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Diffstat (limited to 'gerber/ipc356.py')
| -rw-r--r-- | gerber/ipc356.py | 485 |
1 files changed, 0 insertions, 485 deletions
diff --git a/gerber/ipc356.py b/gerber/ipc356.py deleted file mode 100644 index 9337a99..0000000 --- a/gerber/ipc356.py +++ /dev/null @@ -1,485 +0,0 @@ -#! /usr/bin/env python -# -*- coding: utf-8 -*- - -# copyright 2014 Hamilton Kibbe <ham@hamiltonkib.be> -# Modified from parser.py by Paulo Henrique Silva <ph.silva@gmail.com> -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at - -# http://www.apache.org/licenses/LICENSE-2.0 - -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -import math -import re -from .cam import CamFile, FileSettings -from .primitives import TestRecord - -# Net Name Variables -_NNAME = re.compile(r'^NNAME\d+$') - -# Board Edge Coordinates -_COORD = re.compile(r'X?(?P<x>[\d\s]*)?Y?(?P<y>[\d\s]*)?') - -_SM_FIELD = { - '0': 'none', - '1': 'primary side', - '2': 'secondary side', - '3': 'both'} - - -def read(filename): - """ Read data from filename and return an IPCNetlist - Parameters - ---------- - filename : string - Filename of file to parse - - Returns - ------- - file : :class:`gerber.ipc356.IPCNetlist` - An IPCNetlist object created from the specified file. - - """ - # File object should use settings from source file by default. - return IPCNetlist.from_file(filename) - - -def loads(data, filename=None): - """ Generate an IPCNetlist object from IPC-D-356 data in memory - - Parameters - ---------- - data : string - string containing netlist file contents - - filename : string, optional - string containing the filename of the data source - - Returns - ------- - file : :class:`gerber.ipc356.IPCNetlist` - An IPCNetlist created from the specified file. - """ - return IPCNetlistParser().parse_raw(data, filename) - - -class IPCNetlist(CamFile): - - @classmethod - def from_file(cls, filename): - parser = IPCNetlistParser() - return parser.parse(filename) - - def __init__(self, statements, settings, primitives=None, filename=None): - self.statements = statements - self.units = settings.units - self.angle_units = settings.angle_units - self.primitives = [TestRecord((rec.x_coord, rec.y_coord), rec.net_name, - rec.access) for rec in self.test_records] - self.filename = filename - - @property - def settings(self): - return FileSettings(units=self.units, angle_units=self.angle_units) - - @property - def comments(self): - return [record for record in self.statements - if isinstance(record, IPC356_Comment)] - - @property - def parameters(self): - return [record for record in self.statements - if isinstance(record, IPC356_Parameter)] - - @property - def test_records(self): - return [record for record in self.statements - if isinstance(record, IPC356_TestRecord)] - - @property - def nets(self): - nets = [] - for net in list(set([rec.net_name for rec in self.test_records - if rec.net_name is not None])): - adjacent_nets = set() - for record in self.adjacency_records: - if record.net == net: - adjacent_nets = adjacent_nets.update(record.adjacent_nets) - elif net in record.adjacent_nets: - adjacent_nets.add(record.net) - nets.append(IPC356_Net(net, adjacent_nets)) - return nets - - @property - def components(self): - return list(set([rec.id for rec in self.test_records - if rec.id is not None and rec.id != 'VIA'])) - - @property - def vias(self): - return [rec.id for rec in self.test_records if rec.id == 'VIA'] - - @property - def outlines(self): - return [stmt for stmt in self.statements - if isinstance(stmt, IPC356_Outline)] - - @property - def adjacency_records(self): - return [record for record in self.statements - if isinstance(record, IPC356_Adjacency)] - - def render(self, ctx, layer='both', filename=None): - for p in self.primitives: - if layer == 'both' and p.layer in ('top', 'bottom', 'both'): - ctx.render(p) - elif layer == 'top' and p.layer in ('top', 'both'): - ctx.render(p) - elif layer == 'bottom' and p.layer in ('bottom', 'both'): - ctx.render(p) - if filename is not None: - ctx.dump(filename) - - -class IPCNetlistParser(object): - # TODO: Allow multi-line statements (e.g. Altium board edge) - - def __init__(self): - self.units = 'inch' - self.angle_units = 'degrees' - self.statements = [] - self.nnames = {} - - @property - def settings(self): - return FileSettings(units=self.units, angle_units=self.angle_units) - - def parse(self, filename): - with open(filename, 'rU') as f: - data = f.read() - return self.parse_raw(data, filename) - - def parse_raw(self, data, filename=None): - oldline = '' - for line in data.splitlines(): - # Check for existing multiline data... - if oldline != '': - if len(line) and line[0] == '0': - oldline = oldline.rstrip('\r\n') + line[3:].rstrip() - else: - self._parse_line(oldline) - oldline = line - else: - oldline = line - self._parse_line(oldline) - - return IPCNetlist(self.statements, self.settings, filename=filename) - - def _parse_line(self, line): - if not len(line): - return - if line[0] == 'C': - # Comment - self.statements.append(IPC356_Comment.from_line(line)) - - elif line[0] == 'P': - # Parameter - p = IPC356_Parameter.from_line(line) - if p.parameter == 'UNITS': - if p.value in ('CUST', 'CUST 0'): - self.units = 'inch' - self.angle_units = 'degrees' - elif p.value == 'CUST 1': - self.units = 'metric' - self.angle_units = 'degrees' - elif p.value == 'CUST 2': - self.units = 'inch' - self.angle_units = 'radians' - self.statements.append(p) - if _NNAME.match(p.parameter): - # Add to list of net name variables - self.nnames[p.parameter] = p.value - - elif line[0] == '9': - self.statements.append(IPC356_EndOfFile()) - - elif line[0:3] in ('317', '327', '367'): - # Test Record - record = IPC356_TestRecord.from_line(line, self.settings) - - # Substitute net name variables - net = record.net_name - if (_NNAME.match(net) and net in self.nnames.keys()): - record.net_name = self.nnames[record.net_name] - self.statements.append(record) - - elif line[0:3] == '378': - # Conductor - self.statements.append( - IPC356_Conductor.from_line( - line, self.settings)) - - elif line[0:3] == '379': - # Net Adjacency - self.statements.append(IPC356_Adjacency.from_line(line)) - - elif line[0:3] == '389': - # Outline - self.statements.append( - IPC356_Outline.from_line( - line, self.settings)) - - -class IPC356_Comment(object): - - @classmethod - def from_line(cls, line): - if line[0] != 'C': - raise ValueError('Not a valid comment statment') - comment = line[2:].strip() - return cls(comment) - - def __init__(self, comment): - self.comment = comment - - def __repr__(self): - return '<IPC-D-356 Comment: %s>' % self.comment - - -class IPC356_Parameter(object): - - @classmethod - def from_line(cls, line): - if line[0] != 'P': - raise ValueError('Not a valid parameter statment') - splitline = line[2:].split() - parameter = splitline[0].strip() - value = ' '.join(splitline[1:]).strip() - return cls(parameter, value) - - def __init__(self, parameter, value): - self.parameter = parameter - self.value = value - - def __repr__(self): - return '<IPC-D-356 Parameter: %s=%s>' % (self.parameter, self.value) - - -class IPC356_TestRecord(object): - - @classmethod - def from_line(cls, line, settings): - offset = 0 - units = settings.units - angle = settings.angle_units - feature_types = {'1': 'through-hole', '2': 'smt', - '3': 'tooling-feature', '4': 'tooling-hole', - '6': 'non-plated-tooling-hole'} - access = ['both', 'top', 'layer2', 'layer3', 'layer4', 'layer5', - 'layer6', 'layer7', 'bottom'] - record = {} - line = line.strip() - if line[0] != '3': - raise ValueError('Not a valid test record statment') - record['feature_type'] = feature_types[line[1]] - - end = len(line) - 1 if len(line) < 18 else 17 - record['net_name'] = line[3:end].strip() - - if len(line) >= 27 and line[26] != '-': - offset = line[26:].find('-') - offset = 0 if offset == -1 else offset - end = len(line) - 1 if len(line) < (27 + offset) else (26 + offset) - record['id'] = line[20:end].strip() - - end = len(line) - 1 if len(line) < (32 + offset) else (31 + offset) - record['pin'] = (line[27 + offset:end].strip() if line[27 + offset:end].strip() != '' - else None) - - record['location'] = 'middle' if line[31 + offset] == 'M' else 'end' - if line[32 + offset] == 'D': - end = len(line) - 1 if len(line) < (38 + offset) else (37 + offset) - dia = int(line[33 + offset:end].strip()) - record['hole_diameter'] = (dia * 0.0001 if units == 'inch' - else dia * 0.001) - if len(line) >= (38 + offset): - record['plated'] = (line[37 + offset] == 'P') - - if len(line) >= (40 + offset): - end = len(line) - 1 if len(line) < (42 + offset) else (41 + offset) - record['access'] = access[int(line[39 + offset:end])] - - if len(line) >= (43 + offset): - end = len(line) - 1 if len(line) < (50 + offset) else (49 + offset) - coord = int(line[42 + offset:end].strip()) - record['x_coord'] = (coord * 0.0001 if units == 'inch' - else coord * 0.001) - - if len(line) >= (51 + offset): - end = len(line) - 1 if len(line) < (58 + offset) else (57 + offset) - coord = int(line[50 + offset:end].strip()) - record['y_coord'] = (coord * 0.0001 if units == 'inch' - else coord * 0.001) - - if len(line) >= (59 + offset): - end = len(line) - 1 if len(line) < (63 + offset) else (62 + offset) - dim = line[58 + offset:end].strip() - if dim != '': - record['rect_x'] = (int(dim) * 0.0001 if units == 'inch' - else int(dim) * 0.001) - - if len(line) >= (64 + offset): - end = len(line) - 1 if len(line) < (68 + offset) else (67 + offset) - dim = line[63 + offset:end].strip() - if dim != '': - record['rect_y'] = (int(dim) * 0.0001 if units == 'inch' - else int(dim) * 0.001) - - if len(line) >= (69 + offset): - end = len(line) - 1 if len(line) < (72 + offset) else (71 + offset) - rot = line[68 + offset:end].strip() - if rot != '': - record['rect_rotation'] = (int(rot) if angle == 'degrees' - else math.degrees(rot)) - - if len(line) >= (74 + offset): - end = 74 + offset - sm_info = line[73 + offset:end].strip() - record['soldermask_info'] = _SM_FIELD.get(sm_info) - - if len(line) >= (76 + offset): - end = len(line) - 1 if len(line) < (80 + offset) else 79 + offset - record['optional_info'] = line[75 + offset:end] - - return cls(**record) - - def __init__(self, **kwargs): - for key in kwargs: - setattr(self, key, kwargs[key]) - - def __repr__(self): - return '<IPC-D-356 %s Test Record: %s>' % (self.net_name, - self.feature_type) - - -class IPC356_Outline(object): - - @classmethod - def from_line(cls, line, settings): - type = line[3:17].strip() - scale = 0.0001 if settings.units == 'inch' else 0.001 - points = [] - x = 0 - y = 0 - coord_strings = line.strip().split()[1:] - for coord in coord_strings: - coord_dict = _COORD.match(coord).groupdict() - x = int(coord_dict['x']) if coord_dict['x'] is not '' else x - y = int(coord_dict['y']) if coord_dict['y'] is not '' else y - points.append((x * scale, y * scale)) - return cls(type, points) - - def __init__(self, type, points): - self.type = type - self.points = points - - def __repr__(self): - return '<IPC-D-356 %s Outline Definition>' % self.type - - -class IPC356_Conductor(object): - - @classmethod - def from_line(cls, line, settings): - if line[0:3] != '378': - raise ValueError('Not a valid IPC-D-356 Conductor statement') - - scale = 0.0001 if settings.units == 'inch' else 0.001 - net_name = line[3:17].strip() - layer = int(line[19:21]) - - # Parse out aperture definiting - raw_aperture = line[22:].split()[0] - aperture_dict = _COORD.match(raw_aperture).groupdict() - x = 0 - y = 0 - x = int(aperture_dict['x']) * \ - scale if aperture_dict['x'] is not '' else None - y = int(aperture_dict['y']) * \ - scale if aperture_dict['y'] is not '' else None - aperture = (x, y) - - # Parse out conductor shapes - shapes = [] - coord_list = ' '.join(line[22:].split()[1:]) - raw_shapes = coord_list.split('*') - for rshape in raw_shapes: - x = 0 - y = 0 - shape = [] - coords = rshape.split() - for coord in coords: - coord_dict = _COORD.match(coord).groupdict() - x = int(coord_dict['x']) if coord_dict['x'] is not '' else x - y = int(coord_dict['y']) if coord_dict['y'] is not '' else y - shape.append((x * scale, y * scale)) - shapes.append(tuple(shape)) - return cls(net_name, layer, aperture, tuple(shapes)) - - def __init__(self, net_name, layer, aperture, shapes): - self.net_name = net_name - self.layer = layer - self.aperture = aperture - self.shapes = shapes - - def __repr__(self): - return '<IPC-D-356 %s Conductor Record>' % self.net_name - - -class IPC356_Adjacency(object): - - @classmethod - def from_line(cls, line): - if line[0:3] != '379': - raise ValueError('Not a valid IPC-D-356 Conductor statement') - nets = line[3:].strip().split() - - return cls(nets[0], nets[1:]) - - def __init__(self, net, adjacent_nets): - self.net = net - self.adjacent_nets = adjacent_nets - - def __repr__(self): - return '<IPC-D-356 %s Adjacency Record>' % self.net - - -class IPC356_EndOfFile(object): - - def __init__(self): - pass - - def to_netlist(self): - return '999' - - def __repr__(self): - return '<IPC-D-356 EOF>' - - -class IPC356_Net(object): - - def __init__(self, name, adjacent_nets): - self.name = name - self.adjacent_nets = set( - adjacent_nets) if adjacent_nets is not None else set() - - def __repr__(self): - return '<IPC-D-356 Net %s>' % self.name |