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| 1 | +# Script for building the _ssl module for Windows. |
| 2 | +# Uses Perl to setup the OpenSSL environment correctly |
| 3 | +# and build OpenSSL, then invokes a simple nmake session |
| 4 | +# for _ssl.pyd itself. |
| 5 | + |
| 6 | +# THEORETICALLY, you can: |
| 7 | +# * Unpack the latest SSL release one level above your main Python source |
| 8 | +# directory. It is likely you will already find the zlib library and |
| 9 | +# any other external packages there. |
| 10 | +# * Install ActivePerl and ensure it is somewhere on your path. |
| 11 | +# * Run this script from the PCBuild directory. |
| 12 | +# |
| 13 | +# it should configure and build SSL, then build the ssl Python extension |
| 14 | +# without intervention. |
| 15 | + |
| 16 | +import os, sys, re |
| 17 | + |
| 18 | +# Find all "foo.exe" files on the PATH. |
| 19 | +def find_all_on_path(filename, extras = None): |
| 20 | + entries = os.environ["PATH"].split(os.pathsep) |
| 21 | + ret = [] |
| 22 | + for p in entries: |
| 23 | + fname = os.path.abspath(os.path.join(p, filename)) |
| 24 | + if os.path.isfile(fname) and fname not in ret: |
| 25 | + ret.append(fname) |
| 26 | + if extras: |
| 27 | + for p in extras: |
| 28 | + fname = os.path.abspath(os.path.join(p, filename)) |
| 29 | + if os.path.isfile(fname) and fname not in ret: |
| 30 | + ret.append(fname) |
| 31 | + return ret |
| 32 | + |
| 33 | +# Find a suitable Perl installation for OpenSSL. |
| 34 | +# cygwin perl does *not* work. ActivePerl does. |
| 35 | +# Being a Perl dummy, the simplest way I can check is if the "Win32" package |
| 36 | +# is available. |
| 37 | +def find_working_perl(perls): |
| 38 | + for perl in perls: |
| 39 | + fh = os.popen(perl + ' -e "use Win32;"') |
| 40 | + fh.read() |
| 41 | + rc = fh.close() |
| 42 | + if rc: |
| 43 | + continue |
| 44 | + return perl |
| 45 | + print "Can not find a suitable PERL:" |
| 46 | + if perls: |
| 47 | + print " the following perl interpreters were found:" |
| 48 | + for p in perls: |
| 49 | + print " ", p |
| 50 | + print " None of these versions appear suitable for building OpenSSL" |
| 51 | + else: |
| 52 | + print " NO perl interpreters were found on this machine at all!" |
| 53 | + print " Please install ActivePerl and ensure it appears on your path" |
| 54 | + print "The Python SSL module was not built" |
| 55 | + return None |
| 56 | + |
| 57 | +# Locate the best SSL directory given a few roots to look into. |
| 58 | +def find_best_ssl_dir(sources): |
| 59 | + candidates = [] |
| 60 | + for s in sources: |
| 61 | + try: |
| 62 | + s = os.path.abspath(s) |
| 63 | + fnames = os.listdir(s) |
| 64 | + except os.error: |
| 65 | + fnames = [] |
| 66 | + for fname in fnames: |
| 67 | + fqn = os.path.join(s, fname) |
| 68 | + if os.path.isdir(fqn) and fname.startswith("openssl-"): |
| 69 | + candidates.append(fqn) |
| 70 | + # Now we have all the candidates, locate the best. |
| 71 | + best_parts = [] |
| 72 | + best_name = None |
| 73 | + for c in candidates: |
| 74 | + parts = re.split("[.-]", os.path.basename(c))[1:] |
| 75 | + # eg - openssl-0.9.7-beta1 - ignore all "beta" or any other qualifiers |
| 76 | + if len(parts) >= 4: |
| 77 | + continue |
| 78 | + if parts > best_parts: |
| 79 | + best_parts = parts |
| 80 | + best_name = c |
| 81 | + if best_name is not None: |
| 82 | + print "Found an SSL directory at '%s'" % (best_name,) |
| 83 | + else: |
| 84 | + print "Could not find an SSL directory in '%s'" % (sources,) |
| 85 | + return best_name |
| 86 | + |
| 87 | +def main(): |
| 88 | + debug = "-d" in sys.argv |
| 89 | + build_all = "-a" in sys.argv |
| 90 | + make_flags = "" |
| 91 | + if build_all: |
| 92 | + make_flags = "-a" |
| 93 | + # perl should be on the path, but we also look in "\perl" and "c:\\perl" |
| 94 | + # as "well known" locations |
| 95 | + perls = find_all_on_path("perl.exe", ["\\perl\\bin", "C:\\perl\\bin"]) |
| 96 | + perl = find_working_perl(perls) |
| 97 | + if perl is None: |
| 98 | + sys.exit(1) |
| 99 | + |
| 100 | + print "Found a working perl at '%s'" % (perl,) |
| 101 | + # Look for SSL 3 levels up from pcbuild - ie, same place zlib etc all live. |
| 102 | + ssl_dir = find_best_ssl_dir(("../../..",)) |
| 103 | + if ssl_dir is None: |
| 104 | + sys.exit(1) |
| 105 | + |
| 106 | + old_cd = os.getcwd() |
| 107 | + try: |
| 108 | + os.chdir(ssl_dir) |
| 109 | + # If the ssl makefiles do not exist, we invoke Perl to generate them. |
| 110 | + if not os.path.isfile(os.path.join(ssl_dir, "32.mak")) or \ |
| 111 | + not os.path.isfile(os.path.join(ssl_dir, "d32.mak")): |
| 112 | + print "Creating the makefiles..." |
| 113 | + # Put our working Perl at the front of our path |
| 114 | + os.environ["PATH"] = os.path.split(perl)[0] + \ |
| 115 | + os.pathsep + \ |
| 116 | + os.environ["PATH"] |
| 117 | + # ms\32all.bat will reconfigure OpenSSL and then try to build |
| 118 | + # all outputs (debug/nondebug/dll/lib). So we filter the file |
| 119 | + # to exclude any "nmake" commands and then execute. |
| 120 | + tempname = "ms\\32all_py.bat" |
| 121 | + |
| 122 | + in_bat = open("ms\\32all.bat") |
| 123 | + temp_bat = open(tempname,"w") |
| 124 | + while 1: |
| 125 | + cmd = in_bat.readline() |
| 126 | + print 'cmd', repr(cmd) |
| 127 | + if not cmd: break |
| 128 | + if cmd.strip()[:5].lower() == "nmake": |
| 129 | + continue |
| 130 | + temp_bat.write(cmd) |
| 131 | + in_bat.close() |
| 132 | + temp_bat.close() |
| 133 | + os.system(tempname) |
| 134 | + try: |
| 135 | + os.remove(tempname) |
| 136 | + except: |
| 137 | + pass |
| 138 | + |
| 139 | + # Now run make. |
| 140 | + print "Executing nmake over the ssl makefiles..." |
| 141 | + if debug: |
| 142 | + rc = os.system("nmake /nologo -f d32.mak") |
| 143 | + if rc: |
| 144 | + print "Executing d32.mak failed" |
| 145 | + print rc |
| 146 | + sys.exit(rc) |
| 147 | + else: |
| 148 | + rc = os.system("nmake /nologo -f 32.mak") |
| 149 | + if rc: |
| 150 | + print "Executing 32.mak failed" |
| 151 | + print rc |
| 152 | + sys.exit(rc) |
| 153 | + finally: |
| 154 | + os.chdir(old_cd) |
| 155 | + # And finally, we can build the _ssl module itself for Python. |
| 156 | + defs = "SSL_DIR=%s" % (ssl_dir,) |
| 157 | + if debug: |
| 158 | + defs = defs + " " + "DEBUG=1" |
| 159 | + rc = os.system('nmake /nologo -f _ssl.mak ' + defs + " " + make_flags) |
| 160 | + sys.exit(rc) |
| 161 | + |
| 162 | +if __name__=='__main__': |
| 163 | + main() |
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