def parse_component_instance(self, f):
""" Parse a component instance from a $Comp block """
# pylint: disable=R0914
# name & reference
prefix, name, reference = f.readline().split()
assert prefix == 'L'
ref_count_idx = 1
while reference in self.instance_names:
ref_count_idx += 1
reference = reference + '-' + str(ref_count_idx)
self.instance_names.append(reference)
comp = None
if self.library is not None:
library_part = self.library.lookup_part(name)
if library_part is not None:
name = library_part.name
# unit & convert
prefix, unit, convert, ar_path = f.readline().split(None, 3)
unit, convert = int(unit), int(convert)
assert prefix == 'U'
# position
prefix, compx, compy = f.readline().split()
assert prefix == 'P'
compx, compy = int(compx), int(compy)
line = f.readline()
rotation = 0
flip = False
annotations = []
while line.strip() not in ("$EndComp", ''):
if line.startswith('F '):
annotations.append(self.parse_field(compx, compy, line))
elif line.startswith('\t'):
parts = line.strip().split()
if len(parts) == 4:
rotation, flip = MATRIX2ROTATIONFLIP.get(
tuple(int(i) for i in parts), (0, False))
elif line.startswith('AR Path'):
if '?' in reference:
path_line = line.strip().split()
ar_path_check = path_line[1].strip('"')[7:] #removes Path="/
if ar_path.strip() == ar_path_check:
reference = path_line[2].strip('"')[5:] #removes Ref="
line = f.readline()
inst = ComponentInstance(reference, library_part, name.upper(), convert - 1)
symbattr = SymbolAttribute(compx, -compy, rotation, flip)
for ann in annotations:
symbattr.add_annotation(ann)
inst.add_symbol_attribute(symbattr)
return inst, comp
def parse_symbol_attribute(self, symbol_attribute):
""" Extract attributes from a symbol. """
x = int(symbol_attribute.get('x'))
y = int(symbol_attribute.get('y'))
rotation = float(symbol_attribute.get('rotation'))
# Make SymbolAttribute
symbol_attr = SymbolAttribute(x, y, rotation)
# Add Annotations
for annotation in symbol_attribute.get('annotations'):
anno = self.parse_annotation(annotation)
symbol_attr.add_annotation(anno)
# Return SymbolAttribute to be added to it's ComponentInstance
return symbol_attr
def ensure_component_instance(self, parts, instance):
""" Ensure there is a component instance for an eagle instance. """
part = parts[instance.part]
if part.name in self.part2inst:
return self.part2inst[part.name]
library_id = part.library + ':' + part.deviceset + ':' + part.device
cpt = self.design.components.components[library_id]
self.part2inst[part.name] = ComponentInstance(instance.part, part,
library_id, 0)
self.part2inst[part.name].add_attribute('refdes', part.name)
# pre-create symbol attributes, to be filled in during
# instance processing
for _ in cpt.symbols[0].bodies:
self.part2inst[part.name].add_symbol_attribute(
SymbolAttribute(0, 0, 0.0, False))
if part.value:
self.part2inst[part.name].add_attribute('value', part.value)
self.design.add_component_instance(self.part2inst[part.name])
self.part2inst[part.name].add_attribute('eaglexml_device', part.device)
return self.part2inst[part.name]
def parse_inst(self, args):
""" Returns a parsed component instance. """
inst, libname, libnum, x, y, rot, _scale, _b = args.split()
# scale is a floating point scaling constant. Also, evil.
thisinst = ComponentInstance(inst, self.lookup(libname, libnum), 0)
if int(rot) > 3:
# part is flipped around y-axis. When applying transforms, flip it
# first, then rotate it.
rot = str(int(rot) - 4)
# flip = True
thisinst.add_symbol_attribute(SymbolAttribute(int(x), int(y),
float(rot) / 2))
subdata = defaultdict(list)
for phrase in self.stream:
cmd, _sep, args = phrase.partition(' ')
if cmd not in ('|R', 'A', 'C'):
self.stream.push(phrase)
break
k, v = self.parsenode(cmd)(args)
subdata[k].append(v)
for annot in subdata['annot']:
thisinst.symbol_attributes[0].add_annotation(annot)
if '=' in annot.value:
thisinst.add_attribute(*(annot.value.split('=', 1)))
# Turns out C can reference a net before it's been created via
# the N command. Really don't like passing stuff inband like this. Ugh.
thisinst.conns = subdata['conn']
return ('inst', thisinst)
def test_create_new_attribute(self):
""" Test the creation of a new empty symbol. """
attr = SymbolAttribute(0, 1, 2, False)
assert attr.x == 0
assert attr.y == 1
assert attr.rotation == 2
assert len(attr.annotations) == 0
def test_bounds_all_elts(self):
'''bounds() with all the elements competing'''
net = Net('foo')
mkbounds(net, 3, 3, -1, -2)
self.des.add_net(net)
annot = Annotation('foo', 3, 3, 0, True)
mkbounds(annot, 3, 3, 3, 5)
self.des.design_attributes.add_annotation(annot)
libcomp = Component('bar')
libcomp.add_symbol(Symbol())
libcomp.symbols[0].add_body(Body())
mkbounds(libcomp.symbols[0].bodies[0], 0, 0, 3, 3)
self.des.add_component('foo', libcomp)
compinst = ComponentInstance('bar', 'foo', 0)
compinst.add_symbol_attribute(SymbolAttribute(3, 0, 0, False))
self.des.add_component_instance(compinst)
top_left, btm_right = self.des.bounds()
self.assertEqual(top_left.x, -1)
self.assertEqual(top_left.y, -2)
self.assertEqual(btm_right.x, 6)
self.assertEqual(btm_right.y, 5)
def parse_component_instance(self, f):
""" Parse a component instance from a $Comp block """
# pylint: disable=R0914
# name & reference
prefix, name, reference = f.readline().split()
assert prefix == 'L'
# unit & convert
prefix, unit, convert, _ = f.readline().split(None, 3)
unit, convert = int(unit), int(convert)
assert prefix == 'U'
# position
prefix, compx, compy = f.readline().split()
assert prefix == 'P'
compx, compy = int(compx), int(compy)
line = f.readline()
rotation = 0
annotations = []
while line.strip() not in ("$EndComp", ''):
if line.startswith('F '):
parts = line.split('"', 2)
value = parts[1].decode('utf-8', 'replace')
parts = parts[2].strip().split()
annotations.append(
Annotation(value,
make_length(int(parts[1]) - compx),
-make_length(int(parts[2]) - compy),
0 if parts[0] == 'H' else 1, 'true'))
elif line.startswith('\t'):
parts = line.strip().split()
if len(parts) == 4:
rotation = MATRIX2ROTATION.get(
tuple(int(i) for i in parts), 0)
line = f.readline()
inst = ComponentInstance(reference, name, convert - 1)
symbattr = SymbolAttribute(make_length(compx), -make_length(compy),
rotation)
for ann in annotations:
symbattr.add_annotation(ann)
inst.add_symbol_attribute(symbattr)
return inst
def parse_symbol_attribute(self, symbol_attribute):
""" Extract attributes from a symbol. """
x = int(symbol_attribute.get('x') or 0)
y = int(symbol_attribute.get('y') or 0)
rotation = float(symbol_attribute.get('rotation'))
# Make SymbolAttribute
symbol_attr = SymbolAttribute(x, y, rotation)
# Add Annotations
for annotation in symbol_attribute.get('annotations'):
anno = self.parse_annotation(annotation)
symbol_attr.add_annotation(anno)
# Return SymbolAttribute to be added to it's ComponentInstance
return symbol_attr
def parse_component_instance(self, f):
""" Parse a component instance from a $Comp block """
# pylint: disable=R0914
# name & reference
prefix, name, reference = f.readline().split()
assert prefix == 'L'
if self.library is not None:
library_part = self.library.lookup_part(name)
if library_part is not None:
name = library_part.name
# unit & convert
prefix, unit, convert, _ = f.readline().split(None, 3)
unit, convert = int(unit), int(convert)
assert prefix == 'U'
# position
prefix, compx, compy = f.readline().split()
assert prefix == 'P'
compx, compy = int(compx), int(compy)
line = f.readline()
rotation = 0
annotations = []
while line.strip() not in ("$EndComp", ''):
if line.startswith('F '):
annotations.append(self.parse_field(compx, compy, line))
elif line.startswith('\t'):
parts = line.strip().split()
if len(parts) == 4:
rotation = MATRIX2ROTATION.get(
tuple(int(i) for i in parts), 0)
line = f.readline()
inst = ComponentInstance(reference, name.upper(), convert - 1)
symbattr = SymbolAttribute(make_length(compx), -make_length(compy),
rotation, False)
for ann in annotations:
symbattr.add_annotation(ann)
inst.add_symbol_attribute(symbattr)
return inst
def test_write_instance(self):
""" Convert component instance """
inst = ComponentInstance('id', 'libid', 1)
inst.add_symbol_attribute(SymbolAttribute(3, 4, 0.5, False))
writer = Specctra()
obj = writer._convert_component_instance(inst)
self.assertEqual(
to_string(writer, obj),
'(component libid-1 (place id 31.250000 41.666667 front 270) )')
def parse_symbol_attribute(self, symbol_attribute):
""" Extract attributes from a symbol. """
x = int(symbol_attribute.get('x') or 0)
y = int(symbol_attribute.get('y') or 0)
rotation = float(symbol_attribute.get('rotation'))
try:
flip = (symbol_attribute.get('flip').lower() == "true")
except:
flip = False
# Make SymbolAttribute
symbol_attr = SymbolAttribute(x, y, rotation, flip)
# Add Annotations
for annotation in symbol_attribute.get('annotations'):
anno = self.parse_annotation(annotation)
symbol_attr.add_annotation(anno)
# Return SymbolAttribute to be added to its ComponentInstance
return symbol_attr
def parse_symbol_attribute(self, symbol_attribute):
""" Extract attributes from a symbol. """
x = int(symbol_attribute.get('x') or 0)
y = int(symbol_attribute.get('y') or 0)
rotation = float(symbol_attribute.get('rotation'))
try:
flip = (symbol_attribute.get('flip').lower() == "true")
except:
flip = False
# Make SymbolAttribute
symbol_attr = SymbolAttribute(x, y, rotation, flip)
# Add Annotations
for annotation in symbol_attribute.get('annotations'):
anno = self.parse_annotation(annotation)
symbol_attr.add_annotation(anno)
# Return SymbolAttribute to be added to its ComponentInstance
return symbol_attr
def parse_component_instance(self, f):
""" Parse a component instance from a $Comp block """
# pylint: disable=R0914
# name & reference
prefix, name, reference = f.readline().split()
assert prefix == 'L'
# unit & convert
prefix, unit, convert, _ = f.readline().split(None, 3)
unit, convert = int(unit), int(convert)
assert prefix == 'U'
# position
prefix, compx, compy = f.readline().split()
assert prefix == 'P'
compx, compy = int(compx), int(compy)
line = f.readline()
rotation = 0
annotations = []
while line.strip() not in ("$EndComp", ''):
if line.startswith('F '):
annotations.append(self.parse_field(compx, compy, line))
elif line.startswith('\t'):
parts = line.strip().split()
if len(parts) == 4:
rotation = MATRIX2ROTATION.get(
tuple(int(i) for i in parts), 0)
line = f.readline()
inst = ComponentInstance(reference, name, convert - 1)
symbattr = SymbolAttribute(make_length(compx), -make_length(compy),
rotation)
for ann in annotations:
symbattr.add_annotation(ann)
inst.add_symbol_attribute(symbattr)
return inst
def test_bounds_parts(self):
'''test bounds() with just components in the design'''
libcomp = Component('bar')
libcomp.add_symbol(Symbol())
libcomp.symbols[0].add_body(Body())
mkbounds(libcomp.symbols[0].bodies[0], 0, 0, 10, 10)
self.des.add_component('foo', libcomp)
for (x, y) in ((1, 3), (3, 2), (5, 3), (3, 7)):
compinst = ComponentInstance(str((x, y)), 'foo', 0)
compinst.add_symbol_attribute(SymbolAttribute(x, y, 0, False))
self.des.add_component_instance(compinst)
top_left, btm_right = self.des.bounds()
self.assertEqual(top_left.x, 1)
self.assertEqual(top_left.y, 2)
self.assertEqual(btm_right.x, 15)
self.assertEqual(btm_right.y, 17)
def _convert_components(self, struct):
for component in struct.placement.component:
library_id = component.image_id
for place in component.place:
# Outside PCB boundary
if not place.vertex:
continue
mirror = {90: 270, 270: 90}
if place.side == 'back':
rotation = place.rotation
else:
rotation = mirror.get(int(place.rotation), place.rotation)
inst = ComponentInstance(place.component_id, library_id, 0)
v = self.to_pixels(place.vertex)
symbattr = SymbolAttribute(v[0], v[1], to_piradians(rotation),
False)
inst.add_symbol_attribute(symbattr)
self.design.add_component_instance(inst)
def make_component_instance(self, parts, instance):
""" Construct an openjson component instance for an eagle instance. """
part = parts[instance.part]
library_id = part.library + ':' + part.deviceset
# TODO pick correct symbol index
inst = ComponentInstance(instance.part, library_id, 0)
# TODO handle mirror
# TODO handle smashed?
attr = SymbolAttribute(self.make_length(instance.x),
self.make_length(instance.y),
self.make_angle(instance.rot or '0'))
inst.add_symbol_attribute(attr)
return inst
def test_write_instance(self):
"""
The write_instance method serializes a component instance
correctly.
"""
inst = ComponentInstance('id', 'libid', 1)
inst.add_symbol_attribute(SymbolAttribute(3, 4, 0.5, False))
writer = KiCAD()
buf = StringIO()
writer.write_instance(buf, inst)
self.assertEqual(
buf.getvalue(), '''\
$Comp
L libid id
U 1 1 00000000
P 33 -44
\t1 33 -44
\t0 1 1 0
$EndComp
''')
def parse_component_instance(self, inst):
""" Parse a Fritzing non-wire instance into a ComponentInstance """
view = inst.find('views/schematicView')
if view is None:
return
if view.get('layer') == 'breadboardbreadboard':
return
cpt = self.ensure_component(inst)
if cpt is None:
return
index = inst.get('modelIndex')
idref = inst.get('moduleIdRef')
title = inst.find('title').text
geom = view.find('geometry')
xform = geom.find('transform')
x, y = float(geom.get('x', 0)), float(geom.get('y', 0))
if xform is None:
rotation = 0.0
else:
matrix = tuple(
int(float(xform.get(key, 0)))
for key in ('m11', 'm12', 'm21', 'm22'))
x, y = rotate_component(cpt, matrix, x, y)
rotation = MATRIX2ROTATION.get(matrix, 0.0)
compinst = ComponentInstance(title, cpt, idref, 0)
compinst.add_symbol_attribute(
SymbolAttribute(make_x(x), make_y(y), rotation, False))
self.component_instances[index] = compinst
def parse_inst(self, args):
""" Returns a parsed component instance. """
inst, libname, libnum, x, y, rot, scale, _unknown = args.split()
# scale is a floating point scaling constant. Also, evil.
if scale != '1':
libkey = self.scaled_component(libname, libnum, scale)
else:
libkey = self.lookup(libname, libnum)
thisinst = ComponentInstance(inst, self.lib.components[libkey], libkey,
0)
rot, flip = self.rot_and_flip(rot)
thisinst.add_symbol_attribute(
SymbolAttribute(int(x), int(y), rot, flip))
subdata = self.sub_nodes('|R A C'.split())
for annot in subdata['annot']:
thisinst.symbol_attributes[0].add_annotation(annot)
if '=' in annot.value:
thisinst.add_attribute(*(annot.value.split('=', 1)))
# Turns out C can reference a net before it's been created via
# the N command. Really don't like passing stuff inband like this. Ugh.
thisinst.conns = subdata['conn']
return ('inst', thisinst)
def parse_inst(self, args):
""" Returns a parsed component instance. """
inst, libname, libnum, x, y, rot, _scale, _unknown = args.split()
# scale is a floating point scaling constant. Also, evil.
thisinst = ComponentInstance(inst, self.lookup(libname, libnum), 0)
flip = False
if int(rot) > 3:
# part is flipped around y-axis. When applying transforms, flip it
# first, then rotate it.
rot = str(int(rot) - 4)
flip = True
thisinst.add_symbol_attribute(
SymbolAttribute(int(x), int(y), (2 - float(rot) / 2) % 2, flip))
subdata = self.sub_nodes('|R A C'.split())
for annot in subdata['annot']:
thisinst.symbol_attributes[0].add_annotation(annot)
if '=' in annot.value:
thisinst.add_attribute(*(annot.value.split('=', 1)))
# Turns out C can reference a net before it's been created via
# the N command. Really don't like passing stuff inband like this. Ugh.
thisinst.conns = subdata['conn']
return ('inst', thisinst)
def _parse_component(self, stream, params):
""" Creates a component instance according to the component *params*.
If the component is not known in the library, a the component
will be created according to its description in the embedded
environment ``[]`` or a symbol file. The component is added
to the library automatically if necessary.
An instance of this component will be created and added to
the design.
A GEDAError is raised when either the component file
is invalid or the referenced symbol file cannot be found
in the known directories.
Returns a tuple of Component and ComponentInstance objects.
"""
basename, _ = os.path.splitext(params['basename'])
component_name = basename
if params.get('mirror'):
component_name += '_MIRRORED'
if component_name in self.design.components.components:
component = self.design.components.components[component_name]
## skipping embedded data might be required
self.skip_embedded_section(stream)
else:
##check if sym file is embedded or referenced
if basename.startswith('EMBEDDED'):
## embedded only has to be processed when NOT in symbol lookup
if basename not in self.known_symbols:
component = self.parse_component_data(stream, params)
else:
if basename not in self.known_symbols:
log.warn("referenced symbol file '%s' unknown" % basename)
## create a unknown symbol reference
component = self.parse_component_data(
StringIO(UNKNOWN_COMPONENT % basename),
params
)
## parse optional attached environment before continuing
self._parse_environment(stream)
return None, None
## requires parsing of referenced symbol file
with open(self.known_symbols[basename], "rU") as f_in:
self._check_version(f_in)
component = self.parse_component_data(f_in, params)
self.design.add_component(component_name, component)
## get all attributes assigned to component instance
attributes = self._parse_environment(stream)
## refdes attribute is name of component (mandatory as of gEDA doc)
## examples if gaf repo have components without refdes, use part of
## basename
if attributes is not None:
instance = ComponentInstance(
attributes.get('_refdes', component.name),
component.name, 0
)
for key, value in attributes.items():
instance.add_attribute(key, value)
else:
instance = ComponentInstance(
component.name, component.name, 0
)
## generate a component instance using attributes
self.design.add_component_instance(instance)
symbol = SymbolAttribute(
self.x_to_px(params['x']),
self.y_to_px(params['y']),
self.conv_angle(params['angle'],
False)
)
instance.add_symbol_attribute(symbol)
## add annotation for special attributes
for idx, attribute_key in enumerate(['_refdes', 'device']):
if attribute_key in component.attributes \
or attribute_key in instance.attributes:
symbol.add_annotation(
Annotation(
'{{%s}}' % attribute_key,
0, 0+idx*10, 0.0, 'true'
)
)
return component, instance
def parse_component_instance(self, f):
""" Parse a component instance from a $Comp block """
# pylint: disable=R0914
# name & reference
prefix, name, reference = f.readline().split()
assert prefix == 'L'
ref_count_idx = 1
while reference in self.instance_names:
ref_count_idx += 1
reference = reference + '-' + str(ref_count_idx)
self.instance_names.append(reference)
comp = None
if self.library is not None:
library_part = self.library.lookup_part(name)
if library_part is not None:
name = library_part.name
# unit & convert
prefix, unit, convert, ar_path = f.readline().split(None, 3)
unit, convert = int(unit), int(convert)
assert prefix == 'U'
# position
prefix, compx, compy = f.readline().split()
assert prefix == 'P'
compx, compy = int(compx), int(compy)
line = f.readline()
rotation = 0
flip = False
annotations = []
while line.strip() not in ("$EndComp", ''):
if line.startswith('F '):
annotations.append(self.parse_field(compx, compy, line))
elif line.startswith('\t'):
parts = line.strip().split()
if len(parts) == 4:
rotation, flip = MATRIX2ROTATIONFLIP.get(
tuple(int(i) for i in parts), (0, False))
elif line.startswith('AR Path'):
if '?' in reference:
path_line = line.strip().split()
ar_path_check = path_line[1].strip('"')[
7:] #removes Path="/
if ar_path.strip() == ar_path_check:
reference = path_line[2].strip('"')[5:] #removes Ref="
line = f.readline()
inst = ComponentInstance(reference, library_part, name.upper(),
convert - 1)
symbattr = SymbolAttribute(compx, -compy, rotation, flip)
for ann in annotations:
symbattr.add_annotation(ann)
inst.add_symbol_attribute(symbattr)
return inst, comp
def _parse_component(self, stream, params):
""" Creates a component instance according to the component *params*.
If the component is not known in the library, a the component
will be created according to its description in the embedded
environment ``[]`` or a symbol file. The component is added
to the library automatically if necessary.
An instance of this component will be created and added to
the design.
A GEDAError is raised when either the component file
is invalid or the referenced symbol file cannot be found
in the known directories.
Returns a tuple of Component and ComponentInstance objects.
"""
basename, _ = os.path.splitext(params['basename'])
component_name = basename
if params.get('mirror'):
component_name += '_MIRRORED'
if component_name in self.design.components.components:
component = self.design.components.components[component_name]
## skipping embedded data might be required
self.skip_embedded_section(stream)
else:
##check if sym file is embedded or referenced
if basename.startswith('EMBEDDED'):
## embedded only has to be processed when NOT in symbol lookup
if basename not in self.known_symbols:
component = self.parse_component_data(stream, params)
else:
if basename not in self.known_symbols:
log.warn("referenced symbol file '%s' unknown" % basename)
## create a unknown symbol reference
component = self.parse_component_data(
StringIO(UNKNOWN_COMPONENT % basename), params)
## parse optional attached environment before continuing
self._parse_environment(stream)
return None, None
## requires parsing of referenced symbol file
with open(self.known_symbols[basename], "rU") as f_in:
self._check_version(f_in)
component = self.parse_component_data(f_in, params)
self.design.add_component(component_name, component)
## get all attributes assigned to component instance
attributes = self._parse_environment(stream)
## refdes attribute is name of component (mandatory as of gEDA doc)
## examples if gaf repo have components without refdes, use part of
## basename
if attributes is not None:
instance = ComponentInstance(
attributes.get('_refdes', component.name), component.name, 0)
for key, value in attributes.items():
instance.add_attribute(key, value)
else:
instance = ComponentInstance(component.name, component.name, 0)
## generate a component instance using attributes
self.design.add_component_instance(instance)
symbol = SymbolAttribute(self.x_to_px(params['x']),
self.y_to_px(params['y']),
self.conv_angle(params['angle'], False))
instance.add_symbol_attribute(symbol)
## add annotation for special attributes
for idx, attribute_key in enumerate(['_refdes', 'device']):
if attribute_key in component.attributes \
or attribute_key in instance.attributes:
symbol.add_annotation(
Annotation('{{%s}}' % attribute_key, 0, 0 + idx * 10, 0.0,
'true'))
return component, instance