]>
git.immae.eu Git - perso/Immae/Projets/Python/MusicSampler.git/blob - mapping.py
a04c2f6ec550021dacc65ec891a4d4e7a5f6f731
1 from kivy
.uix
.relativelayout
import RelativeLayout
2 from kivy
.properties
import NumericProperty
, ListProperty
, StringProperty
3 from kivy
.core
.window
import Window
4 from kivy
.clock
import Clock
9 from collections
import defaultdict
11 from transitions
.extensions
import HierarchicalMachine
as Machine
13 from .music_file
import MusicFile
14 from .mixer
import Mixer
15 from .helpers
import Config
, gain
, error_print
, warn_print
16 from .action
import Action
18 class Mapping(RelativeLayout
):
30 'trigger': 'configure',
36 'source': 'configuring',
41 'source': 'configuring',
47 'source': 'configured',
67 master_volume
= NumericProperty(100)
68 ready_color
= ListProperty([1, 165/255, 0, 1])
69 state
= StringProperty("")
71 def __init__(self
, **kwargs
):
77 Machine(model
=self
, states
=self
.STATES
,
78 transitions
=self
.TRANSITIONS
, initial
='initial',
79 ignore_invalid_triggers
=True, queued
=True)
80 super(Mapping
, self
).__init
__(**kwargs
)
81 self
.keyboard
= Window
.request_keyboard(self
.on_keyboard_closed
, self
)
82 self
.keyboard
.bind(on_key_down
=self
.on_keyboard_down
)
86 def on_enter_configuring(self
):
87 if Config
.builtin_mixing
:
93 self
.key_config
, self
.open_files
= self
.parse_config()
94 except Exception as e
:
95 error_print("Error while loading configuration: {}".format(e
),
96 with_trace
=True, exit
=True)
100 def on_enter_loading(self
):
101 for key
in self
.keys
:
106 def add_widget(self
, widget
, index
=0):
107 if type(widget
).__name
__ == "Key" and widget
not in self
.keys
:
108 self
.keys
.append(widget
)
109 return super(Mapping
, self
).add_widget(widget
, index
)
111 def remove_widget(self
, widget
, index
=0):
112 if type(widget
).__name
__ == "Key" and widget
in self
.keys
:
113 self
.keys
.remove(widget
)
114 return super(Mapping
, self
).remove_widget(widget
, index
)
116 def on_keyboard_closed(self
):
117 self
.keyboard
.unbind(on_key_down
=self
.on_keyboard_down
)
120 def on_keyboard_down(self
, keyboard
, keycode
, text
, modifiers
):
121 key
= self
.find_by_key_code(keycode
)
122 if self
.allowed_modifiers(modifiers
) and key
is not None:
124 threading
.Thread(name
="MSKeyAction", target
=key
.run
,
125 args
=['-'.join(modifiers
)]).start()
126 elif 'ctrl' in modifiers
and (keycode
[0] == 113 or keycode
[0] == '99'):
127 self
.leave_application()
129 elif 'ctrl' in modifiers
and keycode
[0] == 114:
130 threading
.Thread(name
="MSReload", target
=self
.reload).start()
133 def leave_application(self
):
134 self
.keyboard
.unbind(on_key_down
=self
.on_keyboard_down
)
135 self
.stop_all_running()
136 for music
in self
.open_files
.values():
138 for thread
in threading
.enumerate():
139 if thread
.getName()[0:2] == "MS":
141 elif thread
.__class
__ == threading
.Timer
:
146 def allowed_modifiers(self
, modifiers
):
148 return len([a
for a
in modifiers
if a
not in allowed
]) == 0
150 def find_by_key_code(self
, key_code
):
151 if "Key_" + str(key_code
[0]) in self
.ids
:
152 return self
.ids
["Key_" + str(key_code
[0])]
155 def all_keys_ready(self
):
157 for key
in self
.keys
:
158 if not key
.is_loaded_or_failed():
160 partial
= partial
or key
.is_failed()
168 def key_loaded_callback(self
):
169 result
= self
.all_keys_ready()
170 if result
== "success":
171 self
.ready_color
= [0, 1, 0, 1]
172 elif result
== "partial":
173 self
.ready_color
= [1, 0, 0, 1]
175 self
.ready_color
= [1, 165/255, 0, 1]
177 ## Some global actions
178 def stop_all_running(self
, except_key
=None, key_start_time
=0):
179 running
= self
.running
180 self
.running
= [r
for r
in running\
181 if r
[0] == except_key
and r
[1] == key_start_time
]
182 for (key
, start_time
) in running
:
183 if (key
, start_time
) != (except_key
, key_start_time
):
186 # Master volume methods
188 def master_gain(self
):
189 return gain(self
.master_volume
)
191 def set_master_volume(self
, value
, delta
=False, fade
=0):
192 [db_gain
, self
.master_volume
] = gain(
193 value
+ int(delta
) * self
.master_volume
,
196 for music
in self
.open_files
.values():
197 music
.set_gain_with_effect(db_gain
, fade
=fade
)
199 # Wait handler methods
200 def add_wait(self
, action_or_wait
, wait_id
=None):
201 if wait_id
is not None:
202 self
.wait_ids
[wait_id
] = [action_or_wait
]
204 if None not in self
.wait_ids
:
205 self
.wait_ids
[None] = []
206 self
.wait_ids
[None].append(action_or_wait
)
208 def interrupt_wait(self
, wait_id
=None):
210 ids_to_interrupt
= list(self
.wait_ids
.keys())
211 elif wait_id
in self
.wait_ids
:
212 ids_to_interrupt
= [wait_id
]
214 ids_to_interrupt
= []
216 for _wait_id
in ids_to_interrupt
:
217 action_or_waits
= self
.wait_ids
[_wait_id
]
218 del(self
.wait_ids
[_wait_id
])
219 for action_or_wait
in action_or_waits
:
220 if isinstance(action_or_wait
, Action
):
221 action_or_wait
.interrupt()
225 # Methods to control running keys
226 def start_running(self
, key
, start_time
):
227 self
.running
.append((key
, start_time
))
229 def keep_running(self
, key
, start_time
):
230 return (key
, start_time
) in self
.running
232 def finished_running(self
, key
, start_time
):
233 if (key
, start_time
) in self
.running
:
234 self
.running
.remove((key
, start_time
))
237 def parse_config(self
):
238 def update_alias(prop_hash
, aliases
, key
):
239 if isinstance(aliases
[key
], dict):
240 for alias
in aliases
[key
]:
241 prop_hash
.setdefault(alias
, aliases
[key
][alias
])
243 warn_print("Alias {} is not a hash, ignored".format(key
))
245 def include_aliases(prop_hash
, aliases
):
246 if 'include' not in prop_hash
:
249 included
= prop_hash
['include']
250 del(prop_hash
['include'])
251 if isinstance(included
, str):
252 update_alias(prop_hash
, aliases
, included
)
253 elif isinstance(included
, list):
254 for included_
in included
:
255 if isinstance(included_
, str):
256 update_alias(prop_hash
, aliases
, included_
)
258 warn_print("Unkown alias include type, ignored: "
259 "{} in {}".format(included_
, included
))
261 warn_print("Unkown alias include type, ignored: {}"
264 def check_key_property(key_property
, key
):
265 if 'description' in key_property
:
266 desc
= key_property
['description']
267 if not isinstance(desc
, list):
268 warn_print("description in key_property '{}' is not "
269 "a list, ignored".format(key
))
270 del(key_property
['description'])
271 if 'color' in key_property
:
272 color
= key_property
['color']
273 if not isinstance(color
, list)\
275 or not all(isinstance(item
, int) for item
in color
)\
276 or any(item
< 0 or item
> 255 for item
in color
):
277 warn_print("color in key_property '{}' is not "
278 "a list of 3 valid integers, ignored".format(key
))
279 del(key_property
['color'])
281 def check_key_properties(config
):
282 if 'key_properties' in config
:
283 if isinstance(config
['key_properties'], dict):
284 return config
['key_properties']
286 warn_print("key_properties config is not a hash, ignored")
291 def check_mapped_keys(config
):
293 if isinstance(config
['keys'], dict):
294 return config
['keys']
296 warn_print("keys config is not a hash, ignored")
301 def check_mapped_key(mapped_keys
, key
):
302 if not isinstance(mapped_keys
[key
], list):
303 warn_print("key config '{}' is not an array, ignored"
307 return mapped_keys
[key
]
309 def check_music_property(music_property
, filename
):
310 if not isinstance(music_property
, dict):
311 warn_print("music_property config '{}' is not a hash, ignored"
314 if 'name' in music_property
:
315 music_property
['name'] = str(music_property
['name'])
316 if 'gain' in music_property
:
318 music_property
['gain'] = float(music_property
['gain'])
319 except ValueError as e
:
320 del(music_property
['gain'])
321 warn_print("gain for music_property '{}' is not "
322 "a float, ignored".format(filename
))
323 return music_property
325 stream
= open(Config
.yml_file
, "r")
327 config
= yaml
.safe_load(stream
)
328 except Exception as e
:
329 error_print("Error while loading config file: {}".format(e
),
333 if not isinstance(config
, dict):
334 error_print("Top level config is supposed to be a hash",
337 if 'aliases' in config
and isinstance(config
['aliases'], dict):
338 aliases
= config
['aliases']
340 aliases
= defaultdict(dict)
341 if 'aliases' in config
:
342 warn_print("aliases config is not a hash, ignored")
344 music_properties
= defaultdict(dict)
345 if 'music_properties' in config
and\
346 isinstance(config
['music_properties'], dict):
347 music_properties
.update(config
['music_properties'])
348 elif 'music_properties' in config
:
349 warn_print("music_properties config is not a hash, ignored")
353 common_key_properties
= {}
354 if 'common' in config
['key_properties'] and\
355 isinstance(config
['key_properties'], dict):
356 common_key_properties
= config
['key_properties']['common']
357 include_aliases(common_key_properties
, aliases
)
358 elif 'common' in config
['key_properties']:
359 warn_print("'common' key in key_properties is not a hash, ignored")
361 key_properties
= defaultdict(lambda: {
367 for key
in check_key_properties(config
):
371 key_prop
= config
['key_properties'][key
]
373 if not isinstance(key_prop
, dict):
374 warn_print("key_property '{}' is not a hash, ignored"
378 include_aliases(key_prop
, aliases
)
379 for _key
in common_key_properties
:
380 key_prop
.setdefault(_key
, common_key_properties
[_key
])
382 check_key_property(key_prop
, key
)
384 key_properties
[key
]["properties"] = key_prop
386 for mapped_key
in check_mapped_keys(config
):
387 for index
, action
in enumerate(check_mapped_key(
388 config
['keys'], mapped_key
)):
389 if not isinstance(action
, dict) or\
390 not len(action
) == 1 or\
391 not isinstance(list(action
.values())[0] or {}, dict):
392 warn_print("action number {} of key '{}' is invalid, "
393 "ignored".format(index
+ 1, mapped_key
))
396 action_name
= list(action
)[0]
398 if action
[action_name
] is None:
399 action
[action_name
] = {}
401 include_aliases(action
[action_name
], aliases
)
403 for argument
in action
[action_name
]:
404 if argument
== 'file':
405 filename
= str(action
[action_name
]['file'])
406 if filename
not in seen_files
:
407 music_property
= check_music_property(
408 music_properties
[filename
],
411 if filename
in self
.open_files
:
412 self
.open_files
[filename
]\
413 .reload_properties(**music_property
)
415 seen_files
[filename
] =\
416 self
.open_files
[filename
]
418 seen_files
[filename
] = MusicFile(
419 filename
, self
, **music_property
)
421 if filename
not in key_properties
[mapped_key
]['files']:
422 key_properties
[mapped_key
]['files'] \
423 .append(seen_files
[filename
])
425 action_args
['music'] = seen_files
[filename
]
427 action_args
[argument
] = action
[action_name
][argument
]
429 key_properties
[mapped_key
]['actions'] \
430 .append([action_name
, action_args
])
432 return (key_properties
, seen_files
)