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guppy
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etc
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Cat.py
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Code.py
(1.03 KB)
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Descriptor.py
(903 B)
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FSA.py
(7.2 KB)
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Glue.py
(13.68 KB)
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Help.py
(6.71 KB)
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IterPermute.py
(2.22 KB)
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KanExtension.py
(20.71 KB)
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KnuthBendix.py
(8.81 KB)
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RE.py
(23.59 KB)
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RE_Rect.py
(10.39 KB)
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__init__.py
(87 B)
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__pycache__
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cmd.py
(14.72 KB)
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etc.py
(1.66 KB)
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textView.py
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tkcursors.py
(2.13 KB)
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xterm.py
(2.31 KB)
Editing: xterm.py
# Run an xterm on current process or a forked process # Adapted from pty.py in Python 1.5.2 distribution. # The pty.fork() couldnt be used because it didn't return # the pty name needed by xterm # I couldnt import pty.py to use master_open because it didn't find termios. import os import sys import fcntl # We couldnt find termios STDIN_FILENO, STDOUT_FILENO, STDERR_FILENO = 0, 1, 2 # Open pty master. Returns (master_fd, tty_name). SGI and Linux/BSD version. # Copied from pty.py from Python 1.5.2. /SN def master_open(): try: import sgi except ImportError: pass else: try: tty_name, master_fd = sgi._getpty(fcntl.O_RDWR, 0o666, 0) except IOError as msg: raise os.error(msg) return master_fd, tty_name for x in 'pqrstuvwxyzPQRST': for y in '0123456789abcdef': pty_name = '/dev/pty' + x + y try: fd = os.open(pty_name, fcntl.O_RDWR) except os.error: continue return (fd, '/dev/tty' + x + y) raise os.error('out of pty devices') # Open the pty slave. Acquire the controlling terminal. # Returns file descriptor. Linux version. (Should be universal? --Guido) # Copied from pty.py from Python 1.5.2. /SN def slave_open(tty_name): return os.open(tty_name, fcntl.O_RDWR) def xterm(prog=None, options=''): master_fd, tty_name = master_open() pid = os.fork() if pid: # Acquire controlling terminal. slave_fd = slave_open(tty_name) # Slave becomes stdin/stdout/stderr of child. os.dup2(slave_fd, STDIN_FILENO) os.dup2(slave_fd, STDOUT_FILENO) os.dup2(slave_fd, STDERR_FILENO) if (slave_fd > STDERR_FILENO): os.close(slave_fd) os.close(master_fd) sys.stdin.readline() # Throw away an init string from xterm if prog is not None: prog() else: os.setsid() cmd = 'xterm %s -S%s%d' % (options, tty_name[-2:], master_fd) os.system(cmd) #os.waitpid(pid, 0) return pid def forkxterm(prog=None, options=''): pid = os.fork() if pid: return pid else: os.setsid() pid = xterm(prog, options) if not pid: os._exit(0) def hello(): print('hello') while 1: pass
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