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86 lines
2.2 KiB
Python
86 lines
2.2 KiB
Python
"""Main entry point for dvc CLI."""
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import errno
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import logging
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from dvc import analytics
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from dvc.cli import parse_args
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from dvc.config import ConfigError
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from dvc.exceptions import DvcParserError
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from dvc.exceptions import NotDvcRepoError
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from dvc.external_repo import clean_repos
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from dvc.logger import FOOTER
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from dvc.remote.pool import close_pools
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# Workaround for CPython bug. See [1] and [2] for more info.
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# [1] https://github.com/aws/aws-cli/blob/1.16.277/awscli/clidriver.py#L55
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# [2] https://bugs.python.org/issue29288
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"".encode("idna")
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logger = logging.getLogger("dvc")
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def main(argv=None):
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"""Run dvc CLI command.
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Args:
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argv: optional list of arguments to parse. sys.argv is used by default.
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Returns:
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int: command's return code.
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"""
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args = None
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cmd = None
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outerLogLevel = logger.level
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try:
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args = parse_args(argv)
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if args.quiet:
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logger.setLevel(logging.CRITICAL)
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elif args.verbose:
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logger.setLevel(logging.DEBUG)
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cmd = args.func(args)
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ret = cmd.run()
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except ConfigError:
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logger.exception("configuration error")
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ret = 251
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except KeyboardInterrupt:
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logger.exception("interrupted by the user")
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ret = 252
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except NotDvcRepoError:
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logger.exception("")
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ret = 253
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except DvcParserError:
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ret = 254
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except Exception as exc: # pylint: disable=broad-except
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if isinstance(exc, OSError) and exc.errno == errno.EMFILE:
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logger.exception(
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"too many open files, please increase your `ulimit`"
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)
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else:
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logger.exception("unexpected error")
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ret = 255
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finally:
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logger.setLevel(outerLogLevel)
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# Python 2 fails to close these clean occasionally and users see
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# weird error messages, so we do it manually
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close_pools()
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# Remove cached repos in the end of the call, these are anonymous
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# so won't be reused by any other subsequent run anyway.
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clean_repos()
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if ret != 0:
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logger.info(FOOTER)
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if analytics.is_enabled():
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analytics.collect_and_send_report(args, ret)
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return ret
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