isomer.ui.store.inventory.inspect_wheel() - Code Metrics - Inspection of "Many core improvements and fixes for 1.1" - isomeric/isomer - Measure and Improve Code Quality continuously with Scrutinizer

Test Failed

Pull Request — master (#2)

by Heiko 'riot'

created 2020-10-02 13:08 UTC

isomer.ui.store.inventory.inspect_wheel() C

↳ Parent: isomer.ui.store.inventory

Complexity

Conditions

Size

Total Lines	77
Code Lines	49

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	10
eloc	49
nop	1
dl	0
loc	77
rs	5.869
c	0
b	0
f	0

How to fix Long Method Complexity

# !/usr/bin/env python
# -*- coding: UTF-8 -*-

# Isomer - The distributed application framework
# ==============================================
# Copyright (C) 2011-2020 Heiko 'riot' Weinen <[email protected]> and others.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

"""

Module: Store
=============

Software inventory functionality

"""

import os
import base64
from docutils import core
from typing import Tuple

import requests
import zipfile

from urllib.parse import urljoin

from isomer.misc.std import std_datetime
from isomer.logger import isolog, debug
from isomer.ui.store import DEFAULT_STORE_URL

_STORE = {}


def log(*args, **kwargs):
    """Log as store emitter"""
    kwargs.update({"emitter": "STORE", "frame_ref": 2})
    isolog(*args, **kwargs)


def get_store(source=DEFAULT_STORE_URL,
              auth: Tuple[str, str] = None):
    """Return current store

    This function acts as cache for
    :func: `~isomer.store.inventory.populate_store`

    :param: source: Optionally, specify alternative store url
    :param: auth: Optional tuple containing username and password"""

    if _STORE == {}:
        return populate_store(source, auth)
    else:
        return _STORE


def inspect_wheel(wheel: str):
    """Inspeggtor reporting for duty!

    This thing opens up Python Eggs to analyze their content in an isomeric way.
    Some data pulled out is specific to isomer modules but could be used for general
    structures. Specifically, a `docs/README.rst` and a `docs/preview.png` is looked
    for.

    :param wheel: Filename of the python egg to inspect
    :return: Dictionary with
        `info` - content of docs/README.rst if found
        `preview` - content of docs/preview.png if found
        `date` - publishing date according to EGG-INFO/PKG-INFO timestamp
        `requires` - any required external python packages
    :rtype: dict
    """
    archive = zipfile.ZipFile(wheel)

    meta_name = os.path.basename(wheel).split("-py")[0] + ".dist-info/METADATA"

    try:
        info = archive.read("docs/README.rst").decode('utf-8')

        info = core.publish_parts(info, writer_name="html")["html_body"]
    except KeyError:
        info = "No information provided"

    try:
        preview = base64.b64encode(archive.read("docs/preview.png")).decode('utf-8')
    except KeyError:
        preview = ""

    pkg_info_info = archive.getinfo(meta_name)

    date = std_datetime(pkg_info_info.date_time)

    requires = []

    homepage = ""
    author = ""
    contact = ""
    package_license = ""

    try:
        lines = str(archive.read(meta_name), encoding="ascii").split("\n")

        for line in lines:
            if line.startswith("Home-page:"):
                homepage = line.split("Home-page: ")[1]
            if line.startswith("Author:"):
                author = line.split("Author: ")[1]
            if line.startswith("Author-email:"):
                contact = line.split("Author-email: ")[1]
            if line.startswith("License:"):
                package_license = line.split("License: ")[1]
            if line.startswith("Requires-Dist:"):
                req = line.split("Requires-Dist: ")[1]
                req = req.replace(" (", "").replace(")", "")
                requires.append(req)
    except KeyError:
        log("No metadata found")

    result = {
        'info': info,
        'preview': preview,
        'date': date,
        'requires': requires,
        'homepage': homepage,
        'author': author,
        'contact': contact,
        'license': package_license,
        'downloads': "-",
        'stars': "-"
    }
    log(result, pretty=True)

    return result


def populate_store(source=DEFAULT_STORE_URL,
                   auth: Tuple[str, str] = None):
    """Grab data from the isomer software store"""

    global _STORE

    log("Getting store information for", source, lvl=debug)

    url = urljoin(source, "/store")
    data = requests.get(url, auth=auth)
    index = data.json()

    _STORE = {
        'source': source,
        'auth': auth,
        'packages': index
    }

    return _STORE


def get_inventory(ctx):
    """Check local instance and its environments for installed modules"""

    instance_configuration = ctx.obj['instance_configuration']
    environment = instance_configuration['environment']
    environment_modules = instance_configuration['environments'][environment]['modules']

    instance_modules = instance_configuration['modules']

    log("Instance:", instance_modules, pretty=True)

    result = {
        'instance': instance_modules,
        'current': environment_modules
    }

    return result


1			# !/usr/bin/env python
2			# -- coding: UTF-8 --
3
4			# Isomer - The distributed application framework
5			# ==============================================
6			# Copyright (C) 2011-2020 Heiko 'riot' Weinen <[email protected]> and others.
7			#
8			# This program is free software: you can redistribute it and/or modify
9			# it under the terms of the GNU Affero General Public License as published by
10			# the Free Software Foundation, either version 3 of the License, or
11			# (at your option) any later version.
12			#
13			# This program is distributed in the hope that it will be useful,
14			# but WITHOUT ANY WARRANTY; without even the implied warranty of
15			# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16			# GNU Affero General Public License for more details.
17			#
18			# You should have received a copy of the GNU Affero General Public License
19			# along with this program. If not, see <http://www.gnu.org/licenses/>.
20
21			"""
22
23			Module: Store
24			=============
25
26			Software inventory functionality
27
28			"""
29
30			import os
31			import base64
32			from docutils import core
33			from typing import Tuple
34
35			import requests
36			import zipfile
37
38			from urllib.parse import urljoin
39
40			from isomer.misc.std import std_datetime
41			from isomer.logger import isolog, debug
42			from isomer.ui.store import DEFAULT_STORE_URL
43
44			_STORE = {}
45
46
47			def log(args, *kwargs):
48			"""Log as store emitter"""
49			kwargs.update({"emitter": "STORE", "frame_ref": 2})
50			isolog(args, *kwargs)
51
52
53			def get_store(source=DEFAULT_STORE_URL,
54			auth: Tuple[str, str] = None):
55			"""Return current store
56
57			This function acts as cache for
58			:func: `~isomer.store.inventory.populate_store`
59
60			:param: source: Optionally, specify alternative store url
61			:param: auth: Optional tuple containing username and password"""
62
63			if _STORE == {}:
64			return populate_store(source, auth)
65			else:
66			return _STORE
67
68
69			def inspect_wheel(wheel: str):
70			"""Inspeggtor reporting for duty!
71
72			This thing opens up Python Eggs to analyze their content in an isomeric way.
73			Some data pulled out is specific to isomer modules but could be used for general
74			structures. Specifically, a `docs/README.rst` and a `docs/preview.png` is looked
75			for.
76
77			:param wheel: Filename of the python egg to inspect
78			:return: Dictionary with
79			`info` - content of docs/README.rst if found
80			`preview` - content of docs/preview.png if found
81			`date` - publishing date according to EGG-INFO/PKG-INFO timestamp
82			`requires` - any required external python packages
83			:rtype: dict
84			"""
85			archive = zipfile.ZipFile(wheel)
86
87			meta_name = os.path.basename(wheel).split("-py")[0] + ".dist-info/METADATA"
88
89			try:
90			info = archive.read("docs/README.rst").decode('utf-8')
91
92			info = core.publish_parts(info, writer_name="html")["html_body"]
93			except KeyError:
94			info = "No information provided"
95
96			try:
97			preview = base64.b64encode(archive.read("docs/preview.png")).decode('utf-8')
98			except KeyError:
99			preview = ""
100
101			pkg_info_info = archive.getinfo(meta_name)
102
103			date = std_datetime(pkg_info_info.date_time)
104
105			requires = []
106
107			homepage = ""
108			author = ""
109			contact = ""
110			package_license = ""
111
112			try:
113			lines = str(archive.read(meta_name), encoding="ascii").split("\n")
114
115			for line in lines:
116			if line.startswith("Home-page:"):
117			homepage = line.split("Home-page: ")[1]
118			if line.startswith("Author:"):
119			author = line.split("Author: ")[1]
120			if line.startswith("Author-email:"):
121			contact = line.split("Author-email: ")[1]
122			if line.startswith("License:"):
123			package_license = line.split("License: ")[1]
124			if line.startswith("Requires-Dist:"):
125			req = line.split("Requires-Dist: ")[1]
126			req = req.replace(" (", "").replace(")", "")
127			requires.append(req)
128			except KeyError:
129			log("No metadata found")
130
131			result = {
132			'info': info,
133			'preview': preview,
134			'date': date,
135			'requires': requires,
136			'homepage': homepage,
137			'author': author,
138			'contact': contact,
139			'license': package_license,
140			'downloads': "-",
141			'stars': "-"
142			}
143			log(result, pretty=True)
144
145			return result
146
147
148			def populate_store(source=DEFAULT_STORE_URL,
149			auth: Tuple[str, str] = None):
150			"""Grab data from the isomer software store"""
151
152			global _STORE
153
154			log("Getting store information for", source, lvl=debug)
155
156			url = urljoin(source, "/store")
157			data = requests.get(url, auth=auth)
158			index = data.json()
159
160			_STORE = {
161			'source': source,
162			'auth': auth,
163			'packages': index
164			}
165
166			return _STORE
167
168
169			def get_inventory(ctx):
170			"""Check local instance and its environments for installed modules"""
171
172			instance_configuration = ctx.obj['instance_configuration']
173			environment = instance_configuration['environment']
174			environment_modules = instance_configuration['environments'][environment]['modules']
175
176			instance_modules = instance_configuration['modules']
177
178			log("Instance:", instance_modules, pretty=True)
179
180			result = {
181			'instance': instance_modules,
182			'current': environment_modules
183			}
184
185			return result
186

isomeric / isomer

Pull Request — master (#2)

isomer.ui.store.inventory.inspect_wheel() C

Complexity

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How to fix Long Method Complexity

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