golden hour

/opt/alt/python311/lib64/python3.11

File/Folder	Size	Actions
LICENSE.txt	13.61 KB
__future__.py	5.1 KB
__hello__.py	227 B
__pycache__	-
_aix_support.py	3.31 KB
_bootsubprocess.py	2.61 KB
_collections_abc.py	29.49 KB
_compat_pickle.py	8.56 KB
_compression.py	5.55 KB
_markupbase.py	14.31 KB
_osx_support.py	21.51 KB
_py_abc.py	6.04 KB
_pydecimal.py	223.83 KB
_pyio.py	91.99 KB
_sitebuiltins.py	3.05 KB
_strptime.py	24.58 KB
_sysconfigdata__linux_x86_64-linux-gnu.py	57.93 KB
_sysconfigdata_d_linux_x86_64-linux-gnu.py	57.16 KB
_threading_local.py	7.05 KB
_weakrefset.py	5.75 KB
abc.py	6.38 KB
aifc.py	33.41 KB
antigravity.py	500 B
argparse.py	97.93 KB
ast.py	60 KB
asynchat.py	11.3 KB
asyncio	-
asyncore.py	19.83 KB
base64.py	20.55 KB
bdb.py	31.7 KB
bisect.py	3.06 KB
bz2.py	11.57 KB
cProfile.py	6.21 KB
calendar.py	24.15 KB
cgi.py	33.63 KB
cgitb.py	12.13 KB
chunk.py	5.37 KB
cmd.py	14.52 KB
code.py	10.37 KB
codecs.py	36.28 KB
codeop.py	5.77 KB
collections	-
colorsys.py	3.97 KB
compileall.py	19.78 KB
concurrent	-
config-3.11-x86_64-linux-gnu	-
configparser.py	54.36 KB
contextlib.py	26.77 KB
contextvars.py	129 B
copy.py	8.48 KB
copyreg.py	7.5 KB
crypt.py	3.82 KB
csv.py	15.65 KB
ctypes	-
curses	-
dataclasses.py	57.1 KB
datetime.py	89.68 KB
dbm	-
decimal.py	320 B
difflib.py	81.36 KB
dis.py	28.23 KB
distutils	-
doctest.py	103.81 KB
email	-
encodings	-
ensurepip	-
enum.py	77.72 KB
filecmp.py	9.94 KB
fileinput.py	15.35 KB
fnmatch.py	5.86 KB
fractions.py	28 KB
ftplib.py	34.98 KB
functools.py	37.51 KB
genericpath.py	5.12 KB
getopt.py	7.31 KB
getpass.py	5.85 KB
gettext.py	20.82 KB
glob.py	8.53 KB
graphlib.py	9.43 KB
gzip.py	23.51 KB
hashlib.py	11.49 KB
heapq.py	22.48 KB
hmac.py	7.54 KB
html	-
http	-
imaplib.py	53.92 KB
imghdr.py	3.86 KB
imp.py	10.36 KB
importlib	-
inspect.py	120.53 KB
io.py	4.22 KB
ipaddress.py	79.51 KB
json	-
keyword.py	1.04 KB
lib-dynload	-
lib2to3	-
linecache.py	5.52 KB
locale.py	77.24 KB
logging	-
lzma.py	12.97 KB
mailbox.py	76.98 KB
mailcap.py	9.15 KB
mimetypes.py	22.42 KB
modulefinder.py	23.14 KB
multiprocessing	-
netrc.py	6.77 KB
nntplib.py	40.12 KB
ntpath.py	28.09 KB
nturl2path.py	2.82 KB
numbers.py	10.11 KB
opcode.py	10.2 KB
operator.py	10.71 KB
optparse.py	58.95 KB
os.py	38.6 KB
pathlib.py	47.43 KB
pdb.py	62.68 KB
pickle.py	63.61 KB
pickletools.py	91.66 KB
pipes.py	8.77 KB
pkgutil.py	24.06 KB
platform.py	41.3 KB
plistlib.py	27.92 KB
poplib.py	14.84 KB
posixpath.py	16.67 KB
pprint.py	24.01 KB
profile.py	22.36 KB
pstats.py	28.67 KB
pty.py	6.17 KB
py_compile.py	7.65 KB
pyclbr.py	11.13 KB
pydoc.py	110.02 KB
pydoc_data	-
queue.py	11.23 KB
quopri.py	7.11 KB
random.py	31.41 KB
re	-
reprlib.py	5.31 KB
rlcompleter.py	7.64 KB
runpy.py	12.85 KB
sched.py	6.2 KB
secrets.py	1.98 KB
selectors.py	19.21 KB
shelve.py	8.36 KB
shlex.py	13.18 KB
shutil.py	55.19 KB
signal.py	2.44 KB
site-packages	-
site.py	22.45 KB
smtpd.py	30.44 KB
smtplib.py	44.37 KB
sndhdr.py	7.27 KB
socket.py	36.68 KB
socketserver.py	26.94 KB
sqlite3	-
sre_compile.py	231 B
sre_constants.py	232 B
sre_parse.py	229 B
ssl.py	53.03 KB
stat.py	5.36 KB
statistics.py	46.59 KB
string.py	11.51 KB
stringprep.py	12.61 KB
struct.py	257 B
subprocess.py	86.65 KB
sunau.py	18.05 KB
symtable.py	10.13 KB
sysconfig.py	29.6 KB
tabnanny.py	11.05 KB
tarfile.py	109.33 KB
telnetlib.py	22.75 KB
tempfile.py	31.13 KB
textwrap.py	19.26 KB
this.py	1003 B
threading.py	56.87 KB
timeit.py	13.21 KB
token.py	2.33 KB
tokenize.py	25.72 KB
tomllib	-
trace.py	28.51 KB
traceback.py	39.6 KB
tracemalloc.py	17.62 KB
tty.py	879 B
types.py	9.83 KB
typing.py	118.12 KB
unittest	-
urllib	-
uu.py	7.17 KB
uuid.py	26.95 KB
venv	-
warnings.py	20.62 KB
wave.py	21.31 KB
weakref.py	21.01 KB
webbrowser.py	24.56 KB
wsgiref	-
xdrlib.py	5.84 KB
xml	-
xmlrpc	-
zipapp.py	7.36 KB
zipfile.py	92.23 KB
zipimport.py	30.17 KB
zoneinfo	-

Edit: pty.py

"""Pseudo terminal utilities."""

# Bugs: No signal handling.  Doesn't set slave termios and window size.
#       Only tested on Linux, FreeBSD, and macOS.
# 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 sys
import tty

# names imported directly for test mocking purposes
from os import close, waitpid
from tty import setraw, tcgetattr, tcsetattr

__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)."""
    for x in 'pqrstuvwxyzPQRST':
        for y in '0123456789abcdef':
            pty_name = '/dev/pty' + x + y
            try:
                fd = os.open(pty_name, os.O_RDWR)
            except OSError:
                continue
            return (fd, '/dev/tty' + x + y)
    raise OSError('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 OSError:
        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 _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)"""
    if os.get_blocking(master_fd):
        # If we write more than tty/ndisc is willing to buffer, we may block
        # indefinitely. So we set master_fd to non-blocking temporarily during
        # the copy operation.
        os.set_blocking(master_fd, False)
        try:
            _copy(master_fd, master_read=master_read, stdin_read=stdin_read)
        finally:
            # restore blocking mode for backwards compatibility
            os.set_blocking(master_fd, True)
        return
    high_waterlevel = 4096
    stdin_avail = master_fd != STDIN_FILENO
    stdout_avail = master_fd != STDOUT_FILENO
    i_buf = b''
    o_buf = b''
    while 1:
        rfds = []
        wfds = []
        if stdin_avail and len(i_buf) < high_waterlevel:
            rfds.append(STDIN_FILENO)
        if stdout_avail and len(o_buf) < high_waterlevel:
            rfds.append(master_fd)
        if stdout_avail and len(o_buf) > 0:
            wfds.append(STDOUT_FILENO)
        if len(i_buf) > 0:
            wfds.append(master_fd)

rfds, wfds, _xfds = select(rfds, wfds, [])

if STDOUT_FILENO in wfds:
            try:
                n = os.write(STDOUT_FILENO, o_buf)
                o_buf = o_buf[n:]
            except OSError:
                stdout_avail = False

if master_fd in rfds:
            # Some OSes signal EOF by returning an empty byte string,
            # some throw OSErrors.
            try:
                data = master_read(master_fd)
            except OSError:
                data = b""
            if not data:  # Reached EOF.
                return    # Assume the child process has exited and is
                          # unreachable, so we clean up.
            o_buf += data

if master_fd in wfds:
            n = os.write(master_fd, i_buf)
            i_buf = i_buf[n:]

if stdin_avail and STDIN_FILENO in rfds:
            data = stdin_read(STDIN_FILENO)
            if not data:
                stdin_avail = False
            else:
                i_buf += data

def spawn(argv, master_read=_read, stdin_read=_read):
    """Create a spawned process."""
    if type(argv) == type(''):
        argv = (argv,)
    sys.audit('pty.spawn', argv)

pid, master_fd = fork()
    if pid == CHILD:
        os.execlp(argv[0], *argv)

try:
        mode = tcgetattr(STDIN_FILENO)
        setraw(STDIN_FILENO)
        restore = True
    except tty.error:    # This is the same as termios.error
        restore = False

try:
        _copy(master_fd, master_read, stdin_read)
    finally:
        if restore:
            tcsetattr(STDIN_FILENO, tty.TCSAFLUSH, mode)

close(master_fd)
    return waitpid(pid, 0)[1]