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This commit is contained in:
Guido van Rossum 1998-09-14 16:44:15 +00:00
parent f9a6d7d494
commit 4117e5428b
22 changed files with 1634 additions and 1633 deletions
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130
Demo/pysvr/pysvr.py
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@ -14,30 +14,30 @@ can log in on your machine. Use with caution!
import sys, os, string, getopt, thread, socket, traceback
PORT = 4000 # Default port
PORT = 4000 # Default port
def main():
try:
opts, args = getopt.getopt(sys.argv[1:], "")
if len(args) > 1:
raise getopt.error, "Too many arguments."
opts, args = getopt.getopt(sys.argv[1:], "")
if len(args) > 1:
raise getopt.error, "Too many arguments."
except getopt.error, msg:
usage(msg)
usage(msg)
for o, a in opts:
pass
pass
if args:
try:
port = string.atoi(args[0])
except ValueError, msg:
usage(msg)
try:
port = string.atoi(args[0])
except ValueError, msg:
usage(msg)
else:
port = PORT
port = PORT
main_thread(port)
def usage(msg=None):
sys.stdout = sys.stderr
if msg:
print msg
print msg
print "\n", __doc__,
sys.exit(2)
@ -47,18 +47,18 @@ def main_thread(port):
sock.listen(5)
print "Listening on port", port, "..."
while 1:
(conn, addr) = sock.accept()
if addr[0] != conn.getsockname()[0]:
conn.close()
print "Refusing connection from non-local host", addr[0], "."
continue
thread.start_new_thread(service_thread, (conn, addr))
del conn, addr
(conn, addr) = sock.accept()
if addr[0] != conn.getsockname()[0]:
conn.close()
print "Refusing connection from non-local host", addr[0], "."
continue
thread.start_new_thread(service_thread, (conn, addr))
del conn, addr
def service_thread(conn, addr):
(caddr, cport) = addr
print "Thread %s has connection from %s.\n" % (str(thread.get_ident()),
caddr),
caddr),
stdin = conn.makefile("r")
stdout = conn.makefile("w", 0)
run_interpreter(stdin, stdout)
@ -67,57 +67,57 @@ def service_thread(conn, addr):
def run_interpreter(stdin, stdout):
globals = {}
try:
str(sys.ps1)
str(sys.ps1)
except:
sys.ps1 = ">>> "
sys.ps1 = ">>> "
source = ""
while 1:
stdout.write(sys.ps1)
line = stdin.readline()
if line[:2] == '\377\354':
line = ""
if not line and not source:
break
if line[-2:] == '\r\n':
line = line[:-2] + '\n'
source = source + line
try:
code = compile_command(source)
except SyntaxError, err:
source = ""
traceback.print_exception(SyntaxError, err, None, file=stdout)
continue
if not code:
continue
source = ""
try:
run_command(code, stdin, stdout, globals)
except SystemExit, how:
if how:
try:
how = str(how)
except:
how = ""
stdout.write("Exit %s\n" % how)
break
stdout.write(sys.ps1)
line = stdin.readline()
if line[:2] == '\377\354':
line = ""
if not line and not source:
break
if line[-2:] == '\r\n':
line = line[:-2] + '\n'
source = source + line
try:
code = compile_command(source)
except SyntaxError, err:
source = ""
traceback.print_exception(SyntaxError, err, None, file=stdout)
continue
if not code:
continue
source = ""
try:
run_command(code, stdin, stdout, globals)
except SystemExit, how:
if how:
try:
how = str(how)
except:
how = ""
stdout.write("Exit %s\n" % how)
break
stdout.write("\nGoodbye.\n")
def run_command(code, stdin, stdout, globals):
save = sys.stdin, sys.stdout, sys.stderr
try:
sys.stdout = sys.stderr = stdout
sys.stdin = stdin
try:
exec code in globals
except SystemExit, how:
raise SystemExit, how, sys.exc_info()[2]
except:
type, value, tb = sys.exc_info()
if tb: tb = tb.tb_next
traceback.print_exception(type, value, tb)
del tb
finally:
sys.stdin, sys.stdout, sys.stderr = save
save = sys.stdin, sys.stdout, sys.stderr
try:
sys.stdout = sys.stderr = stdout
sys.stdin = stdin
try:
exec code in globals
except SystemExit, how:
raise SystemExit, how, sys.exc_info()[2]
except:
type, value, tb = sys.exc_info()
if tb: tb = tb.tb_next
traceback.print_exception(type, value, tb)
del tb
finally:
sys.stdin, sys.stdout, sys.stderr = save
from code import compile_command