50 lines
1.5 KiB
Python
50 lines
1.5 KiB
Python
"""
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Utility library file for executing shell commands
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"""
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import os
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import subprocess
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import logging
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from i18n.config import BASE_DIR
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LOG = logging.getLogger(__name__)
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def execute(command, working_directory=BASE_DIR, stderr=subprocess.STDOUT):
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"""
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Executes shell command in a given working_directory.
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Command is a string to pass to the shell.
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Output is ignored.
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"""
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LOG.info("Executing in %s ...", working_directory)
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LOG.info(command)
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subprocess.check_call(command, cwd=working_directory, stderr=stderr, shell=True)
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def call(command, working_directory=BASE_DIR):
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"""
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Executes shell command in a given working_directory.
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Command is a list of strings to execute as a command line.
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Returns a tuple of two strings: (stdout, stderr)
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"""
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LOG.info(command)
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p = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, cwd=working_directory, shell=True)
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out, err = p.communicate()
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return (out, err)
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def remove_file(filename, verbose=True):
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"""
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Attempt to delete filename.
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log is boolean. If true, removal is logged.
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Log a warning if file does not exist.
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Logging filenames are releative to BASE_DIR to cut down on noise in output.
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"""
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if verbose:
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LOG.info('Deleting file %s' % os.path.relpath(filename, BASE_DIR))
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if not os.path.exists(filename):
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LOG.warn("File does not exist: %s" % os.path.relpath(filename, BASE_DIR))
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else:
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os.remove(filename)
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