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Merge pull request #1651 from freqtrade/fix/importerror_strats

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Catch ModuleNotFoundError when importing external code
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Misagh 2019-03-12 16:37:30 +01:00 committed by GitHub
commit 954963b40e
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1 changed files with 5 additions and 1 deletions
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6
freqtrade/resolvers/iresolver.py
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@ -31,7 +31,11 @@ class IResolver(object):
# Generate spec based on absolute path # Generate spec based on absolute path
spec = importlib.util.spec_from_file_location('unknown', str(module_path)) spec = importlib.util.spec_from_file_location('unknown', str(module_path))
module = importlib.util.module_from_spec(spec) module = importlib.util.module_from_spec(spec)
spec.loader.exec_module(module) # type: ignore # importlib does not use typehints try:
spec.loader.exec_module(module) # type: ignore # importlib does not use typehints
except ModuleNotFoundError as err:
# Catch errors in case a specific module is not installed
logger.info(f"Could not import {module_path} due to '{err}'")
valid_objects_gen = ( valid_objects_gen = (
obj for name, obj in inspect.getmembers(module, inspect.isclass) obj for name, obj in inspect.getmembers(module, inspect.isclass)