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Treat empty CSV cells as unbound SPARQL values #2

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Treat empty CSV cells as unbound SPARQL values #2

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7 changes: 6 additions & 1 deletion pytarql/pytarql.py
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Original file line number Diff line number Diff line change
Expand Up @@ -119,7 +119,12 @@ def bindings(self):
for row in self._reader:
if self._cached_headers is None:
self._cached_headers = self.var_mapping(row)
yield dict((self._cached_headers[k], rdflib.Literal(row[k])) for k in row)
yield dict((self._cached_headers[k], rdflib.Literal(row[k])) for k in row if self.is_bound(row[k]))

@staticmethod
def is_bound(value):
"""Checks whether a value taken from a CSV cell is considered an unbound SPARQL value"""
return not re.match(r"^\s*$", value)

@staticmethod
def parse_args(arguments):
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