Gecko [ technovaaa.co.uk ]

Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
collections	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
concurrent	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
config-3.3m	[ DIR ]	drwxr-xr-x	2025-08-15 19:32
ctypes	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
curses	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
dbm	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
distutils	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
email	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
encodings	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
html	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
http	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
idlelib	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
importlib	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
json	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
lib-dynload	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
lib2to3	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
logging	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
multiprocessing	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
plat-linux	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
pydoc_data	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
site-packages	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
sqlite3	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
test	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
unittest	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
urllib	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
venv	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
wsgiref	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
xml	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
xmlrpc	[ DIR ]	drwxr-xr-x	2025-08-15 19:31
__future__.py	4.48 KB	-rw-r--r--	2024-04-17 17:12
__phello__.foo.py	64 B	-rw-r--r--	2024-04-17 17:12
_compat_pickle.py	4.24 KB	-rw-r--r--	2024-04-17 17:12
_dummy_thread.py	4.66 KB	-rw-r--r--	2024-04-17 17:12
_markupbase.py	14.26 KB	-rw-r--r--	2024-04-17 17:12
_osx_support.py	18.41 KB	-rw-r--r--	2024-04-17 17:12
_pyio.py	71.2 KB	-rw-r--r--	2024-04-17 17:12
_strptime.py	21.17 KB	-rw-r--r--	2024-04-17 17:12
_sysconfigdata.py	23.52 KB	-rw-r--r--	2024-04-17 17:12
_threading_local.py	7.24 KB	-rw-r--r--	2024-04-17 17:12
_weakrefset.py	5.57 KB	-rw-r--r--	2024-04-17 17:12
abc.py	7.87 KB	-rw-r--r--	2024-04-17 17:12
aifc.py	30.33 KB	-rw-r--r--	2024-04-17 17:12
antigravity.py	475 B	-rw-r--r--	2024-04-17 17:12
argparse.py	86.98 KB	-rw-r--r--	2024-04-17 17:12
ast.py	11.86 KB	-rw-r--r--	2024-04-17 17:12
asynchat.py	11.32 KB	-rw-r--r--	2024-04-17 17:12
asyncore.py	20.27 KB	-rw-r--r--	2024-04-17 17:12
base64.py	13.66 KB	-rwxr-xr-x	2024-04-17 17:12
bdb.py	21.38 KB	-rw-r--r--	2024-04-17 17:12
binhex.py	13.39 KB	-rw-r--r--	2024-04-17 17:12
bisect.py	2.53 KB	-rw-r--r--	2024-04-17 17:12
bz2.py	18.04 KB	-rw-r--r--	2024-04-17 17:12
cProfile.py	6.21 KB	-rwxr-xr-x	2024-04-17 17:12
calendar.py	22.4 KB	-rw-r--r--	2024-04-17 17:12
cgi.py	34.72 KB	-rwxr-xr-x	2024-04-17 17:12
cgitb.py	11.76 KB	-rw-r--r--	2024-04-17 17:12
chunk.py	5.25 KB	-rw-r--r--	2024-04-17 17:12
cmd.py	14.51 KB	-rw-r--r--	2024-04-17 17:12
code.py	9.79 KB	-rw-r--r--	2024-04-17 17:12
codecs.py	35.11 KB	-rw-r--r--	2024-04-17 17:12
codeop.py	5.85 KB	-rw-r--r--	2024-04-17 17:12
colorsys.py	3.6 KB	-rw-r--r--	2024-04-17 17:12
compileall.py	9.51 KB	-rw-r--r--	2024-04-17 17:12
configparser.py	48.28 KB	-rw-r--r--	2024-04-17 17:12
contextlib.py	8.91 KB	-rw-r--r--	2024-04-17 17:12
copy.py	8.78 KB	-rw-r--r--	2024-04-17 17:12
copyreg.py	6.46 KB	-rw-r--r--	2024-04-17 17:12
crypt.py	1.83 KB	-rw-r--r--	2024-04-17 17:12
csv.py	15.81 KB	-rw-r--r--	2024-04-17 17:12
datetime.py	73.2 KB	-rw-r--r--	2024-04-17 17:12
decimal.py	223.2 KB	-rw-r--r--	2024-04-17 17:12
difflib.py	80.58 KB	-rw-r--r--	2024-04-17 17:12
dis.py	9.9 KB	-rw-r--r--	2024-04-17 17:12
doctest.py	100.52 KB	-rw-r--r--	2024-04-17 17:12
dummy_threading.py	2.75 KB	-rw-r--r--	2024-04-17 17:12
filecmp.py	9.37 KB	-rw-r--r--	2024-04-17 17:12
fileinput.py	13.92 KB	-rw-r--r--	2024-04-17 17:12
fnmatch.py	3.09 KB	-rw-r--r--	2024-04-17 17:12
formatter.py	14.58 KB	-rw-r--r--	2024-04-17 17:12
fractions.py	22.49 KB	-rw-r--r--	2024-04-17 17:12
ftplib.py	39.31 KB	-rw-r--r--	2024-04-17 17:12
functools.py	13.28 KB	-rw-r--r--	2024-04-17 17:12
genericpath.py	3.02 KB	-rw-r--r--	2024-04-17 17:12
getopt.py	7.31 KB	-rw-r--r--	2024-04-17 17:12
getpass.py	5.66 KB	-rw-r--r--	2024-04-17 17:12
gettext.py	20.15 KB	-rw-r--r--	2024-04-17 17:12
glob.py	2.77 KB	-rw-r--r--	2024-04-17 17:12
gzip.py	23.83 KB	-rw-r--r--	2024-04-17 17:12
hashlib.py	6.05 KB	-rw-r--r--	2024-04-17 17:12
heapq.py	17.58 KB	-rw-r--r--	2024-04-17 17:12
hmac.py	4.34 KB	-rw-r--r--	2024-04-17 17:12
imaplib.py	48.94 KB	-rw-r--r--	2024-04-17 17:12
imghdr.py	3.45 KB	-rw-r--r--	2024-04-17 17:12
imp.py	9.5 KB	-rw-r--r--	2024-04-17 17:12
inspect.py	77.11 KB	-rw-r--r--	2024-04-17 17:12
io.py	3.2 KB	-rw-r--r--	2024-04-17 17:12
ipaddress.py	68.66 KB	-rw-r--r--	2024-04-17 17:12
keyword.py	2.01 KB	-rwxr-xr-x	2024-04-17 17:12
linecache.py	3.77 KB	-rw-r--r--	2024-04-17 17:12
locale.py	91.03 KB	-rw-r--r--	2024-04-17 17:12
lzma.py	17.04 KB	-rw-r--r--	2024-04-17 17:12
macpath.py	5.49 KB	-rw-r--r--	2024-04-17 17:12
macurl2path.py	2.67 KB	-rw-r--r--	2024-04-17 17:12
mailbox.py	77.24 KB	-rw-r--r--	2024-04-17 17:12
mailcap.py	7.26 KB	-rw-r--r--	2024-04-17 17:12
mimetypes.py	20.25 KB	-rw-r--r--	2024-04-17 17:12
modulefinder.py	22.65 KB	-rw-r--r--	2024-04-17 17:12
netrc.py	5.61 KB	-rw-r--r--	2024-04-17 17:12
nntplib.py	41.78 KB	-rw-r--r--	2024-04-17 17:12
ntpath.py	19.96 KB	-rw-r--r--	2024-04-17 17:12
nturl2path.py	2.34 KB	-rw-r--r--	2024-04-17 17:12
numbers.py	10.15 KB	-rw-r--r--	2024-04-17 17:12
opcode.py	4.98 KB	-rw-r--r--	2024-04-17 17:12
optparse.py	58.93 KB	-rw-r--r--	2024-04-17 17:12
os.py	33.96 KB	-rw-r--r--	2024-04-17 17:12
os2emxpath.py	4.55 KB	-rw-r--r--	2024-04-17 17:12
pdb.py	59.23 KB	-rwxr-xr-x	2024-04-17 17:12
pickle.py	46.74 KB	-rw-r--r--	2024-04-17 17:12
pickletools.py	79.44 KB	-rw-r--r--	2024-04-17 17:12
pipes.py	8.71 KB	-rw-r--r--	2024-04-17 17:12
pkgutil.py	21.03 KB	-rw-r--r--	2024-04-17 17:12
platform.py	49.55 KB	-rwxr-xr-x	2024-04-17 17:12
plistlib.py	14.43 KB	-rw-r--r--	2024-04-17 17:12
poplib.py	11.11 KB	-rw-r--r--	2024-04-17 17:12
posixpath.py	13.92 KB	-rw-r--r--	2024-04-17 17:12
pprint.py	12.4 KB	-rw-r--r--	2024-04-17 17:12
profile.py	20.95 KB	-rwxr-xr-x	2024-04-17 17:12
pstats.py	25.75 KB	-rw-r--r--	2024-04-17 17:12
pty.py	4.94 KB	-rw-r--r--	2024-04-17 17:12
py_compile.py	6.56 KB	-rw-r--r--	2024-04-17 17:12
pyclbr.py	13.12 KB	-rw-r--r--	2024-04-17 17:12
pydoc.py	99.26 KB	-rwxr-xr-x	2024-04-17 17:12
queue.py	8.63 KB	-rw-r--r--	2024-04-17 17:12
quopri.py	7.14 KB	-rwxr-xr-x	2024-04-17 17:12
random.py	25.06 KB	-rw-r--r--	2024-04-17 17:12
re.py	14.62 KB	-rw-r--r--	2024-04-17 17:12
reprlib.py	4.99 KB	-rw-r--r--	2024-04-17 17:12
rlcompleter.py	5.4 KB	-rw-r--r--	2024-04-17 17:12
runpy.py	10.17 KB	-rw-r--r--	2024-04-17 17:12
sched.py	6.25 KB	-rw-r--r--	2024-04-17 17:12
shelve.py	8.05 KB	-rw-r--r--	2024-04-17 17:12
shlex.py	11.23 KB	-rw-r--r--	2024-04-17 17:12
shutil.py	38.23 KB	-rw-r--r--	2024-04-17 17:12
site.py	21.46 KB	-rw-r--r--	2024-04-17 17:12
smtpd.py	29.5 KB	-rwxr-xr-x	2024-04-17 17:12
smtplib.py	37.13 KB	-rwxr-xr-x	2024-04-17 17:12
sndhdr.py	6.07 KB	-rw-r--r--	2024-04-17 17:12
socket.py	14.56 KB	-rw-r--r--	2024-04-17 17:12
socketserver.py	23.63 KB	-rw-r--r--	2024-04-17 17:12
sre_compile.py	15.96 KB	-rw-r--r--	2024-04-17 17:12
sre_constants.py	7.06 KB	-rw-r--r--	2024-04-17 17:12
sre_parse.py	29.5 KB	-rw-r--r--	2024-04-17 17:12
ssl.py	23.9 KB	-rw-r--r--	2024-04-17 17:12
stat.py	4.2 KB	-rw-r--r--	2024-04-17 17:12
string.py	9.19 KB	-rw-r--r--	2024-04-17 17:12
stringprep.py	12.61 KB	-rw-r--r--	2024-04-17 17:12
struct.py	238 B	-rw-r--r--	2024-04-17 17:12
subprocess.py	65.99 KB	-rw-r--r--	2024-04-17 17:12
sunau.py	17.11 KB	-rw-r--r--	2024-04-17 17:12
symbol.py	2 KB	-rwxr-xr-x	2024-04-17 17:12
symtable.py	7.21 KB	-rw-r--r--	2024-04-17 17:12
sysconfig.py	24.58 KB	-rw-r--r--	2024-04-17 17:12
tabnanny.py	11.14 KB	-rwxr-xr-x	2024-04-17 17:12
tarfile.py	86.78 KB	-rwxr-xr-x	2024-04-17 17:12
telnetlib.py	26.71 KB	-rw-r--r--	2024-04-17 17:12
tempfile.py	22.47 KB	-rw-r--r--	2024-04-17 17:12
textwrap.py	16.1 KB	-rw-r--r--	2024-04-17 17:12
this.py	1003 B	-rw-r--r--	2024-04-17 17:12
threading.py	44.57 KB	-rw-r--r--	2024-04-17 17:12
timeit.py	12.1 KB	-rwxr-xr-x	2024-04-17 17:12
token.py	2.96 KB	-rw-r--r--	2024-04-17 17:12
tokenize.py	24.29 KB	-rw-r--r--	2024-04-17 17:12
trace.py	30.75 KB	-rwxr-xr-x	2024-04-17 17:12
traceback.py	11.7 KB	-rw-r--r--	2024-04-17 17:12
tty.py	879 B	-rw-r--r--	2024-04-17 17:12
types.py	3.09 KB	-rw-r--r--	2024-04-17 17:12
uu.py	6.61 KB	-rwxr-xr-x	2024-04-17 17:12
uuid.py	21.83 KB	-rw-r--r--	2024-04-17 17:12
warnings.py	13.5 KB	-rw-r--r--	2024-04-17 17:12
wave.py	18.14 KB	-rw-r--r--	2024-04-17 17:12
weakref.py	11.23 KB	-rw-r--r--	2024-04-17 17:12
webbrowser.py	22.38 KB	-rwxr-xr-x	2024-04-17 17:12
xdrlib.py	5.25 KB	-rw-r--r--	2024-04-17 17:12
zipfile.py	64.87 KB	-rw-r--r--	2024-04-17 17:12

Rename

"""Pseudo terminal utilities."""

# Bugs: No signal handling.  Doesn't set slave termios and window size.
#       Only tested on Linux.
# See:  W. Richard Stevens. 1992.  Advanced Programming in the
#       UNIX Environment.  Chapter 19.
# Author: Steen Lumholt -- with additions by Guido.

from select import select
import os
import tty

__all__ = ["openpty","fork","spawn"]

STDIN_FILENO = 0
STDOUT_FILENO = 1
STDERR_FILENO = 2

CHILD = 0

def openpty():
    """openpty() -> (master_fd, slave_fd)
    Open a pty master/slave pair, using os.openpty() if possible."""

try:
        return os.openpty()
    except (AttributeError, OSError):
        pass
    master_fd, slave_name = _open_terminal()
    slave_fd = slave_open(slave_name)
    return master_fd, slave_fd

def master_open():
    """master_open() -> (master_fd, slave_name)
    Open a pty master and return the fd, and the filename of the slave end.
    Deprecated, use openpty() instead."""

try:
        master_fd, slave_fd = os.openpty()
    except (AttributeError, OSError):
        pass
    else:
        slave_name = os.ttyname(slave_fd)
        os.close(slave_fd)
        return master_fd, slave_name

return _open_terminal()

def _open_terminal():
    """Open pty master and return (master_fd, tty_name).
    SGI and generic BSD version, for when openpty() fails."""
    try:
        import sgi
    except ImportError:
        pass
    else:
        try:
            tty_name, master_fd = sgi._getpty(os.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, os.O_RDWR)
            except os.error:
                continue
            return (fd, '/dev/tty' + x + y)
    raise os.error('out of pty devices')

def slave_open(tty_name):
    """slave_open(tty_name) -> slave_fd
    Open the pty slave and acquire the controlling terminal, returning
    opened filedescriptor.
    Deprecated, use openpty() instead."""

result = os.open(tty_name, os.O_RDWR)
    try:
        from fcntl import ioctl, I_PUSH
    except ImportError:
        return result
    try:
        ioctl(result, I_PUSH, "ptem")
        ioctl(result, I_PUSH, "ldterm")
    except IOError:
        pass
    return result

def fork():
    """fork() -> (pid, master_fd)
    Fork and make the child a session leader with a controlling terminal."""

try:
        pid, fd = os.forkpty()
    except (AttributeError, OSError):
        pass
    else:
        if pid == CHILD:
            try:
                os.setsid()
            except OSError:
                # os.forkpty() already set us session leader
                pass
        return pid, fd

master_fd, slave_fd = openpty()
    pid = os.fork()
    if pid == CHILD:
        # Establish a new session.
        os.setsid()
        os.close(master_fd)

# 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)

# Explicitly open the tty to make it become a controlling tty.
        tmp_fd = os.open(os.ttyname(STDOUT_FILENO), os.O_RDWR)
        os.close(tmp_fd)
    else:
        os.close(slave_fd)

# Parent and child process.
    return pid, master_fd

def _writen(fd, data):
    """Write all the data to a descriptor."""
    while data:
        n = os.write(fd, data)
        data = data[n:]

def _read(fd):
    """Default read function."""
    return os.read(fd, 1024)

def _copy(master_fd, master_read=_read, stdin_read=_read):
    """Parent copy loop.
    Copies
            pty master -> standard output   (master_read)
            standard input -> pty master    (stdin_read)"""
    fds = [master_fd, STDIN_FILENO]
    while True:
        rfds, wfds, xfds = select(fds, [], [])
        if master_fd in rfds:
            data = master_read(master_fd)
            if not data:  # Reached EOF.
                fds.remove(master_fd)
            else:
                os.write(STDOUT_FILENO, data)
        if STDIN_FILENO in rfds:
            data = stdin_read(STDIN_FILENO)
            if not data:
                fds.remove(STDIN_FILENO)
            else:
                _writen(master_fd, data)

def spawn(argv, master_read=_read, stdin_read=_read):
    """Create a spawned process."""
    if type(argv) == type(''):
        argv = (argv,)
    pid, master_fd = fork()
    if pid == CHILD:
        os.execlp(argv[0], *argv)
    try:
        mode = tty.tcgetattr(STDIN_FILENO)
        tty.setraw(STDIN_FILENO)
        restore = 1
    except tty.error:    # This is the same as termios.error
        restore = 0
    try:
        _copy(master_fd, master_read, stdin_read)
    except (IOError, OSError):
        if restore:
            tty.tcsetattr(STDIN_FILENO, tty.TCSAFLUSH, mode)

os.close(master_fd)