forked from pytest-dev/pytest-django
-
Notifications
You must be signed in to change notification settings - Fork 0
/
generate_configurations.py
executable file
·256 lines (202 loc) · 8.08 KB
/
generate_configurations.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
#!/usr/bin/env python
from __future__ import print_function
import itertools
from collections import namedtuple
import math
from textwrap import dedent
# https://xkcd.com/1319/
# https://xkcd.com/1205/
TestEnvBase = namedtuple('TestEnvBase', ['python_version', 'pytest_version',
'django_version', 'settings'])
class TestEnv(TestEnvBase):
def is_py2(self):
return (self.python_version.startswith('python2') or
self.python_version == 'pypy')
def is_py3(self):
return (self.python_version.startswith('python3') or
self.python_version == 'pypy3')
def is_pypy(self):
return self.python_version.startswith('pypy')
# Python to run tox.
RUN_PYTHON = '3.5'
PYTHON_MAIN_VERSIONS = ['python2.7', 'python3.5']
PYTHON_VERSIONS = ['python2.7', 'python3.3',
'python3.4', 'python3.5', 'pypy', 'pypy3']
PYTEST_VERSIONS = ['2.9.2', '3.0.0']
DJANGO_VERSIONS = ['master', '1.7', '1.8', '1.9', '1.10']
SETTINGS = ['sqlite', 'sqlite_file', 'mysql_myisam', 'mysql_innodb',
'postgres']
DJANGO_REQUIREMENTS = {
'1.7': 'Django>=1.7,<1.8',
'1.8': 'Django>=1.8,<1.9',
'1.9': 'Django>=1.9,<1.10',
'1.10': 'Django>=1.10,<1.11',
'master': 'https://github.com/django/django/archive/master.tar.gz',
}
TOX_TESTENV_TEMPLATE = dedent("""
[testenv:%(testenv_name)s]
commands =
%(commands)s
basepython = %(python_version)s
deps =
%(deps)s
setenv =
PYTHONPATH = {toxinidir}:{env:PYTHONPATH:}
""")
def is_valid_env(env):
# Stable database adapters for PyPy+Postgres/MySQL are hard to come by..
if env.is_pypy() and env.settings in ('postgres', 'mysql_myisam',
'mysql_innodb'):
return False
dj_version = tuple(int(x) if x != 'master' else math.inf
for x in env.django_version.split('.'))
if env.is_py3():
# MySQL on Python 3 is not supported by Django
if env.settings in ('mysql_myisam', 'mysql_innodb'):
return False
# Django 1.9 dropped Python 3.2 and Python 3.3 support
if env.python_version == 'python3.3' and dj_version >= (1, 9):
return False
# Python 3.5 is only supported by Django 1.8+
if env.python_version == 'python3.5':
return dj_version >= (1, 8)
# pypy3 is compatible with Python 3.3, but Django 1.9 only supports Python
# 2.7, 3.4+.
if env.python_version == 'pypy3' and dj_version >= (1, 9):
return False
return True
def requirements(env):
yield 'pytest==%s' % (env.pytest_version)
yield 'pytest-xdist==1.15'
yield DJANGO_REQUIREMENTS[env.django_version]
yield 'django-configurations==1.0'
if env.settings == 'postgres':
yield 'psycopg2==2.6.2'
if env.settings in ('mysql_myisam', 'mysql_innodb'):
yield 'mysql-python==1.2.5'
def testenv_name(env):
if len(PYTEST_VERSIONS) == 1:
env = [getattr(env, x) for x in env._fields if x != 'pytest_version']
return '-'.join(env)
def tox_testenv_config(env):
cmd = (' py.test --ds=pytest_django_test.settings_%s --strict -r '
'fEsxXw {posargs:tests}' % env.settings)
deps = '\n'.join(' %s' % r for r in requirements(env))
return TOX_TESTENV_TEMPLATE % {
'testenv_name': testenv_name(env),
'python_version': env.python_version,
'django_version': env.django_version,
'settings': env.settings,
'commands': cmd,
'deps': deps,
}
def generate_all_envs():
products = itertools.product(PYTHON_VERSIONS, PYTEST_VERSIONS,
DJANGO_VERSIONS, SETTINGS)
for (python_version, pytest_version, django_version, settings) \
in products:
env = TestEnv(python_version, pytest_version, django_version, settings)
if is_valid_env(env):
yield env
def generate_default_envs(envs):
"""
Returns a list of testenvs that include all different Python versions, all
Django versions and all database backends.
"""
result = set()
def find_and_add(variations, env_getter):
for variation in variations:
for existing in result:
if env_getter(existing) == variation:
break
else:
for env in reversed(envs):
if env_getter(env) == variation:
result.add(env)
break
# Add all Django versions for each main python version (2.x and 3.x).
find_and_add(itertools.product(PYTHON_MAIN_VERSIONS, DJANGO_VERSIONS),
lambda env: (env.python_version, env.django_version))
find_and_add(PYTHON_VERSIONS, lambda env: env.python_version)
find_and_add(PYTEST_VERSIONS, lambda env: env.pytest_version)
find_and_add(DJANGO_VERSIONS, lambda env: env.django_version)
find_and_add(SETTINGS, lambda env: env.settings)
return result
def make_tox_ini(envs, default_envs):
default_env_names = ([testenv_name(env) for env in default_envs] +
['checkqa-%s' % python_version for python_version in
PYTHON_MAIN_VERSIONS])
contents = [dedent('''
[tox]
envlist = %(active_envs)s
[testenv]
whitelist_externals =
sh
''' % {'active_envs': ','.join(default_env_names)}).lstrip()]
# Add checkqa-testenvs for different PYTHON_VERSIONS.
# flake8 is configured in setup.cfg.
for python_version in PYTHON_VERSIONS:
contents.append(dedent("""
[testenv:checkqa-%(python_version)s]
commands =
flake8 --version
flake8 --show-source --statistics
basepython = %(python_version)s
deps =
flake8""" % {
'python_version': python_version,
}))
for env in envs:
contents.append(tox_testenv_config(env))
return '\n'.join(contents)
def make_travis_yml(envs):
contents = dedent("""
# Use container-based environment (faster startup, allows caches).
sudo: false
language: python
python:
- "%(RUN_PYTHON)s"
env:
%(testenvs)s
%(checkenvs)s
matrix:
allow_failures:
%(allow_failures)s
install:
# Create pip wrapper script, using travis_retry (a function) and
# inject it into tox.ini.
- mkdir -p bin
- PATH=$PWD/bin:$PATH
- printf '#!/bin/sh\\n' > bin/travis_retry_pip
- declare -f travis_retry >> bin/travis_retry_pip
- printf '\\necho "Using pip-wrapper.." >&2\\ntravis_retry pip "$@"' >> bin/travis_retry_pip
- chmod +x bin/travis_retry_pip
- sed -i.bak 's/^\[testenv\]/\\0\\ninstall_command = travis_retry_pip install {opts} {packages}/' tox.ini
- diff tox.ini tox.ini.bak && return 1 || true
- sed -i.bak 's/whitelist_externals =/\\0\\n travis_retry_pip/' tox.ini
- diff tox.ini tox.ini.bak && return 1 || true
- pip install tox==2.3.1
script: tox -e $TESTENV
""").strip("\n") # noqa
testenvs = '\n'.join(' - TESTENV=%s' % testenv_name(env) for env in envs)
checkenvs = '\n'.join(' - TESTENV=checkqa-%s' %
python for python in PYTHON_MAIN_VERSIONS)
allow_failures = '\n'.join(' - env: TESTENV=%s' %
testenv_name(env) for env in envs
if env.django_version == 'master')
return contents % {
'testenvs': testenvs,
'checkenvs': checkenvs,
'allow_failures': allow_failures,
'RUN_PYTHON': RUN_PYTHON,
}
def main():
all_envs = list(generate_all_envs())
default_envs = sorted(generate_default_envs(all_envs))
with open('tox.ini', 'w+') as tox_ini_file:
tox_ini_file.write(make_tox_ini(all_envs, default_envs))
with open('.travis.yml', 'w+') as travis_yml_file:
travis_yml_file.write(make_travis_yml(default_envs))
print('tox.ini and .travis.yml has been generated!')
if __name__ == '__main__':
main()