Update bytebeat_play.py

This commit is contained in:
m5rcel { Marcel }
2025-11-15 21:23:30 +01:00
committed by GitHub
parent 753a4078ad
commit a3978b2530

View File

@@ -1,388 +1,162 @@
#!/usr/bin/env python3
from __future__ import annotations
import ast
import argparse
import math
import sys
import wave
import struct
import subprocess
import tempfile
import os
import platform
import ast,argparse,math,sys,wave,struct,subprocess,tempfile,os,platform
from typing import Callable,Iterator,Tuple,List,Union,TYPE_CHECKING,Any
if TYPE_CHECKING:
import numpy as np
else:
np=Any
try:
import numpy as np
NUMPY_AVAILABLE = True
import numpy as np;_n=True
except ImportError:
np = None
NUMPY_AVAILABLE = False
np=None;_n=False
try:
import sounddevice as sd
SOUNDDEVICE_AVAILABLE = True
import sounddevice as sd;_s=True
except ImportError:
sd = None
SOUNDDEVICE_AVAILABLE = False
sd=None;_s=False
if platform.system().lower()=="windows":
import winsound
os.system("")
class Colors:
RESET = "\033[0m"
BOLD = "\033[1m"
DIM = "\033[2m"
BLACK = "\033[30m"
RED = "\033[91m"
GREEN = "\033[92m"
YELLOW = "\033[93m"
BLUE = "\033[94m"
MAGENTA = "\033[95m"
CYAN = "\033[96m"
WHITE = "\033[97m"
BG_BLACK = "\033[40m"
BG_RED = "\033[41m"
BG_GREEN = "\033[42m"
BG_YELLOW = "\033[43m"
BG_BLUE = "\033[44m"
BG_MAGENTA = "\033[45m"
BG_CYAN = "\033[46m"
BG_WHITE = "\033[47m"
import winsound;os.system("")
_r,_b,_d,_k,_R,_g,_y,_c,_m,_w,_bk,_br,_bg,_by,_bb,_bm,_bc,_bw="\033[0m","\033[1m","\033[2m","\033[30m","\033[91m","\033[92m","\033[93m","\033[96m","\033[95m","\033[97m","\033[40m","\033[41m","\033[42m","\033[43m","\033[44m","\033[45m","\033[46m","\033[47m"
class _C:
R,B,D,K,RED,G,Y,C,M,W=_r,_b,_d,_k,_R,_g,_y,_c,_m,_w
@classmethod
def gradient_bar(cls, progress: float, width: int = 40) -> str:
filled = int(width * progress)
empty = width - filled
bar = f"{cls.CYAN}{'' * filled}{cls.DIM}{'' * empty}{cls.RESET}"
return bar
class BytebeatValidator:
ALLOWED_BINARY_OPS = {
ast.Add, ast.Sub, ast.Mult, ast.Div, ast.FloorDiv,
ast.Mod, ast.LShift, ast.RShift, ast.BitOr,
ast.BitAnd, ast.BitXor, ast.Pow
}
ALLOWED_UNARY_OPS = {
ast.UAdd, ast.USub, ast.Invert, ast.Not
}
def _gb(cls,p:float,w:int=40)->str:
f,e=int(w*p),w-int(w*p);return f"{cls.C}{''*f}{cls.D}{''*e}{cls.R}"
class _V:
_ao={ast.Add,ast.Sub,ast.Mult,ast.Div,ast.FloorDiv,ast.Mod,ast.LShift,ast.RShift,ast.BitOr,ast.BitAnd,ast.BitXor,ast.Pow}
_uo={ast.UAdd,ast.USub,ast.Invert,ast.Not}
@staticmethod
def validate_ast_node(node: ast.AST) -> None:
if isinstance(node, ast.Expression):
BytebeatValidator.validate_ast_node(node.body)
def _v(n:ast.AST)->None:
if isinstance(n,ast.Expression):_V._v(n.body);return
if isinstance(n,ast.BinOp):
if type(n.op)not in _V._ao:raise ValueError(f"Unsupported binary operator: {type(n.op).__name__}")
_V._v(n.left);_V._v(n.right);return
if isinstance(n,ast.UnaryOp):
if type(n.op)not in _V._uo:raise ValueError(f"Unsupported unary operator: {type(n.op).__name__}")
_V._v(n.operand);return
if isinstance(n,ast.Constant):
if not isinstance(n.value,(int,float)):raise ValueError(f"Unsupported constant type: {type(n.value).__name__}")
return
if isinstance(node, ast.BinOp):
if type(node.op) not in BytebeatValidator.ALLOWED_BINARY_OPS:
raise ValueError(f"Unsupported binary operator: {type(node.op).__name__}")
BytebeatValidator.validate_ast_node(node.left)
BytebeatValidator.validate_ast_node(node.right)
if isinstance(n,ast.Name):
if n.id!='t':raise ValueError(f"Only variable 't' is allowed, found: {n.id}")
return
if isinstance(node, ast.UnaryOp):
if type(node.op) not in BytebeatValidator.ALLOWED_UNARY_OPS:
raise ValueError(f"Unsupported unary operator: {type(node.op).__name__}")
BytebeatValidator.validate_ast_node(node.operand)
return
if isinstance(node, ast.Constant):
if not isinstance(node.value, (int, float)):
raise ValueError(f"Unsupported constant type: {type(node.value).__name__}")
return
if isinstance(node, ast.Name):
if node.id != 't':
raise ValueError(f"Only variable 't' is allowed, found: {node.id}")
return
if isinstance(node, (ast.Call, ast.Attribute, ast.Compare, ast.BoolOp, ast.IfExp)):
raise ValueError(f"Unsupported operation: {type(node).__name__}")
if not isinstance(node, (ast.Load,)):
raise ValueError(f"Unsupported node type: {type(node).__name__}")
if isinstance(n,(ast.Call,ast.Attribute,ast.Compare,ast.BoolOp,ast.IfExp)):raise ValueError(f"Unsupported operation: {type(n).__name__}")
if not isinstance(n,(ast.Load,)):raise ValueError(f"Unsupported node type: {type(n).__name__}")
@staticmethod
def compile_expression(expression: str) -> Callable[[int], int]:
expression = expression.replace("/", "//")
parsed = ast.parse(expression, mode='eval')
BytebeatValidator.validate_ast_node(parsed)
compiled_code = compile(parsed, '<bytebeat>', 'eval')
def evaluate(t: int) -> int:
local_vars = {'t': int(t)}
try:
result = eval(compiled_code, {"__builtins__": None, 'math': math}, local_vars)
return int(result)
except Exception:
return 0
return evaluate
class BytebeatGenerator:
def _ce(e:str)->Callable[[int],int]:
e=e.replace("/","//");p=ast.parse(e,mode='eval');_V._v(p);cc=compile(p,'<bytebeat>','eval')
def _ev(t:int)->int:
lv={'t':int(t)}
try:r=eval(cc,{"__builtins__":None,'math':math},lv);return int(r)
except Exception:return 0
return _ev
class _G:
@staticmethod
def generate_chunks(
func: Callable[[int], int],
duration: float = 10.0,
sample_rate: int = 8000,
time_offset: int = 0
) -> Iterator[Tuple[float, Union[Any, List[int]]]]:
chunk_size = sample_rate // 4
total_samples = int(duration * sample_rate)
total_chunks = total_samples // chunk_size
if NUMPY_AVAILABLE:
for chunk_idx in range(total_chunks):
base_time = time_offset + chunk_idx * chunk_size
chunk = np.empty(chunk_size, dtype=np.int16)
for sample_idx in range(chunk_size):
value = func(base_time + sample_idx)
chunk[sample_idx] = np.int16(((int(value) & 0xFF) - 128) * 256)
progress = (chunk_idx + 1) / float(total_chunks)
yield progress, chunk
def _gc(f:Callable[[int],int],d:float=10.0,sr:int=8000,to:int=0)->Iterator[Tuple[float,Union[Any,List[int]]]]:
cs,ts,tc=sr//4,int(d*sr),int(d*sr)//(sr//4)
if _n:
for i in range(tc):
bt=to+i*cs;ch=np.empty(cs,dtype=np.int16)
for j in range(cs):v=f(bt+j);ch[j]=np.int16(((int(v)&0xFF)-128)*256)
yield(i+1)/float(tc),ch
else:
for chunk_idx in range(total_chunks):
base_time = time_offset + chunk_idx * chunk_size
chunk = [((int(func(base_time + j)) & 0xFF) - 128) * 256 for j in range(chunk_size)]
progress = (chunk_idx + 1) / float(total_chunks)
yield progress, chunk
class AudioPlayer:
for i in range(tc):
bt=to+i*cs;ch=[((int(f(bt+j))&0xFF)-128)*256 for j in range(cs)]
yield(i+1)/float(tc),ch
class _P:
@staticmethod
def play_realtime(
func: Callable[[int], int],
duration: float,
sample_rate: int,
time_offset: int
) -> None:
if not SOUNDDEVICE_AVAILABLE or not NUMPY_AVAILABLE:
print(f"{Colors.YELLOW}⚠ sounddevice/numpy not installed — using WAV fallback{Colors.RESET}")
AudioPlayer.play_wav_fallback(func, duration, sample_rate, time_offset)
return
print(f"\n{Colors.BOLD}{Colors.GREEN}▶ Playing live audio... {Colors.DIM}(Press Ctrl+C to stop){Colors.RESET}")
stream = sd.OutputStream(samplerate=sample_rate, channels=1, dtype='float32')
stream.start()
def _pr(f:Callable[[int],int],d:float,sr:int,to:int)->None:
if not _s or not _n:print(f"{_C.Y}⚠ sounddevice/numpy not installed — using WAV fallback{_C.R}");_P._pf(f,d,sr,to);return
print(f"\n{_C.B}{_C.G}▶ Playing live audio... {_C.D}(Press Ctrl+C to stop){_C.R}");st=sd.OutputStream(samplerate=sr,channels=1,dtype='float32');st.start()
try:
for progress, chunk in BytebeatGenerator.generate_chunks(func, duration, sample_rate, time_offset):
bar = Colors.gradient_bar(progress)
percentage = int(progress * 100)
print(f"\r{Colors.CYAN}Progress: {Colors.RESET}[ {bar} {Colors.CYAN}] {percentage}%{Colors.RESET}", end="", flush=True)
stream.write(chunk.astype('float32') / 32768.0)
except KeyboardInterrupt:
print(f"\n\n{Colors.YELLOW}⏹ Playback interrupted by user{Colors.RESET}")
finally:
stream.stop()
stream.close()
print(f"\n{Colors.GREEN}✓ Playback complete{Colors.RESET}\n")
for p,ch in _G._gc(f,d,sr,to):
bar=_C._gb(p);pc=int(p*100);print(f"\r{_C.C}Progress: {_C.R}[ {bar} {_C.C}] {pc}%{_C.R}",end="",flush=True)
st.write(ch.astype('float32')/32768.0)
except KeyboardInterrupt:print(f"\n\n{_C.Y}⏹ Playback interrupted by user{_C.R}")
finally:st.stop();st.close();print(f"\n{_C.G}✓ Playback complete{_C.R}\n")
@staticmethod
def play_wav_fallback(
func: Callable[[int], int],
duration: float,
sample_rate: int,
time_offset: int
) -> None:
print(f"\n{Colors.CYAN}Rendering audio...{Colors.RESET}")
all_samples = []
def _pf(f:Callable[[int],int],d:float,sr:int,to:int)->None:
print(f"\n{_C.C}Rendering audio...{_C.R}");a=[]
try:
for progress, chunk in BytebeatGenerator.generate_chunks(func, duration, sample_rate, time_offset):
all_samples.extend(chunk)
bar = Colors.gradient_bar(progress)
percentage = int(progress * 100)
print(f"\r{Colors.CYAN}Rendering: {Colors.RESET}[ {bar} {Colors.CYAN}] {percentage}%{Colors.RESET}", end="", flush=True)
except KeyboardInterrupt:
print(f"\n\n{Colors.YELLOW}⏹ Rendering interrupted{Colors.RESET}")
print(f"\n{Colors.GREEN}✓ Rendering complete{Colors.RESET}")
AudioPlayer._play_wav_file(all_samples, sample_rate)
for p,ch in _G._gc(f,d,sr,to):
a.extend(ch);bar=_C._gb(p);pc=int(p*100);print(f"\r{_C.C}Rendering: {_C.R}[ {bar} {_C.C}] {pc}%{_C.R}",end="",flush=True)
except KeyboardInterrupt:print(f"\n\n{_C.Y}⏹ Rendering interrupted{_C.R}")
print(f"\n{_C.G}✓ Rendering complete{_C.R}");_P._pw(a,sr)
@staticmethod
def _play_wav_file(samples: Union[Any, List[int]], sample_rate: int) -> None:
with tempfile.NamedTemporaryFile(suffix='.wav', delete=False) as temp_file:
temp_filename = temp_file.name
if isinstance(samples, list):
frames = b''.join(struct.pack('<h', sample) for sample in samples)
def _pw(s:Union[Any,List[int]],sr:int)->None:
with tempfile.NamedTemporaryFile(suffix='.wav',delete=False)as tf:tfn=tf.name
fr=b''.join(struct.pack('<h',x)for x in s)if isinstance(s,list)else s.tobytes()
with wave.open(tfn,'wb')as wf:wf.setnchannels(1);wf.setsampwidth(2);wf.setframerate(sr);wf.writeframes(fr)
print(f"{_C.C}Playing WAV file...{_C.R}");pl=False;sn=platform.system().lower()
if sn=="windows":
try:winsound.PlaySound(tfn,winsound.SND_FILENAME);pl=True
except Exception:pass
elif sn=="darwin":
try:subprocess.run(['afplay',tfn],check=True);pl=True
except Exception:pass
else:
frames = samples.tobytes()
with wave.open(temp_filename, 'wb') as wav_file:
wav_file.setnchannels(1)
wav_file.setsampwidth(2)
wav_file.setframerate(sample_rate)
wav_file.writeframes(frames)
print(f"{Colors.CYAN}Playing WAV file...{Colors.RESET}")
played = False
system_name = platform.system().lower()
if system_name == "windows":
try:
winsound.PlaySound(temp_filename, winsound.SND_FILENAME)
played = True
try:subprocess.run(['aplay',tfn],check=True);pl=True
except Exception:
pass
elif system_name == "darwin":
try:
subprocess.run(['afplay', temp_filename], check=True)
played = True
except Exception:
pass
else:
try:
subprocess.run(['aplay', temp_filename], check=True)
played = True
except Exception:
try:
subprocess.run(['ffplay', '-nodisp', '-autoexit', '-hide_banner', '-loglevel', 'panic', temp_filename], check=True)
played = True
except Exception:
pass
if not played:
print(f"{Colors.YELLOW}⚠ Could not auto-play. WAV file saved to: {temp_filename}{Colors.RESET}")
else:
print(f"{Colors.GREEN}✓ Playback complete{Colors.RESET}\n")
def print_banner() -> None:
try:subprocess.run(['ffplay','-nodisp','-autoexit','-hide_banner','-loglevel','panic',tfn],check=True);pl=True
except Exception:pass
if not pl:print(f"{_C.Y}⚠ Could not auto-play. WAV file saved to: {tfn}{_C.R}")
else:print(f"{_C.G}✓ Playback complete{_C.R}\n")
def _pb()->None:
print(f"""
{Colors.MAGENTA}██████╗ ██╗ ██╗████████╗███████╗██████╗ ███████╗ █████╗ ████████╗
{_C.M}██████╗ ██╗ ██╗████████╗███████╗██████╗ ███████╗ █████╗ ████████╗
██╔══██╗╚██╗ ██╔╝╚══██╔══╝██╔════╝██╔══██╗██╔════╝██╔══██╗╚══██╔══╝
██████╔╝ ╚████╔╝ ██║ █████╗ ██████╔╝█████╗ ███████║ ██║
██╔══██╗ ╚██╔╝ ██║ ██╔══╝ ██╔══██╗██╔══╝ ██╔══██║ ██║
██████╔╝ ██║ ██║ ███████╗██████╔╝███████╗██║ ██║ ██║
╚═════╝ ╚═╝ ╚═╝ ╚══════╝╚═════╝ ╚══════╝╚═╝ ╚═╝ ╚═╝
{Colors.YELLOW} ╔═╗╦ ╔═╗╦ ╦╔═╗╦═╗
{_C.Y} ╔═╗╦ ╔═╗╦ ╦╔═╗╦═╗
╠═╝║ ╠═╣╚╦╝║╣ ╠╦╝
╩ ╩═╝╩ ╩ ╩ ╚═╝╩╚═{Colors.RESET}
╩ ╩═╝╩ ╩ ╩ ╚═╝╩╚═{_C.R}
""")
def print_info(expression: str, sample_rate: int, duration: float, time_offset: int) -> None:
print(f"\n{Colors.BOLD}{Colors.YELLOW}Configuration:{Colors.RESET}")
print(f" {Colors.BOLD}Expression:{Colors.RESET} {Colors.GREEN}{expression}{Colors.RESET}")
print(f" {Colors.BOLD}Sample Rate:{Colors.RESET} {Colors.MAGENTA}{sample_rate}{Colors.RESET} Hz")
print(f" {Colors.BOLD}Duration:{Colors.RESET} {Colors.MAGENTA}{duration:.1f}{Colors.RESET} seconds")
print(f" {Colors.BOLD}Time Offset:{Colors.RESET} {Colors.MAGENTA}{time_offset}{Colors.RESET}")
status_np = f"{Colors.GREEN}{Colors.RESET}" if NUMPY_AVAILABLE else f"{Colors.RED}{Colors.RESET}"
status_sd = f"{Colors.GREEN}{Colors.RESET}" if SOUNDDEVICE_AVAILABLE else f"{Colors.RED}{Colors.RESET}"
print(f" {Colors.BOLD}Status:{Colors.RESET} NumPy {status_np} Sounddevice {status_sd}")
def print_styled_help():
def _pi(e:str,sr:int,d:float,to:int)->None:
print(f"\n{_C.B}{_C.Y}Configuration:{_C.R}");print(f" {_C.B}Expression:{_C.R} {_C.G}{e}{_C.R}");print(f" {_C.B}Sample Rate:{_C.R} {_C.M}{sr}{_C.R} Hz");print(f" {_C.B}Duration:{_C.R} {_C.M}{d:.1f}{_C.R} seconds");print(f" {_C.B}Time Offset:{_C.R} {_C.M}{to}{_C.R}")
snp=f"{_C.G}{_C.R}"if _n else f"{_C.RED}{_C.R}";ssd=f"{_C.G}{_C.R}"if _s else f"{_C.RED}{_C.R}"
print(f" {_C.B}Status:{_C.R} NumPy {snp} | Sounddevice {ssd}")
def _ph():
print(f"""
{Colors.MAGENTA}{Colors.BOLD}BYTEBEAT PLAYER{Colors.RESET} - 8-bit audio from math
{_C.M}{_C.B}BYTEBEAT PLAYER{_C.R} - 8-bit audio from math
{Colors.BOLD}{Colors.YELLOW}USAGE:{Colors.RESET}
python bytebeat_play.py {Colors.GREEN}<file>{Colors.RESET} [{Colors.CYAN}options{Colors.RESET}]
{_C.B}{_C.Y}USAGE:{_C.R}
python bytebeat_play.py {_C.G}<file>{_C.R} [{_C.C}options{_C.R}]
{Colors.BOLD}{Colors.YELLOW}ARGUMENTS:{Colors.RESET}
{Colors.GREEN}<file>{Colors.RESET} Path to bytebeat expression file
{_C.B}{_C.Y}ARGUMENTS:{_C.R}
{_C.G}<file>{_C.R} Path to bytebeat expression file
{Colors.BOLD}{Colors.YELLOW}OPTIONS:{Colors.RESET}
{Colors.CYAN}--duration{Colors.RESET} {Colors.DIM}<float>{Colors.RESET} Duration in seconds (default: 60.0)
{Colors.CYAN}--sr{Colors.RESET} {Colors.DIM}<int>{Colors.RESET} Sample rate in Hz (default: 8000)
{Colors.CYAN}--tstart{Colors.RESET} {Colors.DIM}<int>{Colors.RESET} Time offset (default: 0)
{Colors.CYAN}-h, --help{Colors.RESET} Show this help message
{_C.B}{_C.Y}OPTIONS:{_C.R}
{_C.C}--duration{_C.R} {_C.D}<float>{_C.R} Duration in seconds (default: 60.0)
{_C.C}--sr{_C.R} {_C.D}<int>{_C.R} Sample rate in Hz (default: 8000)
{_C.C}--tstart{_C.R} {_C.D}<int>{_C.R} Time offset (default: 0)
{_C.C}-h, --help{_C.R} Show this help message
{Colors.BOLD}{Colors.YELLOW}EXAMPLES:{Colors.RESET}
python bytebeat_play.py {Colors.GREEN}song.byteb{Colors.RESET}
python bytebeat_play.py {Colors.GREEN}song.byteb{Colors.RESET} {Colors.CYAN}--duration 30{Colors.RESET}
python bytebeat_play.py {Colors.GREEN}song.byteb{Colors.RESET} {Colors.CYAN}--sr 16000{Colors.RESET}
{_C.B}{_C.Y}EXAMPLES:{_C.R}
python bytebeat_play.py {_C.G}song.byteb{_C.R}
python bytebeat_play.py {_C.G}song.byteb{_C.R} {_C.C}--duration 30{_C.R}
python bytebeat_play.py {_C.G}song.byteb{_C.R} {_C.C}--sr 16000{_C.R}
{Colors.BOLD}{Colors.YELLOW}EXPRESSION EXAMPLE:{Colors.RESET}
{Colors.MAGENTA}t*(t>>8|t>>9)&46&t>>8{Colors.RESET}
{_C.B}{_C.Y}EXPRESSION EXAMPLE:{_C.R}
{_C.M}t*(t>>8|t>>9)&46&t>>8{_C.R}
""")
def main()->None:
parser = argparse.ArgumentParser(
description="Bytebeat Player",
formatter_class=argparse.RawDescriptionHelpFormatter,
add_help=False
)
parser.add_argument('-h', '--help', action='store_true', help='Show help message')
parser.add_argument('file', nargs='?', help='Path to bytebeat expression file')
parser.add_argument('--duration', type=float, default=60.0, help='Duration in seconds')
parser.add_argument('--sr', type=int, default=8000, help='Sample rate in Hz')
parser.add_argument('--tstart', type=int, default=0, help='Starting time offset')
args = parser.parse_args()
if args.help or not args.file:
print_styled_help()
sys.exit(0)
print_banner()
pr=argparse.ArgumentParser(description="Bytebeat Player",formatter_class=argparse.RawDescriptionHelpFormatter,add_help=False)
pr.add_argument('-h','--help',action='store_true',help='Show help message');pr.add_argument('file',nargs='?',help='Path to bytebeat expression file');pr.add_argument('--duration',type=float,default=60.0,help='Duration in seconds');pr.add_argument('--sr',type=int,default=8000,help='Sample rate in Hz');pr.add_argument('--tstart',type=int,default=0,help='Starting time offset')
a=pr.parse_args()
if a.help or not a.file:_ph();sys.exit(0)
_pb()
try:
with open(args.file, 'r') as file:
expression = file.read().strip()
except FileNotFoundError:
print(f"{Colors.RED}{Colors.BOLD}✗ Error:{Colors.RESET} File not found: {args.file}")
sys.exit(1)
except Exception as e:
print(f"{Colors.RED}{Colors.BOLD}Error reading file:{Colors.RESET} {e}")
sys.exit(1)
if not expression:
print(f"{Colors.RED}{Colors.BOLD}Error:{Colors.RESET} Expression file is empty")
sys.exit(1)
try:
bytebeat_func = BytebeatValidator.compile_expression(expression)
except ValueError as e:
print(f"{Colors.RED}{Colors.BOLD}✗ Invalid expression:{Colors.RESET} {e}")
sys.exit(1)
except SyntaxError as e:
print(f"{Colors.RED}{Colors.BOLD}✗ Syntax error:{Colors.RESET} {e}")
sys.exit(1)
except Exception as e:
print(f"{Colors.RED}{Colors.BOLD}✗ Error compiling expression:{Colors.RESET} {e}")
sys.exit(1)
print_info(expression, args.sr, args.duration, args.tstart)
try:
AudioPlayer.play_realtime(bytebeat_func, args.duration, args.sr, args.tstart)
except Exception as e:
print(f"\n{Colors.RED}{Colors.BOLD}✗ Playback error:{Colors.RESET} {e}")
sys.exit(1)
if __name__ == '__main__':
main()
with open(a.file,'r')as fi:ex=fi.read().strip()
except FileNotFoundError:print(f"{_C.RED}{_C.B}✗ Error:{_C.R} File not found: {a.file}");sys.exit(1)
except Exception as e:print(f"{_C.RED}{_C.B}✗ Error reading file:{_C.R} {e}");sys.exit(1)
if not ex:print(f"{_C.RED}{_C.B}✗ Error:{_C.R} Expression file is empty");sys.exit(1)
try:bf=_V._ce(ex)
except ValueError as e:print(f"{_C.RED}{_C.B}✗ Invalid expression:{_C.R} {e}");sys.exit(1)
except SyntaxError as e:print(f"{_C.RED}{_C.B}Syntax error:{_C.R} {e}");sys.exit(1)
except Exception as e:print(f"{_C.RED}{_C.B}✗ Error compiling expression:{_C.R} {e}");sys.exit(1)
_pi(ex,a.sr,a.duration,a.tstart)
try:_P._pr(bf,a.duration,a.sr,a.tstart)
except Exception as e:print(f"\n{_C.RED}{_C.B}Playback error:{_C.R} {e}");sys.exit(1)
if __name__=='__main__':main()