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
|
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
from __future__ import print_function, unicode_literals
import os
import platform
import subprocess
import sys
from distutils.spawn import find_executable
SEARCH_PATHS = [
os.path.join("python", "mach"),
os.path.join("tests", "wpt"),
os.path.join("tests", "wpt", "harness"),
]
# Individual files providing mach commands.
MACH_MODULES = [
os.path.join('python', 'servo', 'bootstrap_commands.py'),
os.path.join('python', 'servo', 'build_commands.py'),
os.path.join('python', 'servo', 'testing_commands.py'),
os.path.join('python', 'servo', 'post_build_commands.py'),
os.path.join('python', 'servo', 'devenv_commands.py'),
]
CATEGORIES = {
'bootstrap': {
'short': 'Bootstrap Commands',
'long': 'Bootstrap the build system',
'priority': 90,
},
'build': {
'short': 'Build Commands',
'long': 'Interact with the build system',
'priority': 80,
},
'post-build': {
'short': 'Post-build Commands',
'long': 'Common actions performed after completing a build.',
'priority': 70,
},
'testing': {
'short': 'Testing',
'long': 'Run tests.',
'priority': 60,
},
'devenv': {
'short': 'Development Environment',
'long': 'Set up and configure your development environment.',
'priority': 50,
},
'build-dev': {
'short': 'Low-level Build System Interaction',
'long': 'Interact with specific parts of the build system.',
'priority': 20,
},
'misc': {
'short': 'Potpourri',
'long': 'Potent potables and assorted snacks.',
'priority': 10,
},
'disabled': {
'short': 'Disabled',
'long': 'The disabled commands are hidden by default. Use -v to display them. These commands are unavailable '
'for your current context, run "mach <command>" to see why.',
'priority': 0,
}
}
def _get_exec(*names):
for name in names:
path = find_executable(name)
if path is not None:
return path
return None
# Possible names of executables, sorted from most to least specific
PYTHON_NAMES = ["python-2.7", "python2.7", "python2", "python"]
VIRTUALENV_NAMES = ["virtualenv-2.7", "virtualenv2.7", "virtualenv2", "virtualenv"]
PIP_NAMES = ["pip-2.7", "pip2.7", "pip2", "pip"]
def _activate_virtualenv(topdir):
virtualenv_path = os.path.join(topdir, "python", "_virtualenv")
python = _get_exec(*PYTHON_NAMES)
if python is None:
sys.exit("Python is not installed. Please install it prior to running mach.")
activate_path = os.path.join(virtualenv_path, "bin", "activate_this.py")
if not (os.path.exists(virtualenv_path) and os.path.exists(activate_path)):
virtualenv = _get_exec(*VIRTUALENV_NAMES)
if virtualenv is None:
sys.exit("Python virtualenv is not installed. Please install it prior to running mach.")
try:
subprocess.check_call([virtualenv, "-p", python, virtualenv_path])
except (subprocess.CalledProcessError, OSError):
sys.exit("Python virtualenv failed to execute properly.")
execfile(activate_path, dict(__file__=activate_path))
# TODO: Right now, we iteratively install all the requirements by invoking
# `pip install` each time. If it were the case that there were conflicting
# requirements, we wouldn't know about them. Once
# https://github.com/pypa/pip/issues/988 is addressed, then we can just
# chain each of the requirements files into the same `pip install` call
# and it will check for conflicts.
requirements_paths = [
os.path.join("python", "requirements.txt"),
os.path.join("tests", "wpt", "harness", "requirements.txt"),
os.path.join("tests", "wpt", "harness", "requirements_servo.txt"),
]
for req_rel_path in requirements_paths:
req_path = os.path.join(topdir, req_rel_path)
marker_file = req_rel_path.replace(os.path.sep, '-')
marker_path = os.path.join(virtualenv_path, marker_file)
try:
if os.path.getmtime(req_path) + 10 < os.path.getmtime(marker_path):
continue
except OSError:
pass
pip = _get_exec(*PIP_NAMES)
if pip is None:
sys.exit("Python pip is not installed. Please install it prior to running mach.")
try:
subprocess.check_call([pip, "install", "-q", "-r", req_path])
except (subprocess.CalledProcessError, OSError):
sys.exit("Pip failed to execute properly.")
open(marker_path, 'w').close()
def bootstrap(topdir):
topdir = os.path.abspath(topdir)
# Ensure we are running Python 2.7+. We put this check here so we generate a
# user-friendly error message rather than a cryptic stack trace on module
# import.
if not (3, 0) > sys.version_info >= (2, 7):
print('Python 2.7 or above (but not Python 3) is required to run mach.')
print('You are running Python', platform.python_version())
sys.exit(1)
_activate_virtualenv(topdir)
def populate_context(context, key=None):
if key is None:
return
if key == 'topdir':
return topdir
raise AttributeError(key)
sys.path[0:0] = [os.path.join(topdir, path) for path in SEARCH_PATHS]
import mach.main
mach = mach.main.Mach(os.getcwd())
mach.populate_context_handler = populate_context
for category, meta in CATEGORIES.items():
mach.define_category(category, meta['short'], meta['long'],
meta['priority'])
for path in MACH_MODULES:
mach.load_commands_from_file(os.path.join(topdir, path))
return mach
|
