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
|
#!/usr/bin/env python
import os
import sys
from setuptools import setup, Extension, Feature
from distutils.command.build_ext import build_ext
from distutils.errors import CCompilerError, DistutilsExecError, \
DistutilsPlatformError
from scss.scss_meta import PROJECT, URL, VERSION, AUTHOR, AUTHOR_EMAIL, LICENSE, DOWNLOAD_URL
# fail safe compilation shamelessly stolen from the simplejson
# setup.py file. Original author: Bob Ippolito
is_jython = 'java' in sys.platform
is_pypy = hasattr(sys, 'pypy_version_info')
speedups = Feature(
'optional C speed-enhancement module',
standard=True,
ext_modules=[
Extension(
'scss._speedups',
sources=['scss/src/_speedups.c', 'scss/src/block_locator.c', 'scss/src/scanner.c'],
libraries=['pcre']
),
],
)
ext_errors = (CCompilerError, DistutilsExecError, DistutilsPlatformError)
if sys.platform == 'win32' and sys.version_info > (2, 6):
# 2.6's distutils.msvc9compiler can raise an IOError when failing to
# find the compiler
ext_errors += (IOError,)
extra = {}
if sys.version_info >= (3, 0):
extra['use_2to3'] = True
class BuildFailed(Exception):
pass
class ve_build_ext(build_ext):
"""This class allows C extension building to fail."""
def run(self):
try:
build_ext.run(self)
except DistutilsPlatformError:
raise BuildFailed()
def build_extension(self, ext):
try:
build_ext.build_extension(self, ext)
except ext_errors:
raise BuildFailed()
except ValueError:
# this can happen on Windows 64 bit, see Python issue 7511
if "'path'" in str(sys.exc_info()[1]): # works with Python 2 and 3
raise BuildFailed()
raise
def echo(msg=''):
sys.stdout.write(msg + '\n')
def read(fname):
try:
return open(os.path.join(os.path.dirname(__file__), fname)).read().strip()
except IOError:
return ''
def run_setup(with_binary):
features = {}
if with_binary:
features['speedups'] = speedups
setup(
name=PROJECT,
version=VERSION,
description=read('DESCRIPTION'),
long_description=read('README.rst'),
author=AUTHOR,
author_email=AUTHOR_EMAIL,
url=URL,
download_url=DOWNLOAD_URL,
license=LICENSE,
keywords='css oocss xcss sass scss less precompiler',
classifiers=[
"Development Status :: 5 - Production/Stable",
"Intended Audience :: Developers",
"License :: OSI Approved :: MIT License",
"Operating System :: OS Independent",
"Programming Language :: Python",
"Programming Language :: Python :: 3",
"Topic :: Software Development :: Code Generators",
"Topic :: Text Processing :: Markup",
"Topic :: Software Development :: Libraries :: Python Modules"
],
packages=['scss'],
package_data={'scss': ['tests.rst']},
cmdclass={'build_ext': ve_build_ext},
features=features,
entry_points="""
[console_scripts]
pyscss = scss.tool:main
""",
**extra
)
def try_building_extension():
try:
run_setup(True)
except BuildFailed:
LINE = '=' * 74
BUILD_EXT_WARNING = 'WARNING: The C extension could not be ' \
'compiled, speedups are not enabled.'
echo(LINE)
echo(BUILD_EXT_WARNING)
echo('Failure information, if any, is above.')
echo('Retrying the build without the C extension now.')
echo()
run_setup(False)
echo(LINE)
echo(BUILD_EXT_WARNING)
echo('Plain-Python installation succeeded.')
echo(LINE)
if not (is_pypy or is_jython):
try_building_extension()
else:
run_setup(False)
|
