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|
# # header
# coding: utf-8
from __future__ import print_function
if __name__ != '__main__':
raise NotImplementedError('should never include setup.py')
# # definitions
full_package_name = None
# # __init__.py parser
import sys
import platform
from _ast import * # NOQA
from ast import parse
if sys.version_info < (3, ):
string_type = basestring
else:
string_type = str
if sys.version_info < (3, 4):
class Bytes():
pass
class NameConstant:
pass
if sys.version_info < (2, 7) or platform.python_implementation() == 'Jython':
class Set():
pass
def literal_eval(node_or_string):
"""
Safely evaluate an expression node or a string containing a Python
expression. The string or node provided may only consist of the following
Python literal structures: strings, bytes, numbers, tuples, lists, dicts,
sets, booleans, and None.
"""
_safe_names = {'None': None, 'True': True, 'False': False}
if isinstance(node_or_string, string_type):
node_or_string = parse(node_or_string, mode='eval')
if isinstance(node_or_string, Expression):
node_or_string = node_or_string.body
else:
raise TypeError("only string or AST nodes supported")
def _convert(node):
if isinstance(node, (Str, Bytes)):
return node.s
elif isinstance(node, Num):
return node.n
elif isinstance(node, Tuple):
return tuple(map(_convert, node.elts))
elif isinstance(node, List):
return list(map(_convert, node.elts))
elif isinstance(node, Set):
return set(map(_convert, node.elts))
elif isinstance(node, Dict):
return dict((_convert(k), _convert(v)) for k, v
in zip(node.keys, node.values))
elif isinstance(node, NameConstant):
return node.value
elif sys.version_info < (3, 4) and isinstance(node, Name):
if node.id in _safe_names:
return _safe_names[node.id]
elif isinstance(node, UnaryOp) and \
isinstance(node.op, (UAdd, USub)) and \
isinstance(node.operand, (Num, UnaryOp, BinOp)): # NOQA
operand = _convert(node.operand)
if isinstance(node.op, UAdd):
return + operand
else:
return - operand
elif isinstance(node, BinOp) and \
isinstance(node.op, (Add, Sub)) and \
isinstance(node.right, (Num, UnaryOp, BinOp)) and \
isinstance(node.left, (Num, UnaryOp, BinOp)): # NOQA
left = _convert(node.left)
right = _convert(node.right)
if isinstance(node.op, Add):
return left + right
else:
return left - right
elif isinstance(node, Call):
func_id = getattr(node.func, 'id', None)
if func_id == 'dict':
return dict((k.arg, _convert(k.value)) for k in node.keywords)
elif func_id == 'set':
return set(_convert(node.args[0]))
elif func_id == 'date':
return datetime.date(*[_convert(k) for k in node.args])
elif func_id == 'datetime':
return datetime.datetime(*[_convert(k) for k in node.args])
err = SyntaxError('malformed node or string: ' + repr(node))
err.filename = '<string>'
err.lineno = node.lineno
err.offset = node.col_offset
err.text = repr(node)
err.node = node
raise err
return _convert(node_or_string)
# parses python ( "= dict( )" ) or ( "= {" )
def _package_data(fn):
data = {}
with open(fn) as fp:
parsing = False
lines = []
for line in fp.readlines():
if sys.version_info < (3,):
line = line.decode('utf-8')
if line.startswith(u'_package_data'):
if 'dict(' in line:
parsing = 'python'
lines.append(u'dict(\n')
elif line.endswith(u'= {\n'):
parsing = 'python'
lines.append(u'{\n')
else:
raise NotImplementedError
continue
if not parsing:
continue
if parsing == 'python':
if line.startswith(u')') or line.startswith(u'}'):
lines.append(line)
try:
data = literal_eval(u''.join(lines))
except SyntaxError as e:
context = 2
from_line = e.lineno - (context + 1)
to_line = e.lineno + (context - 1)
w = len(str(to_line))
for index, line in enumerate(lines):
if from_line <= index <= to_line:
print(u"{:{}}: {}".format(index, w, line), end=u'')
if index == e.lineno - 1:
print(u"{:{}} {}^--- {}".format(
u' ', w, u' ' * e.offset, e.node))
raise
break
lines.append(line)
else:
raise NotImplementedError
return data
# make sure you can run "python ../some/dir/setup.py install"
pkg_data = _package_data(__file__.replace('setup.py', '__init__.py'))
exclude_files = [
'setup.py',
]
# # imports
import os
from setuptools import setup, Extension, Distribution # NOQA
from setuptools.command import install_lib
# # helper
def _check_convert_version(tup):
"""Create a PEP 386 pseudo-format conformant string from tuple tup."""
ret_val = str(tup[0]) # first is always digit
next_sep = "." # separator for next extension, can be "" or "."
nr_digits = 0 # nr of adjacent digits in rest, to verify
post_dev = False # are we processig post/dev
for x in tup[1:]:
if isinstance(x, int):
nr_digits += 1
if nr_digits > 2:
raise ValueError("too many consecutive digits " + ret_val)
ret_val += next_sep + str(x)
next_sep = '.'
continue
first_letter = x[0].lower()
next_sep = ''
if first_letter in 'abcr':
if post_dev:
raise ValueError("release level specified after "
"post/dev:" + x)
nr_digits = 0
ret_val += 'rc' if first_letter == 'r' else first_letter
elif first_letter in 'pd':
nr_digits = 1 # only one can follow
post_dev = True
ret_val += '.post' if first_letter == 'p' else '.dev'
else:
raise ValueError('First letter of "' + x + '" not recognised')
return ret_val
version_info = pkg_data['version_info']
version_str = _check_convert_version(version_info)
class MyInstallLib(install_lib.install_lib):
def install(self):
fpp = pkg_data['full_package_name'].split('.') # full package path
full_exclude_files = [os.path.join(*(fpp + [x]))
for x in exclude_files]
alt_files = []
outfiles = install_lib.install_lib.install(self)
for x in outfiles:
for full_exclude_file in full_exclude_files:
if full_exclude_file in x:
os.remove(x)
break
else:
alt_files.append(x)
return alt_files
class NameSpacePackager(object):
def __init__(self, pkg_data):
assert isinstance(pkg_data, dict)
self._pkg_data = pkg_data
self.full_package_name = self.pn(self._pkg_data['full_package_name'])
self._split = None
self.depth = self.full_package_name.count('.')
self.command = None
self._pkg = [None, None] # required and pre-installable packages
if sys.argv[0] == 'setup.py' and sys.argv[1] == 'install' and \
'--single-version-externally-managed' not in sys.argv:
print('error: you have to install with "pip install ."')
sys.exit(1)
# If you only support an extension module on Linux, Windows thinks it
# is pure. That way you would get pure python .whl files that take
# precedence for downloading on Linux over source with compilable C
if self._pkg_data.get('universal'):
Distribution.is_pure = lambda *args: True
else:
Distribution.is_pure = lambda *args: False
for x in sys.argv:
if x[0] == '-' or x == 'setup.py':
continue
self.command = x
break
def pn(self, s):
if sys.version_info < (3, ) and isinstance(s, unicode):
return s.encode('utf-8')
return s
@property
def split(self):
"""split the full package name in list of compontents traditionally
done by setuptools.find_packages. This routine skips any directories
with __init__.py that start with "_" or ".", or contain a
setup.py/tox.ini (indicating a subpackage)
"""
if self._split is None:
fpn = self.full_package_name.split('.')
self._split = []
while fpn:
self._split.insert(0, '.'.join(fpn))
fpn = fpn[:-1]
for d in os.listdir('.'):
if not os.path.isdir(d) or d == self._split[0] or d[0] in '._':
continue
# prevent sub-packages in namespace from being included
x = os.path.join(d, 'setup.py')
if os.path.exists(x):
if not os.path.exists(os.path.join(d, 'tox.ini')):
print('\n>>>>> found "{0}" without tox.ini <<<<<\n'
''.format(x))
continue
x = os.path.join(d, '__init__.py')
if os.path.exists(x):
self._split.append(self.full_package_name + '.' + d)
return self._split
@property
def namespace_packages(self):
return self.split[:self.depth]
def namespace_directories(self, depth=None):
"""return list of directories where the namespace should be created /
can be found
"""
res = []
for index, d in enumerate(self.split[:depth]):
# toplevel gets a dot
if index > 0:
d = os.path.join(*d.split('.'))
res.append('.' + d)
return res
@property
def package_dir(self):
d = {
# don't specify empty dir, clashes with package_data spec
self.full_package_name: '.',
}
if len(self.split) > 1: # only if package namespace
d[self.split[0]] = self.namespace_directories(1)[0]
return d
def create_dirs(self):
"""create the directories necessary for namespace packaging"""
directories = self.namespace_directories(self.depth)
if not directories:
return
if not os.path.exists(directories[0]):
for d in directories:
os.mkdir(d)
with open(os.path.join(d, '__init__.py'), 'w') as fp:
fp.write('import pkg_resources\n'
'pkg_resources.declare_namespace(__name__)\n')
def check(self):
try:
from pip.exceptions import InstallationError
except ImportError:
return
# arg is either develop (pip install -e) or install
if self.command not in ['install', 'develop']:
return
# if hgi and hgi.base are both in namespace_packages matching
# against the top (hgi.) it suffices to find minus-e and non-minus-e
# installed packages. As we don't know the order in namespace_packages
# do some magic
prefix = self.split[0]
prefixes = set([prefix, prefix.replace('_', '-')])
for p in sys.path:
if not p:
continue # directory with setup.py
if os.path.exists(os.path.join(p, 'setup.py')):
continue # some linked in stuff might not be hgi based
if not os.path.isdir(p):
continue
if p.startswith('/tmp/'):
continue
for fn in os.listdir(p):
for pre in prefixes:
if fn.startswith(pre):
break
else:
continue
full_name = os.path.join(p, fn)
# not in prefixes the toplevel is never changed from _ to -
if fn == prefix and os.path.isdir(full_name):
# directory -> other, non-minus-e, install
if self.command == 'develop':
raise InstallationError(
'Cannot mix develop (pip install -e),\nwith '
'non-develop installs for package name {0}'.format(
fn))
elif fn == prefix:
raise InstallationError(
'non directory package {0} in {1}'.format(
fn, p))
for pre in [x + '.' for x in prefixes]:
if fn.startswith(pre):
break
else:
continue # hgiabc instead of hgi.
if fn.endswith('-link') and self.command == 'install':
raise InstallationError(
'Cannot mix non-develop with develop\n(pip install -e)'
' installs for package name {0}'.format(fn))
def entry_points(self, script_name=None, package_name=None):
ep = self._pkg_data.get('entry_points', True)
if ep is None:
return None
if ep not in [True, 1]:
return {'console_scripts': [ep]}
if package_name is None:
package_name = self.full_package_name
if not script_name:
script_name = package_name.split('.')[-1]
return {'console_scripts': [
'{0} = {1}:main'.format(script_name, package_name),
]}
@property
def url(self):
if self.full_package_name.startswith('ruamel.'):
sp = self.full_package_name.split('.', 1)
else:
sp = ['ruamel', self.full_package_name]
return 'https://bitbucket.org/{0}/{1}'.format(*sp)
@property
def author(self):
return self._pkg_data['author']
@property
def author_email(self):
return self._pkg_data['author_email']
@property
def license(self):
lic = self._pkg_data.get('license')
if lic is None:
# lic_fn = os.path.join(os.path.dirname(__file__), 'LICENSE')
# assert os.path.exists(lic_fn)
return "MIT license"
return license
@property
def description(self):
return self._pkg_data['description']
@property
def status(self):
# αβ
status = self._pkg_data.get('status', u'β')
if status == u'α':
return (3, 'Alpha')
elif status == u'β':
return (4, 'Beta')
elif u'stable' in status.lower():
return (5, 'Production/Stable')
raise NotImplementedError
@property
def classifiers(self):
return [
'Development Status :: {0} - {1}'.format(*self.status),
'Intended Audience :: Developers',
'License :: ' + ('Other/Proprietary License'
if self.pn(self._pkg_data.get('license')) else
'OSI Approved :: MIT License'),
'Operating System :: OS Independent',
'Programming Language :: Python',
] + [self.pn(x) for x in self._pkg_data.get('classifiers', [])]
@property
def install_requires(self):
"""list of packages required for installation"""
return self._analyse_packages[0]
@property
def install_pre(self):
"""list of packages required for installation"""
return self._analyse_packages[1]
@property
def _analyse_packages(self):
"""gather from configuration, names starting with * need
to be installed explicitly as they are not on PyPI
install_requires should be dict, with keys 'any', 'py27' etc
or a list (which is as if only 'any' was defined
"""
if self._pkg[0] is None:
self._pkg[0] = []
self._pkg[1] = []
ir = self._pkg_data.get('install_requires')
if ir is None:
return self._pkg # these will be both empty at this point
if isinstance(ir, list):
self._pkg[0] = ir
return self._pkg
# 'any' for all builds, 'py27' etc for specifics versions
packages = ir.get('any', [])
implementation = platform.python_implementation()
if implementation == 'CPython':
pyver = 'py{0}{1}'.format(*sys.version_info)
elif implementation == 'PyPy':
pyver = 'pypy' if sys.version_info < (3, ) else 'pypy3'
elif implementation == 'Jython':
pyver = 'jython'
packages.extend(ir.get(pyver, []))
for p in packages:
# package name starting with * means use local source tree, non-published
# to PyPi or maybe not latest version on PyPI -> pre-install
if p[0] == '*':
p = p[1:]
self._pkg[1].append(p)
self._pkg[0].append(p)
return self._pkg
@property
def data_files(self):
df = self._pkg_data.get('data_files', [])
if self._pkg_data.get('license') is None:
df.append('LICENSE')
if not df:
return None
return [('.', df), ]
@property
def package_data(self):
df = self._pkg_data.get('data_files', [])
if self._pkg_data.get('license') is None:
# include the file
df.append('LICENSE')
# but don't install it
exclude_files.append('LICENSE')
if not df:
return {}
return {self.full_package_name: df}
@property
def ext_modules(self):
"""check if the C module can be build by trying to compile a small
program against the libyaml development library"""
if hasattr(self, '_ext_modules'):
return self._ext_modules
if '--version' in sys.argv:
return None
if platform.python_implementation() == 'Jython':
return None
if sys.platform == "win32":
return None
import tempfile
import shutil
from textwrap import dedent
import distutils.sysconfig
import distutils.ccompiler
from distutils.errors import CompileError, LinkError
self._ext_modules = []
for target in self._pkg_data.get('ext_modules', []): # list of dicts
test_code = target.get('test')
libraries = [self.pn(x) for x in target.get('lib')]
ext = Extension(
self.pn(target['name']),
sources=[self.pn(x) for x in target['src']],
libraries=libraries,
)
if not test_code:
self._ext_modules.append(ext)
continue
# write a temporary .c file to compile
c_code = dedent(target['test'])
try:
tmp_dir = tempfile.mkdtemp(prefix='tmp_ruamel_')
bin_file_name = 'test' + self.pn(target['name'])
file_name = os.path.join(tmp_dir, bin_file_name + '.c')
with open(file_name, 'w') as fp:
fp.write(c_code)
# and try to compile it
compiler = distutils.ccompiler.new_compiler()
assert isinstance(compiler, distutils.ccompiler.CCompiler)
distutils.sysconfig.customize_compiler(compiler)
try:
compiler.link_executable(
compiler.compile(
[file_name],
output_dir='/', # as file_name has absolute prefix
),
bin_file_name,
output_dir=tmp_dir,
libraries=libraries,
)
except CompileError:
print('compile error:', file_name)
continue
except LinkError:
print('libyaml link error', file_name)
continue
self._ext_modules.append(ext)
except Exception as e: # NOQA
# print('Exception:', e)
pass
finally:
shutil.rmtree(tmp_dir)
return self._ext_modules
def wheel(self, kw, setup):
"""temporary add setup.cfg if creating a wheel to include LICENSE file
https://bitbucket.org/pypa/wheel/issues/47
"""
if 'bdist_wheel' not in sys.argv:
return
file_name = 'setup.cfg'
if os.path.exists(file_name): # add it if not in there?
return
with open(file_name, 'w') as fp:
if os.path.exists('LICENSE'):
fp.write('[metadata]\nlicense-file = LICENSE\n')
else:
print("\n\n>>>>>> LICENSE file not found <<<<<\n\n")
if self._pkg_data.get('universal'):
fp.write('[bdist_wheel]\nuniversal = 1\n')
try:
setup(**kw)
except:
raise
finally:
os.remove(file_name)
return True
# # call setup
def main():
nsp = NameSpacePackager(pkg_data)
nsp.check()
nsp.create_dirs()
kw = dict(
name=nsp.full_package_name,
namespace_packages=nsp.namespace_packages,
version=version_str,
packages=nsp.split,
url=nsp.url,
author=nsp.author,
author_email=nsp.author_email,
cmdclass={'install_lib': MyInstallLib},
package_dir=nsp.package_dir,
entry_points=nsp.entry_points(),
description=nsp.description,
install_requires=nsp.install_requires,
license=nsp.license,
classifiers=nsp.classifiers,
package_data=nsp.package_data,
ext_modules=nsp.ext_modules,
)
if '--version' not in sys.argv or '--verbose' in sys.argv:
for k in sorted(kw):
v = kw[k]
print(k, '->', v)
with open('README.rst') as fp:
kw['long_description'] = fp.read()
if nsp.wheel(kw, setup):
return
for x in ['-c', 'egg_info', '--egg-base', 'pip-egg-info']:
if x not in sys.argv:
break
else:
# we're doing a tox setup install any starred package by searching up the source tree
# until you match your/package/name for your.package.name
for p in nsp.install_pre:
import subprocess
# search other source
setup_path = os.path.join(*p.split('.') + ['setup.py'])
try_dir = os.path.dirname(sys.executable)
while len(try_dir) > 1:
full_path_setup_py = os.path.join(try_dir, setup_path)
if os.path.exists(full_path_setup_py):
pip = sys.executable.replace('python', 'pip')
cmd = [pip, 'install', os.path.dirname(full_path_setup_py)]
# with open('/var/tmp/notice', 'a') as fp:
# print('installing', cmd, file=fp)
subprocess.check_output(cmd)
break
try_dir = os.path.dirname(try_dir)
setup(**kw)
main()
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