def run_pathops(svgfile, cmds, max_ops, dry_run=False):
"""Run the pathops in chunks of max_ops commands."""
count = 0
chunk = cmds[:max_ops]
cmds = cmds[max_ops:]
while len(chunk) > 0:
# build list with command line arguments
count += 1
cmdlist = []
cmdlist.append("inkscape")
for cmd in chunk:
cmdlist += cmd
cmdlist.append("--verb=FileSave")
cmdlist.append("--verb=FileQuit")
cmdlist.append("-f")
cmdlist.append(svgfile)
# process command list
if dry_run:
inkex.debug("\n# Processing {}. chunk ".format(count) +
"with {} objects ...".format(len(chunk)))
inkex.debug(cmdlist)
else:
run(cmdlist)
chunk = cmds[:max_ops]
cmds = cmds[max_ops:]
return count
def run(cmd_format, stdin_str=None, verbose=False):
"""Run command"""
if verbose:
inkex.debug(cmd_format)
out = err = None
myproc = Popen(cmd_format,
shell=False,
stdin=PIPE,
stdout=PIPE,
stderr=PIPE)
out, err = myproc.communicate(stdin_str)
if myproc.returncode == 0:
return out
elif err is not None:
inkex.errormsg(err)
def run_pathops(svgfile, top_path, id_list, ink_verb, dry_run=False):
"""Run path ops with top_path on a list of other object ids."""
# build list with command line arguments
cmdlist = []
cmdlist.append("inkscape")
for node_id in id_list:
cmdlist.append("--select=" + top_path)
cmdlist.append("--verb=EditDuplicate")
cmdlist.append("--select=" + node_id)
cmdlist.append("--verb=" + ink_verb)
cmdlist.append("--verb=EditDeselect")
cmdlist.append("--verb=FileSave")
cmdlist.append("--verb=FileQuit")
cmdlist.append("-f")
cmdlist.append(svgfile)
# process command list
if dry_run:
inkex.debug(cmdlist)
else:
run(cmdlist)
def loop_pathops(self, top_path, other_paths):
"""Loop through selected items and run external command(s)."""
# init variables
count = 0
max_ops = self.options.max_ops or 500
ink_verb = self.options.ink_verb or "SelectionDiff"
dry_run = self.options.dry_run
tempfile = os.path.splitext(self.svg_file)[0] + "-pathops.svg"
# prepare
if dry_run:
inkex.debug("# Top object id: {}".format(top_path))
inkex.debug("# Other objects total: {}".format(len(other_paths)))
else:
with open(tempfile, 'wb') as copycat:
self.document.write(copycat)
# loop through sorted id list, process in chunks
for chunk in chunks(other_paths, max_ops):
count += 1
if dry_run:
inkex.debug("\n# Processing {}. chunk ".format(count) +
"with {} objects ...".format(len(chunk)))
run_pathops(tempfile, top_path, chunk, ink_verb, dry_run)
# finish up
if dry_run:
inkex.debug("\n# {} chunks processed, ".format(count) +
"with {} total objects.".format(len(other_paths)))
else:
# replace current document with content of temp copy
xmlparser = inkex.etree.XMLParser(huge_tree=True)
self.document = inkex.etree.parse(tempfile, parser=xmlparser)
# optionally delete top-most element when done
if not self.options.keep_top:
top_node = self.getElementById(top_path)
if top_node is not None:
top_node.getparent().remove(top_node)
# purge missing tagrefs (see below)
self.update_tagrefs()
# clean up
cleanup(tempfile)
def loop_pathops(self, top_path, other_paths):
"""Loop through selected items and run external command(s)."""
# init variables
max_ops = self.options.max_ops or 500
ink_verb = self.options.ink_verb or "SelectionDiff"
full_stack = False
if ink_verb == "Trim":
ink_verb = "SelectionDiff"
full_stack = True
dry_run = self.options.dry_run
tempfile = os.path.splitext(self.svg_file)[0] + "-pathops.svg"
# prepare
if dry_run:
inkex.debug("# Top object id: {}".format(top_path))
inkex.debug("# Other objects total: {}".format(len(other_paths)))
else:
with open(tempfile, 'wb') as copycat:
self.document.write(copycat)
# create a list of commands to execute
cmds = []
while len(other_paths) > 0:
cmds.append(create_pathops(top_path, other_paths, ink_verb))
if full_stack:
# now we make the second path the new top and perform the
# same operation again on it and the remaining paths
top_path = other_paths.pop()
else:
break
# run the commands, if necessary in chunks of up to max_ops at a time
count = run_pathops(tempfile, cmds, max_ops, dry_run)
# finish up
if dry_run:
inkex.debug("\n# {} chunks processed, ".format(count) +
"with {} total objects.".format(len(other_paths)))
else:
# replace current document with content of temp copy
xmlparser = inkex.etree.XMLParser(huge_tree=True)
self.document = inkex.etree.parse(tempfile, parser=xmlparser)
# optionally delete top-most element when done
if not self.options.keep_top:
top_node = self.getElementById(top_path)
if top_node is not None:
top_node.getparent().remove(top_node)
# purge missing tagrefs (see below)
self.update_tagrefs()
# clean up
cleanup(tempfile)