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xmlsec_extra.py
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98 lines (83 loc) · 3.09 KB
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import os
import sys
try:
from urlparse import urljoin
from urllib import urlretrieve, urlcleanup
except ImportError:
from urllib.parse import urljoin
from urllib.request import urlretrieve, urlcleanup
# use pre-built libraries on Windows
def get_prebuilt_libs(download_dir, static_include_dirs, static_library_dirs):
assert sys.platform.startswith('win')
libs = download_and_extract_windows_binaries(download_dir)
for ln, path in libs.items():
if ln == 'xmlsec1':
i = os.path.join(path, 'include', 'xmlsec1')
else:
i = os.path.join(path, 'include')
l = os.path.join(path, 'lib')
assert os.path.exists(i), 'does not exist: %s' % i
assert os.path.exists(l), 'does not exist: %s' % l
static_include_dirs.append(i)
static_library_dirs.append(l)
def download_and_extract_windows_binaries(destdir):
url = "https://github.com/bgaifullin/libxml2-win-binaries/releases/download/v2018.08/"
if sys.version_info < (3, 5):
if sys.maxsize > 2147483647:
suffix = "vs2008.win64"
else:
suffix = "vs2008.win32"
else:
if sys.maxsize > 2147483647:
suffix = "win64"
else:
suffix = "win32"
libs = {
'libxml2': 'libxml2-2.9.4.{}.zip'.format(suffix),
'libxslt': 'libxslt-1.1.29.{}.zip'.format(suffix),
'zlib': 'zlib-1.2.8.{}.zip'.format(suffix),
'iconv': 'iconv-1.14.{}.zip'.format(suffix),
'openssl': 'openssl-1.0.1.{}.zip'.format(suffix),
'xmlsec': 'xmlsec-1.2.24.{}.zip'.format(suffix),
}
if not os.path.exists(destdir):
os.makedirs(destdir)
for ln, fn in libs.items():
srcfile = urljoin(url, fn)
destfile = os.path.join(destdir, fn)
if os.path.exists(destfile + ".keep"):
print('Using local copy of "{}"'.format(srcfile))
else:
print('Retrieving "%s" to "%s"' % (srcfile, destfile))
urlcleanup() # work around FTP bug 27973 in Py2.7.12+
urlretrieve(srcfile, destfile)
libs[ln] = unpack_zipfile(destfile, destdir)
return libs
def find_top_dir_of_zipfile(zipfile):
topdir = None
files = [f.filename for f in zipfile.filelist]
dirs = [d for d in files if d.endswith('/')]
if dirs:
dirs.sort(key=len)
topdir = dirs[0]
topdir = topdir[:topdir.index("/")+1]
for path in files:
if not path.startswith(topdir):
topdir = None
break
assert topdir, (
"cannot determine single top-level directory in zip file %s" %
zipfile.filename)
return topdir.rstrip('/')
def unpack_zipfile(zipfn, destdir):
assert zipfn.endswith('.zip')
import zipfile
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()
assert os.path.exists(extracted_dir), 'missing: %s' % extracted_dir
return extracted_dir