summaryrefslogtreecommitdiff
path: root/setup.py
blob: c934a2f4fd945fba5c135f742bd8f1c1896c33c8 (plain)
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

import json
import os
import os.path
import re
import sys
from collections import defaultdict
from distutils.command.build_scripts import build_scripts as BuildScripts
from distutils.command.sdist import sdist as SDist

try:
    from setuptools import setup, find_packages
    from setuptools.command.build_py import build_py as BuildPy
    from setuptools.command.install_lib import install_lib as InstallLib
    from setuptools.command.install_scripts import install_scripts as InstallScripts
except ImportError:
    print("Ansible now needs setuptools in order to build. Install it using"
          " your package manager (usually python-setuptools) or via pip (pip"
          " install setuptools).")
    sys.exit(1)

sys.path.insert(0, os.path.abspath('lib'))
from ansible.release import __version__, __author__


SYMLINK_CACHE = 'SYMLINK_CACHE.json'


def _find_symlinks(topdir, extension=''):
    """Find symlinks that should be maintained

    Maintained symlinks exist in the bin dir or are modules which have
    aliases.  Our heuristic is that they are a link in a certain path which
    point to a file in the same directory.
    """
    symlinks = defaultdict(list)
    for base_path, dirs, files in os.walk(topdir):
        for filename in files:
            filepath = os.path.join(base_path, filename)
            if os.path.islink(filepath) and filename.endswith(extension):
                target = os.readlink(filepath)
                if os.path.dirname(target) == '':
                    link = filepath[len(topdir):]
                    if link.startswith('/'):
                        link = link[1:]
                    symlinks[os.path.basename(target)].append(link)
    return symlinks


def _cache_symlinks(symlink_data):
    with open(SYMLINK_CACHE, 'w') as f:
        f.write(json.dumps(symlink_data))


def _maintain_symlinks(symlink_type, base_path):
    """Switch a real file into a symlink"""
    try:
        # Try the cache first because going from git checkout to sdist is the
        # only time we know that we're going to cache correctly
        with open(SYMLINK_CACHE, 'r') as f:
            symlink_data = json.loads(f.read())
    except (IOError, OSError) as e:
        # IOError on py2, OSError on py3.  Both have errno
        if e.errno == 2:
            # SYMLINKS_CACHE doesn't exist.  Fallback to trying to create the
            # cache now.  Will work if we're running directly from a git
            # checkout or from an sdist created earlier.
            symlink_data = {'script': _find_symlinks('bin'),
                            'library': _find_symlinks('lib', '.py'),
                            }

            # Sanity check that something we know should be a symlink was
            # found.  We'll take that to mean that the current directory
            # structure properly reflects symlinks in the git repo
            if 'ansible-playbook' in symlink_data['script']['ansible']:
                _cache_symlinks(symlink_data)
            else:
                raise
        else:
            raise
    symlinks = symlink_data[symlink_type]

    for source in symlinks:
        for dest in symlinks[source]:
            dest_path = os.path.join(base_path, dest)
            if not os.path.islink(dest_path):
                try:
                    os.unlink(dest_path)
                except OSError as e:
                    if e.errno == 2:
                        # File does not exist which is all we wanted
                        pass
                os.symlink(source, dest_path)


class BuildPyCommand(BuildPy):
    def run(self):
        BuildPy.run(self)
        _maintain_symlinks('library', self.build_lib)


class BuildScriptsCommand(BuildScripts):
    def run(self):
        BuildScripts.run(self)
        _maintain_symlinks('script', self.build_dir)


class InstallLibCommand(InstallLib):
    def run(self):
        InstallLib.run(self)
        _maintain_symlinks('library', self.install_dir)


class InstallScriptsCommand(InstallScripts):
    def run(self):
        InstallScripts.run(self)
        _maintain_symlinks('script', self.install_dir)


class SDistCommand(SDist):
    def run(self):
        # have to generate the cache of symlinks for release as sdist is the
        # only command that has access to symlinks from the git repo
        symlinks = {'script': _find_symlinks('bin'),
                    'library': _find_symlinks('lib', '.py'),
                    }
        _cache_symlinks(symlinks)

        SDist.run(self)


with open('requirements.txt') as requirements_file:
    install_requirements = requirements_file.read().splitlines()
    if not install_requirements:
        print("Unable to read requirements from the requirements.txt file"
              "That indicates this copy of the source code is incomplete.")
        sys.exit(2)

# pycrypto or cryptography.   We choose a default but allow the user to
# override it.  This translates into pip install of the sdist deciding what
# package to install and also the runtime dependencies that pkg_resources
# knows about
crypto_backend = os.environ.get('ANSIBLE_CRYPTO_BACKEND', None)
if crypto_backend:
    if crypto_backend.strip() == 'pycrypto':
        # Attempt to set version requirements
        crypto_backend = 'pycrypto >= 2.6'

    install_requirements = [r for r in install_requirements if not (r.lower().startswith('pycrypto') or r.lower().startswith('cryptography'))]
    install_requirements.append(crypto_backend)

# specify any extra requirements for installation
extra_requirements = dict()
extra_requirements_dir = 'packaging/requirements'
for extra_requirements_filename in os.listdir(extra_requirements_dir):
    filename_match = re.search(r'^requirements-(\w*).txt$', extra_requirements_filename)
    if filename_match:
        with open(os.path.join(extra_requirements_dir, extra_requirements_filename)) as extra_requirements_file:
            extra_requirements[filename_match.group(1)] = extra_requirements_file.read().splitlines()


setup(
    # Use the distutils SDist so that symlinks are not expanded
    # Use a custom Build for the same reason
    cmdclass={
        'build_py': BuildPyCommand,
        'build_scripts': BuildScriptsCommand,
        'install_lib': InstallLibCommand,
        'install_scripts': InstallScriptsCommand,
        'sdist': SDistCommand,
    },
    name='ansible',
    version=__version__,
    description='Radically simple IT automation',
    author=__author__,
    author_email='info@ansible.com',
    url='https://ansible.com/',
    license='GPLv3+',
    # Ansible will also make use of a system copy of python-six and
    # python-selectors2 if installed but use a Bundled copy if it's not.
    install_requires=install_requirements,
    package_dir={'': 'lib'},
    packages=find_packages('lib'),
    package_data={
        '': [
            'module_utils/powershell/*.psm1',
            'module_utils/powershell/*/*.psm1',
            'modules/windows/*.ps1',
            'modules/windows/*/*.ps1',
            'galaxy/data/*/*.*',
            'galaxy/data/*/*/.*',
            'galaxy/data/*/*/*.*',
            'galaxy/data/*/tests/inventory',
            'config/base.yml',
        ],
    },
    classifiers=[
        'Development Status :: 5 - Production/Stable',
        'Environment :: Console',
        'Intended Audience :: Developers',
        'Intended Audience :: Information Technology',
        'Intended Audience :: System Administrators',
        'License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)',
        'Natural Language :: English',
        'Operating System :: POSIX',
        'Programming Language :: Python :: 2.6',
        'Programming Language :: Python :: 2.7',
        'Topic :: System :: Installation/Setup',
        'Topic :: System :: Systems Administration',
        'Topic :: Utilities',
    ],
    scripts=[
        'bin/ansible',
        'bin/ansible-playbook',
        'bin/ansible-pull',
        'bin/ansible-doc',
        'bin/ansible-galaxy',
        'bin/ansible-console',
        'bin/ansible-connection',
        'bin/ansible-vault',
    ],
    data_files=[],
    extras_require=extra_requirements
)