def test_lookup_missing(self):
""" Test looking up a part that is missing """
name = 'nosuchpart'
libs = ['nosuchlib', 'jensen', '1wire']
found = lookup_part(name, libs)
self.assertEqual(found, None)
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)
f = open(filename)
libs = []
line = f.readline().strip()
# parse the library references
while 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()
f.close()
segments = self.divide(segments, junctions)
design.nets = self.calc_nets(segments)
self.calc_connected_components(design)
return design
def test_lookup_present(self):
""" Test looking up a part that is present """
name = 'DS18B20Z'
libs = ['jensen', '1wire']
found = lookup_part(name, libs)
self.assertTrue(isinstance(found, Component))
self.assertEqual(found.name, name)
