def effect(self):
fallback = False
try:
call('virtualenv', TARGET_DIR, p='python3')
except CommandNotFound:
fallback = True
except ProgramRunError as err:
raise inkex.AbortExtension(
"There has been a problem creating the python environment:\n" +
str(err))
if fallback:
# Add a fallback for places like windows where python isn't available.
if self.install_fallback():
return
raise inkex.AbortExtension(
"You must have the python-virtualenv package installed. This should have"
" been included with Inkscape, but in some special cases it might not"
" be. Please install this software externally and try again.")
try:
call(os.path.join(TARGET_DIR, 'bin', 'pip'), 'install',
self.options.version)
except CommandNotFound:
raise inkex.AbortExtension(
"Can't find pip program after environment initialisation!")
except ProgramRunError as err:
raise inkex.AbortExtension(
"Error installing extension manager package:\n" + str(err))
def generate(self):
tex_file = os.path.join(self.tempdir, 'input.tex')
pdf_file = os.path.join(self.tempdir,
'input.pdf') # Auto-generate by pdflatex
svg_file = os.path.join(self.tempdir, 'output.svg')
with open(tex_file, 'w') as fhl:
self.write_latex(fhl)
call('pdflatex', tex_file,\
output_directory=self.tempdir,\
halt_on_error=True, oldie=True)
inkscape(pdf_file,
export_filename=svg_file,
pdf_page=1,
pdf_poppler=True,
export_type="svg")
if not os.path.isfile(svg_file):
fn = os.path.basename(svg_file)
if os.path.isfile(fn):
# Inkscape bug detected, file got saved wrong
svg_file = fn
with open(svg_file, 'r') as fhl:
svg = load_svg(fhl).getroot()
svg.set_random_ids(backlinks=True)
for child in svg:
if isinstance(child, ShapeElement):
yield child
elif isinstance(child, Defs):
for def_child in child:
#def_child.set_random_id()
self.svg.defs.append(def_child)
def call(self, input_file, output_file):
cp = os.path.dirname(
os.path.abspath(__file__)) + "/svg-embed-and-crop/*"
java = "javaw -cp \""
command.call('javaw', '-cp', cp,
'edu.emory.cellbio.svg.EmbedAndCropInkscapeEntry',
input_file, "-o", output_file)
if not os.path.exists(output_file):
raise inkex.AbortExtension("Plugin canceled")
return output_file
def save(self, stream):
scribus_version = call(SCRIBUS_EXE, '-g', '--version').decode('utf-8')
version_match = VERSION_REGEX.search(scribus_version)
if version_match is None:
raise AbortExtension(
f"Could not detect Scribus version ({scribus_version})")
major = int(version_match.group(1))
minor = int(version_match.group(2))
point = int(version_match.group(3))
if (major < 1) or (major == 1 and minor < 5):
raise AbortExtension(
f"Found Scribus {version_match.group(0)}. This extension requires Scribus 1.5.x."
)
input_file = self.options.input_file
py_file = os.path.join(self.tempdir, 'scribus.py')
svg_file = os.path.join(self.tempdir, 'in.svg')
profiles = self.svg.defs.findall("svg:color-profile")
if len(profiles) == 0:
raise AbortExtension(
"Please select a color profile in the document settings.")
elif len(profiles) > 1:
raise AbortExtension(
"Please only link a single color profile in the document settings. No output generated."
)
iccPath = profiles[0].get("xlink:href")
with open(input_file) as f:
with open(svg_file, "w") as f1:
for line in f:
f1.write(line)
f.close()
pdf_file = os.path.join(self.tempdir, 'out.pdf')
width = self.svg.unittouu(self.svg.get('width'))
height = self.svg.unittouu(self.svg.get('height'))
with open(py_file, 'w') as fhl:
self.generate_script(fhl, width, height, iccPath)
call(SCRIBUS_EXE, '-g', '-py', py_file, svg_file, pdf_file)
with open(pdf_file, 'rb') as fhl:
stream.write(fhl.read())
def call(self, input_file, output_file):
crop = '-dEPSCrop' if self.options.crop else None
call('ps2pdf', crop, input_file, output_file)
def call(self, input_file, output_file):
call('fig2dev', '-L', 'svg', input_file, output_file)
def test_binary_call(self):
"""Calls should allow binary stdin"""
# https://gitlab.com/inkscape/extensions/-/commit/2e504f2a3f6bb627f17b267c5623a71005d7234d#note_164780678
binary = b'\x1f\x8b\x08\x00eh\xc3\\\x02\xffK\xcb\xcf\x07\x00!es\x8c\x03\x00\x00\x00'
stdout = call('gunzip', stdin=binary)
def save(self, stream):
pngs = OrderedDict()
valid = False
for node in self.svg.xpath("/svg:svg/*[name()='g' or @style][@id]"):
if not len(node): # pylint: disable=len-as-condition
# Ignore empty layers
continue
valid = True
node_id = node.get('id')
name = node.get("inkscape:label", node_id)
pngs[name] = take_snapshot(self.document,
dirname=self.tempdir,
name=name,
dpi=int(self.options.dpi),
export_id=node_id,
export_id_only=True,
export_area_page=True,
export_background_opacity=int(
bool(self.options.background)))
if not valid:
inkex.errormsg(
_('This extension requires at least one non empty layer.'))
return
xcf = os.path.join(self.tempdir, "{}.xcf".format(self.docname))
script_fu = """
(tracing 1)
(define
(png-to-layer img png_filename layer_name)
(let*
(
(png (car (file-png-load RUN-NONINTERACTIVE png_filename png_filename)))
(png_layer (car (gimp-image-get-active-layer png)))
(xcf_layer (car (gimp-layer-new-from-drawable png_layer img)))
)
(gimp-image-add-layer img xcf_layer -1)
(gimp-drawable-set-name xcf_layer layer_name)
)
)
(let*
(
(img (car (gimp-image-new 200 200 RGB)))
)
(gimp-image-set-resolution img {dpi} {dpi})
(gimp-image-undo-disable img)
(for-each
(lambda (names)
(png-to-layer img (car names) (cdr names))
)
(map cons '("{files}") '("{names}"))
)
(gimp-image-resize-to-layers img)
""".format(dpi=self.options.dpi,
files='" "'.join(pngs.values()),
names='" "'.join(list(pngs)))
if self.options.guides:
for dim, guides in self.get_guides():
script_fu += """
(for-each
(lambda ({d}Guide)
(gimp-image-add-{d}guide img {d}Guide)
)
'({g})
)""".format(d=dim, g=guides)
# Grid
if self.options.grid:
for fu_let in self.get_grid():
script_fu += "\n" + fu_let + "\n"
script_fu += """
(gimp-image-undo-enable img)
(gimp-file-save RUN-NONINTERACTIVE img (car (gimp-image-get-active-layer img)) "{xcf}" "{xcf}"))
(gimp-quit 0)
""".format(xcf=xcf)
call('gimp',
"-b",
"-",
i=True,
batch_interpreter="plug-in-script-fu-eval",
stdin=script_fu)
with open(xcf, 'rb') as fhl:
stream.write(fhl.read())
