def start(self):
"""
Starts the process. If successful, show the button pressed.
"""
# Call this to perform setup right before start
self.onStart()
# Now start...
p = KProcess()
cmd = self.command
if isinstance(cmd, basestring):
cmd = splitcommandline(cmd)
if self.pty:
# p.setUsePty does currently not work on Gentoo
if hasattr(p, "setUsePty"):
p.setUsePty(KProcess.Stdin, False)
else:
# Hack to let a process think it reads from a terminal
cmd[0:0] = ["python", os.path.join(appdir, "runpty.py")]
p.setExecutable(cmd[0])
p.setArguments(cmd[1:])
# Setup the signals
if self.comm & KProcess.Stdin:
self.pending = []
p.connect(p, SIGNAL("wroteStdin(KProcess*)"), self.wroteStdin)
if self.comm & KProcess.Stdout:
p.connect(p, SIGNAL("receivedStdout(KProcess*, char*, int)"),
self.receivedStdout)
if self.comm & KProcess.Stderr:
p.connect(p, SIGNAL("receivedStderr(KProcess*, char*, int)"),
self.receivedStderr)
p.connect(p, SIGNAL("processExited(KProcess*)"), self.processExited)
if p.start(KProcess.NotifyOnExit, self.comm):
self._p = p
self.setDown(True)
self.started()
else:
self._p = None
self.failed()
def runAction(url):
"""
Runs an URL with KRun. If url starts with "email=" or "emailpreview=",
it is converted to a mailto: link with the url attached, and opened in
the default KDE mailer.
If url starts with "print=", the file is directly printed with lpr.
If url starts with "embed=", a subroutine in pdftk is called to embed
LilyPond documents in the output PDF.
"""
# hack: prevent QTextView recognizing mailto: urls cos it can't handle
# query string
url = unicode(url) # url could be a QString
m = re.match("([a-z]+)=(.*)", url)
if not m:
return krun(url)
command, url = m.groups()
if command == 'print':
path = unicode(KURL(url).path())
cmd = splitcommandline(config("commands").get("lpr", "lpr"))
cmd.append(path)
p = Popen(cmd, stderr=PIPE)
if p.wait() != 0:
error(_("Printing failed: %s") % p.stderr.read())
else:
info(_("The document has been sent to the printer."))
elif command in ('email', 'emailpreview'):
if command == "email" or warncontinue(_(
"This PDF has been created with point-and-click urls (preview "
"mode), which increases the file size dramatically. It's better "
"to email documents without point-and-click urls (publish mode), "
"because they are much smaller. Continue anyway?")):
KApplication.kApplication().invokeMailer(
KURL(u"mailto:?attach=%s" % url), "", True)
elif command == 'embed':
ly = unicode(KURL(url).path())
from lilykde import pdftk
pdftk.attach_files(ly)
