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try to avoid gross incompatibilities with older versions of Python

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This commit is contained in:
Skip Montanaro 2003-02-03 15:29:34 +00:00
parent 7c1274d8ab
commit da72d9376b
1 changed files with 12 additions and 12 deletions
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24
Tools/scripts/db2pickle.py
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@ -33,7 +33,7 @@ except ImportError:
prog = sys.argv[0]
def usage():
print >> sys.stderr, __doc__ % globals()
sys.stderr.write(__doc__ % globals())
def main(args):
try:
@ -52,9 +52,9 @@ def main(args):
else:
dbfile = args[0]
try:
pfile = file(args[1], 'wb')
pfile = open(args[1], 'wb')
except IOError:
print >> sys.stderr, "Unable to open", args[1]
sys.stderr.write("Unable to open %s\n" % args[1])
return 1
dbopen = None
@ -63,36 +63,36 @@ def main(args):
try:
dbopen = bsddb.hashopen
except AttributeError:
print >> sys.stderr, "bsddb module unavailable."
sys.stderr.write("bsddb module unavailable.\n")
return 1
elif opt in ("-b", "--btree"):
try:
dbopen = bsddb.btopen
except AttributeError:
print >> sys.stderr, "bsddb module unavailable."
sys.stderr.write("bsddb module unavailable.\n")
return 1
elif opt in ("-r", "--recno"):
try:
dbopen = bsddb.rnopen
except AttributeError:
print >> sys.stderr, "bsddb module unavailable."
sys.stderr.write("bsddb module unavailable.\n")
return 1
elif opt in ("-a", "--anydbm"):
try:
dbopen = anydbm.open
except AttributeError:
print >> sys.stderr, "anydbm module unavailable."
sys.stderr.write("anydbm module unavailable.\n")
return 1
elif opt in ("-d", "--dbm"):
try:
dbopen = dbm.open
except AttributeError:
print >> sys.stderr, "dbm module unavailable."
sys.stderr.write("dbm module unavailable.\n")
return 1
if dbopen is None:
if bsddb is None:
print >> sys.stderr, "bsddb module unavailable -"
print >> sys.stderr, "must specify dbtype."
sys.stderr.write("bsddb module unavailable - ")
sys.stderr.write("must specify dbtype.\n")
return 1
else:
dbopen = bsddb.hashopen
@ -100,8 +100,8 @@ def main(args):
try:
db = dbopen(dbfile, 'r')
except bsddb.error:
print >> sys.stderr, "Unable to open", dbfile,
print >> sys.stderr, "Check for format or version mismatch."
sys.stderr.write("Unable to open %s. " % dbfile)
sys.stderr.write("Check for format or version mismatch.\n")
return 1
for k in db.keys():