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@edwardgeorge
Created July 11, 2011 22:22
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python libxml2 binding package for easy installation with pip/easy_install into a virtualenv
import os
import shutil
import subprocess
import sys
import tarfile
import urllib2
LIBXML2_PREFIX = "libxml2"
LIBXSLT_PREFIX = "libxslt"
LIBXML2_FTPURL = "ftp://xmlsoft.org/libxml2/"
LIBXSLT_FTPURL = "ftp://xmlsoft.org/libxslt/"
try:
p = subprocess.Popen(['xml2-config', '--version'], stdout=subprocess.PIPE)
except OSError, e:
raise
stdout, stderr = p.communicate()
assert p.returncode == 0
xml2_version = stdout.strip()
try:
p = subprocess.Popen(['xslt-config', '--version'], stdout=subprocess.PIPE)
stdout, stderr = p.communicate()
assert p.returncode == 0
xslt_version = stdout.strip()
except (OSError, AssertionError), e:
xslt_version = None
def open_from_urls(urls):
for url in urls:
try:
fobj = urllib2.urlopen(url)
except urllib2.URLError, e:
pass
if sys.version_info < (2, 6) and 'content-length' not in fobj.info():
# python 2.5 doesn't raise an error if doesn't exist,
# instead it gives you an empty file.
# we can probably be safe enough checking for the Content-length
# header instead of checking for an empty value from read()
pass
else:
return fobj
raise ValueError("no urls existed")
wdir = os.path.dirname(os.path.abspath(__file__))
xml2_base = "libxml2-%s" % xml2_version
xslt_base = xslt_version and "libxslt-%s" % xslt_version
print >> sys.stderr, 'downloading %s sources' % xml2_base
try:
f = open_from_urls(["%s%s.tar.gz" % (LIBXML2_FTPURL, xml2_base),
"%sold/%s.tar.gz" % (LIBXML2_FTPURL, xml2_base), ])
except ValueError, e:
print >> sys.stderr, "could not download %s sources" % xml2_base
sys.exit(1)
t = tarfile.open(f.geturl(), 'r|gz', fileobj=f)
t.extractall(path=wdir)
shutil.copy(os.path.join(wdir, xml2_base, 'doc', 'libxml2-api.xml'),
os.path.join(wdir, xml2_base, 'python'))
if xslt_version:
print >> sys.stderr, 'downloading %s sources' % xslt_base
try:
f = open_from_urls(["%s%s.tar.gz" % (LIBXSLT_FTPURL, xslt_base),
"%sold/%s.tar.gz" % (LIBXSLT_FTPURL, xslt_base), ])
except ValueError, e:
print >> sys.stderr, "could not download %s sources" % xslt_base
else:
t = tarfile.open(f.geturl(), 'r|gz', fileobj=f)
t.extractall(path=wdir)
for xsltfile, target in (('doc/libxslt-api.xml', None),
('python/generator.py', 'xsltgenerator.py'),
('python/libxslt-python-api.xml', None),
('python/libxsl.py', None),
('python/libxslt_wrap.h', None),
('python/libxslt.c', None)):
target = target or os.path.basename(xsltfile)
shutil.copy(os.path.join(wdir, xslt_base, xsltfile),
os.path.join(wdir, xml2_base, 'python', target))
pythondir = os.path.join(wdir, xml2_base, 'python')
for f in os.listdir(pythondir):
fn = os.path.join(pythondir, f)
shutil.move(fn, os.path.join(wdir, f))
exec(compile(open('setup.py').read().replace('\\r\\n', '\\n'),
'setup.py', 'exec'))
@Dakta
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Dakta commented Mar 6, 2014

Excellent, worked perfectly. Do you plan on submitting this to the Python Package Index, so users can pip install libxml2 easily?

@Euphorbium
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How can I install this in virtualenv? pip install libxml2 would be wonderful.

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