Remove some false comments.
Reorganize so the initialization sequences does not bite us in the foot. (There is no good reason to discard classes that clients may want to subclass.)
This commit is contained in:
Fred Drake
parent
f5fec3c88a
commit
3f8f1643c8
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@ -42,7 +42,7 @@ def get(using=None):
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def open(url, new=0, autoraise=1):
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get().open(url, new, autoraise)
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def open_new(url): # Marked deprecated. May be removed in 2.1.
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def open_new(url):
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get().open(url, 1)
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@ -76,12 +76,152 @@ def _synthesize(browser):
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return [None, controller]
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ret
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#
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# Everything after this point initializes _browsers and _tryorder,
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# then disappears. Some class definitions and instances remain
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# live through these globals, but only the minimum set needed to
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# support the user's platform.
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#
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def _iscommand(cmd):
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"""Return true if cmd can be found on the executable search path."""
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path = os.environ.get("PATH")
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if not path:
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return 0
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for d in path.split(os.pathsep):
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exe = os.path.join(d, cmd)
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if os.path.isfile(exe):
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return 1
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return 0
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PROCESS_CREATION_DELAY = 4
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class GenericBrowser:
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def __init__(self, cmd):
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self.name, self.args = cmd.split(None, 1)
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self.basename = os.path.basename(self.name)
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def open(self, url, new=0, autoraise=1):
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command = "%s %s" % (self.name, self.args)
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os.system(command % url)
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def open_new(self, url):
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self.open(url)
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class Netscape:
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"Launcher class for Netscape browsers."
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def __init__(self, name):
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self.name = name
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self.basename = os.path.basename(name)
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def _remote(self, action, autoraise):
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raise_opt = ("-noraise", "-raise")[autoraise]
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cmd = "%s %s -remote '%s' >/dev/null 2>&1" % (self.name,
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raise_opt,
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action)
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rc = os.system(cmd)
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if rc:
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import time
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os.system("%s &" % self.name)
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time.sleep(PROCESS_CREATION_DELAY)
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rc = os.system(cmd)
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return not rc
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def open(self, url, new=0, autoraise=1):
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if new:
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self._remote("openURL(%s, new-window)"%url, autoraise)
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else:
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self._remote("openURL(%s)" % url, autoraise)
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def open_new(self, url):
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self.open(url, 1)
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class Konqueror:
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"""Controller for the KDE File Manager (kfm, or Konqueror).
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See http://developer.kde.org/documentation/other/kfmclient.html
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for more information on the Konqueror remote-control interface.
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"""
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def __init__(self):
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if _iscommand("konqueror"):
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self.name = self.basename = "konqueror"
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else:
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self.name = self.basename = "kfm"
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def _remote(self, action):
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cmd = "kfmclient %s >/dev/null 2>&1" % action
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rc = os.system(cmd)
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if rc:
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import time
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if self.basename == "konqueror":
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os.system(self.name + " --silent &")
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else:
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os.system(self.name + " -d &")
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time.sleep(PROCESS_CREATION_DELAY)
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rc = os.system(cmd)
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return not rc
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def open(self, url, new=1, autoraise=1):
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# XXX Currently I know no way to prevent KFM from
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# opening a new win.
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self._remote("openURL %s" % url)
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open_new = open
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class Grail:
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# There should be a way to maintain a connection to Grail, but the
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# Grail remote control protocol doesn't really allow that at this
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# point. It probably neverwill!
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def _find_grail_rc(self):
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import glob
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import pwd
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import socket
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import tempfile
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tempdir = os.path.join(tempfile.gettempdir(),
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".grail-unix")
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user = pwd.getpwuid(_os.getuid())[0]
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filename = os.path.join(tempdir, user + "-*")
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maybes = glob.glob(filename)
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if not maybes:
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return None
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s = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
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for fn in maybes:
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# need to PING each one until we find one that's live
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try:
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s.connect(fn)
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except socket.error:
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# no good; attempt to clean it out, but don't fail:
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try:
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os.unlink(fn)
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except IOError:
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pass
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else:
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return s
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def _remote(self, action):
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s = self._find_grail_rc()
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if not s:
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return 0
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s.send(action)
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s.close()
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return 1
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def open(self, url, new=0, autoraise=1):
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if new:
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self._remote("LOADNEW " + url)
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else:
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self._remote("LOAD " + url)
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def open_new(self, url):
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self.open(url, 1)
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class WindowsDefault:
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def open(self, url, new=0, autoraise=1):
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os.startfile(url)
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def open_new(self, url):
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self.open(url)
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#
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# Platform support for Unix
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@ -92,32 +232,8 @@ def _synthesize(browser):
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# the TERM and DISPLAY cases, because we might be running Python from inside
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# an xterm.
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if os.environ.get("TERM") or os.environ.get("DISPLAY"):
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PROCESS_CREATION_DELAY = 4
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_tryorder = ("mozilla","netscape","kfm","grail","links","lynx","w3m")
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def _iscommand(cmd):
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"""Return true if cmd can be found on the executable search path."""
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path = os.environ.get("PATH")
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if not path:
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return 0
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for d in path.split(os.pathsep):
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exe = os.path.join(d, cmd)
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if os.path.isfile(exe):
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return 1
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return 0
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class GenericBrowser:
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def __init__(self, cmd):
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self.name, self.args = cmd.split(None, 1)
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self.basename = os.path.basename(self.name)
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def open(self, url, new=0, autoraise=1):
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command = "%s %s" % (self.name, self.args)
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os.system(command % url)
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def open_new(self, url): # Deprecated. May be removed in 2.1.
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self.open(url)
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# Easy cases first -- register console browsers if we have them.
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if os.environ.get("TERM"):
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# The Links browser <http://artax.karlin.mff.cuni.cz/~mikulas/links/>
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@ -134,35 +250,6 @@ if os.environ.get("TERM") or os.environ.get("DISPLAY"):
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if os.environ.get("DISPLAY"):
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# First, the Netscape series
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if _iscommand("netscape") or _iscommand("mozilla"):
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class Netscape:
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"Launcher class for Netscape browsers."
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def __init__(self, name):
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self.name = name
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self.basename = os.path.basename(name)
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def _remote(self, action, autoraise):
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raise_opt = ("-noraise", "-raise")[autoraise]
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cmd = "%s %s -remote '%s' >/dev/null 2>&1" % (self.name,
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raise_opt,
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action)
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rc = os.system(cmd)
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if rc:
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import time
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os.system("%s &" % self.name)
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time.sleep(PROCESS_CREATION_DELAY)
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rc = os.system(cmd)
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return not rc
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def open(self, url, new=0, autoraise=1):
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if new:
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self._remote("openURL(%s, new-window)"%url, autoraise)
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else:
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self._remote("openURL(%s)" % url, autoraise)
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# Deprecated. May be removed in 2.1.
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def open_new(self, url):
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self.open(url, 1)
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if _iscommand("mozilla"):
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register("mozilla", None, Netscape("mozilla"))
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if _iscommand("netscape"):
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@ -174,108 +261,27 @@ if os.environ.get("TERM") or os.environ.get("DISPLAY"):
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# Konqueror/kfm, the KDE browser.
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if _iscommand("kfm") or _iscommand("konqueror"):
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class Konqueror:
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"""Controller for the KDE File Manager (kfm, or Konqueror).
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See http://developer.kde.org/documentation/other/kfmclient.html
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for more information on the Konqueror remote-control interface.
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"""
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def __init__(self):
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if _iscommand("konqueror"):
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self.name = self.basename = "konqueror"
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else:
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self.name = self.basename = "kfm"
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def _remote(self, action):
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cmd = "kfmclient %s >/dev/null 2>&1" % action
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rc = os.system(cmd)
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if rc:
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import time
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if self.basename == "konqueror":
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os.system(self.name + " --silent &")
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else:
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os.system(self.name + " -d &")
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time.sleep(PROCESS_CREATION_DELAY)
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rc = os.system(cmd)
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return not rc
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def open(self, url, new=1, autoraise=1):
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# XXX Currently I know no way to prevent KFM from
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# opening a new win.
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self._remote("openURL %s" % url)
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# Deprecated. May be removed in 2.1.
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open_new = open
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register("kfm", Konqueror, Konqueror())
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# Grail, the Python browser.
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if _iscommand("grail"):
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class Grail:
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# There should be a way to maintain a connection to
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# Grail, but the Grail remote control protocol doesn't
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# really allow that at this point. It probably neverwill!
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def _find_grail_rc(self):
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import glob
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import pwd
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import socket
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import tempfile
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tempdir = os.path.join(tempfile.gettempdir(),
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".grail-unix")
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user = pwd.getpwuid(_os.getuid())[0]
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filename = os.path.join(tempdir, user + "-*")
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maybes = glob.glob(filename)
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if not maybes:
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return None
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s = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
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for fn in maybes:
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# need to PING each one until we find one that's live
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try:
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s.connect(fn)
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except socket.error:
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# no good; attempt to clean it out, but don't fail:
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try:
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os.unlink(fn)
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except IOError:
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pass
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else:
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return s
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def _remote(self, action):
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s = self._find_grail_rc()
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if not s:
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return 0
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s.send(action)
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s.close()
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return 1
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def open(self, url, new=0, autoraise=1):
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if new:
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self._remote("LOADNEW " + url)
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else:
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self._remote("LOAD " + url)
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# Deprecated. May be removed in 2.1.
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def open_new(self, url):
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self.open(url, 1)
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register("grail", Grail, None)
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class InternetConfig:
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def open(self, url, new=0, autoraise=1):
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ic.launchurl(url)
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def open_new(self, url):
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self.open(url)
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#
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# Platform support for Windows
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#
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if sys.platform[:3] == "win":
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_tryorder = ("netscape", "windows-default")
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class WindowsDefault:
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def open(self, url, new=0, autoraise=1):
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os.startfile(url)
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def open_new(self, url): # Deprecated. May be removed in 2.1.
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self.open(url)
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register("windows-default", WindowsDefault)
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#
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@ -287,13 +293,6 @@ try:
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except ImportError:
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pass
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else:
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class InternetConfig:
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def open(self, url, new=0, autoraise=1):
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ic.launchurl(url)
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def open_new(self, url): # Deprecated. May be removed in 2.1.
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self.open(url)
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# internet-config is the only supported controller on MacOS,
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# so don't mess with the default!
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_tryorder = ("internet-config")
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@ -315,5 +314,3 @@ for cmd in _tryorder:
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_tryorder = filter(lambda x: _browsers.has_key(x.lower())
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or x.find("%s") > -1, _tryorder)
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# what to do if _tryorder is now empty?
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# end
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