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1 | from kivy.uix.relativelayout import RelativeLayout | |
2 | from kivy.properties import NumericProperty, ListProperty | |
3 | from kivy.core.window import Window | |
4 | from kivy.clock import Clock | |
5 | ||
6 | import threading | |
7 | import yaml | |
8 | import sys | |
9 | from collections import defaultdict | |
10 | ||
11 | from .music_file import MusicFile | |
12 | from .mixer import Mixer | |
13 | from . import Config, gain, error_print, warn_print | |
14 | from .action import Action | |
15 | ||
16 | class Mapping(RelativeLayout): | |
17 | expected_keys = NumericProperty(0) | |
18 | master_volume = NumericProperty(100) | |
19 | ready_color = ListProperty([1, 165/255, 0, 1]) | |
20 | ||
21 | def __init__(self, **kwargs): | |
22 | if Config.builtin_mixing: | |
23 | self.mixer = Mixer() | |
24 | else: | |
25 | self.mixer = None | |
26 | ||
27 | try: | |
28 | self.key_config, self.open_files = self.parse_config() | |
29 | except Exception as e: | |
30 | error_print("Error while loading configuration: {}".format(e), | |
31 | with_trace=True) | |
32 | sys.exit() | |
33 | ||
34 | super(Mapping, self).__init__(**kwargs) | |
35 | self._keyboard = Window.request_keyboard(self._keyboard_closed, self) | |
36 | self._keyboard.bind(on_key_down=self._on_keyboard_down) | |
37 | self.running = [] | |
38 | self.wait_ids = {} | |
39 | Clock.schedule_interval(self.not_all_keys_ready, 1) | |
40 | ||
41 | @property | |
42 | def master_gain(self): | |
43 | return gain(self.master_volume) | |
44 | ||
45 | def set_master_volume(self, value, delta=False, fade=0): | |
46 | [db_gain, self.master_volume] = gain( | |
47 | value + int(delta) * self.master_volume, | |
48 | self.master_volume) | |
49 | ||
50 | for music in self.open_files.values(): | |
51 | music.set_gain_with_effect(db_gain, fade=fade) | |
52 | ||
53 | def add_wait_id(self, wait_id, action_or_wait): | |
54 | self.wait_ids[wait_id] = action_or_wait | |
55 | ||
56 | def interrupt_wait(self, wait_id): | |
57 | if wait_id in self.wait_ids: | |
58 | action_or_wait = self.wait_ids[wait_id] | |
59 | del(self.wait_ids[wait_id]) | |
60 | if isinstance(action_or_wait, Action): | |
61 | action_or_wait.interrupt() | |
62 | else: | |
63 | action_or_wait.set() | |
64 | ||
65 | def _keyboard_closed(self): | |
66 | self._keyboard.unbind(on_key_down=self._on_keyboard_down) | |
67 | self._keyboard = None | |
68 | ||
69 | def _on_keyboard_down(self, keyboard, keycode, text, modifiers): | |
70 | key = self.find_by_key_code(keycode) | |
71 | if len(modifiers) == 0 and key is not None: | |
72 | threading.Thread(name="MSKeyAction", target=key.run).start() | |
73 | elif 'ctrl' in modifiers and (keycode[0] == 113 or keycode[0] == '99'): | |
74 | self.stop_all_running() | |
75 | for thread in threading.enumerate(): | |
76 | if thread.getName()[0:2] != "MS": | |
77 | continue | |
78 | thread.join() | |
79 | ||
80 | sys.exit() | |
81 | return True | |
82 | ||
83 | def find_by_key_code(self, key_code): | |
84 | if "Key_" + str(key_code[0]) in self.ids: | |
85 | return self.ids["Key_" + str(key_code[0])] | |
86 | return None | |
87 | ||
88 | def not_all_keys_ready(self, dt): | |
89 | for key in self.children: | |
90 | if not type(key).__name__ == "Key": | |
91 | continue | |
92 | if not key.is_loaded_or_failed(): | |
93 | return True | |
94 | self.ready_color = [0, 1, 0, 1] | |
95 | return False | |
96 | ||
97 | def stop_all_running(self): | |
98 | running = self.running | |
99 | self.running = [] | |
100 | for (key, start_time) in running: | |
101 | key.interrupt() | |
102 | ||
103 | def start_running(self, key, start_time): | |
104 | self.running.append((key, start_time)) | |
105 | ||
106 | def keep_running(self, key, start_time): | |
107 | return (key, start_time) in self.running | |
108 | ||
109 | def finished_running(self, key, start_time): | |
110 | if (key, start_time) in self.running: | |
111 | self.running.remove((key, start_time)) | |
112 | ||
113 | def parse_config(self): | |
114 | def update_alias(prop_hash, aliases, key): | |
115 | if isinstance(aliases[key], dict): | |
116 | prop_hash.update(aliases[key], **prop_hash) | |
117 | else: | |
118 | warn_print("Alias {} is not a hash, ignored".format(key)) | |
119 | ||
120 | def include_aliases(prop_hash, aliases): | |
121 | if 'include' not in prop_hash: | |
122 | return | |
123 | ||
124 | included = prop_hash['include'] | |
125 | del(prop_hash['include']) | |
126 | if isinstance(included, str): | |
127 | update_alias(prop_hash, aliases, included) | |
128 | elif isinstance(included, list): | |
129 | for included_ in included: | |
130 | if isinstance(included_, str): | |
131 | update_alias(prop_hash, aliases, included_) | |
132 | else: | |
133 | warn_print("Unkown alias include type, ignored: " | |
134 | "{} in {}".format(included_, included)) | |
135 | else: | |
136 | warn_print("Unkown alias include type, ignored: {}" | |
137 | .format(included)) | |
138 | ||
139 | def check_key_property(key_property, key): | |
140 | if 'description' in key_property: | |
141 | desc = key_property['description'] | |
142 | if not isinstance(desc, list): | |
143 | warn_print("description in key_property '{}' is not " | |
144 | "a list, ignored".format(key)) | |
145 | del(key_property['description']) | |
146 | if 'color' in key_property: | |
147 | color = key_property['color'] | |
148 | if not isinstance(color, list)\ | |
149 | or len(color) != 3\ | |
150 | or not all(isinstance(item, int) for item in color)\ | |
151 | or any(item < 0 or item > 255 for item in color): | |
152 | warn_print("color in key_property '{}' is not " | |
153 | "a list of 3 valid integers, ignored".format(key)) | |
154 | del(key_property['color']) | |
155 | ||
156 | def check_key_properties(config): | |
157 | if 'key_properties' in config: | |
158 | if isinstance(config['key_properties'], dict): | |
159 | return config['key_properties'] | |
160 | else: | |
161 | warn_print("key_properties config is not a hash, ignored") | |
162 | return {} | |
163 | else: | |
164 | return {} | |
165 | ||
166 | def check_mapped_keys(config): | |
167 | if 'keys' in config: | |
168 | if isinstance(config['keys'], dict): | |
169 | return config['keys'] | |
170 | else: | |
171 | warn_print("keys config is not a hash, ignored") | |
172 | return {} | |
173 | else: | |
174 | return {} | |
175 | ||
176 | def check_mapped_key(mapped_keys, key): | |
177 | if not isinstance(mapped_keys[key], list): | |
178 | warn_print("key config '{}' is not an array, ignored" | |
179 | .format(key)) | |
180 | return [] | |
181 | else: | |
182 | return mapped_keys[key] | |
183 | ||
184 | def check_music_property(music_property, filename): | |
185 | if not isinstance(music_property, dict): | |
186 | warn_print("music_property config '{}' is not a hash, ignored" | |
187 | .format(filename)) | |
188 | return {} | |
189 | if 'name' in music_property: | |
190 | music_property['name'] = str(music_property['name']) | |
191 | if 'gain' in music_property: | |
192 | try: | |
193 | music_property['gain'] = float(music_property['gain']) | |
194 | except ValueError as e: | |
195 | del(music_property['gain']) | |
196 | warn_print("gain for music_property '{}' is not " | |
197 | "a float, ignored".format(filename)) | |
198 | return music_property | |
199 | ||
200 | stream = open(Config.yml_file, "r") | |
201 | try: | |
202 | config = yaml.safe_load(stream) | |
203 | except Exception as e: | |
204 | error_print("Error while loading config file: {}".format(e)) | |
205 | sys.exit() | |
206 | stream.close() | |
207 | ||
208 | if not isinstance(config, dict): | |
209 | raise Exception("Top level config is supposed to be a hash") | |
210 | ||
211 | if 'aliases' in config and isinstance(config['aliases'], dict): | |
212 | aliases = config['aliases'] | |
213 | else: | |
214 | aliases = defaultdict(dict) | |
215 | if 'aliases' in config: | |
216 | warn_print("aliases config is not a hash, ignored") | |
217 | ||
218 | music_properties = defaultdict(dict) | |
219 | if 'music_properties' in config and\ | |
220 | isinstance(config['music_properties'], dict): | |
221 | music_properties.update(config['music_properties']) | |
222 | elif 'music_properties' in config: | |
223 | warn_print("music_properties config is not a hash, ignored") | |
224 | ||
225 | seen_files = {} | |
226 | ||
227 | key_properties = defaultdict(lambda: { | |
228 | "actions": [], | |
229 | "properties": {}, | |
230 | "files": [] | |
231 | }) | |
232 | ||
233 | for key in check_key_properties(config): | |
234 | key_prop = config['key_properties'][key] | |
235 | ||
236 | if not isinstance(key_prop, dict): | |
237 | warn_print("key_property '{}' is not a hash, ignored" | |
238 | .format(key)) | |
239 | continue | |
240 | ||
241 | include_aliases(key_prop, aliases) | |
242 | check_key_property(key_prop, key) | |
243 | ||
244 | key_properties[key]["properties"] = key_prop | |
245 | ||
246 | for mapped_key in check_mapped_keys(config): | |
247 | for index, action in enumerate(check_mapped_key( | |
248 | config['keys'], mapped_key)): | |
249 | if not isinstance(action, dict) or\ | |
250 | not len(action) == 1 or\ | |
251 | not isinstance(list(action.values())[0] or {}, dict): | |
252 | warn_print("action number {} of key '{}' is invalid, " | |
253 | "ignored".format(index + 1, mapped_key)) | |
254 | continue | |
255 | ||
256 | action_name = list(action)[0] | |
257 | action_args = {} | |
258 | if action[action_name] is None: | |
259 | action[action_name] = {} | |
260 | ||
261 | include_aliases(action[action_name], aliases) | |
262 | ||
263 | for argument in action[action_name]: | |
264 | if argument == 'file': | |
265 | filename = str(action[action_name]['file']) | |
266 | if filename not in seen_files: | |
267 | music_property = check_music_property( | |
268 | music_properties[filename], | |
269 | filename) | |
270 | ||
271 | seen_files[filename] = MusicFile( | |
272 | filename, self, **music_property) | |
273 | ||
274 | if filename not in key_properties[mapped_key]['files']: | |
275 | key_properties[mapped_key]['files'] \ | |
276 | .append(seen_files[filename]) | |
277 | ||
278 | action_args['music'] = seen_files[filename] | |
279 | else: | |
280 | action_args[argument] = action[action_name][argument] | |
281 | ||
282 | key_properties[mapped_key]['actions'] \ | |
283 | .append([action_name, action_args]) | |
284 | ||
285 | return (key_properties, seen_files) | |
286 | ||
287 |