python/nested-lookup
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Reverted PEP8 correction

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This commit is contained in:
Ramesh RV 2018-09-24 12:23:56 +05:30
parent bb7ab509eb
commit c1ca4c1e1e
2 changed files with 26 additions and 39 deletions
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18
nested_lookup/nested_lookup.py
View file

@ -2,26 +2,20 @@ from six import iteritems
from collections import defaultdict
def nested_lookup(key, document, wild=False, with_keys=False):
"""Lookup a key in a nested document, return a list of values"""
if with_keys:
d = defaultdict(list)
for k, v in _nested_lookup(
key, document, wild=wild, with_keys=with_keys
):
for k, v in _nested_lookup(key, document, wild=wild, with_keys=with_keys):
d[k].append(v)
return d
return list(_nested_lookup(key, document, wild=wild, with_keys=with_keys))
def _nested_lookup(key, document, wild=False, with_keys=False):
"""Lookup a key in a nested document, yield a value"""
if isinstance(document, list):
for d in document:
for result in _nested_lookup(
key, d, wild=wild, with_keys=with_keys
):
for result in _nested_lookup(key, d, wild=wild, with_keys=with_keys):
yield result
if isinstance(document, dict):
@ -32,15 +26,11 @@ def _nested_lookup(key, document, wild=False, with_keys=False):
else:
yield v
elif isinstance(v, dict):
for result in _nested_lookup(
key, v, wild=wild, with_keys=with_keys
):
for result in _nested_lookup(key, v, wild=wild, with_keys=with_keys):
yield result
elif isinstance(v, list):
for d in v:
for result in _nested_lookup(
key, d, wild=wild, with_keys=with_keys
):
for result in _nested_lookup(key, d, wild=wild, with_keys=with_keys):
yield result

47
test_nested_loopkup.py
View file

@ -6,14 +6,14 @@ from nested_lookup import nested_lookup, get_all_keys
class TestNestedLookup(TestCase):
def setUp(self):
self.subject_dict = {'a': 1, 'b': {'d': 100}, 'c': {'d': 200}}
self.subject_dict = {'a':1,'b':{'d':100},'c':{'d':200}}
self.subject_dict2 = {
'name': 'Russell Ballestrini',
'email_address': 'test1@example.com',
'other': {
'secondary_email': 'test2@example.com',
'EMAIL_RECOVERY': 'test3@example.com',
'email_address': 'test4@example.com',
'name' : 'Russell Ballestrini',
'email_address' : 'test1@example.com',
'other' : {
'secondary_email' : 'test2@example.com',
'EMAIL_RECOVERY' : 'test3@example.com',
'email_address' : 'test4@example.com',
},
}
@ -22,34 +22,34 @@ class TestNestedLookup(TestCase):
self.assertEqual(2, len(results))
self.assertIn(100, results)
self.assertIn(200, results)
self.assertSetEqual({100, 200}, set(results))
self.assertSetEqual({100,200}, set(results))
def test_nested_lookup_wrapped_in_list(self):
results = nested_lookup('d', [{}, self.subject_dict, {}])
self.assertEqual(2, len(results))
self.assertIn(100, results)
self.assertIn(200, results)
self.assertSetEqual({100, 200}, set(results))
self.assertSetEqual({100,200}, set(results))
def test_nested_lookup_wrapped_in_list_in_dict_in_list(self):
results = nested_lookup('d', [{}, {'H': [self.subject_dict]}])
results = nested_lookup('d', [{}, {'H' : [self.subject_dict]} ])
self.assertEqual(2, len(results))
self.assertIn(100, results)
self.assertIn(200, results)
self.assertSetEqual({100, 200}, set(results))
self.assertSetEqual({100,200}, set(results))
def test_nested_lookup_wrapped_in_list_in_list(self):
results = nested_lookup('d', [{}, [self.subject_dict, {}]])
results = nested_lookup('d', [ {}, [self.subject_dict, {}] ])
self.assertEqual(2, len(results))
self.assertIn(100, results)
self.assertIn(200, results)
self.assertSetEqual({100, 200}, set(results))
self.assertSetEqual({100,200}, set(results))
def test_wild_nested_lookup(self):
results = nested_lookup(
key='mail',
document=self.subject_dict2,
wild=True,
key = 'mail',
document = self.subject_dict2
wild = True,
)
self.assertEqual(4, len(results))
self.assertIn('test1@example.com', results)
@ -58,26 +58,23 @@ class TestNestedLookup(TestCase):
def test_wild_with_keys_nested_lookup(self):
matches = nested_lookup(
key='mail',
document=self.subject_dict2,
wild=True,
with_keys=True,
key = 'mail',
document = self.subject_dict2,
wild = True,
with_keys = True,
)
self.assertEqual(3, len(matches))
self.assertIn('email_address', matches)
self.assertIn('secondary_email', matches)
self.assertIn('EMAIL_RECOVERY', matches)
self.assertSetEqual(
{'test1@example.com', 'test4@example.com'},
set(matches['email_address'])
)
self.assertSetEqual({'test1@example.com','test4@example.com'}, set(matches['email_address']))
self.assertIn('test2@example.com', matches['secondary_email'])
def test_nested_lookup_with_keys(self):
matches = nested_lookup('d', self.subject_dict, with_keys=True)
self.assertIn('d', matches)
self.assertEqual(2, len(matches['d']))
self.assertSetEqual({100, 200}, set(matches['d']))
self.assertSetEqual({100,200}, set(matches['d']))
class TestGetAllKeys(TestCase):