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Null objs #33

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Merged
merged 2 commits into from
Dec 17, 2016
Merged

Null objs #33

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2a37ef7
added test for foo.[*] where foo is null
Oct 2, 2015
02e0e5a
fix for foo.[*] where foo is null
Oct 2, 2015
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4 changes: 2 additions & 2 deletions jsonpath_rw/jsonpath.py
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Original file line number Diff line number Diff line change
Expand Up @@ -430,7 +430,7 @@ class Index(JSONPath):
JSONPath that matches indices of the current datum, or none if not large enough.
Concrete syntax is brackets.

WARNING: If the datum is not long enough, it will not crash but will not match anything.
WARNING: If the datum is None or not long enough, it will not crash but will not match anything.
NOTE: For the concrete syntax of `[*]`, the abstract syntax is a Slice() with no parameters (equiv to `[:]`
"""

Expand All @@ -440,7 +440,7 @@ def __init__(self, index):
def find(self, datum):
datum = DatumInContext.wrap(datum)

if len(datum.value) > self.index:
if datum.value and len(datum.value) > self.index:
return [DatumInContext(datum.value[self.index], path=self, context=datum)]
else:
return []
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3 changes: 2 additions & 1 deletion tests/test_jsonpath.py
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Expand Up @@ -130,7 +130,8 @@ def test_index_value(self):
self.check_cases([
('[0]', [42], [42]),
('[5]', [42], []),
('[2]', [34, 65, 29, 59], [29])
('[2]', [34, 65, 29, 59], [29]),
('[0]', None, [])
])

def test_slice_value(self):
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