120 lines
3.2 KiB
Python
120 lines
3.2 KiB
Python
# Copyright (C) 2024 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import subprocess
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import os
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import shutil
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import argparse
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import sys
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import pathlib
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import shlex
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def execute(cmd,
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cwd=None,
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capture_output=True,
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stdin=None,
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env=None,
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raise_errors=False):
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in_env = os.environ.copy()
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in_env.update(env if env else {})
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home = os.environ['HOME']
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if f'{home}/bin' not in in_env['PATH']:
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in_env['PATH'] = in_env['PATH'] + f':{home}/bin'
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stdout = subprocess.PIPE if capture_output else sys.stdout
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stderr = subprocess.PIPE if capture_output else sys.stdout
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output = ''
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err_output = ''
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return_code = -1
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kwargs = {
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'cwd': cwd,
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'env': in_env,
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'stdout': stdout,
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'stderr': stderr,
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'stdin': stdin,
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'universal_newlines': True
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}
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if capture_output:
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process = subprocess.Popen(shlex.split(cmd), **kwargs)
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output, err_output = process.communicate()
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return_code = process.returncode
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else:
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return_code = subprocess.call(shlex.split(cmd), **kwargs)
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if return_code:
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# Error
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if raise_errors:
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raise subprocess.CalledProcessError(return_code, cmd)
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if output:
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if type(output) != str:
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try:
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output = output.decode('utf-8').strip()
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except UnicodeDecodeError as e:
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print('cannot decode ', output, file=sys.stderr)
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return return_code, (output if return_code == 0 else err_output)
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class ArgParseImpl(argparse.ArgumentParser):
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def error(self, message):
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sys.stderr.write('error: %s\n' % message)
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self.print_help()
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sys.exit(1)
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PROMPT_YES = 'y'
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PROMPT_NO = 'n'
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PROMPT_YES_NO = f'{PROMPT_YES}{PROMPT_NO}'
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class GetCh:
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def __init__(self):
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pass
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def __call__(self):
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import sys, tty, termios
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fd = sys.stdin.fileno()
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old_settings = termios.tcgetattr(fd)
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try:
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tty.setraw(sys.stdin.fileno())
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ch = sys.stdin.read(1)
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finally:
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termios.tcsetattr(fd, termios.TCSADRAIN, old_settings)
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return ch
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getch = GetCh()
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def prompt_helper(prompt_str, keys=PROMPT_YES_NO):
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while True:
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print(f'{prompt_str}: [' + ', '.join(keys) + '] => ', end='', flush=True)
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val = getch()
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print(val)
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if val in keys or ord(val) == 3: # If user pressed Ctrl+c
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if ord(val) == 3:
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exit(1)
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return val
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def mkdir_p(path_str):
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pathlib.Path(path_str).mkdir(parents=True, exist_ok=True)
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def mv_f(src_str, dst_str):
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shutil.move(src_str, dst_str)
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def important_print(msg):
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lines = msg.split('\n')
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max_len = max([len(l) for l in lines])
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print('-' * (max_len + 8))
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for line in lines:
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diff = max_len - len(line)
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information = f'--- {line} ' + (' ' * diff) + '---'
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print(information)
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print('-' * (max_len + 8))
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