109 lines
3.2 KiB
Python
109 lines
3.2 KiB
Python
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import os
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import multiprocessing
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if os.name != 'nt':
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# https://bugs.python.org/issue41567
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import multiprocessing.popen_spawn_posix # type: ignore
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from pathlib import Path
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from typing import Optional
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# initially all flags are set to None, the on-load call of reset() will set
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# them for their first time.
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STRICT_MODE = None
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FULL_REFRESH = None
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USE_CACHE = None
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WARN_ERROR = None
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TEST_NEW_PARSER = None
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USE_EXPERIMENTAL_PARSER = None
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WRITE_JSON = None
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PARTIAL_PARSE = None
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USE_COLORS = None
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STORE_FAILURES = None
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GREEDY = None
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def env_set_truthy(key: str) -> Optional[str]:
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"""Return the value if it was set to a "truthy" string value, or None
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otherwise.
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"""
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value = os.getenv(key)
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if not value or value.lower() in ('0', 'false', 'f'):
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return None
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return value
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def env_set_path(key: str) -> Optional[Path]:
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value = os.getenv(key)
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if value is None:
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return value
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else:
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return Path(value)
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SINGLE_THREADED_WEBSERVER = env_set_truthy('DBT_SINGLE_THREADED_WEBSERVER')
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SINGLE_THREADED_HANDLER = env_set_truthy('DBT_SINGLE_THREADED_HANDLER')
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MACRO_DEBUGGING = env_set_truthy('DBT_MACRO_DEBUGGING')
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DEFER_MODE = env_set_truthy('DBT_DEFER_TO_STATE')
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ARTIFACT_STATE_PATH = env_set_path('DBT_ARTIFACT_STATE_PATH')
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def _get_context():
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# TODO: change this back to use fork() on linux when we have made that safe
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return multiprocessing.get_context('spawn')
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MP_CONTEXT = _get_context()
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def reset():
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global STRICT_MODE, FULL_REFRESH, USE_CACHE, WARN_ERROR, TEST_NEW_PARSER, \
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USE_EXPERIMENTAL_PARSER, WRITE_JSON, PARTIAL_PARSE, MP_CONTEXT, USE_COLORS, \
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STORE_FAILURES, GREEDY
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STRICT_MODE = False
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FULL_REFRESH = False
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USE_CACHE = True
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WARN_ERROR = False
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TEST_NEW_PARSER = False
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USE_EXPERIMENTAL_PARSER = False
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WRITE_JSON = True
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PARTIAL_PARSE = False
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MP_CONTEXT = _get_context()
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USE_COLORS = True
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STORE_FAILURES = False
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GREEDY = False
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def set_from_args(args):
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global STRICT_MODE, FULL_REFRESH, USE_CACHE, WARN_ERROR, TEST_NEW_PARSER, \
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USE_EXPERIMENTAL_PARSER, WRITE_JSON, PARTIAL_PARSE, MP_CONTEXT, USE_COLORS, \
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STORE_FAILURES, GREEDY
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USE_CACHE = getattr(args, 'use_cache', USE_CACHE)
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FULL_REFRESH = getattr(args, 'full_refresh', FULL_REFRESH)
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STRICT_MODE = getattr(args, 'strict', STRICT_MODE)
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WARN_ERROR = (
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STRICT_MODE or
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getattr(args, 'warn_error', STRICT_MODE or WARN_ERROR)
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)
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TEST_NEW_PARSER = getattr(args, 'test_new_parser', TEST_NEW_PARSER)
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USE_EXPERIMENTAL_PARSER = getattr(args, 'use_experimental_parser', USE_EXPERIMENTAL_PARSER)
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WRITE_JSON = getattr(args, 'write_json', WRITE_JSON)
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PARTIAL_PARSE = getattr(args, 'partial_parse', None)
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MP_CONTEXT = _get_context()
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# The use_colors attribute will always have a value because it is assigned
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# None by default from the add_mutually_exclusive_group function
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use_colors_override = getattr(args, 'use_colors')
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if use_colors_override is not None:
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USE_COLORS = use_colors_override
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STORE_FAILURES = getattr(args, 'store_failures', STORE_FAILURES)
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GREEDY = getattr(args, 'greedy', GREEDY)
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# initialize everything to the defaults on module load
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reset()
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