diff options
Diffstat (limited to 'setup.py')
| -rw-r--r-- | setup.py | 164 |
1 files changed, 162 insertions, 2 deletions
@@ -5,6 +5,7 @@ __version__ = "$Revision$" import sys, os, imp, re, optparse from glob import glob +from platform import machine as platform_machine from distutils import log from distutils import sysconfig @@ -650,6 +651,49 @@ class PyBuildExt(build_ext): # implementation independent wrapper for these; dbm/dumb.py provides # similar functionality (but slower of course) implemented in Python. + # Sleepycat^WOracle Berkeley DB interface. + # http://www.oracle.com/database/berkeley-db/db/index.html + # + # This requires the Sleepycat^WOracle DB code. The supported versions + # are set below. Visit the URL above to download + # a release. Most open source OSes come with one or more + # versions of BerkeleyDB already installed. + + max_db_ver = (4, 7) + min_db_ver = (3, 3) + db_setup_debug = False # verbose debug prints from this script? + + def allow_db_ver(db_ver): + """Returns a boolean if the given BerkeleyDB version is acceptable. + + Args: + db_ver: A tuple of the version to verify. + """ + if not (min_db_ver <= db_ver <= max_db_ver): + return False + # Use this function to filter out known bad configurations. + if (4, 6) == db_ver[:2]: + # BerkeleyDB 4.6.x is not stable on many architectures. + arch = platform_machine() + if arch not in ('i386', 'i486', 'i586', 'i686', + 'x86_64', 'ia64'): + return False + return True + + def gen_db_minor_ver_nums(major): + if major == 4: + for x in range(max_db_ver[1]+1): + if allow_db_ver((4, x)): + yield x + elif major == 3: + for x in (3,): + if allow_db_ver((3, x)): + yield x + else: + raise ValueError("unknown major BerkeleyDB version", major) + + # construct a list of paths to look for the header file in on + # top of the normal inc_dirs. db_inc_paths = [ '/usr/include/db4', '/usr/local/include/db4', @@ -661,8 +705,124 @@ class PyBuildExt(build_ext): '/sw/include/db4', '/sw/include/db3', ] - - db_incs = None + # 4.x minor number specific paths + for x in gen_db_minor_ver_nums(4): + db_inc_paths.append('/usr/include/db4%d' % x) + db_inc_paths.append('/usr/include/db4.%d' % x) + db_inc_paths.append('/usr/local/BerkeleyDB.4.%d/include' % x) + db_inc_paths.append('/usr/local/include/db4%d' % x) + db_inc_paths.append('/pkg/db-4.%d/include' % x) + db_inc_paths.append('/opt/db-4.%d/include' % x) + # MacPorts default (http://www.macports.org/) + db_inc_paths.append('/opt/local/include/db4%d' % x) + # 3.x minor number specific paths + for x in gen_db_minor_ver_nums(3): + db_inc_paths.append('/usr/include/db3%d' % x) + db_inc_paths.append('/usr/local/BerkeleyDB.3.%d/include' % x) + db_inc_paths.append('/usr/local/include/db3%d' % x) + db_inc_paths.append('/pkg/db-3.%d/include' % x) + db_inc_paths.append('/opt/db-3.%d/include' % x) + + # Add some common subdirectories for Sleepycat DB to the list, + # based on the standard include directories. This way DB3/4 gets + # picked up when it is installed in a non-standard prefix and + # the user has added that prefix into inc_dirs. + std_variants = [] + for dn in inc_dirs: + std_variants.append(os.path.join(dn, 'db3')) + std_variants.append(os.path.join(dn, 'db4')) + for x in gen_db_minor_ver_nums(4): + std_variants.append(os.path.join(dn, "db4%d"%x)) + std_variants.append(os.path.join(dn, "db4.%d"%x)) + for x in gen_db_minor_ver_nums(3): + std_variants.append(os.path.join(dn, "db3%d"%x)) + std_variants.append(os.path.join(dn, "db3.%d"%x)) + + db_inc_paths = std_variants + db_inc_paths + db_inc_paths = [p for p in db_inc_paths if os.path.exists(p)] + + db_ver_inc_map = {} + + class db_found(Exception): pass + try: + # See whether there is a Sleepycat header in the standard + # search path. + for d in inc_dirs + db_inc_paths: + f = os.path.join(d, "db.h") + if db_setup_debug: print("db: looking for db.h in", f) + if os.path.exists(f): + f = open(f).read() + m = re.search(r"#define\WDB_VERSION_MAJOR\W(\d+)", f) + if m: + db_major = int(m.group(1)) + m = re.search(r"#define\WDB_VERSION_MINOR\W(\d+)", f) + db_minor = int(m.group(1)) + db_ver = (db_major, db_minor) + + # Avoid 4.6 prior to 4.6.21 due to a BerkeleyDB bug + if db_ver == (4, 6): + m = re.search(r"#define\WDB_VERSION_PATCH\W(\d+)", f) + db_patch = int(m.group(1)) + if db_patch < 21: + print("db.h:", db_ver, "patch", db_patch, + "being ignored (4.6.x must be >= 4.6.21)") + continue + + if ( (db_ver not in db_ver_inc_map) and + allow_db_ver(db_ver) ): + # save the include directory with the db.h version + # (first occurrence only) + db_ver_inc_map[db_ver] = d + if db_setup_debug: + print("db.h: found", db_ver, "in", d) + else: + # we already found a header for this library version + if db_setup_debug: print("db.h: ignoring", d) + else: + # ignore this header, it didn't contain a version number + if db_setup_debug: + print("db.h: no version number version in", d) + + db_found_vers = list(db_ver_inc_map.keys()) + db_found_vers.sort() + + while db_found_vers: + db_ver = db_found_vers.pop() + db_incdir = db_ver_inc_map[db_ver] + + # check lib directories parallel to the location of the header + db_dirs_to_check = [ + db_incdir.replace("include", 'lib64'), + db_incdir.replace("include", 'lib'), + ] + db_dirs_to_check = list(filter(os.path.isdir, db_dirs_to_check)) + + # Look for a version specific db-X.Y before an ambiguoius dbX + # XXX should we -ever- look for a dbX name? Do any + # systems really not name their library by version and + # symlink to more general names? + for dblib in (('db-%d.%d' % db_ver), + ('db%d%d' % db_ver), + ('db%d' % db_ver[0])): + dblib_file = self.compiler.find_library_file( + db_dirs_to_check + lib_dirs, dblib ) + if dblib_file: + dblib_dir = [ os.path.abspath(os.path.dirname(dblib_file)) ] + raise db_found + else: + if db_setup_debug: print("db lib: ", dblib, "not found") + + except db_found: + if db_setup_debug: + print("bsddb using BerkeleyDB lib:", db_ver, dblib) + print("bsddb lib dir:", dblib_dir, " inc dir:", db_incdir) + db_incs = [db_incdir] + dblibs = [dblib] + else: + if db_setup_debug: print("db: no appropriate library found") + db_incs = None + dblibs = [] + dblib_dir = None # The sqlite interface sqlite_setup_debug = False # verbose debug prints from this script? |