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# Script for building the _ssl and _hashlib modules for Windows.
# Uses Perl to setup the OpenSSL environment correctly
# and build OpenSSL, then invokes a simple nmake session
# for the actual _ssl.pyd and _hashlib.pyd DLLs.
# THEORETICALLY, you can:
# * Unpack the latest SSL release one level above your main Python source
# directory. It is likely you will already find the zlib library and
# any other external packages there.
# * Install ActivePerl and ensure it is somewhere on your path.
# * Run this script from the PCBuild directory.
#
# it should configure and build SSL, then build the _ssl and _hashlib
# Python extensions without intervention.
import os, sys, re
# Find all "foo.exe" files on the PATH.
def find_all_on_path(filename, extras = None):
entries = os.environ["PATH"].split(os.pathsep)
ret = []
for p in entries:
fname = os.path.abspath(os.path.join(p, filename))
if os.path.isfile(fname) and fname not in ret:
ret.append(fname)
if extras:
for p in extras:
fname = os.path.abspath(os.path.join(p, filename))
if os.path.isfile(fname) and fname not in ret:
ret.append(fname)
return ret
# Find a suitable Perl installation for OpenSSL.
# cygwin perl does *not* work. ActivePerl does.
# Being a Perl dummy, the simplest way I can check is if the "Win32" package
# is available.
def find_working_perl(perls):
for perl in perls:
fh = os.popen(perl + ' -e "use Win32;"')
fh.read()
rc = fh.close()
if rc:
continue
return perl
print "Can not find a suitable PERL:"
if perls:
print " the following perl interpreters were found:"
for p in perls:
print " ", p
print " None of these versions appear suitable for building OpenSSL"
else:
print " NO perl interpreters were found on this machine at all!"
print " Please install ActivePerl and ensure it appears on your path"
print "The Python SSL module was not built"
return None
# Locate the best SSL directory given a few roots to look into.
def find_best_ssl_dir(sources):
candidates = []
for s in sources:
try:
# note: do not abspath s; the build will fail if any
# higher up directory name has spaces in it.
fnames = os.listdir(s)
except os.error:
fnames = []
for fname in fnames:
fqn = os.path.join(s, fname)
if os.path.isdir(fqn) and fname.startswith("openssl-"):
candidates.append(fqn)
# Now we have all the candidates, locate the best.
best_parts = []
best_name = None
for c in candidates:
parts = re.split("[.-]", os.path.basename(c))[1:]
# eg - openssl-0.9.7-beta1 - ignore all "beta" or any other qualifiers
if len(parts) >= 4:
continue
if parts > best_parts:
best_parts = parts
best_name = c
if best_name is not None:
print "Found an SSL directory at '%s'" % (best_name,)
else:
print "Could not find an SSL directory in '%s'" % (sources,)
sys.stdout.flush()
return best_name
def run_configure(configure, do_script):
os.system("perl Configure "+configure)
os.system(do_script)
def main():
build_all = "-a" in sys.argv
if sys.argv[1] == "Release":
arch = "x86"
debug = False
configure = "VC-WIN32"
do_script = "ms\\do_masm"
makefile = "ms\\nt.mak"
elif sys.argv[1] == "Debug":
arch = "x86"
debug = True
configure = "VC-WIN32"
do_script = "ms\\do_masm"
makefile="ms\\d32.mak"
elif sys.argv[1] == "ReleaseItanium":
arch = "ia64"
debug = False
configure = "VC-WIN64I"
do_script = "ms\\do_win64i"
makefile = "ms\\nt.mak"
os.environ["VSEXTCOMP_USECL"] = "MS_ITANIUM"
elif sys.argv[1] == "ReleaseAMD64":
arch="amd64"
debug=False
configure = "VC-WIN64A"
do_script = "ms\\do_win64a"
makefile = "ms\\nt.mak"
os.environ["VSEXTCOMP_USECL"] = "MS_OPTERON"
make_flags = ""
if build_all:
make_flags = "-a"
# perl should be on the path, but we also look in "\perl" and "c:\\perl"
# as "well known" locations
perls = find_all_on_path("perl.exe", ["\\perl\\bin", "C:\\perl\\bin"])
perl = find_working_perl(perls)
if perl is None:
sys.exit(1)
print "Found a working perl at '%s'" % (perl,)
sys.stdout.flush()
# Look for SSL 2 levels up from pcbuild - ie, same place zlib etc all live.
ssl_dir = find_best_ssl_dir(("..\\..",))
if ssl_dir is None:
sys.exit(1)
old_cd = os.getcwd()
try:
os.chdir(ssl_dir)
# If the ssl makefiles do not exist, we invoke Perl to generate them.
# Due to a bug in this script, the makefile sometimes ended up empty
# Force a regeneration if it is.
if not os.path.isfile(makefile) or os.path.getsize(makefile)==0:
print "Creating the makefiles..."
sys.stdout.flush()
# Put our working Perl at the front of our path
os.environ["PATH"] = os.path.dirname(perl) + \
os.pathsep + \
os.environ["PATH"]
run_configure(configure, do_script)
if arch=="x86" and debug:
# the do_masm script in openssl doesn't generate a debug
# build makefile so we generate it here:
os.system("perl util\mk1mf.pl debug "+configure+" >"+makefile)
# Now run make.
makeCommand = "nmake /nologo PERL=\"%s\" -f \"%s\"" %(perl, makefile)
print "Executing ssl makefiles:", makeCommand
sys.stdout.flush()
rc = os.system(makeCommand)
if rc:
print "Executing "+makefile+" failed"
print rc
sys.exit(rc)
finally:
os.chdir(old_cd)
# And finally, we can build the _ssl module itself for Python.
defs = "SSL_DIR=\"%s\"" % (ssl_dir,)
if debug:
defs = defs + " " + "DEBUG=1"
if arch in ('amd64', 'ia64'):
defs = defs + " EXTRA_CFLAGS=/GS-"
makeCommand = 'nmake /nologo -f _ssl.mak ' + defs + " " + make_flags
print "Executing:", makeCommand
sys.stdout.flush()
rc = os.system(makeCommand)
sys.exit(rc)
if __name__=='__main__':
main()
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