A first version of the obidistutils adapted to Python3

This commit is contained in:
2015-05-24 22:35:12 +02:00
parent 809e5ad56a
commit fdfa51a8c7
27 changed files with 1540 additions and 0 deletions
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'''
Created on 2 oct. 2014
@author: coissac
'''
import re
import os
import pip # @UnresolvedImport
from pip.utils import get_installed_distributions # @UnresolvedImport
from distutils.version import StrictVersion # @UnusedImport
from distutils.errors import DistutilsError
from distutils import log
class RequirementError(Exception):
pass
def is_installed(requirement):
requirement_project,requirement_relation,requirement_version = parse_package_requirement(requirement)
package = [x for x in get_installed_distributions() if x.project_name==requirement_project]
if len(package)==1:
if requirement_version is not None and requirement_relation is not None:
rep = (len(package)==1) and eval("StrictVersion('%s') %s StrictVersion('%s')" % (package[0].version,
requirement_relation,
requirement_version)
)
else:
rep=True
else:
rep=False
if rep:
if requirement_version is not None and requirement_relation is not None:
log.info("Look for package %s (%s%s) : ok version %s installed" % (requirement_project,
requirement_relation,
requirement_version,
package[0].version))
else:
log.info("Look for package %s : ok version %s installed" % (requirement_project,
package[0].version))
else:
if len(package)!=1:
log.info("Look for package %s (%s%s) : not installed" % (requirement_project,
requirement_relation,
requirement_version))
else:
log.info("Look for package %s (%s%s) : failed only version %s installed" % (requirement_project,
requirement_relation,
requirement_version,
package[0].version))
return rep
def get_requirements(requirementfile='requirements.txt'):
try:
requirements = open(requirementfile).readlines()
requirements = [x.strip() for x in requirements]
requirements = [x for x in requirements if x[0]!='-']
except IOError:
requirements = []
return requirements
def install_requirements(requirementfile='requirements.txt'):
install_something=False
requirements = get_requirements(requirementfile)
log.info("Required packages for the installation :")
for x in requirements:
ok = is_installed(x)
if not ok:
log.info(" Installing requirement : %s" % x)
pip_install_package(x)
install_something=True
return install_something
def check_requirements(requirementfile='requirements.txt'):
requirements = get_requirements(requirementfile)
log.info("Required packages for the installation :")
for x in requirements:
ok = is_installed(x)
if not ok:
raise RequirementError(" Missing requirement : %s -- Package installation stopped" % x)
def parse_package_requirement(requirement):
version_pattern = re.compile('[=><]+(.*)$')
project_pattern = re.compile('[^=><]+')
relationship_pattern = re.compile('[=><]+')
try:
requirement_project = project_pattern.search(requirement).group(0)
requirement_version = version_pattern.search(requirement)
if requirement_version is not None:
requirement_version=requirement_version.group(1)
requirement_relation= relationship_pattern.search(requirement)
if requirement_relation is not None:
requirement_relation=requirement_relation.group(0)
except:
raise DistutilsError("Requirement : %s not correctly formated" % requirement)
return requirement_project,requirement_relation,requirement_version
def get_package_requirement(package,requirementfile='requirements.txt'):
requirements = get_requirements(requirementfile)
req = [x for x in requirements
if x[0:len(package)]==package
]
if len(req)==1:
return req[0]
else:
return None
def pip_install_package(package,directory=None,upgrade=True):
log.info('installing %s in directory %s' % (package,str(directory)))
if 'http_proxy' in os.environ and 'https_proxy' not in os.environ:
os.environ['https_proxy']=os.environ['http_proxy']
args = ['install']
if upgrade:
args.append('--upgrade')
if 'http_proxy' in os.environ:
args.append('--proxy=%s' % os.environ['http_proxy'])
if directory is not None:
args.append('--target=%s' % directory)
args.append(package)
return pip.main(args)
@@ -0,0 +1,79 @@
'''
Created on 24 mai 2015
@author: coissac
'''
from distutils.version import StrictVersion
from distutils import sysconfig
import subprocess
import os
import glob
import re
from obidistutils.serenity.checksystem import is_windows_system
def is_python_version(path=None,minversion='3.4',maxversion=None):
'''
Checks that the python version is in the range {minversion,maxversion[
@param path: if None consider the running python
otherwise the python pointed by the path
@param minversion: the minimum version to consider
@param maxversion: the maximum version to consider (strictly inferior to)
@return: True if the python version match
@rtype: bool
'''
if path is None:
pythonversion = StrictVersion(sysconfig.get_python_version())
else:
command = """'%s' -c 'from distutils import sysconfig; """ \
"""print(sysconfig.get_python_version())'""" % path
p = subprocess.Popen(command,
shell=True,
stdout=subprocess.PIPE)
pythonversion=str(p.communicate()[0],'utf8').strip()
pythonversion = StrictVersion(pythonversion)
return ( pythonversion >=StrictVersion(minversion)
and ( maxversion is None
or pythonversion < StrictVersion(maxversion))
)
def lookfor_good_python(minversion='3.4',maxversion=None,followLink=False):
'''
Look for all python interpreters present in the system path that
match the version constraints.
@param minversion: the minimum version to consider
@param maxversion: the maximum version to consider (strictly inferior to)
@param followLink: a boolean value indicating if link must be substituted
by their real path.
@return: a list of path to interpreters
'''
exe = []
if not is_windows_system():
paths = os.environ['PATH'].split(os.pathsep)
for p in paths:
candidates = glob.glob(os.path.join(p,'python*'))
pexe = []
pythonpat=re.compile('python([0-9]|[0-9]\.[0-9])?$')
for e in candidates:
print(e)
if pythonpat.search(e) is not None:
if followLink and os.path.islink(e):
e = os.path.realpath(e)
if (os.path.isfile(e) and
os.access(e, os.X_OK) and
is_python_version(e,minversion,maxversion)):
pexe.append(e)
exe.extend(set(pexe))
return exe
@@ -0,0 +1,18 @@
'''
Created on 24 mai 2015
@author: coissac
'''
from distutils import util
def is_mac_system():
platform = util.get_platform().split('-')[0]
return platform=='macosx'
def is_windows_system():
platform = util.get_platform().split('-')[0]
return platform=='Windows'
@@ -0,0 +1,14 @@
'''
Created on 24 mai 2015
@author: coissac
'''
saved_args=[]
tmpdir=[]
local_pip=[]
local_virtualenv=[]
local_cython=[]
local_serenity=[]
@@ -0,0 +1,59 @@
'''
Created on 24 mai 2015
@author: coissac
'''
import sys
import os
from distutils import log
from distutils.errors import DistutilsError
from obidistutils.serenity.globals import saved_args
from obidistutils.serenity.checkpython import is_python_version,\
lookfor_good_python
def rerun_with_anothe_python(path, minversion='3.4',maxversion=None, fork=False):
if saved_args:
args = saved_args
else:
args = list(sys.argv)
assert is_python_version(path,minversion,maxversion), \
'the selected python is not adapted to the installation of this package'
args.insert(0, path)
sys.stderr.flush()
sys.stdout.flush()
if fork:
log.info('Forking a new install process')
os.system(' '.join(list(args)))
log.info('External process ended')
sys.exit(0)
else:
os.execv(path,list(args))
def enforce_good_python(minversion='3.4',maxversion=None, fork=False):
if is_python_version(minversion=minversion,maxversion=maxversion):
return True
goodpython = lookfor_good_python(minversion,maxversion)
if not goodpython:
raise DistutilsError('No good python identified on your system')
goodpython=goodpython[0]
log.warn("========================================")
log.warn("")
log.warn(" Switching to python : %s" % goodpython)
log.warn("")
log.warn("========================================")
rerun_with_anothe_python(goodpython)
@@ -0,0 +1,35 @@
'''
Created on 2 oct. 2014
@author: coissac
'''
snake ="""
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(-.___.-)
(-.___.-)
`-.___.-'
(( @ @| . __
\ ` | ,\ |`. @| | | _.-._
__`.`=-=mm===mm:: | | |`. | | | ,'=` '=`.
( `-'|:/ /:/ `/ @| | | |, @| @| /---)W(---\
\ \ / / / / @| | ' (----| |----) ,~
|\ \ / /| / / @| \---| |---/ |
| \ V /||/ / `.-| |-,' |
| `-' |V / \| |/ @'
| , |-' __| |__
| .;: _,-. ,--""..| |..""--.
;;:::' " ) (`--::__|_|__::--')
,-" _, / \`--...___...--'/
( -:--'/ / /`--...___...--'\
"-._ `"'._/ /`---...___...---'\
"-._ "---. (`---....___....---')
.' ",._ ,' ) |`---....___....---'|
/`._| `| | (`---....___....---')
( \ | / \`---...___...---'/
`. `, ^"" `:--...___...--;'
`.,' hh `-._______.-'
"""