Some new features:

[perso/Immae/Projets/Python/MusicSampler.git] / helpers / __init__.py

diff --git a/helpers/__init__.py b/helpers/__init__.py
index 0e29f5dbde1717b11496460f5b9fd461df526e83..2339b9ba7852318d043abf45373a3a38f089089c 100644 (file)
--- a/helpers/__init__.py
+++ b/helpers/__init__.py
@@ -1,69 +1,70 @@
 # -*- coding: utf-8 -*-
-from .music_file import *
-from .mapping import *
-from .lock import *
-from .font import *
-import yaml
+import argparse
+import sys
+import os
+import math
 
-def parse_config(mapping):
-    stream = open("config.yml", "r")
-    config = yaml.load(stream)
-    stream.close()
+class Config:
+    def __init__(self, **kwargs):
+        for arg in kwargs:
+            setattr(self, arg, kwargs[arg])
 
-    aliases = config['aliases']
-    seen_files = {}
+config = Config(yml_file="config.yml")
 
-    file_lock = Lock("file")
+def path():
+    if getattr(sys, 'frozen', False):
+        return sys._MEIPASS + "/"
+    else:
+        path = os.path.dirname(os.path.realpath(__file__))
+        return path + "/../"
 
-    channel_id = 0
+def parse_args():
+    argv = sys.argv[1:]
+    sys.argv = sys.argv[:1]
+    if "--" in argv:
+        index = argv.index("--")
+        kivy_args = argv[index+1:]
+        argv = argv[:index]
 
-    for mapped_key in config['keys']:
-        key = mapping.find_by_unicode(mapped_key)
-        if key is None:
-            continue
+        sys.argv.extend(kivy_args)
 
-        for action in config['keys'][mapped_key]:
-            action_name = list(action)[0]
-            action_args = {}
-            if action[action_name] is None:
-                action[action_name] = []
+    parser = argparse.ArgumentParser(description="A Music Sampler application.")
+    parser.add_argument("-c", "--config",
+            default="config.yml",
+            required=False,
+            help="Config file to load")
+    parser.add_argument("-V", "--version",
+            action="version",
+            help="Displays the current version and exits. Only use in bundled package",
+            version=show_version())
+    parser.add_argument('--',
+            dest="args",
+            help="Kivy arguments. All arguments after this are interpreted by Kivy. Pass \"-- --help\" to get Kivy's usage.")
+    args = parser.parse_args(argv)
 
-            if 'include' in action[action_name]:
-                included = action[action_name]['include']
-                del(action[action_name]['include'])
+    config.yml_file = args.config
 
-                if isinstance(included, str):
-                    action[action_name].update(aliases[included], **action[action_name])
-                else:
-                    for included_ in included:
-                        action[action_name].update(aliases[included_], **action[action_name])
+def show_version():
+    if getattr(sys, 'frozen', False):
+        with open(path() + ".pyinstaller_commit", "r") as f:
+            return f.read()
+    else:
+        return "option '-v' can only be used in bundled package"
 
-            for argument in action[action_name]:
-                if argument == 'file':
-                    filename = action[action_name]['file']
-                    if filename not in seen_files:
-                        if 'name' in action[action_name]:
-                            seen_files[filename] = MusicFile(filename, file_lock, channel_id, name = action[action_name]['name'])
-                        else:
-                            seen_files[filename] = MusicFile(filename, file_lock, channel_id)
-                        channel_id = channel_id + 1
+def yml_file():
+    return config.yml_file
 
-                    action_args['music'] = seen_files[filename]
+def duration_to_min_sec(duration):
+    minutes = int(duration / 60)
+    seconds = int(duration) % 60
+    if minutes < 100:
+        return "{:2}:{:0>2}".format(minutes, seconds)
+    else:
+        return "{}:{:0>2}".format(minutes, seconds)
 
-                else:
-                    action_args[argument] = action[action_name][argument]
+def gain(volume, old_volume = None):
+    if old_volume is None:
+        return 20 * math.log10(volume / 100)
+    else:
+        return [20 * math.log10(max(volume, 0.1) / max(old_volume, 0.1)), max(volume, 0)]
 
-            key.add_action(action_name, **action_args)
-
-    for key_property in config['key_properties']:
-        key = mapping.find_by_unicode(key_property)
-        if key is None:
-            continue
-
-        if 'description' in config['key_properties'][key_property]:
-            key.set_description(config['key_properties'][key_property]['description'])
-        if 'color' in config['key_properties'][key_property]:
-            key.set_color(config['key_properties'][key_property]['color'])
-
-    # Return the number of channels reserved
-    return (channel_id + 1, seen_files)