def convert_svg2eps(svg_filename, eps_filename, location=None):
if location is None:
location = get_external_program_location("inkscape")
if location is None:
location = "inkscape"
try:
process = subprocess.Popen(stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
args=[
location, "--export-area-page",
"--export-eps", eps_filename,
svg_filename
])
except OSError as err_msg:
log.error(
"SVGImporter: failed to execute 'inkscape' (%s): %s%sMaybe you need to install "
"Inkscape (http://inkscape.org)?", location, err_msg, os.linesep)
return False
returncode = process.wait()
if returncode == 0:
return True
else:
log.warn(
"SVGImporter: failed to convert SVG file (%s) to EPS file (%s): %s",
svg_filename, eps_filename, process.stderr.read())
return False
def _locate_external_program(self, widget=None, key=None):
# the button was just activated
location = get_external_program_location(key)
if not location:
log.error("Failed to locate the external program '%s'. Please install the program and "
"try again.%sOr maybe you need to specify the location manually.",
key, os.linesep)
else:
# store the new setting
self.settings.set("external_program_%s" % key, location)
def _locate_external_program(self, widget=None, key=None):
# the button was just activated
location = get_external_program_location(key)
if not location:
log.error("Failed to locate the external program '%s'. " % key \
+ "Please install the program and try again." \
+ os.linesep \
+ "Or maybe you need to specify the location manually.")
else:
# store the new setting
self.settings.set("external_program_%s" % key, location)
def convert_eps2dxf(eps_filename, dxf_filename, location=None, unit="mm"):
if location is None:
location = get_external_program_location("pstoedit")
if location is None:
location = "pstoedit"
args = [location, "-dt", "-nc", "-f", "dxf:-polyaslines"]
if unit == "mm":
# eps uses inch by default - we need to scale
args.extend(("-xscale", "25.4", "-yscale", "25.4"))
args.append(eps_filename)
args.append(dxf_filename)
try:
process = subprocess.Popen(stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
args=args)
except OSError as err_msg:
log.error(
"SVGImporter: failed to execute 'pstoedit' (%s): %s%sMaybe you need to install "
"pstoedit (http://pstoedit.net)?", location, err_msg, os.linesep)
return False
returncode = process.wait()
if returncode == 0:
try:
# pstoedit fails with exitcode=0 if ghostscript is not installed.
# The resulting file seems to be quite small (268 byte). But it is
# not certain, that this filesize is fixed in case of this problem.
if os.path.getsize(dxf_filename) < 280:
log.warn(
"SVGImporter: maybe there was a problem with the conversion from EPS "
"(%s) to DXF.\nProbably you need to install 'ghostscript' "
"(http://pages.cs.wisc.edu/~ghost).", str(eps_filename))
return True
except OSError:
# The dxf file was not created.
log.warn(
"SVGImporter: no DXF file was created, even though no error code was "
"returned. This seems to be a bug of 'pstoedit'. Please send the original "
"model file to the PyCAM developers. Thanks!")
return False
elif returncode == -11:
log.warn(
"SVGImporter: maybe there was a problem with the conversion from EPS (%s) to "
"DXF.\n Users of Ubuntu 'lucid' should install the package 'libpstoedit0c2a' "
"from the 'maverick' repository to avoid this warning.",
str(eps_filename))
return True
else:
log.warn(
"SVGImporter: failed to convert EPS file (%s) to DXF file (%s): %s",
eps_filename, dxf_filename, process.stderr.read())
return False
def convert_svg2eps(svg_filename, eps_filename, location=None):
if location is None:
location = get_external_program_location("inkscape")
if location is None:
location = "inkscape"
try:
process = subprocess.Popen(stdin=subprocess.PIPE, stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
args=[location, "--export-area-page", "--export-eps",
eps_filename, svg_filename])
except OSError as exc:
raise LoadFileError("SVGImporter: failed to execute 'inkscape' ({}): {}{}Maybe you need "
"to install Inkscape (http://inkscape.org)?"
.format(location, exc, os.linesep))
returncode = process.wait()
if returncode != 0:
raise LoadFileError("SVGImporter: failed to convert SVG file ({}) to EPS file ({}): {}"
.format(svg_filename, eps_filename, process.stderr.read()))
def convert_svg2eps(svg_filename, eps_filename, location=None):
if location is None:
location = get_external_program_location("inkscape")
if location is None:
location = "inkscape"
try:
process = subprocess.Popen(stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
args=[
location, "--export-area-page",
"--export-eps", eps_filename,
svg_filename
])
except OSError, err_msg:
log.error(("SVGImporter: failed to execute 'inkscape' (%s): %s%s" + \
"Maybe you need to install Inkscape (http://inkscape.org)?") % \
(location, err_msg, os.linesep))
return False
def convert_svg2eps(svg_filename, eps_filename, location=None):
if location is None:
location = get_external_program_location("inkscape")
if location is None:
location = "inkscape"
try:
process = subprocess.Popen(
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
args=[location, "--export-area-page", "--export-eps", eps_filename, svg_filename],
)
except OSError, err_msg:
log.error(
(
"SVGImporter: failed to execute 'inkscape' (%s): %s%s"
+ "Maybe you need to install Inkscape (http://inkscape.org)?"
)
% (location, err_msg, os.linesep)
)
return False
def convert_eps2dxf(eps_filename, dxf_filename, location=None, unit="mm"):
if location is None:
location = get_external_program_location("pstoedit")
if location is None:
location = "pstoedit"
args = [location, "-dt", "-nc", "-f", "dxf:-polyaslines"]
if unit == "mm":
# eps uses inch by default - we need to scale
args.extend(("-xscale", "25.4", "-yscale", "25.4"))
args.append(eps_filename)
args.append(dxf_filename)
try:
process = subprocess.Popen(stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
args=args)
except OSError, err_msg:
log.error(("SVGImporter: failed to execute 'pstoedit' (%s): %s%s" + \
"Maybe you need to install pstoedit (http://pstoedit.net)?") % \
(location, err_msg, os.linesep))
return False
def convert_eps2dxf(eps_filename, dxf_filename, location=None, unit="mm"):
if location is None:
location = get_external_program_location("pstoedit")
if location is None:
location = "pstoedit"
args = [location, "-dt", "-nc", "-f", "dxf:-polyaslines"]
if unit == "mm":
# eps uses inch by default - we need to scale
args.extend(("-xscale", "25.4", "-yscale", "25.4"))
args.append(eps_filename)
args.append(dxf_filename)
try:
process = subprocess.Popen(stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE, args=args)
except OSError, err_msg:
log.error(
(
"SVGImporter: failed to execute 'pstoedit' (%s): %s%s"
+ "Maybe you need to install pstoedit (http://pstoedit.net)?"
)
% (location, err_msg, os.linesep)
)
return False