8000 Remove the by-dict support for labels · techscientist/client_python@882d576 · GitHub
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Remove the by-dict support for labels
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-30
lines changed

3 files changed

+3
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‎README.md

Lines changed: 0 additions & 9 deletions
Original file line numberDiff line numberDiff line change
@@ -194,15 +194,6 @@ c.labels(method='get', endpoint='/').inc()
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c.labels(method='post', endpoint='/submit').inc()
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```
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Or as a dict:
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```python
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from prometheus_client import Counter
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c = Counter('my_requests_total', 'HTTP Failures', ['method', 'endpoint'])
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c.labels({'method': 'get', 'endpoint': '/'}).inc()
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c.labels({'method': 'post', 'endpoint': '/submit'}).inc()
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```
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### Process Collector
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The Python client automatically exports metrics about process CPU usage, RAM,

‎prometheus_client/core.py

Lines changed: 1 addition & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -279,11 +279,7 @@ def labels(self, *labelvalues, **labelkwargs):
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if labelvalues and labelkwargs:
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raise ValueError("Can't pass both *args and **kwargs")
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if len(labelvalues) == 1 and type(labelvalues[0]) == dict:
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if sorted(labelvalues[0].keys()) != sorted(self._labelnames):
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raise ValueError('Incorrect label names')
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labelvalues = tuple([unicode(labelvalues[0][l]) for l in self._labelnames])
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elif labelkwargs:
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if labelkwargs:
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if sorted(labelkwargs) != sorted(self._labelnames):
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raise ValueError('Incorrect label names')
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labelvalues = tuple([unicode(labelkwargs[l]) for l in self._labelnames])

‎tests/test_core.py

Lines changed: 2 additions & 16 deletions
Original file line numberDiff line numberDiff line change
@@ -249,7 +249,7 @@ def test_incorrect_label_count_raises(self):
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def test_labels_coerced_to_string(self):
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self.counter.labels(None).inc()
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self.counter.labels({'l': None}).inc()
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self.counter.labels(l=None).inc()
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self.assertEqual(2, self.registry.get_sample_value('c', {'l': 'None'}))
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self.counter.remove(None)
@@ -259,27 +259,13 @@ def test_non_string_labels_raises(self):
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class Test(object):
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__str__ = None
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self.assertRaises(TypeError, self.counter.labels, Test())
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self.assertRaises(TypeError, self.counter.labels, {'l': Test()})
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self.assertRaises(TypeError, self.counter.labels, l=Test())
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def test_namespace_subsystem_concatenated(self):
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c = Counter('c', 'help', namespace='a', subsystem='b', registry=self.registry)
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c.inc()
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self.assertEqual(1, self.registry.get_sample_value('a_b_c'))
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def test_labels_by_dict(self):
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self.counter.labels({'l': 'x'}).inc()
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self.assertEqual(1, self.registry.get_sample_value('c', {'l': 'x'}))
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self.assertRaises(ValueError, self.counter.labels, {'l': 'x', 'm': 'y'})
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self.assertRaises(ValueError, self.counter.labels, {'m': 'y'})
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self.assertRaises(ValueError, self.counter.labels, {})
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self.two_labels.labels({'a': 'x', 'b': 'y'}).inc()
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self.assertEqual(1, self.registry.get_sample_value('two', {'a': 'x', 'b': 'y'}))
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self.assertRaises(ValueError, self.two_labels.labels, {'a': 'x', 'b': 'y', 'c': 'z'})
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self.assertRaises(ValueError, self.two_labels.labels, {'a': 'x', 'c': 'z'})
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self.assertRaises(ValueError, self.two_labels.labels, {'b': 'y', 'c': 'z'})
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self.assertRaises(ValueError, self.two_labels.labels, {'c': 'z'})
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self.assertRaises(ValueError, self.two_labels.labels, {})
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def test_labels_by_kwarg(self):
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self.counter.labels(l='x').inc()
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self.assertEqual(1, self.registry.get_sample_value('c', {'l': 'x'}))

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