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importos, re, sys, subprocess
importtarfile
fromdistutilsimportlog, sysconfig, version
try:
fromurlparseimporturlsplit, urljoin
fromurllibimporturlretrieve
exceptImportError:
fromurllib.parseimporturlsplit, urljoin
fromurllib.requestimporturlretrieve
multi_make_options= []
try:
importmultiprocessing
cpus=multiprocessing.cpu_count()
ifcpus>1:
ifcpus>5:
cpus=5
multi_make_options= ['-j%d'% (cpus+1)]
except:
pass
# use pre-built libraries on Windows
defdownload_and_extract_zlatkovic_binaries(destdir):
url='ftp://ftp.zlatkovic.com/pub/libxml/'
libs=dict(
libxml2=None,
libxslt=None,
zlib=None,
iconv=None,
)
forfninftp_listdir(url):
forlibnameinlibs:
iffn.startswith(libname):
assertlibs[libname] isNone, 'duplicate listings?'
assertfn.endswith('.win32.zip')
libs[libname] =fn
ifnotos.path.exists(destdir): os.makedirs(destdir)
forlibname, libfninlibs.items():
srcfile=urljoin(url, libfn)
destfile=os.path.join(destdir, libfn)
print('Retrieving "%s" to "%s"'% (srcfile, destfile))
urlretrieve(srcfile, destfile)
d=unpack_zipfile(destfile, destdir)
libs[libname] =d
returnlibs
deffind_top_dir_of_zipfile(zipfile):
topdir=None
files= [f.filenameforfinzipfile.filelist]
dirs= [dfordinfilesifd.endswith('/')]
ifdirs:
dirs.sort(key=len)
topdir=dirs[0]
topdir=topdir[:topdir.index("/")+1]
forpathinfiles:
ifnotpath.startswith(topdir):
topdir=None
break
asserttopdir, (
"cannot determine single top-level directory in zip file %s"%
zipfile.filename)
returntopdir.rstrip('/')
defunpack_zipfile(zipfn, destdir):
assertzipfn.endswith('.zip')
importzipfile
print('Unpacking %s into %s'% (os.path.basename(zipfn), destdir))
f=zipfile.ZipFile(zipfn)
try:
extracted_dir=os.path.join(destdir, find_top_dir_of_zipfile(f))
f.extractall(path=destdir)
finally:
f.close()
assertos.path.exists(extracted_dir), 'missing: %s'%extracted_dir
returnextracted_dir
defget_prebuilt_libxml2xslt(download_dir, static_include_dirs, static_library_dirs):
assertsys.platform.startswith('win')
libs=download_and_extract_zlatkovic_binaries(download_dir)
forlibname, pathinlibs.items():
i=os.path.join(path, 'include')
l=os.path.join(path, 'lib')
assertos.path.exists(i), 'does not exist: %s'%i
assertos.path.exists(l), 'does not exist: %s'%l
static_include_dirs.append(i)
static_library_dirs.append(l)
## Routines to download and build libxml2/xslt from sources:
LIBXML2_LOCATION='ftp://xmlsoft.org/libxml2/'
LIBICONV_LOCATION='ftp://ftp.gnu.org/pub/gnu/libiconv/'
match_libfile_version=re.compile('^[^-]*-([.0-9-]+)[.].*').match
defftp_listdir(url):
importftplib, posixpath
scheme, netloc, path, qs, fragment=urlsplit(url)
assertscheme.lower() =='ftp'
server=ftplib.FTP(netloc)
server.login()
files= [posixpath.basename(fn) forfninserver.nlst(path)]
returnfiles
deftryint(s):
try:
returnint(s)
exceptValueError:
returns
defdownload_libxml2(dest_dir, version=None):
"""Downloads libxml2, returning the filename where the library was downloaded"""
version_re=re.compile(r'^LATEST_LIBXML2_IS_(.*)$')
filename='libxml2-%s.tar.gz'
returndownload_library(dest_dir, LIBXML2_LOCATION, 'libxml2',
version_re, filename, version=version)
defdownload_libxslt(dest_dir, version=None):
"""Downloads libxslt, returning the filename where the library was downloaded"""
version_re=re.compile(r'^LATEST_LIBXSLT_IS_(.*)$')
filename='libxslt-%s.tar.gz'
returndownload_library(dest_dir, LIBXML2_LOCATION, 'libxslt',
version_re, filename, version=version)
defdownload_libiconv(dest_dir, version=None):
"""Downloads libiconv, returning the filename where the library was downloaded"""
version_re=re.compile(r'^libiconv-([0-9.]+[0-9]).tar.gz$')
filename='libiconv-%s.tar.gz'
returndownload_library(dest_dir, LIBICONV_LOCATION, 'libiconv',
version_re, filename, version=version)
defdownload_library(dest_dir, location, name, version_re, filename,
version=None):
ifversionisNone:
try:
fns=ftp_listdir(location)
versions= []
forfninfns:
match=version_re.search(fn)
ifmatch:
version_string=match.group(1)
versions.append((tuple(map(tryint, version_string.split('.'))),
version_string))
ifversions:
versions.sort()
version=versions[-1][-1]
print('Latest version of %s is %s'% (name, version))
else:
raiseException(
"Could not find the most current version of the %s from the files: %s"
% (name, fns))
exceptIOError:
# network failure - maybe we have the files already?
latest= (0,0,0)
fns=os.listdir(dest_dir)
forfninfns:
iffn.startswith(name+'-'):
match=match_libfile_version(fn)
ifmatch:
version_tuple=tuple(map(tryint, match.group(1).split('.')))
ifversion_tuple>latest:
latest=version_tuple
filename=fn
version=None
iflatest== (0,0,0):
raise
ifversion:
filename=filename%version
full_url=urljoin(location, filename)
dest_filename=os.path.join(dest_dir, filename)
ifos.path.exists(dest_filename):
print('Using existing %s downloaded into %s (delete this file if you want to re-download the package)'
% (name, dest_filename))
else:
print('Downloading %s into %s'% (name, dest_filename))
urlretrieve(full_url, dest_filename)
returndest_filename
defunpack_tarball(tar_filename, dest):
print('Unpacking %s into %s'% (os.path.basename(tar_filename), dest))
tar=tarfile.open(tar_filename)
base_dir=None
formemberintar:
base_name=member.name.split('/')[0]
ifbase_dirisNone:
base_dir=base_name
else:
ifbase_dir!=base_name:
print('Unexpected path in %s: %s'% (tar_filename, base_name))
tar.extractall(dest)
tar.close()
returnos.path.join(dest, base_dir)
defcall_subprocess(cmd, **kw):
try:
fromsubprocessimportproc_call
exceptImportError:
# no subprocess for Python 2.3
defproc_call(cmd, **kwargs):
cwd=kwargs.get('cwd', '.')
old_cwd=os.getcwd()
try:
os.chdir(cwd)
returnos.system(' '.join(cmd))
finally:
os.chdir(old_cwd)
cwd=kw.get('cwd', '.')
cmd_desc=' '.join(cmd)
log.info('Running "%s" in %s'% (cmd_desc, cwd))
returncode=proc_call(cmd, **kw)
ifreturncode:
raiseException('Command "%s" returned code %s'% (cmd_desc, returncode))
defsafe_mkdir(dir):
ifnotos.path.exists(dir):
os.makedirs(dir)
defcmmi(configure_cmd, build_dir, multicore=None, **call_setup):
print('Starting build in %s'%build_dir)
call_subprocess(configure_cmd, cwd=build_dir, **call_setup)
ifnotmulticore:
make_jobs=multi_make_options
elifint(multicore) >1:
make_jobs= ['-j%s'%multicore]
else:
make_jobs= []
call_subprocess(
['make'] +make_jobs,
cwd=build_dir, **call_setup)
call_subprocess(
['make'] +make_jobs+ ['install'],
cwd=build_dir, **call_setup)
defconfigure_darwin_env(env_setup):
importplatform
# check target architectures on MacOS-X (ppc, i386, x86_64)
major_version, minor_version=tuple(map(int, platform.mac_ver()[0].split('.')[:2]))
ifmajor_version>7:
# Check to see if ppc is supported (XCode4 drops ppc support)
include_ppc=True
ifos.path.exists('/usr/bin/xcodebuild'):
pipe=subprocess.Popen(['/usr/bin/xcodebuild', '-version'], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
out, _=pipe.communicate()
xcode_version= (out.decode('utf8').splitlines() or [''])[0]
# Also parse only first digit, because 3.2.1 can't be parsed nicely
if (xcode_version.startswith('Xcode') and
version.StrictVersion(xcode_version.split()[1]) >=version.StrictVersion('4.0')):
include_ppc=False
arch_string=""
ifinclude_ppc:
arch_string="-arch ppc "
ifminor_version<6:
env_default= {
'CFLAGS' : arch_string+"-arch i386 -isysroot /Developer/SDKs/MacOSX10.4u.sdk -O2",
'LDFLAGS' : arch_string+"-arch i386 -isysroot /Developer/SDKs/MacOSX10.4u.sdk",
'MACOSX_DEPLOYMENT_TARGET' : "10.3"
}
else:
env_default= {
'CFLAGS' : arch_string+"-arch i386 -arch x86_64 -O2",
'LDFLAGS' : arch_string+"-arch i386 -arch x86_64",
'MACOSX_DEPLOYMENT_TARGET' : "10.6"
}
env=os.environ.copy()
env_default.update(env)
env_setup['env'] =env_default
defbuild_libxml2xslt(download_dir, build_dir,
static_include_dirs, static_library_dirs,
static_cflags, static_binaries,
libxml2_version=None, libxslt_version=None, libiconv_version=None,
multicore=None):
safe_mkdir(download_dir)
safe_mkdir(build_dir)
libiconv_dir=unpack_tarball(download_libiconv(download_dir, libiconv_version), build_dir)
libxml2_dir=unpack_tarball(download_libxml2(download_dir, libxml2_version), build_dir)
libxslt_dir=unpack_tarball(download_libxslt(download_dir, libxslt_version), build_dir)
prefix=os.path.join(os.path.abspath(build_dir), 'libxml2')
safe_mkdir(prefix)
call_setup= {}
ifsys.platform=='darwin':
configure_darwin_env(call_setup)
configure_cmd= ['./configure',
'--disable-dependency-tracking',
'--disable-shared',
'--prefix=%s'%prefix,
]
# build libiconv
cmmi(configure_cmd, libiconv_dir, multicore, **call_setup)
# build libxml2
libxml2_configure_cmd=configure_cmd+ [
'--without-python',
'--with-iconv=%s'%prefix]
try:
iflibxml2_versionandtuple(map(tryint, libxml2_version.split('.'))) >= (2,7,3):
libxml2_configure_cmd.append('--enable-rebuild-docs=no')
exceptException:
pass# this isn't required, so ignore any errors
cmmi(libxml2_configure_cmd, libxml2_dir, multicore, **call_setup)
# build libxslt
libxslt_configure_cmd=configure_cmd+ [
'--without-python',
'--with-libxml-prefix=%s'%prefix,
]
ifsys.platformin ('darwin',):
libxslt_configure_cmd+= [
'--without-crypto',
]
cmmi(libxslt_configure_cmd, libxslt_dir, multicore, **call_setup)
# collect build setup for lxml
xslt_config=os.path.join(prefix, 'bin', 'xslt-config')
xml2_config=os.path.join(prefix, 'bin', 'xml2-config')
lib_dir=os.path.join(prefix, 'lib')
static_include_dirs.extend([
os.path.join(prefix, 'include'),
os.path.join(prefix, 'include', 'libxml2'),
os.path.join(prefix, 'include', 'libxslt'),
os.path.join(prefix, 'include', 'libexslt')])
static_library_dirs.append(lib_dir)
listdir=os.listdir(lib_dir)
static_binaries+= [os.path.join(lib_dir, filename)
forlibin ['libxml2', 'libexslt', 'libxslt', 'iconv']
forfilenameinlistdir
iflibinfilenameandfilename.endswith('.a')]
return (xml2_config, xslt_config)