def parse(self, filename, library_filename=None):
""" Parse a kicad file into a design """
design = Design()
segments = set() # each wire segment
junctions = set() # wire junction point (connects all wires under it)
self.instance_names = []
self.library = KiCADLibrary()
if library_filename is None:
directory, _ = split(filename)
for dir_file in listdir(directory):
if dir_file.endswith('.lib'):
self.library.parse(directory + '/' + dir_file)
for cpt in self.library.components:
design.add_component(cpt.name, cpt)
with open(filename) as f:
libs = []
line = f.readline().strip()
# parse the library references
while line and line != "$EndDescr":
if line.startswith('LIBS:'):
libs.extend(line.split(':', 1)[1].split(','))
line = f.readline().strip()
# Now parse wires and components, ignore connections, we get
# connectivity from wire segments
line = f.readline()
while line:
prefix = line.split()[0]
if line.startswith('Wire Wire Line'):
self.parse_wire(f, segments)
elif prefix == "Connection": # Store these to apply later
self.parse_connection(line, junctions)
elif prefix == "Text":
design.design_attributes.add_annotation(
self.parse_text(f, line))
elif prefix == "$Comp": # Component Instance
inst, comp = self.parse_component_instance(f)
design.add_component_instance(inst)
if comp is not None:
design.add_component(comp.name, comp)
self.ensure_component(design, inst.library_id, libs)
line = f.readline()
segments = self.divide(segments, junctions)
design.nets = self.calc_nets(design, segments)
design.scale(MULT)
return design
def parse(self, filename, library_filename=None):
""" Parse a kicad file into a design """
design = Design()
segments = set() # each wire segment
junctions = set() # wire junction point (connects all wires under it)
self.instance_names = []
self.library = KiCADLibrary()
if library_filename is None:
directory, _ = split(filename)
for dir_file in listdir(directory):
if dir_file.endswith('.lib'):
self.library.parse(directory + '/' + dir_file)
for cpt in self.library.components:
design.add_component(cpt.name, cpt)
with open(filename) as f:
libs = []
line = f.readline().strip()
# parse the library references
while line and line != "$EndDescr":
if line.startswith('LIBS:'):
libs.extend(line.split(':', 1)[1].split(','))
line = f.readline().strip()
# Now parse wires and components, ignore connections, we get
# connectivity from wire segments
line = f.readline()
while line:
prefix = line.split()[0]
if line.startswith('Wire Wire Line'):
self.parse_wire(f, segments)
elif prefix == "Connection": # Store these to apply later
self.parse_connection(line, junctions)
elif prefix == "Text":
design.design_attributes.add_annotation(
self.parse_text(f, line))
elif prefix == "$Comp": # Component Instance
inst, comp = self.parse_component_instance(f)
design.add_component_instance(inst)
if comp is not None:
design.add_component(comp.name, comp)
self.ensure_component(design, inst.library_id, libs)
line = f.readline()
segments = self.divide(segments, junctions)
design.nets = self.calc_nets(design, segments)
design.scale(MULT)
return design
def parse(self, filename, library_filename=None):
""" Parse a kicad file into a design """
design = Design()
segments = set() # each wire segment
junctions = set() # wire junction point (connects all wires under it)
if library_filename is None:
library_filename = splitext(filename)[0] + '-cache.lib'
if exists(library_filename):
for cpt in parse_library(library_filename):
design.add_component(cpt.name, cpt)
with open(filename) as f:
libs = []
line = f.readline().strip()
# parse the library references
while line and line != "$EndDescr":
if line.startswith('LIBS:'):
libs.extend(line.split(':', 1)[1].split(','))
line = f.readline().strip()
# Now parse wires and components, ignore connections, we get
# connectivity from wire segments
line = f.readline()
while line:
prefix = line.split()[0]
if line.startswith('Wire Wire Line'):
self.parse_wire(f, segments)
elif prefix == "Connection": # Store these to apply later
self.parse_connection(line, junctions)
elif prefix == "Text":
design.design_attributes.add_annotation(
self.parse_text(f, line))
elif prefix == "$Comp": # Component Instance
inst = self.parse_component_instance(f)
design.add_component_instance(inst)
if inst.library_id not in design.components.components:
cpt = lookup_part(inst.library_id, libs)
if cpt is not None:
design.components.add_component(cpt.name, cpt)
line = f.readline()
segments = self.divide(segments, junctions)
design.nets = self.calc_nets(segments)
self.calc_connected_components(design)
return design
def parse(self, filename, library_filename=None):
""" Parse a kicad file into a design """
design = Design()
segments = set() # each wire segment
junctions = set() # wire junction point (connects all wires under it)
if library_filename is None:
library_filename = splitext(filename)[0] + '-cache.lib'
if exists(library_filename):
for cpt in parse_library(library_filename):
design.add_component(cpt.name, cpt)
with open(filename) as f:
libs = []
line = f.readline().strip()
# parse the library references
while line and line != "$EndDescr":
if line.startswith('LIBS:'):
libs.extend(line.split(':', 1)[1].split(','))
line = f.readline().strip()
# Now parse wires and components, ignore connections, we get
# connectivity from wire segments
line = f.readline()
while line:
prefix = line.split()[0]
if line.startswith('Wire Wire Line'):
self.parse_wire(f, segments)
elif prefix == "Connection": # Store these to apply later
self.parse_connection(line, junctions)
elif prefix == "Text":
design.design_attributes.add_annotation(
self.parse_text(f, line))
elif prefix == "$Comp": # Component Instance
inst = self.parse_component_instance(f)
design.add_component_instance(inst)
if inst.library_id not in design.components.components:
cpt = lookup_part(inst.library_id, libs)
if cpt is not None:
design.components.add_component(cpt.name, cpt)
line = f.readline()
segments = self.divide(segments, junctions)
design.nets = self.calc_nets(segments)
self.calc_connected_components(design)
return design
