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			709 lines
		
	
	
	
		
			24 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			709 lines
		
	
	
	
		
			24 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| """Interfaces for launching and remotely controlling web browsers."""
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| # Maintained by Georg Brandl.
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| 
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| import os
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| import shlex
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| import shutil
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| import sys
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| import subprocess
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| import threading
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| 
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| __all__ = ["Error", "open", "open_new", "open_new_tab", "get", "register"]
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| 
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| 
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| class Error(Exception):
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|     pass
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| 
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| 
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| _lock = threading.RLock()
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| _browsers = {}                  # Dictionary of available browser controllers
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| _tryorder = None                # Preference order of available browsers
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| _os_preferred_browser = None    # The preferred browser
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| 
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| 
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| def register(name, klass, instance=None, *, preferred=False):
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|     """Register a browser connector."""
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|     with _lock:
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|         if _tryorder is None:
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|             register_standard_browsers()
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|         _browsers[name.lower()] = [klass, instance]
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| 
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|         # Preferred browsers go to the front of the list.
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|         # Need to match to the default browser returned by xdg-settings, which
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|         # may be of the form e.g. "firefox.desktop".
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|         if preferred or (_os_preferred_browser and f'{name}.desktop' == _os_preferred_browser):
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|             _tryorder.insert(0, name)
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|         else:
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|             _tryorder.append(name)
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| 
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| 
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| def get(using=None):
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|     """Return a browser launcher instance appropriate for the environment."""
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|     if _tryorder is None:
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|         with _lock:
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|             if _tryorder is None:
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|                 register_standard_browsers()
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|     if using is not None:
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|         alternatives = [using]
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|     else:
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|         alternatives = _tryorder
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|     for browser in alternatives:
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|         if '%s' in browser:
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|             # User gave us a command line, split it into name and args
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|             browser = shlex.split(browser)
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|             if browser[-1] == '&':
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|                 return BackgroundBrowser(browser[:-1])
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|             else:
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|                 return GenericBrowser(browser)
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|         else:
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|             # User gave us a browser name or path.
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|             try:
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|                 command = _browsers[browser.lower()]
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|             except KeyError:
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|                 command = _synthesize(browser)
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|             if command[1] is not None:
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|                 return command[1]
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|             elif command[0] is not None:
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|                 return command[0]()
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|     raise Error("could not locate runnable browser")
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| 
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| 
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| # Please note: the following definition hides a builtin function.
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| # It is recommended one does "import webbrowser" and uses webbrowser.open(url)
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| # instead of "from webbrowser import *".
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| 
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| def open(url, new=0, autoraise=True):
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|     """Display url using the default browser.
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| 
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|     If possible, open url in a location determined by new.
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|     - 0: the same browser window (the default).
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|     - 1: a new browser window.
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|     - 2: a new browser page ("tab").
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|     If possible, autoraise raises the window (the default) or not.
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| 
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|     If opening the browser succeeds, return True.
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|     If there is a problem, return False.
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|     """
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|     if _tryorder is None:
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|         with _lock:
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|             if _tryorder is None:
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|                 register_standard_browsers()
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|     for name in _tryorder:
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|         browser = get(name)
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|         if browser.open(url, new, autoraise):
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|             return True
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|     return False
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| 
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| 
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| def open_new(url):
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|     """Open url in a new window of the default browser.
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| 
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|     If not possible, then open url in the only browser window.
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|     """
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|     return open(url, 1)
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| 
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| 
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| def open_new_tab(url):
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|     """Open url in a new page ("tab") of the default browser.
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| 
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|     If not possible, then the behavior becomes equivalent to open_new().
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|     """
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|     return open(url, 2)
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| 
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| 
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| def _synthesize(browser, *, preferred=False):
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|     """Attempt to synthesize a controller based on existing controllers.
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| 
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|     This is useful to create a controller when a user specifies a path to
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|     an entry in the BROWSER environment variable -- we can copy a general
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|     controller to operate using a specific installation of the desired
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|     browser in this way.
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| 
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|     If we can't create a controller in this way, or if there is no
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|     executable for the requested browser, return [None, None].
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| 
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|     """
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|     cmd = browser.split()[0]
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|     if not shutil.which(cmd):
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|         return [None, None]
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|     name = os.path.basename(cmd)
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|     try:
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|         command = _browsers[name.lower()]
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|     except KeyError:
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|         return [None, None]
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|     # now attempt to clone to fit the new name:
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|     controller = command[1]
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|     if controller and name.lower() == controller.basename:
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|         import copy
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|         controller = copy.copy(controller)
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|         controller.name = browser
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|         controller.basename = os.path.basename(browser)
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|         register(browser, None, instance=controller, preferred=preferred)
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|         return [None, controller]
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|     return [None, None]
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| 
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| 
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| # General parent classes
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| 
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| class BaseBrowser:
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|     """Parent class for all browsers. Do not use directly."""
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| 
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|     args = ['%s']
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| 
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|     def __init__(self, name=""):
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|         self.name = name
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|         self.basename = name
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| 
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|     def open(self, url, new=0, autoraise=True):
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|         raise NotImplementedError
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| 
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|     def open_new(self, url):
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|         return self.open(url, 1)
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| 
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|     def open_new_tab(self, url):
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|         return self.open(url, 2)
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| 
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| 
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| class GenericBrowser(BaseBrowser):
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|     """Class for all browsers started with a command
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|        and without remote functionality."""
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| 
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|     def __init__(self, name):
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|         if isinstance(name, str):
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|             self.name = name
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|             self.args = ["%s"]
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|         else:
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|             # name should be a list with arguments
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|             self.name = name[0]
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|             self.args = name[1:]
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|         self.basename = os.path.basename(self.name)
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| 
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|     def open(self, url, new=0, autoraise=True):
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|         sys.audit("webbrowser.open", url)
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|         cmdline = [self.name] + [arg.replace("%s", url)
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|                                  for arg in self.args]
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|         try:
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|             if sys.platform[:3] == 'win':
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|                 p = subprocess.Popen(cmdline)
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|             else:
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|                 p = subprocess.Popen(cmdline, close_fds=True)
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|             return not p.wait()
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|         except OSError:
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|             return False
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| 
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| 
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| class BackgroundBrowser(GenericBrowser):
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|     """Class for all browsers which are to be started in the
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|        background."""
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| 
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|     def open(self, url, new=0, autoraise=True):
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|         cmdline = [self.name] + [arg.replace("%s", url)
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|                                  for arg in self.args]
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|         sys.audit("webbrowser.open", url)
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|         try:
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|             if sys.platform[:3] == 'win':
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|                 p = subprocess.Popen(cmdline)
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|             else:
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|                 p = subprocess.Popen(cmdline, close_fds=True,
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|                                      start_new_session=True)
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|             return p.poll() is None
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|         except OSError:
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|             return False
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| 
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| 
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| class UnixBrowser(BaseBrowser):
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|     """Parent class for all Unix browsers with remote functionality."""
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| 
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|     raise_opts = None
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|     background = False
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|     redirect_stdout = True
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|     # In remote_args, %s will be replaced with the requested URL.  %action will
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|     # be replaced depending on the value of 'new' passed to open.
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|     # remote_action is used for new=0 (open).  If newwin is not None, it is
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|     # used for new=1 (open_new).  If newtab is not None, it is used for
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|     # new=3 (open_new_tab).  After both substitutions are made, any empty
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|     # strings in the transformed remote_args list will be removed.
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|     remote_args = ['%action', '%s']
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|     remote_action = None
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|     remote_action_newwin = None
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|     remote_action_newtab = None
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| 
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|     def _invoke(self, args, remote, autoraise, url=None):
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|         raise_opt = []
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|         if remote and self.raise_opts:
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|             # use autoraise argument only for remote invocation
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|             autoraise = int(autoraise)
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|             opt = self.raise_opts[autoraise]
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|             if opt:
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|                 raise_opt = [opt]
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| 
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|         cmdline = [self.name] + raise_opt + args
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| 
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|         if remote or self.background:
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|             inout = subprocess.DEVNULL
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|         else:
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|             # for TTY browsers, we need stdin/out
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|             inout = None
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|         p = subprocess.Popen(cmdline, close_fds=True, stdin=inout,
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|                              stdout=(self.redirect_stdout and inout or None),
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|                              stderr=inout, start_new_session=True)
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|         if remote:
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|             # wait at most five seconds. If the subprocess is not finished, the
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|             # remote invocation has (hopefully) started a new instance.
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|             try:
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|                 rc = p.wait(5)
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|                 # if remote call failed, open() will try direct invocation
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|                 return not rc
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|             except subprocess.TimeoutExpired:
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|                 return True
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|         elif self.background:
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|             if p.poll() is None:
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|                 return True
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|             else:
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|                 return False
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|         else:
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|             return not p.wait()
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| 
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|     def open(self, url, new=0, autoraise=True):
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|         sys.audit("webbrowser.open", url)
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|         if new == 0:
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|             action = self.remote_action
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|         elif new == 1:
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|             action = self.remote_action_newwin
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|         elif new == 2:
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|             if self.remote_action_newtab is None:
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|                 action = self.remote_action_newwin
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|             else:
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|                 action = self.remote_action_newtab
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|         else:
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|             raise Error("Bad 'new' parameter to open(); "
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|                         f"expected 0, 1, or 2, got {new}")
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| 
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|         args = [arg.replace("%s", url).replace("%action", action)
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|                 for arg in self.remote_args]
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|         args = [arg for arg in args if arg]
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|         success = self._invoke(args, True, autoraise, url)
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|         if not success:
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|             # remote invocation failed, try straight way
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|             args = [arg.replace("%s", url) for arg in self.args]
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|             return self._invoke(args, False, False)
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|         else:
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|             return True
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| 
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| 
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| class Mozilla(UnixBrowser):
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|     """Launcher class for Mozilla browsers."""
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| 
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|     remote_args = ['%action', '%s']
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|     remote_action = ""
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|     remote_action_newwin = "-new-window"
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|     remote_action_newtab = "-new-tab"
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|     background = True
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| 
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| 
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| class Epiphany(UnixBrowser):
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|     """Launcher class for Epiphany browser."""
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| 
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|     raise_opts = ["-noraise", ""]
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|     remote_args = ['%action', '%s']
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|     remote_action = "-n"
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|     remote_action_newwin = "-w"
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|     background = True
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| 
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| 
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| class Chrome(UnixBrowser):
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|     """Launcher class for Google Chrome browser."""
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| 
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|     remote_args = ['%action', '%s']
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|     remote_action = ""
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|     remote_action_newwin = "--new-window"
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|     remote_action_newtab = ""
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|     background = True
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| 
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| 
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| Chromium = Chrome
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| 
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| 
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| class Opera(UnixBrowser):
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|     """Launcher class for Opera browser."""
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| 
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|     remote_args = ['%action', '%s']
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|     remote_action = ""
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|     remote_action_newwin = "--new-window"
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|     remote_action_newtab = ""
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|     background = True
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| 
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| 
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| class Elinks(UnixBrowser):
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|     """Launcher class for Elinks browsers."""
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| 
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|     remote_args = ['-remote', 'openURL(%s%action)']
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|     remote_action = ""
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|     remote_action_newwin = ",new-window"
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|     remote_action_newtab = ",new-tab"
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|     background = False
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| 
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|     # elinks doesn't like its stdout to be redirected -
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|     # it uses redirected stdout as a signal to do -dump
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|     redirect_stdout = False
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| 
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| 
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| class Konqueror(BaseBrowser):
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|     """Controller for the KDE File Manager (kfm, or Konqueror).
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| 
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|     See the output of ``kfmclient --commands``
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|     for more information on the Konqueror remote-control interface.
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|     """
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| 
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|     def open(self, url, new=0, autoraise=True):
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|         sys.audit("webbrowser.open", url)
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|         # XXX Currently I know no way to prevent KFM from opening a new win.
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|         if new == 2:
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|             action = "newTab"
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|         else:
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|             action = "openURL"
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| 
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|         devnull = subprocess.DEVNULL
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| 
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|         try:
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|             p = subprocess.Popen(["kfmclient", action, url],
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|                                  close_fds=True, stdin=devnull,
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|                                  stdout=devnull, stderr=devnull)
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|         except OSError:
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|             # fall through to next variant
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|             pass
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|         else:
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|             p.wait()
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|             # kfmclient's return code unfortunately has no meaning as it seems
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|             return True
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| 
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|         try:
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|             p = subprocess.Popen(["konqueror", "--silent", url],
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|                                  close_fds=True, stdin=devnull,
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|                                  stdout=devnull, stderr=devnull,
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|                                  start_new_session=True)
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|         except OSError:
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|             # fall through to next variant
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|             pass
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|         else:
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|             if p.poll() is None:
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|                 # Should be running now.
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|                 return True
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| 
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|         try:
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|             p = subprocess.Popen(["kfm", "-d", url],
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|                                  close_fds=True, stdin=devnull,
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|                                  stdout=devnull, stderr=devnull,
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|                                  start_new_session=True)
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|         except OSError:
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|             return False
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|         else:
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|             return p.poll() is None
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| 
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| 
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| class Edge(UnixBrowser):
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|     """Launcher class for Microsoft Edge browser."""
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| 
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|     remote_args = ['%action', '%s']
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|     remote_action = ""
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|     remote_action_newwin = "--new-window"
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|     remote_action_newtab = ""
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|     background = True
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| 
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| 
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| #
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| # Platform support for Unix
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| #
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| 
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| # These are the right tests because all these Unix browsers require either
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| # a console terminal or an X display to run.
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| 
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| def register_X_browsers():
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| 
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|     # use xdg-open if around
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|     if shutil.which("xdg-open"):
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|         register("xdg-open", None, BackgroundBrowser("xdg-open"))
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| 
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|     # Opens an appropriate browser for the URL scheme according to
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|     # freedesktop.org settings (GNOME, KDE, XFCE, etc.)
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|     if shutil.which("gio"):
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|         register("gio", None, BackgroundBrowser(["gio", "open", "--", "%s"]))
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| 
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|     xdg_desktop = os.getenv("XDG_CURRENT_DESKTOP", "").split(":")
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| 
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|     # The default GNOME3 browser
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|     if (("GNOME" in xdg_desktop or
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|          "GNOME_DESKTOP_SESSION_ID" in os.environ) and
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|             shutil.which("gvfs-open")):
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|         register("gvfs-open", None, BackgroundBrowser("gvfs-open"))
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| 
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|     # The default KDE browser
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|     if (("KDE" in xdg_desktop or
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|          "KDE_FULL_SESSION" in os.environ) and
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|             shutil.which("kfmclient")):
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|         register("kfmclient", Konqueror, Konqueror("kfmclient"))
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| 
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|     # Common symbolic link for the default X11 browser
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|     if shutil.which("x-www-browser"):
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|         register("x-www-browser", None, BackgroundBrowser("x-www-browser"))
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| 
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|     # The Mozilla browsers
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|     for browser in ("firefox", "iceweasel", "seamonkey", "mozilla-firefox",
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|                     "mozilla"):
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|         if shutil.which(browser):
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|             register(browser, None, Mozilla(browser))
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| 
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|     # Konqueror/kfm, the KDE browser.
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|     if shutil.which("kfm"):
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|         register("kfm", Konqueror, Konqueror("kfm"))
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|     elif shutil.which("konqueror"):
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|         register("konqueror", Konqueror, Konqueror("konqueror"))
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| 
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|     # Gnome's Epiphany
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|     if shutil.which("epiphany"):
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|         register("epiphany", None, Epiphany("epiphany"))
 | |
| 
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|     # Google Chrome/Chromium browsers
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|     for browser in ("google-chrome", "chrome", "chromium", "chromium-browser"):
 | |
|         if shutil.which(browser):
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|             register(browser, None, Chrome(browser))
 | |
| 
 | |
|     # Opera, quite popular
 | |
|     if shutil.which("opera"):
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|         register("opera", None, Opera("opera"))
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| 
 | |
|     if shutil.which("microsoft-edge"):
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|         register("microsoft-edge", None, Edge("microsoft-edge"))
 | |
| 
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| 
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| 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
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|         # 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
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|         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")
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|         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()
 | 
