cf_predict.Model.find_latest_version() - Code Metrics - Inspection of "Implemented Model Resource" - ronert/cf-predict - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 0c6719...9dd24d )

by Ronert

created 2016-03-13 21:38 UTC

cf_predict.Model.find_latest_version() A

↳ Parent: cf_predict.Model

Complexity

Conditions

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Metric	Value
dl	0
loc	4
rs	10
cc	1

import pickle
import os
from flask_restful import Resource, reqparse
# .scrutinizer.yml
before_commands:
    - sudo pip install abc # Python2
    - sudo pip3 install abc # Python3
from flask import url_for, current_app
# .scrutinizer.yml
before_commands:
    - sudo pip install abc # Python2
    - sudo pip3 install abc # Python3
import cf_predict


def get_db():
    """Fetch Redis client."""
    return current_app.extensions["redis"]


class Catalogue(Resource):

    def get(self):
        """Show a catalogue of available endpoints."""
        return {
            "predict_url": url_for("api.predict",
                                   _external=True),
            "model_version_url": url_for("api.model",
                                         _external=True),
            "api_version": cf_predict.__version__
        }


class Model(Resource):
    def __init__(self):
        self.r = get_db()
        self.version = os.getenv("MODEL_VERSION") or "latest"
        if self.version == "latest":
            self.version = self.find_latest_version(self.version)
        try:
            self.model = self.load_model(self.version)
        except TypeError:
            current_app.logger.warning("No model found in Redis")

    def find_latest_version(self, version):
        """Find model with the highest version number in Redis."""
        latest_version = max(self.r.keys())
        return latest_version

    def load_model(self, version):
        """Deserialize and load model."""
        return pickle.loads(self.r.get(version))

    def get(self):
        """Get current model version."""
        return {"model_version": self.version}

    def put(self):
        """Load a specific model version into memory from Redis.

        Either specifiy the model version or 'latest'.
        """
        parser = reqparse.RequestParser()
        parser.add_argument("version", type=str, required=True)
        args = parser.parse_args()
        version = args["version"]
        if version == "latest":
            self.version = self.find_latest_version(version)
        else:
            self.version = args["version"]
        self.model = self.load_model(self.version)
        return {"model_version": self.version}


class Predict(Resource):

    def get(self):
        """Get prediction from model.

        Input: Feature array
        """
        parser = reqparse.RequestParser()
        parser.add_argument("features", type=str, required=True)
        args = parser.parse_args()
        return args


Push — master ( 0c6719...9dd24d )

cf_predict.Model.find_latest_version() A

Complexity

Size

Duplication

1. Missing Dependencies

2. Missing init.py files

1. Missing Dependencies

2. Missing init.py files

1			import pickle
2			import os
3			from flask_restful import Resource, reqparse
			0 ignored issues – show Configuration introduced 2016-03-13 21:50 UTC by Report Bug Copy Issue Report The import `flask_restful` could not be resolved. This can be caused by one of the following: 1. Missing Dependencies This error could indicate a configuration issue of Pylint. Make sure that your libraries are available by adding the necessary commands. # .scrutinizer.yml before_commands: - sudo pip install abc # Python2 - sudo pip3 install abc # Python3 Tip: We are currently not using virtualenv to run pylint, when installing your modules make sure to use the command for the correct version. 2. Missing __init__.py files This error could also result from missing `__init__.py` files in your module folders. Make sure that you place one file in each sub-folder. Loading history...
4			from flask import url_for, current_app
			0 ignored issues – show Configuration introduced 2016-03-07 16:40 UTC by Report Bug Copy Issue Report The import `flask` could not be resolved. This can be caused by one of the following: 1. Missing Dependencies This error could indicate a configuration issue of Pylint. Make sure that your libraries are available by adding the necessary commands. # .scrutinizer.yml before_commands: - sudo pip install abc # Python2 - sudo pip3 install abc # Python3 Tip: We are currently not using virtualenv to run pylint, when installing your modules make sure to use the command for the correct version. 2. Missing __init__.py files This error could also result from missing `__init__.py` files in your module folders. Make sure that you place one file in each sub-folder. Loading history...
5			import cf_predict
6
7
8			def get_db():
9			"""Fetch Redis client."""
10			return current_app.extensions["redis"]
11
12
13			class Catalogue(Resource):
			0 ignored issues – show Coding Style introduced 2016-03-07 16:40 UTC by Report Bug Copy Issue Report This class has no `__init__` method. Loading history...
14			def get(self):
15			"""Show a catalogue of available endpoints."""
16			return {
17			"predict_url": url_for("api.predict",
18			_external=True),
19			"model_version_url": url_for("api.model",
20			_external=True),
21			"api_version": cf_predict.__version__
22			}
23
24
25			class Model(Resource):
26			def __init__(self):
27			self.r = get_db()
28			self.version = os.getenv("MODEL_VERSION") or "latest"
29			if self.version == "latest":
30			self.version = self.find_latest_version(self.version)
31			try:
32			self.model = self.load_model(self.version)
33			except TypeError:
34			current_app.logger.warning("No model found in Redis")
35
36			def find_latest_version(self, version):
37			"""Find model with the highest version number in Redis."""
38			latest_version = max(self.r.keys())
39			return latest_version
40
41			def load_model(self, version):
42			"""Deserialize and load model."""
43			return pickle.loads(self.r.get(version))
44
45			def get(self):
46			"""Get current model version."""
47			return {"model_version": self.version}
48
49			def put(self):
50			"""Load a specific model version into memory from Redis.
51
52			Either specifiy the model version or 'latest'.
53			"""
54			parser = reqparse.RequestParser()
55			parser.add_argument("version", type=str, required=True)
56			args = parser.parse_args()
57			version = args["version"]
58			if version == "latest":
59			self.version = self.find_latest_version(version)
60			else:
61			self.version = args["version"]
62			self.model = self.load_model(self.version)
63			return {"model_version": self.version}
64
65
66			class Predict(Resource):
			0 ignored issues – show Coding Style introduced 2016-03-06 09:55 UTC by Report Bug Copy Issue Report This class has no `__init__` method. Loading history...
67			def get(self):
68			"""Get prediction from model.
69
70			Input: Feature array
71			"""
72			parser = reqparse.RequestParser()
73			parser.add_argument("features", type=str, required=True)
74			args = parser.parse_args()
75			return args
76

ronert / cf-predict

Push — master ( 0c6719...9dd24d )

cf_predict.Model.find_latest_version() A

Complexity

Size

Duplication

1. Missing Dependencies

2. Missing __init__.py files

1. Missing Dependencies

2. Missing __init__.py files

Duplication Side-by-Side

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2. Missing init.py files

2. Missing init.py files