-
Notifications
You must be signed in to change notification settings - Fork 438
/
python.rb
172 lines (146 loc) · 5.59 KB
/
python.rb
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
module Travis
module Build
class Script
class Python < Script
DEFAULTS = {
python: '3.6',
virtualenv: { system_site_packages: false }
}
DEPRECATIONS = [
{
name: 'Python',
current_default: DEFAULTS[:python],
new_default: '3.6',
cutoff_date: '2019-04-16',
}
]
PIP_20_3_MSG = [
"Pip version 20.3 introduces changes to the dependency resolver that may affect your software.",
"We advise you to consider testing the upcoming changes, which may be introduced in a future Travis CI build image update.",
"See https://pip.pypa.io/en/latest/user_guide/#changes-to-the-pip-dependency-resolver-in-20-2-2020 for more information."
]
PIP_20_2_MSG = "With pip 20.2, you can test the new dependency resolver with the \\\`--use-feature=2020-resolver\\\` flag."
REQUIREMENTS_MISSING = 'Could not locate requirements.txt. Override the install: key in your .travis.yml to install dependencies.'
SCRIPT_MISSING = 'Please override the script: key in your .travis.yml to run tests.'
PYENV_PATH_FILE = '/etc/profile.d/pyenv.sh'
def export
super
sh.export 'TRAVIS_PYTHON_VERSION', version, echo: false
end
def configure
super
sh.if "! -f #{virtualenv_activate}" do
sh.echo "#{version} is not installed; attempting download", ansi: :yellow
install_python_archive version
setup_path version
end
end
def setup
super
sh.cmd "source #{virtualenv_activate}"
end
def announce
sh.cmd 'python --version'
sh.cmd 'pip --version'
sh.export 'PIP_DISABLE_PIP_VERSION_CHECK', '1', echo: false
sh.export 'PIP_PROGRESS_BAR', 'off', echo: false
end
def setup_cache
if data.cache?(:pip)
sh.fold 'cache.pip' do
sh.newline
directory_cache.add '${TRAVIS_HOME}/.cache/pip'
end
end
end
def install
warn_pip_20_3
sh.if '-f Requirements.txt' do
sh.cmd 'pip install -r Requirements.txt', fold: 'install', retry: true
end
sh.elif '-f requirements.txt' do
sh.cmd 'pip install -r requirements.txt', fold: 'install', retry: true
end
sh.else do
sh.echo REQUIREMENTS_MISSING # , ansi: :red
end
end
def script
# This always fails the build, asking the user to provide a custom :script.
# The Python ecosystem has no good default build command most of the
# community agrees on. Per discussion with jezjez, josh-k and others. MK
sh.failure SCRIPT_MISSING
end
def cache_slug
super << '--python-' << version
end
def use_directory_cache?
super || data.cache?(:pip)
end
private
def version
Array(config[:python]).first.to_s
end
def virtualenv_activate
"~/virtualenv/#{virtualenv}#{system_site_packages}/bin/activate"
end
def virtualenv
pypy? ? version : "python#{version}"
end
def pypy?
config[:python] =~ /pypy/i
end
def system_site_packages
'_with_system_site_packages' if config[:virtualenv][:system_site_packages]
end
def install_python_archive(version = 'nightly')
if version =~ /^pypy/
if md = /^(?<interpreter>pypy[^-]*)(-(?<version>.*))?/.match(version)
lang = md[:interpreter]
vers = md[:version]
end
else
lang = 'python'
vers = version
end
sh.raw archive_url_for('travis-python-archives', vers, lang)
sh.echo "Downloading archive: ${archive_url}", ansi: :yellow
archive_basename = [lang, vers].compact.join("-")
archive_filename = "#{archive_basename}.tar.bz2"
sh.cmd "curl -sSf --retry 5 -o #{archive_filename} ${archive_url}", echo: true, assert: false, timing: true
sh.if "$? != 0" do
sh.failure "Unable to download #{version} archive. The archive may not exist. Please consider a different version."
end
sh.cmd "sudo #{tar_extract} #{archive_filename} --directory /", echo: true, assert: true, timing: true
sh.cmd "rm #{archive_filename}", echo: false
end
def tar_extract
case config[:os]
when 'freebsd'
"tar xPjf"
else
"tar xjf"
end
end
def setup_path(version = 'nightly')
sh.cmd "echo 'export PATH=/opt/python/#{version}/bin:$PATH' | sudo tee -a #{PYENV_PATH_FILE} &>/dev/null"
end
def pip_version_at_least_20_2?
"$(travis_vers2int $(pip --version | cut -f2 -d \" \")) -ge $(travis_vers2int \"20.2\")"
end
def pip_version_before_20_3?
"$(travis_vers2int $(pip --version | cut -f2 -d \" \")) -lt $(travis_vers2int \"20.3\")"
end
def warn_pip_20_3
sh.if pip_version_before_20_3? do
PIP_20_3_MSG.each { |l| sh.echo l, ansi: :yellow }
sh.if pip_version_at_least_20_2? do
sh.echo PIP_20_2_MSG, ansi: :yellow
end
sh.echo
end
end
end
end
end
end