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Fix memory leak issue. #428

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Fix memory leak issue. #428

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4 changes: 3 additions & 1 deletion cfgrib/messages.py
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Original file line number Diff line number Diff line change
Expand Up @@ -98,8 +98,10 @@ def from_file(cls, file, offset=None, **kwargs):
else:
# MULTI-FIELD is enabled only when accessing additional fields
with multi_enabled(file):
for _ in range(field_in_message + 1):
for i in range(field_in_message + 1):
codes_id = eccodes.codes_grib_new_from_file(file)
if codes_id is not None and i < field_in_message:
eccodes.codes_release(codes_id)

if codes_id is None:
raise EOFError("End of file: %r" % file)
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