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by Jace
12s
created

Cache.set()   A

Complexity

Conditions 1

Size

Total Lines 4

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 4
CRAP Score 1

Importance

Changes 1
Bugs 0 Features 0
Metric Value
cc 1
c 1
b 0
f 0
dl 0
loc 4
ccs 4
cts 4
cp 1
crap 1
rs 10
1 1
import os
2 1
import pickle
3
4
5 1
class Cache(object):
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7 1
    PATH = os.path.join('.cache', 'coverage.space')
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9 1
    def __init__(self):
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        self._data = {}
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        self._load()
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13 1
    def _load(self):
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        try:
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            with open(self.PATH, 'rb') as fin:
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                text = fin.read()
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        except IOError:
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            text = None
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        try:
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            data = pickle.loads(text)
22 1
        except (TypeError, KeyError, IndexError):
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            data = None
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        if isinstance(data, dict):
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            self._data = data
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28 1
    def _store(self):
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        directory = os.path.dirname(self.PATH)
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        if not os.path.exists(directory):
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            os.makedirs(directory)
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        text = pickle.dumps(self._data)
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        with open(self.PATH, 'wb') as fout:
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            fout.write(text)
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37 1
    def set(self, url, data, response):
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        slug = self._slugify(url, data)
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        self._data[slug] = response
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        self._store()
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    def get(self, url, data):
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        slug = self._slugify(url, data)
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        return self._data.get(slug)
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    @staticmethod
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    def _slugify(url, data):
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        return (url, hash(frozenset(data.items())))
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