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import os
from contextlib import contextmanager
from subprocess import run
def sh(prog, *args):
""" Execute a program with arguments
:param prog: str: path to program
:param args: tuple: variadic arguments
Accepts any combination of strings passed as arguments
:returns: subprocess.CompletedProcess
"""
command = [prog]
tmp = []
for arg in args:
tmp += arg.split()
command += tmp
print(f'Running: {" ".join(command)}')
return run(command, capture_output=True)
def git(*args):
""" Execute git commands
:param args: tuple: variadic arguments to pass to git
:returns: subprocess.CompletedProcess
"""
return sh('git', *args)
def getenv(s):
""" Convert string of key pairs to dictionary format
:param s: str: key pairs separated by newlines
:returns: dict: converted key pairs
"""
results = []
for x in s.splitlines():
if not x:
continue
pair = x.split('=', 1)
if len(pair) < 2:
pair.append('')
results.append(pair)
return dict(results)
@contextmanager
def pushd(path):
""" Equivalent to shell pushd/popd behavior
:param path: str: path to directory
"""
last = os.path.abspath(os.getcwd())
os.chdir(path)
try:
yield
finally:
os.chdir(last)
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