R=int
Q=float
E=len
# requires: pydub numpy
from ..  import loader as A,utils
import os
from pydub import AudioSegment as M
import numpy as G,io
class BMod(A.Module):
	'Modulate pitch of voice';strings={'name':'Modulator'}
	async def modulatecmd(W,message):
		A=message;B=await A.get_reply_message()
		if not B or not B.file and'audio'in B.file.mime_type:return await A.edit('<b>Reply to audio!</b>')
		N=io.BytesIO(await B.download_media(bytes));N.seek(0);X=[];H=M.empty();I=M.from_file(N);I=[A for A in I];C=utils.get_args(A);J=0.9,1.1,0.01;O=3
		if E(C)==3:
			try:J=(Q(A)for A in C)
			except:pass
		if E(C)==4:
			try:J=(Q(A)for A in C[0:3]);O=R(C[3])
			except:pass
		P=G.repeat(G.arange(*J),O);S=G.sin(P);D=list(map(lambda x:x[0]*x[-1],zip(P,S)));K=1;await A.edit('<b>Modulating...</b>')
		for (T,L) in enumerate(I):
			U=D[T%E(D)];K+=1
			if K>E(D):K=0;D=D[::-1]
			V=R(L.frame_rate*U);H+=L._spawn(L.raw_data,overrides={'frame_rate':V})
		F=io.BytesIO();F.name='modulator_by_keyzend.ogg';H.export(F,format='ogg',bitrate='64k',codec='libopus');F.seek(0);await A.client.send_file(A.to_id,F,reply_to=B.id,voice_note=True,duration=E(H)/1000);await A.delete()