invalid cached window size, ignoring')
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return w, h
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def commented_out_default_config():
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with open(default_config_path, encoding='utf-8', errors='replace') as f:
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config = f.read()
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lines = []
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for line in config.splitlines():
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if line.strip() and not line.startswith('#'):
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line = '# ' + line
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lines.append(line)
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config = '\n'.join(lines)
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return config
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def prepare_config_file_for_editing():
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if not os.path.exists(defconf):
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d = os.path.dirname(defconf)
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try:
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os.makedirs(d)
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except FileExistsError:
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pass
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with open(defconf, 'w') as f:
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f.write(commented_out_default_config())
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return defconf
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