tracim_backend.lib.utils.utils.password_generator() - Code Metrics - Inspection of "Merge pull request #32 from tracim/feature/833_tim..." - tracim/tracim_v2 - Measure and Improve Code Quality continuously with Scrutinizer

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Push — develop ( 1a738b...dc1907 )

by Bastien

created 2018-08-29 08:34 UTC

password_generator() A

↳ Parent: tracim_backend.lib.utils.utils

Complexity

Conditions

Size

Total Lines	10
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
eloc	4
dl	0
loc	10
rs	10
c	0
b	0
f	0
cc	1
nop	2

# -*- coding: utf-8 -*-
import datetime
import random
import string
from enum import Enum
import colorsys
import pytz
from redis import Redis
from rq import Queue
import typing
if typing.TYPE_CHECKING:
    from tracim_backend.config import CFG

DATETIME_FORMAT = '%Y-%m-%dT%H:%M:%SZ'
DEFAULT_WEBDAV_CONFIG_FILE = "wsgidav.conf"
DEFAULT_TRACIM_CONFIG_FILE = "development.ini"
CONTENT_FRONTEND_URL_SCHEMA = 'workspaces/{workspace_id}/contents/{content_type}/{content_id}'  # nopep8
WORKSPACE_FRONTEND_URL_SCHEMA = 'workspaces/{workspace_id}'  # nopep8


def get_root_frontend_url(config: 'CFG') -> str:
    """
    Return website base url with always '/' at the end
    """
    base_url = ''
    if config.WEBSITE_BASE_URL[-1] == '/':
        base_url = config.WEBSITE_BASE_URL
    else:
        base_url = config.WEBSITE_BASE_URL + '/'
    return base_url


def get_login_frontend_url(config: 'CFG'):
    """
    Return login page url
    """
    return get_root_frontend_url(config) + 'login'


def get_email_logo_frontend_url(config: 'CFG'):
    # TODO - G.M - 11-06-2018 - [emailTemplateURL] correct value for email_logo_frontend_url  # nopep8
    return 'data:image/png;base64,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'  # nopep8'


def get_redis_connection(config: 'CFG') -> Redis:
    """
    :param config: current app_config
    :return: redis connection
    """
    return Redis(
        host=config.EMAIL_SENDER_REDIS_HOST,
        port=config.EMAIL_SENDER_REDIS_PORT,
        db=config.EMAIL_SENDER_REDIS_DB,
    )


def get_rq_queue(redis_connection: Redis, queue_name: str ='default') -> Queue:
    """
    :param queue_name: name of queue
    :return: wanted queue
    """

    return Queue(name=queue_name, connection=redis_connection)


def cmp_to_key(mycmp):
    """
    List sort related function

    Convert a cmp= function into a key= function
    """
    class K(object):
        def __init__(self, obj, *args):
            self.obj = obj

        def __lt__(self, other):
            return mycmp(self.obj, other.obj) < 0

        def __gt__(self, other):
            return mycmp(self.obj, other.obj) > 0

        def __eq__(self, other):
            return mycmp(self.obj, other.obj) == 0

        def __le__(self, other):
            return mycmp(self.obj, other.obj) <= 0

        def __ge__(self, other):
            return mycmp(self.obj, other.obj) >= 0

        def __ne__(self, other):
            return mycmp(self.obj, other.obj) != 0

    return K


def current_date_for_filename() -> str:
    """
    ISO8601 current date, adapted to be used in filename (for
    webdav feature for example), with trouble-free characters.
    :return: current date as string like "2018-03-19T15.49.27.246592"
    """
    # INFO - G.M - 19-03-2018 - As ':' is in transform_to_bdd method in
    # webdav utils, it may cause trouble. So, it should be replaced to
    # a character which will not change in bdd.
    return datetime.datetime.now().isoformat().replace(':', '.')


class Timezone(object):
    def __init__(self, name):
        self.name = name


def get_timezones_list() -> typing.List[Timezone]:
    tz_list = []
    for tz_name in pytz.common_timezones:
        tz_list.append(Timezone(tz_name))
    return tz_list

# INFO - G.M - 2018-08-02 - Simple password generator, inspired by
# https://gist.github.com/23maverick23/4131896


ALLOWED_AUTOGEN_PASSWORD_CHAR = string.ascii_letters + \
                                string.digits + \
                                string.punctuation

DEFAULT_PASSWORD_GEN_CHAR_LENGTH = 12


def password_generator(
        length: int=DEFAULT_PASSWORD_GEN_CHAR_LENGTH,
        chars: str=ALLOWED_AUTOGEN_PASSWORD_CHAR
) -> str:
    """
    :param length: length of the new password
    :param chars: characters allowed
    :return: password as string
    """
    return ''.join(random.choice(chars) for char_number in range(length))


def clamp(val: float, minimum: float = 0.0, maximum: float= 255.0) -> int:
    """ Fix value between min an max"""
    if val < minimum:
        return minimum
    if val > maximum:
        return maximum
    return int(val)


COLOR_DARKEN_SCALE_FACTOR = 0.85
COLOR_LIGHTEN_SCALE_FACTOR = 1.15


class Color(object):
    def __init__(self, base_hex_code: str):
        """
        :param base_hex_code: hex color like '#FFFFFF'
        """

        assert len(base_hex_code) == 7
        self._base_hex_code = base_hex_code

    # INFO - G.M - 2018-08-10 - get_hexcolor, inspired by
    # https://thadeusb.com/weblog/2010/10/10/python_scale_hex_color/

    def get_hexcolor(self, scalefactor: float) -> str:
        """

        :param scalefactor: factor of scaling,
        value between 0 and 1 darken the color,
        value >1 lighten the color.
        :return: new hex_color
        """

        hex_color = self._base_hex_code.strip('#')
        assert scalefactor > 0

        r = int(hex_color[:2], 16)
        g = int(hex_color[2:4], 16)
        b = int(hex_color[4:], 16)

        h, l, s = colorsys.rgb_to_hls(r, g, b)
        l = scalefactor * l
        r, g, b = colorsys.hls_to_rgb(h, l, s)

        return "#%02x%02x%02x" % (clamp(r), clamp(g), clamp(b))

    @property
    def normal(self):
        return self._base_hex_code

    @property
    def darken(self):
        return self.get_hexcolor(COLOR_DARKEN_SCALE_FACTOR)

    @property
    def lighten(self):
        return self.get_hexcolor(COLOR_LIGHTEN_SCALE_FACTOR)


1			# -- coding: utf-8 --
2			import datetime
3			import random
4			import string
5			from enum import Enum
6			import colorsys
7			import pytz
8			from redis import Redis
9			from rq import Queue
10			import typing
11			if typing.TYPE_CHECKING:
12			from tracim_backend.config import CFG
13
14			DATETIME_FORMAT = '%Y-%m-%dT%H:%M:%SZ'
15			DEFAULT_WEBDAV_CONFIG_FILE = "wsgidav.conf"
16			DEFAULT_TRACIM_CONFIG_FILE = "development.ini"
17			CONTENT_FRONTEND_URL_SCHEMA = 'workspaces/{workspace_id}/contents/{content_type}/{content_id}' # nopep8
18			WORKSPACE_FRONTEND_URL_SCHEMA = 'workspaces/{workspace_id}' # nopep8
19
20
21			def get_root_frontend_url(config: 'CFG') -> str:
22			"""
23			Return website base url with always '/' at the end
24			"""
25			base_url = ''
26			if config.WEBSITE_BASE_URL[-1] == '/':
27			base_url = config.WEBSITE_BASE_URL
28			else:
29			base_url = config.WEBSITE_BASE_URL + '/'
30			return base_url
31
32
33			def get_login_frontend_url(config: 'CFG'):
34			"""
35			Return login page url
36			"""
37			return get_root_frontend_url(config) + 'login'
38
39
40			def get_email_logo_frontend_url(config: 'CFG'):
41			# TODO - G.M - 11-06-2018 - [emailTemplateURL] correct value for email_logo_frontend_url # nopep8
42			return 'data:image/png;base64,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' # nopep8'
43
44
45			def get_redis_connection(config: 'CFG') -> Redis:
46			"""
47			:param config: current app_config
48			:return: redis connection
49			"""
50			return Redis(
51			host=config.EMAIL_SENDER_REDIS_HOST,
52			port=config.EMAIL_SENDER_REDIS_PORT,
53			db=config.EMAIL_SENDER_REDIS_DB,
54			)
55
56
57			def get_rq_queue(redis_connection: Redis, queue_name: str ='default') -> Queue:
58			"""
59			:param queue_name: name of queue
60			:return: wanted queue
61			"""
62
63			return Queue(name=queue_name, connection=redis_connection)
64
65
66			def cmp_to_key(mycmp):
67			"""
68			List sort related function
69
70			Convert a cmp= function into a key= function
71			"""
72			class K(object):
73			def __init__(self, obj, *args):
74			self.obj = obj
75
76			def __lt__(self, other):
77			return mycmp(self.obj, other.obj) < 0
78
79			def __gt__(self, other):
80			return mycmp(self.obj, other.obj) > 0
81
82			def __eq__(self, other):
83			return mycmp(self.obj, other.obj) == 0
84
85			def __le__(self, other):
86			return mycmp(self.obj, other.obj) <= 0
87
88			def __ge__(self, other):
89			return mycmp(self.obj, other.obj) >= 0
90
91			def __ne__(self, other):
92			return mycmp(self.obj, other.obj) != 0
93
94			return K
95
96
97			def current_date_for_filename() -> str:
98			"""
99			ISO8601 current date, adapted to be used in filename (for
100			webdav feature for example), with trouble-free characters.
101			:return: current date as string like "2018-03-19T15.49.27.246592"
102			"""
103			# INFO - G.M - 19-03-2018 - As ':' is in transform_to_bdd method in
104			# webdav utils, it may cause trouble. So, it should be replaced to
105			# a character which will not change in bdd.
106			return datetime.datetime.now().isoformat().replace(':', '.')
107
108
109			class Timezone(object):
110			def __init__(self, name):
111			self.name = name
112
113
114			def get_timezones_list() -> typing.List[Timezone]:
115			tz_list = []
116			for tz_name in pytz.common_timezones:
117			tz_list.append(Timezone(tz_name))
118			return tz_list
119
120			# INFO - G.M - 2018-08-02 - Simple password generator, inspired by
121			# https://gist.github.com/23maverick23/4131896
122
123
124			ALLOWED_AUTOGEN_PASSWORD_CHAR = string.ascii_letters + \
125			string.digits + \
126			string.punctuation
127
128			DEFAULT_PASSWORD_GEN_CHAR_LENGTH = 12
129
130
131			def password_generator(
132			length: int=DEFAULT_PASSWORD_GEN_CHAR_LENGTH,
133			chars: str=ALLOWED_AUTOGEN_PASSWORD_CHAR
134			) -> str:
135			"""
136			:param length: length of the new password
137			:param chars: characters allowed
138			:return: password as string
139			"""
140			return ''.join(random.choice(chars) for char_number in range(length))
141
142
143			def clamp(val: float, minimum: float = 0.0, maximum: float= 255.0) -> int:
144			""" Fix value between min an max"""
145			if val < minimum:
146			return minimum
147			if val > maximum:
148			return maximum
149			return int(val)
150
151
152			COLOR_DARKEN_SCALE_FACTOR = 0.85
153			COLOR_LIGHTEN_SCALE_FACTOR = 1.15
154
155
156			class Color(object):
157			def __init__(self, base_hex_code: str):
158			"""
159			:param base_hex_code: hex color like '#FFFFFF'
160			"""
161
162			assert len(base_hex_code) == 7
163			self._base_hex_code = base_hex_code
164
165			# INFO - G.M - 2018-08-10 - get_hexcolor, inspired by
166			# https://thadeusb.com/weblog/2010/10/10/python_scale_hex_color/
167
168			def get_hexcolor(self, scalefactor: float) -> str:
169			"""
170
171			:param scalefactor: factor of scaling,
172			value between 0 and 1 darken the color,
173			value >1 lighten the color.
174			:return: new hex_color
175			"""
176
177			hex_color = self._base_hex_code.strip('#')
178			assert scalefactor > 0
179
180			r = int(hex_color[:2], 16)
181			g = int(hex_color[2:4], 16)
182			b = int(hex_color[4:], 16)
183
184			h, l, s = colorsys.rgb_to_hls(r, g, b)
185			l = scalefactor * l
186			r, g, b = colorsys.hls_to_rgb(h, l, s)
187
188			return "#%02x%02x%02x" % (clamp(r), clamp(g), clamp(b))
189
190			@property
191			def normal(self):
192			return self._base_hex_code
193
194			@property
195			def darken(self):
196			return self.get_hexcolor(COLOR_DARKEN_SCALE_FACTOR)
197
198			@property
199			def lighten(self):
200			return self.get_hexcolor(COLOR_LIGHTEN_SCALE_FACTOR)
201

tracim / tracim_v2

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