def openers(self, filename, names, extensions, mode):
for extension in extensions:
full_filenames = pycompat.popen("locate \"%s\"" % (filename+extension)).read()
if full_filenames:
break
else:
return []
full_filename = full_filenames.split("\n")[0]
def _opener():
try:
return builtinopen(full_filenames, mode)
except IOError:
warnings.warn("'%s' should be available at '%s' according to the locate, "
"but the file is not available at this location; "
"update your locate database" % (filename, self.full_filenames[filename]))
return [_opener]
def writeGSfile(self, filename=None, device=None, input="eps", **kwargs):
"""
convert EPS or PDF output to a file via Ghostscript
If filename is None it is auto-guessed from the script name. If
filename is "-", the output is written to stdout. In both cases, a
device needs to be specified to define the format.
If device is None, but a filename with suffix is given, PNG files will
be written using the png16m device and JPG files using the jpeg device.
"""
if filename is None:
if not sys.argv[0].endswith(".py"):
raise RuntimeError("could not auto-guess filename")
if device.startswith("png"):
filename = sys.argv[0][:-2] + "png"
elif device.startswith("jpeg"):
filename = sys.argv[0][:-2] + "jpg"
else:
filename = sys.argv[0][:-2] + device
if device is None:
if filename.endswith(".png"):
device = "png16m"
elif filename.endswith(".jpg"):
device = "jpeg"
else:
raise RuntimeError("could not auto-guess device")
gscmd, kwargs = self._gscmd(device, filename, **kwargs)
if input == "eps":
gscmd += " -"
stdin = pycompat.popen(gscmd, "wb")
self.writeEPSfile(stdin, **kwargs)
stdin.close()
elif input == "pdf":
# PDF files need to be accesible by random access and thus we need to create
# a temporary file
fd, fname = tempfile.mkstemp()
f = os.fdopen(fd, "wb")
gscmd += " %s" % fname
self.writePDFfile(f, **kwargs)
f.close()
os.system(gscmd)
os.unlink(fname)
else:
raise RuntimeError("input 'eps' or 'pdf' expected")
def writeGSfile(self, filename=None, device=None, input="eps", **kwargs):
"""
convert EPS or PDF output to a file via Ghostscript
If filename is None it is auto-guessed from the script name. If
filename is "-", the output is written to stdout. In both cases, a
device needs to be specified to define the format.
If device is None, but a filename with suffix is given, PNG files will
be written using the png16m device and JPG files using the jpeg device.
"""
if filename is None:
if not sys.argv[0].endswith(".py"):
raise RuntimeError("could not auto-guess filename")
if device.startswith("png"):
filename = sys.argv[0][:-2] + "png"
elif device.startswith("jpeg"):
filename = sys.argv[0][:-2] + "jpg"
else:
filename = sys.argv[0][:-2] + device
if device is None:
if filename.endswith(".png"):
device = "png16m"
elif filename.endswith(".jpg"):
device = "jpeg"
else:
raise RuntimeError("could not auto-guess device")
gscmd, kwargs = self._gscmd(device, filename, **kwargs)
if input == "eps":
gscmd += " -"
stdin = pycompat.popen(gscmd, "wb")
self.writeEPSfile(stdin, **kwargs)
stdin.close()
elif input == "pdf":
# PDF files need to be accesible by random access and thus we need to create
# a temporary file
fd, fname = tempfile.mkstemp()
f = os.fdopen(fd, "wb")
gscmd += " %s" % fname
self.writePDFfile(f, **kwargs)
f.close()
os.system(gscmd)
os.unlink(fname)
else:
raise RuntimeError("input 'eps' or 'pdf' expected")
def pipeGS(
self,
filename="-",
device=None,
resolution=100,
gscommand="gs",
gsoptions="",
textalphabits=4,
graphicsalphabits=4,
ciecolor=False,
input="eps",
**kwargs
):
if device is None:
if filename.endswith(".png"):
device = "png16m"
if filename.endswith(".jpg"):
device = "jpeg"
gscommand += " -dEPSCrop -dNOPAUSE -dQUIET -dBATCH -r%i -sDEVICE=%s -sOutputFile=%s" % (
resolution,
device,
filename,
)
if gsoptions:
gscommand += " %s" % gsoptions
if textalphabits is not None:
gscommand += " -dTextAlphaBits=%i" % textalphabits
if graphicsalphabits is not None:
gscommand += " -dGraphicsAlphaBits=%i" % graphicsalphabits
if ciecolor:
gscommand += " -dUseCIEColor"
if input == "eps":
gscommand += " -"
pipe = pycompat.popen(gscommand, "wb")
self.writeEPSfile(pipe, **kwargs)
elif input == "pdf":
fd, fname = tempfile.mkstemp()
f = os.fdopen(fd, "wb")
gscommand += " %s" % fname
self.writePDFfile(f, **kwargs)
f.close()
os.system(gscommand)
os.unlink(fname)
else:
raise RuntimeError("input 'eps' or 'pdf' expected")
def openers(self, filename, names, extensions, mode):
for name in names:
try:
full_filenames = pycompat.popen('kpsewhich --format="%s" "%s"' % (name, filename)).read()
except OSError:
return []
if full_filenames:
break
else:
return []
full_filename = full_filenames.split("\n")[0]
def _opener():
try:
return builtinopen(full_filename, mode)
except IOError:
warnings.warn("'%s' should be available at '%s' according to kpsewhich, "
"but the file is not available at this location; "
"update your kpsewhich database" % (filename, full_filename))
return [_opener]
def pipeGS(self, device, input="eps", seekable=False, **kwargs):
"""
returns a pipe with the Ghostscript output of the EPS or PDF of the canvas
If seekable is True, a StringIO instance will be returned instead of a
pipe to allow random access.
"""
gscmd, kwargs = self._gscmd(device, "-", **kwargs)
if input == "eps":
gscmd += " -"
# we can safely ignore that the input and output pipes could block each other,
# because Ghostscript has to read the full input before writing the output
stdin, stdout = pycompat.popen2(gscmd)
self.writeEPSfile(stdin, **kwargs)
stdin.close()
elif input == "pdf":
# PDF files need to be accesible by random access and thus we need to create
# a temporary file
fd, fname = tempfile.mkstemp()
f = os.fdopen(fd, "wb")
gscmd += " %s" % fname
self.writePDFfile(f, **kwargs)
f.close()
stdout = pycompat.popen(gscmd, "rb")
os.unlink(fname)
else:
raise RuntimeError("input 'eps' or 'pdf' expected")
if seekable:
# the read method of a pipe object may not return the full content
f = cStringIO.StringIO()
while True:
data = stdout.read()
if not data:
break
f.write(data)
stdout.close()
f.seek(0)
return f
else:
return stdout
def pipeGS(self, device, input="eps", seekable=False, **kwargs):
"""
returns a pipe with the Ghostscript output of the EPS or PDF of the canvas
If seekable is True, a StringIO instance will be returned instead of a
pipe to allow random access.
"""
gscmd, kwargs = self._gscmd(device, "-", **kwargs)
if input == "eps":
gscmd += " -"
# we can safely ignore that the input and output pipes could block each other,
# because Ghostscript has to read the full input before writing the output
stdin, stdout = pycompat.popen2(gscmd)
self.writeEPSfile(stdin, **kwargs)
stdin.close()
elif input == "pdf":
# PDF files need to be accesible by random access and thus we need to create
# a temporary file
fd, fname = tempfile.mkstemp()
f = os.fdopen(fd, "wb")
gscmd += " %s" % fname
self.writePDFfile(f, **kwargs)
f.close()
stdout = pycompat.popen(gscmd, "rb")
os.unlink(fname)
else:
raise RuntimeError("input 'eps' or 'pdf' expected")
if seekable:
# the read method of a pipe object may not return the full content
f = cStringIO.StringIO()
while True:
data = stdout.read()
if not data:
break
f.write(data)
stdout.close()
f.seek(0)
return f
else:
return stdout
def openers(self, filename, names, extensions, mode):
for extension in extensions:
full_filenames = pycompat.popen("locate \"%s\"" %
(filename + extension)).read()
if full_filenames:
break
else:
return []
full_filename = full_filenames.split("\n")[0].rstrip("\r")
def _opener():
try:
return builtinopen(full_filenames, mode)
except IOError:
warnings.warn(
"'%s' should be available at '%s' according to the locate, "
"but the file is not available at this location; "
"update your locate database" %
(filename, self.full_filenames[filename]))
return [_opener]
def pipeGS(self,
filename="-",
device=None,
resolution=100,
gscommand="gs",
gsoptions="",
textalphabits=4,
graphicsalphabits=4,
ciecolor=False,
input="eps",
**kwargs):
if device is None:
if filename.endswith(".png"):
device = "png16m"
if filename.endswith(".jpg"):
device = "jpeg"
gscommand += " -dEPSCrop -dNOPAUSE -dQUIET -dBATCH -r%i -sDEVICE=%s -sOutputFile=%s" % (
resolution, device, filename)
if gsoptions:
gscommand += " %s" % gsoptions
if textalphabits is not None:
gscommand += " -dTextAlphaBits=%i" % textalphabits
if graphicsalphabits is not None:
gscommand += " -dGraphicsAlphaBits=%i" % graphicsalphabits
if ciecolor:
gscommand += " -dUseCIEColor"
if input == "eps":
gscommand += " -"
pipe = pycompat.popen(gscommand, "wb")
self.writeEPSfile(pipe, **kwargs)
elif input == "pdf":
fd, fname = tempfile.mkstemp()
f = os.fdopen(fd, "wb")
gscommand += " %s" % fname
self.writePDFfile(f, **kwargs)
f.close()
os.system(gscommand)
os.unlink(fname)
else:
raise RuntimeError("input 'eps' or 'pdf' expected")
def openers(self, filename, names, extensions, mode):
for name in names:
try:
full_filenames = pycompat.popen(
'kpsewhich --format="%s" "%s"' % (name, filename)).read()
except OSError:
return []
if full_filenames:
break
else:
return []
full_filename = full_filenames.split("\n")[0].rstrip("\r")
def _opener():
try:
return builtinopen(full_filename, mode)
except IOError:
warnings.warn(
"'%s' should be available at '%s' according to kpsewhich, "
"but the file is not available at this location; "
"update your kpsewhich database" %
(filename, full_filename))
return [_opener]
