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"""音创系列的文件读取功能"""
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# 诸葛亮与八卦阵帮忙修改语法 日期：---2022年1月19日
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# 统计：致命（三级）错误：0个；警告（二级）错误：3个；语法（一级）错误：22个
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from nmcsup.log import log
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from nmcsup.const import notes
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# 从格式文本文件读入一个音轨并存入一个列表
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def ReadFile(fn: str): # -> list
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from nmcsup.trans import note2list
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log('打开' + fn + "并读取音符")
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try:
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nat = open(fn, 'r', encoding='UTF-8').read().split(" ")
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del fn
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except FileNotFoundError:
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log("找不到读取目标文件")
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return False
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Notes = []
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log(str(nat) + "已读取")
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for i in range(int(len(nat) / 2)):
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Notes.append([nat[i * 2], float(nat[i * 2 + 1])])
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Notes = note2list(Notes)
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log('音符数据更新' + str(Notes))
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return [Notes, ]
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# 从midi读入多个音轨，返回多个音轨列表
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def ReadMidi(midfile: str): # -> list
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import mido
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from msctspt.threadOpera import NewThread
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Notes = []
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try:
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mid = mido.MidiFile(midfile)
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except FileNotFoundError:
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log("找不到文件或无法读取文件" + midfile)
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return False
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# 解析
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ks = list(notes.values())
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def loadMidi(track1):
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datas = []
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for i in track1:
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if i.is_meta:
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log('元信息' + str(i))
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pass # 不处理元信息
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elif 'note_on' in str(i):
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msg = str(i).replace("note=", '').replace("time=", '').split(" ")
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log('音符on消息，处理后：' + str(msg))
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if msg[4] == '0':
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datas.append([ks[int(msg[2]) - 20][0], 1.0])
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log('延续时间0tick--：添加音符' + str([ks[int(msg[2]) - 20][0], 1.0]))
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else:
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datas.append([ks[int(msg[2]) - 20][0], float(msg[4]) / 480])
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log('延续时间' + msg[4] + 'tick--：添加音符' + str([ks[int(msg[2]) - 20][0], float(msg[4]) / 480]))
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del msg
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log('音符增加' + str(datas))
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return datas
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for j, track in enumerate(mid.tracks):
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th = NewThread(loadMidi, (track,))
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th.start()
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Notes.append(th.getResult())
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del ks
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return Notes
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def ReadOldProject(fn: str): # -> list
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import json
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from nmcsup.trans import note2list
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log("读取文件：" + fn)
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try:
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with open(fn, 'r', encoding='UTF-8') as c:
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dataset = json.load(c)
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except FileNotFoundError:
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print('找不到文件：' + fn + "，请查看您是否输入正确")
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log("丢失" + fn)
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return False
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for i in range(len(dataset['musics'])):
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dataset['musics'][i]['notes'] = note2list(dataset['musics'][i]['notes'])
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# 返回 音轨列表 选择器
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return dataset
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"""音创系列的文件读取功能"""
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# 诸葛亮与八卦阵帮忙修改语法 日期：---2022年1月19日
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# 统计：致命（三级）错误：0个；警告（二级）错误：3个；语法（一级）错误：22个
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from nmcsup.log import log
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from nmcsup.const import notes
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import pickle
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# 从格式文本文件读入一个音轨并存入一个列表
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def ReadFile(fn: str): # -> list
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from nmcsup.trans import note2list
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log('打开' + fn + "并读取音符")
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try:
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nat = open(fn, 'r', encoding='UTF-8').read().split(" ")
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del fn
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except FileNotFoundError:
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log("找不到读取目标文件")
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return False
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Notes = []
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log(str(nat) + "已读取")
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for i in range(int(len(nat) / 2)):
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Notes.append([nat[i * 2], float(nat[i * 2 + 1])])
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Notes = note2list(Notes)
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log('音符数据更新' + str(Notes))
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return [Notes, ]
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# 从midi读入多个音轨，返回多个音轨列表
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def ReadMidi(midfile: str): # -> list
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import mido
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from msctspt.threadOpera import NewThread
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Notes = []
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try:
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mid = mido.MidiFile(midfile)
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except FileNotFoundError:
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log("找不到文件或无法读取文件" + midfile)
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return False
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# 解析
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ks = list(notes.values())
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def loadMidi(track1):
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datas = []
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for i in track1:
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if i.is_meta:
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log('元信息' + str(i))
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pass # 不处理元信息
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elif 'note_on' in str(i):
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msg = str(i).replace("note=", '').replace("time=", '').split(" ")
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log('音符on消息，处理后：' + str(msg))
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if msg[4] == '0':
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datas.append([ks[int(msg[2]) - 20][0], 1.0])
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log('延续时间0tick--：添加音符' + str([ks[int(msg[2]) - 20][0], 1.0]))
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else:
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datas.append([ks[int(msg[2]) - 20][0], float(msg[4]) / 480])
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log('延续时间' + msg[4] + 'tick--：添加音符' + str([ks[int(msg[2]) - 20][0], float(msg[4]) / 480]))
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del msg
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log('音符增加' + str(datas))
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return datas
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for j, track in enumerate(mid.tracks):
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th = NewThread(loadMidi, (track,))
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th.start()
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Notes.append(th.getResult())
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del ks
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return Notes
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class Note:
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def __init__(self, channel, pitch, velocity, time, time_position, instrument):
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self.channel = channel
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self.pitch = pitch
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self.velocity = velocity
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self.delay = time
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self.time_position = time_position
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self.instrument = instrument
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self.CD = "d"
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def get_CD(self, start, end):
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if end - start > 1.00:
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self.CD = "c"
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else:
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self.CD = "d"
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def midi_conversion(midfile: str):
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import mido
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# from msctspt.threadOpera import NewThread
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from bgArrayLib.bpm import get
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def Time(mt, tpb_a, bpm_a):
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return round(mt / tpb_a / bpm_a * 60 * 20)
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Notes = []
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tracks = []
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note_list = []
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close = []
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on = []
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off = []
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instruments = []
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isPercussion = False
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try:
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mid = mido.MidiFile(midfile)
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except FileNotFoundError:
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log("找不到文件或无法读取文件" + midfile)
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return False
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tpb = mid.ticks_per_beat
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bpm = get(midfile)
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# 解析
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# def loadMidi(track1):
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for track in mid.tracks:
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overallTime = 0.0
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instrument = 0
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for i in track:
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overallTime += i.time
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try:
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if i.channel != 9:
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# try:
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# log("event_type(事件): " + str(i.type) + " channel(音轨): " + str(i.channel) + " note/pitch(音高): " +
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# str(i[2]) +
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# " velocity(力度): " + str(i.velocity) + " time(间隔时间): " + str(i.time) +
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# " overallTime/globalTime/timePosition: " + str(overallTime) + " \n")
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# except AttributeError:
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# log("event_type(事件): " + str(i.type) + " thing(内容)：" + str(i) + " \n")
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if 'program_change' in str(i):
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instrument = i.program
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if instrument > 119: # 音色不够
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pass
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else:
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instruments.append(i.program)
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if 'note_on' in str(i) and i.velocity > 0:
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print(i)
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# print(i.note)
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# print([Note(i.channel, i.note, i.velocity, i.time, Time(overallTime, tpb, bpm), instrument)])
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tracks.append([Note(i.channel, i.note, i.velocity, i.time, Time(overallTime, tpb, bpm), instrument)])
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note_list.append([i.channel, i.note, i.velocity, i.time, Time(overallTime, tpb, bpm), instrument])
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on.append([i.note, Time(overallTime, tpb, bpm)])
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# return [Note(i.channel, i, i.velocity, i.time, Time(overallTime, tpb, bpm))]
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if 'note_off' in str(i) or 'note_on' in str(i) and i.velocity == 0:
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# print(i)
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# print([Note(i.channel, i.note, i.velocity, i.time, Time(overallTime, tpb, bpm))])
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close.append([Note(i.channel, i.note, i.velocity, i.time, Time(overallTime, tpb, bpm), instrument)])
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off.append([i.note, Time(overallTime, tpb, bpm)])
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# return [Note(i.channel, i, i.velocity, i.time, Time(overallTime, tpb, bpm))]
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except AttributeError:
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pass
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if 'note_on' in str(i) and i.channel == 9:
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if 'note_on' in str(i) and i.velocity > 0:
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print(i)
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# print(i.note)
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# print([Note(i.channel, i.note, i.velocity, i.time, Time(overallTime, tpb, bpm), -1)])
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tracks.append([Note(i.channel, i.note, i.velocity, i.time, Time(overallTime, tpb, bpm), -1)])
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note_list.append([i.channel, i.note, i.velocity, i.time, Time(overallTime, tpb, bpm), -1])
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on.append([i.note, Time(overallTime, tpb, bpm)])
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isPercussion = True
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# return [Note(i.channel, i, i.velocity, i.time, Time(overallTime, tpb, bpm))]
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Notes.append(tracks)
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if instruments is []:
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instruments.append(0)
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instruments = list(set(instruments))
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with open("1.pkl", 'wb') as b:
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pickle.dump([instruments, isPercussion], b)
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# for j, track in enumerate(mid.tracks):
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# th = NewThread(loadMidi, (track,))
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# th.start()
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# Notes.append(th.getResult())
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# print(Notes)
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print(Notes.__len__())
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# print(note_list)
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print(instruments)
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return Notes
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# return [Notes, note_list]
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def ReadOldProject(fn: str): # -> list
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import json
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from nmcsup.trans import note2list
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log("读取文件：" + fn)
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try:
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with open(fn, 'r', encoding='UTF-8') as c:
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dataset = json.load(c)
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except FileNotFoundError:
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print('找不到文件：' + fn + "，请查看您是否输入正确")
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log("丢失" + fn)
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return False
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for i in range(len(dataset['musics'])):
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dataset['musics'][i]['notes'] = note2list(dataset['musics'][i]['notes'])
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# 返回 音轨列表 选择器
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return dataset
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if __name__ == '__main__':
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# a = midi_conversion("L:\\0WorldMusicCreater-MFMS new edition\\框架\\v0.3.2\\Musicreater\\测试用\\同道殊途标准.mid")
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# midi_conversion("L:\\0WorldMusicCreater-MFMS new edition\\框架\\v0.3.2\\Musicreater\\测试用\\"
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# "Illusionary_Daytime_--------幻昼.mid")
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# a = midi_conversion(r"C:\Users\lc\Documents\MuseScore3\乐谱\架子鼓.mid")
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a = midi_conversion(r"C:\Users\lc\Documents\MuseScore3\乐谱\stay2.mid")
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# print(a)
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