FM / python3.13

/opt/imh/python3.13/lib/python3.13

Name	Size	Mode	Actions
asyncio/	-	0755	rm
collections/	-	0755	rm
concurrent/	-	0755	rm
config-3.13-x86_64-linux-gnu/	-	0755	rm
ctypes/	-	0755	rm
curses/	-	0755	rm
dbm/	-	0755	rm
email/	-	0755	rm
encodings/	-	0755	rm
ensurepip/	-	0755	rm
html/	-	0755	rm
http/	-	0755	rm
idlelib/	-	0755	rm
importlib/	-	0755	rm
json/	-	0755	rm
lib-dynload/	-	0755	rm
logging/	-	0755	rm
multiprocessing/	-	0755	rm
pathlib/	-	0755	rm
pydoc_data/	-	0755	rm
re/	-	0755	rm
site-packages/	-	0755	rm
sqlite3/	-	0755	rm
sysconfig/	-	0755	rm
tkinter/	-	0755	rm
tomllib/	-	0755	rm
turtledemo/	-	0755	rm
unittest/	-	0755	rm
urllib/	-	0755	rm
venv/	-	0755	rm
wsgiref/	-	0755	rm
xml/	-	0755	rm
xmlrpc/	-	0755	rm
zipfile/	-	0755	rm
zoneinfo/	-	0755	rm
_pyrepl/	-	0755	rm
__phello__/	-	0755	rm
__pycache__/	-	0755	rm
abc.py	6538	0644	edit dl rm
antigravity.py	500	0644	edit dl rm
argparse.py	101661	0644	edit dl rm
ast.py	65339	0644	edit dl rm
base64.py	21630	0755	edit dl rm
bdb.py	35343	0644	edit dl rm
bisect.py	3423	0644	edit dl rm
bz2.py	11969	0644	edit dl rm
calendar.py	26077	0644	edit dl rm
cmd.py	15316	0644	edit dl rm
code.py	13170	0644	edit dl rm
codecs.py	36978	0644	edit dl rm
codeop.py	5828	0644	edit dl rm
colorsys.py	4062	0644	edit dl rm
compileall.py	20665	0644	edit dl rm
configparser.py	53831	0644	edit dl rm
contextlib.py	27801	0644	edit dl rm
contextvars.py	129	0644	edit dl rm
copy.py	8975	0644	edit dl rm
copyreg.py	7614	0644	edit dl rm
cProfile.py	6624	0755	edit dl rm
csv.py	19178	0644	edit dl rm
dataclasses.py	64545	0644	edit dl rm
datetime.py	268	0644	edit dl rm
decimal.py	2798	0644	edit dl rm
difflib.py	83367	0644	edit dl rm
dis.py	40962	0644	edit dl rm
doctest.py	109414	0644	edit dl rm
enum.py	85593	0644	edit dl rm
filecmp.py	10652	0644	edit dl rm
fileinput.py	15717	0644	edit dl rm
fnmatch.py	6180	0644	edit dl rm
fractions.py	40090	0644	edit dl rm
ftplib.py	34735	0644	edit dl rm
functools.py	39123	0644	edit dl rm
genericpath.py	6247	0644	edit dl rm
getopt.py	7488	0644	edit dl rm
getpass.py	6233	0644	edit dl rm
gettext.py	21534	0644	edit dl rm
glob.py	19720	0644	edit dl rm
graphlib.py	9648	0644	edit dl rm
gzip.py	24633	0644	edit dl rm
hashlib.py	9446	0644	edit dl rm
heapq.py	23024	0644	edit dl rm
hmac.py	7716	0644	edit dl rm
imaplib.py	54040	0644	edit dl rm
inspect.py	128276	0644	edit dl rm
io.py	3582	0644	edit dl rm
ipaddress.py	81635	0644	edit dl rm
keyword.py	1073	0644	edit dl rm
LICENSE.txt	13809	0644	edit dl rm
linecache.py	7284	0644	edit dl rm
locale.py	79033	0644	edit dl rm
lzma.py	13399	0644	edit dl rm
mailbox.py	81644	0644	edit dl rm
mimetypes.py	23851	0644	edit dl rm
modulefinder.py	23792	0644	edit dl rm
netrc.py	7031	0644	edit dl rm
ntpath.py	32806	0644	edit dl rm
nturl2path.py	2374	0644	edit dl rm
numbers.py	11769	0644	edit dl rm
opcode.py	2825	0644	edit dl rm
operator.py	10980	0644	edit dl rm
optparse.py	60369	0644	edit dl rm
os.py	41627	0644	edit dl rm
pdb.py	90925	0755	edit dl rm
pickle.py	66957	0644	edit dl rm
pickletools.py	94052	0644	edit dl rm
pkgutil.py	18281	0644	edit dl rm
platform.py	47345	0755	edit dl rm
plistlib.py	29794	0644	edit dl rm
poplib.py	14604	0644	edit dl rm
posixpath.py	18360	0644	edit dl rm
pprint.py	24158	0644	edit dl rm
profile.py	23140	0755	edit dl rm
pstats.py	29296	0644	edit dl rm
pty.py	6137	0644	edit dl rm
pyclbr.py	11396	0644	edit dl rm
pydoc.py	110064	0755	edit dl rm
py_compile.py	7837	0644	edit dl rm
queue.py	13455	0644	edit dl rm
quopri.py	7184	0755	edit dl rm
random.py	37006	0644	edit dl rm
reprlib.py	8068	0644	edit dl rm
rlcompleter.py	7918	0644	edit dl rm
runpy.py	12885	0644	edit dl rm
sched.py	6351	0644	edit dl rm
secrets.py	1984	0644	edit dl rm
selectors.py	19457	0644	edit dl rm
shelve.py	8810	0644	edit dl rm
shlex.py	13353	0644	edit dl rm
shutil.py	57463	0644	edit dl rm
signal.py	2495	0644	edit dl rm
site.py	25568	0644	edit dl rm
smtplib.py	43532	0755	edit dl rm
socket.py	37759	0644	edit dl rm
socketserver.py	28065	0644	edit dl rm
sre_compile.py	231	0644	edit dl rm
sre_constants.py	232	0644	edit dl rm
sre_parse.py	229	0644	edit dl rm
ssl.py	52706	0644	edit dl rm
stat.py	6147	0644	edit dl rm
statistics.py	61831	0644	edit dl rm
string.py	11786	0644	edit dl rm
stringprep.py	12917	0644	edit dl rm
struct.py	257	0644	edit dl rm
subprocess.py	89486	0644	edit dl rm
symtable.py	14207	0644	edit dl rm
tabnanny.py	11532	0755	edit dl rm
tarfile.py	114239	0755	edit dl rm
tempfile.py	32406	0644	edit dl rm
textwrap.py	19939	0644	edit dl rm
this.py	1003	0644	edit dl rm
threading.py	55300	0644	edit dl rm
timeit.py	13464	0755	edit dl rm
token.py	2489	0644	edit dl rm
tokenize.py	21568	0644	edit dl rm
trace.py	29714	0755	edit dl rm
traceback.py	66524	0644	edit dl rm
tracemalloc.py	18047	0644	edit dl rm
tty.py	2035	0644	edit dl rm
turtle.py	145215	0644	edit dl rm
types.py	11207	0644	edit dl rm
typing.py	132718	0644	edit dl rm
uuid.py	29458	0644	edit dl rm
warnings.py	26948	0644	edit dl rm
wave.py	23254	0644	edit dl rm
weakref.py	21513	0644	edit dl rm
webbrowser.py	24285	0755	edit dl rm
zipapp.py	8618	0644	edit dl rm
zipimport.py	32890	0644	edit dl rm
_aix_support.py	4021	0644	edit dl rm
_android_support.py	6895	0644	edit dl rm
_apple_support.py	2256	0644	edit dl rm
_collections_abc.py	32264	0644	edit dl rm
_colorize.py	2848	0644	edit dl rm
_compat_pickle.py	8735	0644	edit dl rm
_compression.py	5681	0644	edit dl rm
_ios_support.py	2672	0644	edit dl rm
_markupbase.py	14653	0644	edit dl rm
_opcode_metadata.py	9265	0644	edit dl rm
_osx_support.py	22023	0644	edit dl rm
_pydatetime.py	91983	0644	edit dl rm
_pydecimal.py	227286	0644	edit dl rm
_pyio.py	93693	0644	edit dl rm
_pylong.py	11830	0644	edit dl rm
_py_abc.py	6189	0644	edit dl rm
_sitebuiltins.py	3128	0644	edit dl rm
_strptime.py	34734	0644	edit dl rm
_sysconfigdata__linux_x86_64-linux-gnu.py	45021	0644	edit dl rm
_threading_local.py	4363	0644	edit dl rm
_weakrefset.py	5893	0644	edit dl rm
__future__.py	5218	0644	edit dl rm
__hello__.py	227	0644	edit dl rm

Edit: /opt/imh/python3.13/lib/python3.13/webbrowser.py (24285B)

#! /usr/bin/env python3
"""Interfaces for launching and remotely controlling web browsers."""
# Maintained by Georg Brandl.

import os
import shlex
import shutil
import sys
import subprocess
import threading

__all__ = ["Error", "open", "open_new", "open_new_tab", "get", "register"]

class Error(Exception):
    pass

_lock = threading.RLock()
_browsers = {}                  # Dictionary of available browser controllers
_tryorder = None                # Preference order of available browsers
_os_preferred_browser = None    # The preferred browser

def register(name, klass, instance=None, *, preferred=False):
    """Register a browser connector."""
    with _lock:
        if _tryorder is None:
            register_standard_browsers()
        _browsers[name.lower()] = [klass, instance]

# Preferred browsers go to the front of the list.
        # Need to match to the default browser returned by xdg-settings, which
        # may be of the form e.g. "firefox.desktop".
        if preferred or (_os_preferred_browser and f'{name}.desktop' == _os_preferred_browser):
            _tryorder.insert(0, name)
        else:
            _tryorder.append(name)

def get(using=None):
    """Return a browser launcher instance appropriate for the environment."""
    if _tryorder is None:
        with _lock:
            if _tryorder is None:
                register_standard_browsers()
    if using is not None:
        alternatives = [using]
    else:
        alternatives = _tryorder
    for browser in alternatives:
        if '%s' in browser:
            # User gave us a command line, split it into name and args
            browser = shlex.split(browser)
            if browser[-1] == '&':
                return BackgroundBrowser(browser[:-1])
            else:
                return GenericBrowser(browser)
        else:
            # User gave us a browser name or path.
            try:
                command = _browsers[browser.lower()]
            except KeyError:
                command = _synthesize(browser)
            if command[1] is not None:
                return command[1]
            elif command[0] is not None:
                return command[0]()
    raise Error("could not locate runnable browser")

# Please note: the following definition hides a builtin function.
# It is recommended one does "import webbrowser" and uses webbrowser.open(url)
# instead of "from webbrowser import *".

def open(url, new=0, autoraise=True):
    """Display url using the default browser.

If possible, open url in a location determined by new.
    - 0: the same browser window (the default).
    - 1: a new browser window.
    - 2: a new browser page ("tab").
    If possible, autoraise raises the window (the default) or not.

If opening the browser succeeds, return True.
    If there is a problem, return False.
    """
    if _tryorder is None:
        with _lock:
            if _tryorder is None:
                register_standard_browsers()
    for name in _tryorder:
        browser = get(name)
        if browser.open(url, new, autoraise):
            return True
    return False

def open_new(url):
    """Open url in a new window of the default browser.

If not possible, then open url in the only browser window.
    """
    return open(url, 1)

def open_new_tab(url):
    """Open url in a new page ("tab") of the default browser.

If not possible, then the behavior becomes equivalent to open_new().
    """
    return open(url, 2)

def _synthesize(browser, *, preferred=False):
    """Attempt to synthesize a controller based on existing controllers.

This is useful to create a controller when a user specifies a path to
    an entry in the BROWSER environment variable -- we can copy a general
    controller to operate using a specific installation of the desired
    browser in this way.

If we can't create a controller in this way, or if there is no
    executable for the requested browser, return [None, None].

"""
    cmd = browser.split()[0]
    if not shutil.which(cmd):
        return [None, None]
    name = os.path.basename(cmd)
    try:
        command = _browsers[name.lower()]
    except KeyError:
        return [None, None]
    # now attempt to clone to fit the new name:
    controller = command[1]
    if controller and name.lower() == controller.basename:
        import copy
        controller = copy.copy(controller)
        controller.name = browser
        controller.basename = os.path.basename(browser)
        register(browser, None, instance=controller, preferred=preferred)
        return [None, controller]
    return [None, None]

# General parent classes

class BaseBrowser:
    """Parent class for all browsers. Do not use directly."""

args = ['%s']

def __init__(self, name=""):
        self.name = name
        self.basename = name

def open(self, url, new=0, autoraise=True):
        raise NotImplementedError

def open_new(self, url):
        return self.open(url, 1)

def open_new_tab(self, url):
        return self.open(url, 2)

class GenericBrowser(BaseBrowser):
    """Class for all browsers started with a command
       and without remote functionality."""

def __init__(self, name):
        if isinstance(name, str):
            self.name = name
            self.args = ["%s"]
        else:
            # name should be a list with arguments
            self.name = name[0]
            self.args = name[1:]
        self.basename = os.path.basename(self.name)

def open(self, url, new=0, autoraise=True):
        sys.audit("webbrowser.open", url)
        cmdline = [self.name] + [arg.replace("%s", url)
                                 for arg in self.args]
        try:
            if sys.platform[:3] == 'win':
                p = subprocess.Popen(cmdline)
            else:
                p = subprocess.Popen(cmdline, close_fds=True)
            return not p.wait()
        except OSError:
            return False

class BackgroundBrowser(GenericBrowser):
    """Class for all browsers which are to be started in the
       background."""

def open(self, url, new=0, autoraise=True):
        cmdline = [self.name] + [arg.replace("%s", url)
                                 for arg in self.args]
        sys.audit("webbrowser.open", url)
        try:
            if sys.platform[:3] == 'win':
                p = subprocess.Popen(cmdline)
            else:
                p = subprocess.Popen(cmdline, close_fds=True,
                                     start_new_session=True)
            return p.poll() is None
        except OSError:
            return False

class UnixBrowser(BaseBrowser):
    """Parent class for all Unix browsers with remote functionality."""

raise_opts = None
    background = False
    redirect_stdout = True
    # In remote_args, %s will be replaced with the requested URL.  %action will
    # be replaced depending on the value of 'new' passed to open.
    # remote_action is used for new=0 (open).  If newwin is not None, it is
    # used for new=1 (open_new).  If newtab is not None, it is used for
    # new=3 (open_new_tab).  After both substitutions are made, any empty
    # strings in the transformed remote_args list will be removed.
    remote_args = ['%action', '%s']
    remote_action = None
    remote_action_newwin = None
    remote_action_newtab = None

def _invoke(self, args, remote, autoraise, url=None):
        raise_opt = []
        if remote and self.raise_opts:
            # use autoraise argument only for remote invocation
            autoraise = int(autoraise)
            opt = self.raise_opts[autoraise]
            if opt:
                raise_opt = [opt]

cmdline = [self.name] + raise_opt + args

if remote or self.background:
            inout = subprocess.DEVNULL
        else:
            # for TTY browsers, we need stdin/out
            inout = None
        p = subprocess.Popen(cmdline, close_fds=True, stdin=inout,
                             stdout=(self.redirect_stdout and inout or None),
                             stderr=inout, start_new_session=True)
        if remote:
            # wait at most five seconds. If the subprocess is not finished, the
            # remote invocation has (hopefully) started a new instance.
            try:
                rc = p.wait(5)
                # if remote call failed, open() will try direct invocation
                return not rc
            except subprocess.TimeoutExpired:
                return True
        elif self.background:
            if p.poll() is None:
                return True
            else:
                return False
        else:
            return not p.wait()

def open(self, url, new=0, autoraise=True):
        sys.audit("webbrowser.open", url)
        if new == 0:
            action = self.remote_action
        elif new == 1:
            action = self.remote_action_newwin
        elif new == 2:
            if self.remote_action_newtab is None:
                action = self.remote_action_newwin
            else:
                action = self.remote_action_newtab
        else:
            raise Error("Bad 'new' parameter to open(); "
                        f"expected 0, 1, or 2, got {new}")

args = [arg.replace("%s", url).replace("%action", action)
                for arg in self.remote_args]
        args = [arg for arg in args if arg]
        success = self._invoke(args, True, autoraise, url)
        if not success:
            # remote invocation failed, try straight way
            args = [arg.replace("%s", url) for arg in self.args]
            return self._invoke(args, False, False)
        else:
            return True

class Mozilla(UnixBrowser):
    """Launcher class for Mozilla browsers."""

remote_args = ['%action', '%s']
    remote_action = ""
    remote_action_newwin = "-new-window"
    remote_action_newtab = "-new-tab"
    background = True

class Epiphany(UnixBrowser):
    """Launcher class for Epiphany browser."""

raise_opts = ["-noraise", ""]
    remote_args = ['%action', '%s']
    remote_action = "-n"
    remote_action_newwin = "-w"
    background = True

class Chrome(UnixBrowser):
    """Launcher class for Google Chrome browser."""

remote_args = ['%action', '%s']
    remote_action = ""
    remote_action_newwin = "--new-window"
    remote_action_newtab = ""
    background = True

Chromium = Chrome

class Opera(UnixBrowser):
    """Launcher class for Opera browser."""

remote_args = ['%action', '%s']
    remote_action = ""
    remote_action_newwin = "--new-window"
    remote_action_newtab = ""
    background = True

class Elinks(UnixBrowser):
    """Launcher class for Elinks browsers."""

remote_args = ['-remote', 'openURL(%s%action)']
    remote_action = ""
    remote_action_newwin = ",new-window"
    remote_action_newtab = ",new-tab"
    background = False

# elinks doesn't like its stdout to be redirected -
    # it uses redirected stdout as a signal to do -dump
    redirect_stdout = False

class Konqueror(BaseBrowser):
    """Controller for the KDE File Manager (kfm, or Konqueror).

See the output of ``kfmclient --commands``
    for more information on the Konqueror remote-control interface.
    """

def open(self, url, new=0, autoraise=True):
        sys.audit("webbrowser.open", url)
        # XXX Currently I know no way to prevent KFM from opening a new win.
        if new == 2:
            action = "newTab"
        else:
            action = "openURL"

devnull = subprocess.DEVNULL

try:
            p = subprocess.Popen(["kfmclient", action, url],
                                 close_fds=True, stdin=devnull,
                                 stdout=devnull, stderr=devnull)
        except OSError:
            # fall through to next variant
            pass
        else:
            p.wait()
            # kfmclient's return code unfortunately has no meaning as it seems
            return True

try:
            p = subprocess.Popen(["konqueror", "--silent", url],
                                 close_fds=True, stdin=devnull,
                                 stdout=devnull, stderr=devnull,
                                 start_new_session=True)
        except OSError:
            # fall through to next variant
            pass
        else:
            if p.poll() is None:
                # Should be running now.
                return True

try:
            p = subprocess.Popen(["kfm", "-d", url],
                                 close_fds=True, stdin=devnull,
                                 stdout=devnull, stderr=devnull,
                                 start_new_session=True)
        except OSError:
            return False
        else:
            return p.poll() is None

class Edge(UnixBrowser):
    """Launcher class for Microsoft Edge browser."""

remote_args = ['%action', '%s']
    remote_action = ""
    remote_action_newwin = "--new-window"
    remote_action_newtab = ""
    background = True

#
# Platform support for Unix
#

# These are the right tests because all these Unix browsers require either
# a console terminal or an X display to run.

def register_X_browsers():

# use xdg-open if around
    if shutil.which("xdg-open"):
        register("xdg-open", None, BackgroundBrowser("xdg-open"))

# Opens an appropriate browser for the URL scheme according to
    # freedesktop.org settings (GNOME, KDE, XFCE, etc.)
    if shutil.which("gio"):
        register("gio", None, BackgroundBrowser(["gio", "open", "--", "%s"]))

xdg_desktop = os.getenv("XDG_CURRENT_DESKTOP", "").split(":")

# The default GNOME3 browser
    if (("GNOME" in xdg_desktop or
         "GNOME_DESKTOP_SESSION_ID" in os.environ) and
            shutil.which("gvfs-open")):
        register("gvfs-open", None, BackgroundBrowser("gvfs-open"))

# The default KDE browser
    if (("KDE" in xdg_desktop or
         "KDE_FULL_SESSION" in os.environ) and
            shutil.which("kfmclient")):
        register("kfmclient", Konqueror, Konqueror("kfmclient"))

# Common symbolic link for the default X11 browser
    if shutil.which("x-www-browser"):
        register("x-www-browser", None, BackgroundBrowser("x-www-browser"))

# The Mozilla browsers
    for browser in ("firefox", "iceweasel", "seamonkey", "mozilla-firefox",
                    "mozilla"):
        if shutil.which(browser):
            register(browser, None, Mozilla(browser))

# Konqueror/kfm, the KDE browser.
    if shutil.which("kfm"):
        register("kfm", Konqueror, Konqueror("kfm"))
    elif shutil.which("konqueror"):
        register("konqueror", Konqueror, Konqueror("konqueror"))

# Gnome's Epiphany
    if shutil.which("epiphany"):
        register("epiphany", None, Epiphany("epiphany"))

# Google Chrome/Chromium browsers
    for browser in ("google-chrome", "chrome", "chromium", "chromium-browser"):
        if shutil.which(browser):
            register(browser, None, Chrome(browser))

# Opera, quite popular
    if shutil.which("opera"):
        register("opera", None, Opera("opera"))

if shutil.which("microsoft-edge"):
        register("microsoft-edge", None, Edge("microsoft-edge"))

def register_standard_browsers():
    global _tryorder
    _tryorder = []

if sys.platform == 'darwin':
        register("MacOSX", None, MacOSXOSAScript('default'))
        register("chrome", None, MacOSXOSAScript('chrome'))
        register("firefox", None, MacOSXOSAScript('firefox'))
        register("safari", None, MacOSXOSAScript('safari'))
        # OS X can use below Unix support (but we prefer using the OS X
        # specific stuff)

if sys.platform == "ios":
        register("iosbrowser", None, IOSBrowser(), preferred=True)

if sys.platform == "serenityos":
        # SerenityOS webbrowser, simply called "Browser".
        register("Browser", None, BackgroundBrowser("Browser"))

if sys.platform[:3] == "win":
        # First try to use the default Windows browser
        register("windows-default", WindowsDefault)

# Detect some common Windows browsers, fallback to Microsoft Edge
        # location in 64-bit Windows
        edge64 = os.path.join(os.environ.get("PROGRAMFILES(x86)", "C:\\Program Files (x86)"),
                              "Microsoft\\Edge\\Application\\msedge.exe")
        # location in 32-bit Windows
        edge32 = os.path.join(os.environ.get("PROGRAMFILES", "C:\\Program Files"),
                              "Microsoft\\Edge\\Application\\msedge.exe")
        for browser in ("firefox", "seamonkey", "mozilla", "chrome",
                        "opera", edge64, edge32):
            if shutil.which(browser):
                register(browser, None, BackgroundBrowser(browser))
        if shutil.which("MicrosoftEdge.exe"):
            register("microsoft-edge", None, Edge("MicrosoftEdge.exe"))
    else:
        # Prefer X browsers if present
        #
        # NOTE: Do not check for X11 browser on macOS,
        # XQuartz installation sets a DISPLAY environment variable and will
        # autostart when someone tries to access the display. Mac users in
        # general don't need an X11 browser.
        if sys.platform != "darwin" and (os.environ.get("DISPLAY") or os.environ.get("WAYLAND_DISPLAY")):
            try:
                cmd = "xdg-settings get default-web-browser".split()
                raw_result = subprocess.check_output(cmd, stderr=subprocess.DEVNULL)
                result = raw_result.decode().strip()
            except (FileNotFoundError, subprocess.CalledProcessError,
                    PermissionError, NotADirectoryError):
                pass
            else:
                global _os_preferred_browser
                _os_preferred_browser = result

register_X_browsers()

# Also try console browsers
        if os.environ.get("TERM"):
            # Common symbolic link for the default text-based browser
            if shutil.which("www-browser"):
                register("www-browser", None, GenericBrowser("www-browser"))
            # The Links/elinks browsers <http://links.twibright.com/>
            if shutil.which("links"):
                register("links", None, GenericBrowser("links"))
            if shutil.which("elinks"):
                register("elinks", None, Elinks("elinks"))
            # The Lynx browser <https://lynx.invisible-island.net/>, <http://lynx.browser.org/>
            if shutil.which("lynx"):
                register("lynx", None, GenericBrowser("lynx"))
            # The w3m browser <http://w3m.sourceforge.net/>
            if shutil.which("w3m"):
                register("w3m", None, GenericBrowser("w3m"))

# OK, now that we know what the default preference orders for each
    # platform are, allow user to override them with the BROWSER variable.
    if "BROWSER" in os.environ:
        userchoices = os.environ["BROWSER"].split(os.pathsep)
        userchoices.reverse()

# Treat choices in same way as if passed into get() but do register
        # and prepend to _tryorder
        for cmdline in userchoices:
            if cmdline != '':
                cmd = _synthesize(cmdline, preferred=True)
                if cmd[1] is None:
                    register(cmdline, None, GenericBrowser(cmdline), preferred=True)

# what to do if _tryorder is now empty?

#
# Platform support for Windows
#

if sys.platform[:3] == "win":
    class WindowsDefault(BaseBrowser):
        def open(self, url, new=0, autoraise=True):
            sys.audit("webbrowser.open", url)
            try:
                os.startfile(url)
            except OSError:
                # [Error 22] No application is associated with the specified
                # file for this operation: '<URL>'
                return False
            else:
                return True

#
# Platform support for macOS
#

if sys.platform == 'darwin':
    class MacOSXOSAScript(BaseBrowser):
        def __init__(self, name='default'):
            super().__init__(name)

def open(self, url, new=0, autoraise=True):
            sys.audit("webbrowser.open", url)
            url = url.replace('"', '%22')
            if self.name == 'default':
                script = f'open location "{url}"'  # opens in default browser
            else:
                script = f'''
                   tell application "{self.name}"
                       activate
                       open location "{url}"
                   end
                   '''

osapipe = os.popen("osascript", "w")
            if osapipe is None:
                return False

osapipe.write(script)
            rc = osapipe.close()
            return not rc

#
# Platform support for iOS
#
if sys.platform == "ios":
    from _ios_support import objc
    if objc:
        # If objc exists, we know ctypes is also importable.
        from ctypes import c_void_p, c_char_p, c_ulong

class IOSBrowser(BaseBrowser):
        def open(self, url, new=0, autoraise=True):
            sys.audit("webbrowser.open", url)
            # If ctypes isn't available, we can't open a browser
            if objc is None:
                return False

# All the messages in this call return object references.
            objc.objc_msgSend.restype = c_void_p

# This is the equivalent of:
            #    NSString url_string =
            #        [NSString stringWithCString:url.encode("utf-8")
            #                           encoding:NSUTF8StringEncoding];
            NSString = objc.objc_getClass(b"NSString")
            constructor = objc.sel_registerName(b"stringWithCString:encoding:")
            objc.objc_msgSend.argtypes = [c_void_p, c_void_p, c_char_p, c_ulong]
            url_string = objc.objc_msgSend(
                NSString,
                constructor,
                url.encode("utf-8"),
                4,  # NSUTF8StringEncoding = 4
            )

# Create an NSURL object representing the URL
            # This is the equivalent of:
            #   NSURL *nsurl = [NSURL URLWithString:url];
            NSURL = objc.objc_getClass(b"NSURL")
            urlWithString_ = objc.sel_registerName(b"URLWithString:")
            objc.objc_msgSend.argtypes = [c_void_p, c_void_p, c_void_p]
            ns_url = objc.objc_msgSend(NSURL, urlWithString_, url_string)

# Get the shared UIApplication instance
            # This code is the equivalent of:
            # UIApplication shared_app = [UIApplication sharedApplication]
            UIApplication = objc.objc_getClass(b"UIApplication")
            sharedApplication = objc.sel_registerName(b"sharedApplication")
            objc.objc_msgSend.argtypes = [c_void_p, c_void_p]
            shared_app = objc.objc_msgSend(UIApplication, sharedApplication)

# Open the URL on the shared application
            # This code is the equivalent of:
            #   [shared_app openURL:ns_url
            #               options:NIL
            #     completionHandler:NIL];
            openURL_ = objc.sel_registerName(b"openURL:options:completionHandler:")
            objc.objc_msgSend.argtypes = [
                c_void_p, c_void_p, c_void_p, c_void_p, c_void_p
            ]
            # Method returns void
            objc.objc_msgSend.restype = None
            objc.objc_msgSend(shared_app, openURL_, ns_url, None, None)

return True

def parse_args(arg_list: list[str] | None):
    import argparse
    parser = argparse.ArgumentParser(description="Open URL in a web browser.")
    parser.add_argument("url", help="URL to open")

group = parser.add_mutually_exclusive_group()
    group.add_argument("-n", "--new-window", action="store_const",
                       const=1, default=0, dest="new_win",
                       help="open new window")
    group.add_argument("-t", "--new-tab", action="store_const",
                       const=2, default=0, dest="new_win",
                       help="open new tab")

args = parser.parse_args(arg_list)

return args

def main(arg_list: list[str] | None = None):
    args = parse_args(arg_list)

open(args.url, args.new_win)

print("\a")

if __name__ == "__main__":
    main()

cmd: