PictureCache.saveToDisk() - Code Metrics - Inspection of "Snapshots and views of images" - ilogue/niprov - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#136)

by Jasper

created 2016-06-04 22:46 UTC

PictureCache.saveToDisk() A

↳ Parent: PictureCache

Complexity

Conditions

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	4
dl	0
loc	11
rs	9.2
c	0
b	0
f	0

from niprov.format import Format
import io, os

_CACHE = {}

class PictureCache(Format):

    def __init__(self, dependencies):
        cachedir = os.path.expanduser('~/.niprov-snapshots')
        if not os.path.isdir(cachedir):
            os.mkdir(cachedir)

    def new(self):
        return io.BytesIO()

    def keep(self, picture, for_):
        imgId = for_.provenance['id']
        if hasattr(picture, 'read'):
            picture.seek(0)
            bytes = picture.read()
        else:
            bytes = str(picture)
        _CACHE[imgId] = bytes

    def getBytes(self, for_):
        imgId = for_.provenance['id']
        if imgId in _CACHE:
            return _CACHE[imgId]
        return None

    def getFilepath(self, for_):
        return self.saveToDisk(for_)

    def saveToDisk(self, for_):
        imgId = for_.provenance['id']
        fpath = os.path.expanduser('~/.niprov-snapshots/{}.png'.format(imgId))
        if os.path.isfile(fpath):
            return fpath
        elif imgId in _CACHE:
            with open(fpath, 'w') as picfile:
                picfile.write(_CACHE[imgId])
            return fpath
        else:
            return None

    def serializeSingle(self, image):
        """Provides file path to picture of image.

        This is part of the :class:`.Format` interface. 
        """
        return self.getFilepath(for_=image)



1			from niprov.format import Format
2			import io, os
3
4			_CACHE = {}
5
6			class PictureCache(Format):
7
8			def __init__(self, dependencies):
9			cachedir = os.path.expanduser('~/.niprov-snapshots')
10			if not os.path.isdir(cachedir):
11			os.mkdir(cachedir)
12
13			def new(self):
14			return io.BytesIO()
15
16			def keep(self, picture, for_):
17			imgId = for_.provenance['id']
18			if hasattr(picture, 'read'):
19			picture.seek(0)
20			bytes = picture.read()
21			else:
22			bytes = str(picture)
23			_CACHE[imgId] = bytes
24
25			def getBytes(self, for_):
26			imgId = for_.provenance['id']
27			if imgId in _CACHE:
28			return _CACHE[imgId]
29			return None
30
31			def getFilepath(self, for_):
32			return self.saveToDisk(for_)
33
34			def saveToDisk(self, for_):
35			imgId = for_.provenance['id']
36			fpath = os.path.expanduser('~/.niprov-snapshots/{}.png'.format(imgId))
37			if os.path.isfile(fpath):
38			return fpath
39			elif imgId in _CACHE:
40			with open(fpath, 'w') as picfile:
41			picfile.write(_CACHE[imgId])
42			return fpath
43			else:
44			return None
45
46			def serializeSingle(self, image):
47			"""Provides file path to picture of image.
48
49			This is part of the :class:`.Format` interface.
50			"""
51			return self.getFilepath(for_=image)
52
53

ilogue / niprov

Pull Request — master (#136)

PictureCache.saveToDisk() A

Complexity

Size

Duplication

Importance

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