76 lines
2.4 KiB
Python
76 lines
2.4 KiB
Python
import importlib.util
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import sys
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import os
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import subprocess
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python = sys.executable
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default_command_live = True
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index_url = os.environ.get('INDEX_URL', "")
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def is_installed(package):
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try:
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spec = importlib.util.find_spec(package)
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except ModuleNotFoundError:
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return False
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return spec is not None
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def run_pip(command, desc=None, live=default_command_live):
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index_url_line = f' --index-url {index_url}' if index_url != '' else ''
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return run(f'"{python}" -m pip {command} --prefer-binary{index_url_line}', desc=f"Installing {desc}", errdesc=f"Couldn't install {desc}", live=live)
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def run_pip_noex(command, desc=None, live=default_command_live):
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return run(f'"{python}" -m pip {command} ', desc=f"Installing {desc}", errdesc=f"Couldn't install {desc}", live=live)
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def run_get_python():
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result = subprocess.run([python, "--version"], capture_output=True, text=True, check=True)
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# 输出版本信息
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# print("Python version:", result.stdout.strip())
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return result.stdout.strip()
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def is_module_installed(module_name):
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try:
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# 尝试运行 "python -c 'import module_name'" 命令
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result = subprocess.run(
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[python, "-c", f"import {module_name}"],
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check=True,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE
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)
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# 如果没有抛出异常，说明模块已安装
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return True
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except subprocess.CalledProcessError:
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# 如果抛出异常，说明模块未安装
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return False
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def run(command, desc=None, errdesc=None, custom_env=None, live: bool = default_command_live) -> str:
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if desc is not None:
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print(desc)
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run_kwargs = {
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"args": command,
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"shell": True,
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"env": os.environ if custom_env is None else custom_env,
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"encoding": 'utf8',
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"errors": 'ignore',
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}
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if not live:
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run_kwargs["stdout"] = run_kwargs["stderr"] = subprocess.PIPE
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result = subprocess.run(**run_kwargs)
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if result.returncode != 0:
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error_bits = [
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f"{errdesc or 'Error running command'}.",
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f"Command: {command}",
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f"Error code: {result.returncode}",
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]
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if result.stdout:
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error_bits.append(f"stdout: {result.stdout}")
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if result.stderr:
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error_bits.append(f"stderr: {result.stderr}")
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raise RuntimeError("\n".join(error_bits))
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return (result.stdout or "")
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