def openFile(fileName, window, cmd = None):
"""
Opens a file with command cmd (string, read from config)
or with the KDE default application (via KRun).
"""
if cmd:
cmd, err = KShell.splitArgs(cmd)
if err == KShell.NoError:
cmd.append(fileName)
try:
Popen(cmd)
return
except OSError:
pass
# let C++ own the KRun object, it will delete itself.
sip.transferto(KRun(KUrl.fromPath(fileName), window), None)
def initializeProcess(self, p):
cmd, err = KShell.splitArgs(config("commands").readEntry("timidity", default_timidity_command))
if err == KShell.NoError:
p.setProgram(cmd)
else:
pass # TODO: warn user about incorrect command
def printFiles(fileNames, printer):
"""Prints a list of files (PS or PDF) via a printer command.
The printer command is constructed by quering the QPrinter object.
If there is more than one PDF file, print to file should have been disabled
in the QPrintDialog that configured the printer.
"""
output = printer.outputFileName()
if output:
# Print to File, determine suffixes, assume one file
fileName = fileNames[0]
inext, outext = (os.path.splitext(name)[1].lower() for name in (fileName, output))
if inext == outext:
# just copy
shutil.copyfile(fileName, output)
else:
cmd = "pdf2ps" if outext == ".ps" else "ps2pdf"
try:
ret = subprocess.call([cmd, fileName, output])
if ret:
raise CommandFailed(KShell.joinArgs([cmd, fileName, output]), ret)
except OSError:
raise CommandNotFound(cmd)
return
# print to a printer
cmd = []
# Which exe?
for exe in "lpr-cups", "lpr.cups", "lpr", "lp":
if KStandardDirs.findExe(exe):
break
else:
raise NoPrintCommandFound()
cmd.append(exe)
# Add the arguments.
# printer name
if exe == "lp":
cmd.append("-d")
else:
cmd.append("-P")
cmd.append(printer.printerName())
# helper for adding (Cups) options to the command line
def option(s):
cmd.append("-o")
cmd.append(s)
# copies
try:
copies = printer.actualNumCopies()
except AttributeError: # only available in Qt >= 4.6
copies = printer.numCopies()
if exe == "lp":
cmd.append("-n")
cmd.append(format(copies))
else:
cmd.append("-#{0}".format(copies))
# job name
if printer.docName():
if exe == "lp":
cmd.append("-t")
cmd.append(printer.docName())
elif exe.startswith("lpr"):
cmd.append("-J")
cmd.append(printer.docName())
# page range
if printer.printRange() == QPrinter.PageRange:
pageRange = "{0}-{1}".format(printer.fromPage(), printer.toPage())
if exe == "lp":
cmd.append("-P")
cmd.append(pageRange)
else:
option("page-ranges={0}".format(pageRange))
# CUPS-specific options; detect if CUPS is available.
test = QPrinter()
test.setNumCopies(2)
cups = test.numCopies() == 1
if cups:
# media, size etc.
media = []
size = printer.paperSize()
if size == QPrinter.Custom:
media.append("Custom.{0}x{1}mm".format(printer.heightMM(), printer.widthMM()))
elif size in PAGE_SIZES:
media.append(PAGE_SIZES[size])
# media source
source = printer.paperSource()
if source in PAPER_SOURCES:
media.append(PAPER_SOURCES[source])
if media:
option("media={0}".format(",".join(media)))
# orientation
orientation = printer.orientation()
if orientation in ORIENTATIONS:
option(ORIENTATIONS[orientation])
# double sided
duplex = printer.duplex()
if duplex == QPrinter.DuplexNone:
option("sides=one-sided")
elif duplex == QPrinter.DuplexAuto:
if orientation == QPrinter.Landscape:
option("sides=two-sided-short-edge")
else:
option("sides=two-sided-long-edge")
elif duplex == QPrinter.DuplexLongSide:
option("sides=two-sided-long-edge")
elif duplex == QPrinter.DuplexShortSide:
option("sides=two-sided-short-edge")
# page order
if printer.pageOrder() == QPrinter.LastPageFirst:
option("outputorder=reverse")
else:
option("outputorder=normal")
# collate copies
if printer.collateCopies():
option("Collate=True")
else:
option("Collate=False")
# page margins
if printer.printEngine().property(QPrintEngine.PPK_PageMargins):
left, top, right, bottom = printer.getPageMargins(QPrinter.Point)
option("page-left={0}".format(left))
option("page-top={0}".format(top))
option("page-right={0}".format(right))
option("page-bottom={0}".format(bottom))
# cups properties
properties = printer.printEngine().property(QPrintEngine.PrintEnginePropertyKey(0xFE00))
for name, value in zip(*repeat(iter(properties), 2)):
option("{0}={1}".format(name, value) if value else name)
# file names
cmd.extend(fileNames)
try:
ret = subprocess.call(cmd)
if ret:
raise CommandFailed(KShell.joinArgs(cmd), ret)
except OSError:
raise CommandNotFound(cmd[0])
