def parse_net(self, args): """ Assembles a net from a list of junctions, segments, and labels. """ thisnet = Net(args) subdata = self.sub_nodes('J S A L Q B'.split()) # finish building thisnet for netpt in subdata['netpoint'][:]: # using a copy so that we can modify subdata['netpoint'] inside loop if netpt.point_id not in thisnet.points: thisnet.add_point(netpt) else: # oh yeah, a net can have a point more than once, because that # makes *great* sense. for point in netpt.connected_points: thisnet.points[netpt.point_id].add_connected_point(point) for comp in netpt.connected_components: thisnet.points[netpt.point_id].add_connected_component(comp) # update subdata['netpoint'] so that ref to netpt points to the # new combined point i = subdata['netpoint'].index(netpt) subdata['netpoint'][i] = thisnet.points[netpt.point_id] # yuck, passing in-band thisnet.ibpts = subdata['netpoint'] for pt_a, pt_b in subdata['segment']: thisnet.connect((subdata['netpoint'][pt_a - 1], subdata['netpoint'][pt_b - 1])) for annot in subdata['annot']: thisnet.add_annotation(annot) if '=' in annot.value: thisnet.add_attribute(*(annot.value.split('=', 1))) return ('net', thisnet)
def make_net(self, net): """ Construct an openjson net from an eagle net. """ points = {} # (x, y) -> NetPoint def get_point(x, y): """ Return a new or existing NetPoint for an (x,y) point """ if (x, y) not in points: points[x, y] = NetPoint('%da%d' % (x, y), x, y) out_net.add_point(points[x, y]) return points[x, y] out_net = Net(net.name) for segment in get_subattr(net, 'segment', ()): for wire in get_subattr(segment, 'wire', ()): out_net.connect((get_point(self.make_length(wire.x1), self.make_length(wire.y1)), get_point(self.make_length(wire.x2), self.make_length(wire.y2)))) for pinref in get_subattr(segment, 'pinref', ()): self.connect_pinref(pinref, get_point(*self.get_pinref_point(pinref))) return out_net
def parse_net(self, args): """ Assembles a net from a list of junctions, segments, and labels. """ thisnet = Net(args) subdata = self.sub_nodes('J S A L Q B'.split()) # finish building thisnet for netpt in subdata['netpoint'][:]: # using a copy so that we can modify subdata['netpoint'] inside loop if netpt.point_id not in thisnet.points: thisnet.add_point(netpt) else: # oh yeah, a net can have a point more than once, because that # makes *great* sense. for point in netpt.connected_points: thisnet.points[netpt.point_id].add_connected_point(point) for comp in netpt.connected_components: thisnet.points[netpt.point_id].add_connected_component( comp) # update subdata['netpoint'] so that ref to netpt points to the # new combined point i = subdata['netpoint'].index(netpt) subdata['netpoint'][i] = thisnet.points[netpt.point_id] # yuck, passing in-band thisnet.ibpts = subdata['netpoint'] for pt_a, pt_b in subdata['segment']: thisnet.connect( (subdata['netpoint'][pt_a - 1], subdata['netpoint'][pt_b - 1])) for annot in subdata['annot']: thisnet.add_annotation(annot) if '=' in annot.value: thisnet.add_attribute(*(annot.value.split('=', 1))) return ('net', thisnet)
def calc_nets(self, design, segments): """ Return a set of Nets from segments """ coord2point = {} # (x, y) -> NetPoint def get_point(coord): """ Return a new or existing NetPoint for an (x,y) point """ coord = (int(coord[0]), int(coord[1])) if coord not in coord2point: coord2point[coord] = NetPoint('%da%d' % coord, coord[0], coord[1]) return coord2point[coord] # use this to track connected pins not yet added to a net self.make_pin_points(design, get_point) # set of points connected to pins pin_points = set(coord2point.itervalues()) # turn the (x, y) points into unique NetPoint objects segments = set((get_point(p1), get_point(p2)) for p1, p2 in segments) nets = [] # Iterate over the segments, removing segments when added to a net while segments: seg = segments.pop() # pick a point newnet = Net('') map(pin_points.discard, seg) # mark points as used newnet.connect(seg) found = True while found: found = set() for seg in segments: # iterate over segments if newnet.connected(seg): # segment touching the net map(pin_points.discard, seg) # mark points as used newnet.connect(seg) # add the segment found.add(seg) for seg in found: segments.remove(seg) nets.append(newnet) # add single-point nets for overlapping pins that are not # already in other nets for point in pin_points: if len(point.connected_components) > 1: net = Net('') net.add_point(point) nets.append(net) for net in nets: net.net_id = min(net.points) nets.sort(key=lambda net: net.net_id) return nets
def calc_nets(self, design, segments): """ Return a set of Nets from segments """ coord2point = {} # (x, y) -> NetPoint def get_point(coord): """ Return a new or existing NetPoint for an (x,y) point """ coord = (int(coord[0]), int(coord[1])) if coord not in coord2point: coord2point[coord] = NetPoint('%da%d' % coord, coord[0], coord[1]) return coord2point[coord] # use this to track connected pins not yet added to a net self.make_pin_points(design, get_point) # set of points connected to pins pin_points = set(coord2point.itervalues()) # turn the (x, y) points into unique NetPoint objects segments = set((get_point(p1), get_point(p2)) for p1, p2 in segments) nets = [] # Iterate over the segments, removing segments when added to a net while segments: seg = segments.pop() # pick a point newnet = Net('') map(pin_points.discard, seg) # mark points as used newnet.connect(seg) found = True while found: found = set() for seg in segments: # iterate over segments if newnet.connected(seg): # segment touching the net map(pin_points.discard, seg) # mark points as used newnet.connect(seg) # add the segment found.add(seg) for seg in found: segments.remove(seg) nets.append(newnet) # add single-point nets for overlapping pins that are not # already in other nets for point in pin_points: if len(point.connected_components) > 1: net = Net('') net.add_point(point) nets.append(net) for net in nets: net.net_id = min(net.points) nets.sort(key=lambda net : net.net_id) return nets
def calc_nets(self, segments): """ Return a set of Nets from segments """ points = {} # (x, y) -> NetPoint def get_point(point): """ Return a new or existing NetPoint for an (x,y) point """ point = (make_length(point[0]), make_length(point[1])) if point not in points: points[point] = NetPoint('%da%d' % point, point[0], point[1]) return points[point] # turn the (x, y) points into unique NetPoint objects segments = set((get_point(p1), get_point(p2)) for p1, p2 in segments) nets = [] # Iterate over the segments, removing segments when added to a net while segments: seg = segments.pop() # pick a point newnet = Net('') newnet.connect(seg) found = True while found: found = set() for seg in segments: # iterate over segments if newnet.connected(seg): # segment touching the net newnet.connect(seg) # add the segment found.add(seg) for seg in found: segments.remove(seg) nets.append(newnet) for net in nets: net.net_id = min(net.points) nets.sort(key=lambda net: net.net_id) return nets
def calc_nets(self, segments): """ Return a set of Nets from segments """ points = {} # (x, y) -> NetPoint def get_point(point): """ Return a new or existing NetPoint for an (x,y) point """ point = (make_length(point[0]), make_length(point[1])) if point not in points: points[point] = NetPoint('%da%d' % point, point[0], point[1]) return points[point] # turn the (x, y) points into unique NetPoint objects segments = set((get_point(p1), get_point(p2)) for p1, p2 in segments) nets = [] # Iterate over the segments, removing segments when added to a net while segments: seg = segments.pop() # pick a point newnet = Net('') newnet.connect(seg) found = True while found: found = set() for seg in segments: # iterate over segments if newnet.connected(seg): # segment touching the net newnet.connect(seg) # add the segment found.add(seg) for seg in found: segments.remove(seg) nets.append(newnet) for net in nets: net.net_id = min(net.points) nets.sort(key=lambda net : net.net_id) return nets
def parse_net(self, args): """ Assembles a net from a list of junctions, segments, and labels. """ thisnet = Net(args) subdata = defaultdict(list) for phrase in self.stream: print phrase cmd, _sep, args = phrase.partition(' ') if cmd not in ('J', 'S', 'A', 'L', 'Q', 'B'): self.stream.push(phrase) break print args k, v = self.parsenode(cmd)(args) subdata[k].append(v) # finish building thisnet for netpt in subdata['netpoint'][:]: # using a copy so that we can modify subdata['netpoint'] inside loop if netpt.point_id not in thisnet.points: thisnet.add_point(netpt) else: # oh yeah, a net can have a point more than once, because that # makes *great* sense. for point in netpt.connected_points: thisnet.points[netpt.point_id].add_connected_point(point) for comp in netpt.connected_components: thisnet.points[netpt.point_id].add_connected_component(comp) # update subdata['netpoint'] so that ref to netpt points to the # new combined point i = subdata['netpoint'].index(netpt) subdata['netpoint'][i] = thisnet.points[netpt.point_id] # yuck, passing in-band thisnet.ibpts = subdata['netpoint'] for pt_a, pt_b in subdata['segment']: thisnet.connect((subdata['netpoint'][pt_a - 1], subdata['netpoint'][pt_b - 1])) for annot in subdata['annot']: thisnet.add_annotation(annot) if '=' in annot.value: thisnet.add_attribute(*(annot.value.split('=', 1))) return ('net', thisnet)
def parse_net(self, args): """ Assembles a net from a list of junctions, segments, and labels. """ thisnet = Net(args) subdata = defaultdict(list) for phrase in self.stream: cmd, _sep, args = phrase.partition(' ') if cmd not in ('J', 'S', 'A', 'L', 'Q', 'B'): self.stream.push(phrase) break k, v = self.parsenode(cmd)(args) subdata[k].append(v) # finish building thisnet for netpt in subdata['netpoint'][:]: # using a copy so that we can modify subdata['netpoint'] inside loop if netpt.point_id not in thisnet.points: thisnet.add_point(netpt) else: # oh yeah, a net can have a point more than once, because that # makes *great* sense. for point in netpt.connected_points: thisnet.points[netpt.point_id].add_connected_point(point) for comp in netpt.connected_components: thisnet.points[netpt.point_id].add_connected_component(comp) # update subdata['netpoint'] so that ref to netpt points to the # new combined point i = subdata['netpoint'].index(netpt) subdata['netpoint'][i] = thisnet.points[netpt.point_id] # yuck, passing in-band thisnet.ibpts = subdata['netpoint'] for pt_a, pt_b in subdata['segment']: thisnet.connect((subdata['netpoint'][pt_a - 1], subdata['netpoint'][pt_b - 1])) for annot in subdata['annot']: thisnet.add_annotation(annot) if '=' in annot.value: thisnet.add_attribute(*(annot.value.split('=', 1))) return ('net', thisnet)