Add IPC-D-356 Netlist Parsing

This commit is contained in:
Hamilton Kibbe 2015-02-20 22:24:34 -05:00
parent b3e816466c
commit b3e0ceb5c3
6 changed files with 562 additions and 5 deletions

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@ -47,14 +47,14 @@ ctx = GerberCairoContext()
copper.render(ctx)
# Set opacity and color for soldermask layer
ctx.alpha = 0.65
ctx.alpha = 0.6
ctx.color = (0.2, 0.2, 0.75)
# Draw the soldermask layer
mask.render(ctx)
# Set opacity and color for silkscreen layer
ctx.alpha = 0.9
ctx.alpha = 0.85
ctx.color = (1, 1, 1)
# Draw the silkscreen layer
@ -65,4 +65,4 @@ ctx.alpha = 1.
drill.render(ctx)
# Write output to png file
ctx.dump(os.path.join(os.path.dirname(__file__), 'cairo_example.png'))
ctx.dump(os.path.join(os.path.dirname(__file__), 'cairo_example.png'))

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@ -53,7 +53,8 @@ class FileSettings(object):
and vice versa
"""
def __init__(self, notation='absolute', units='inch',
zero_suppression=None, format=(2, 5), zeros=None):
zero_suppression=None, format=(2, 5), zeros=None,
angle_units='degrees'):
if notation not in ['absolute', 'incremental']:
raise ValueError('Notation must be either absolute or incremental')
self.notation = notation
@ -84,6 +85,10 @@ class FileSettings(object):
raise ValueError('Format must be a tuple(n=2) of integers')
self.format = format
if angle_units not in ('degrees', 'radians'):
raise ValueError('Angle units may be degrees or radians')
self.angle_units = angle_units
@property
def zero_suppression(self):
return self._zero_suppression
@ -114,6 +119,8 @@ class FileSettings(object):
return self.zeros
elif key == 'format':
return self.format
elif key == 'angle_units':
return self.angle_units
else:
raise KeyError()
@ -144,6 +151,11 @@ class FileSettings(object):
raise ValueError('Format must be a tuple(n=2) of integers')
self.format = value
elif key == 'angle_units':
if value not in ('degrees', 'radians'):
raise ValueError('Angle units may be degrees or radians')
self.angle_units = value
else:
raise KeyError('%s is not a valid key' % key)
@ -151,7 +163,8 @@ class FileSettings(object):
return (self.notation == other.notation and
self.units == other.units and
self.zero_suppression == other.zero_suppression and
self.format == other.format)
self.format == other.format and
self.angle_units == other.angle_units)
class CamFile(object):

314
gerber/ipc356.py Normal file
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@ -0,0 +1,314 @@
#! /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 FileSettings
# 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]*)?')
def read(filename):
""" Read data from filename and return an IPC_D_356
Parameters
----------
filename : string
Filename of file to parse
Returns
-------
file : :class:`gerber.ipc356.IPC_D_356`
An IPC_D_356 object created from the specified file.
"""
# File object should use settings from source file by default.
return IPC_D_356.from_file(filename)
class IPC_D_356(object):
@classmethod
def from_file(self, filename):
p = IPC_D_356_Parser()
return p.parse(filename)
def __init__(self, statements, settings):
self.statements = statements
self.units = settings.units
self.angle_units = settings.angle_units
@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):
return list(set([rec.net_name for rec in self.test_records
if rec.net_name is not None]))
@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 board_outline(self):
outline = [stmt for stmt in self.statements if isinstance(stmt, IPC356_BoardEdge)]
if len(outline):
return outline[0].points
else:
return None
class IPC_D_356_Parser(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, 'r') as f:
for line in f:
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] == '3' and line[2] == '7':
# 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] == '389':
# Altium Board Edge Info
self.statements.append(IPC356_BoardEdge.from_line(line, self.settings))
elif line[0] == '9':
self.multiline = False
self.statements.append(IPC356_EndOfFile())
return IPC_D_356(self.statements, 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):
units = settings.units
angle = settings.angle_units
feature_types = {'1':'through-hole', '2': 'smt',
'3':'tooling-feature', '4':'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()
end = len(line) - 1 if len(line) < 27 else 26
record['id'] = line[20:end].strip()
end = len(line) - 1 if len(line) < 32 else 31
record['pin'] = (line[27:end].strip() if line[27:end].strip() != ''
else None)
record['location'] = 'middle' if line[31] == 'M' else 'end'
if line[32] == 'D':
end = len(line) - 1 if len(line) < 38 else 37
dia = int(line[33:end].strip())
record['hole_diameter'] = (dia * 0.0001 if units == 'inch'
else dia * 0.001)
if len(line) >= 38:
record['plated'] = (line[37] == 'P')
if len(line) >= 40:
end = len(line) - 1 if len(line) < 42 else 41
record['access'] = access[int(line[39:end])]
if len(line) >= 43:
end = len(line) - 1 if len(line) < 50 else 49
coord = int(line[42:49].strip())
record['x_coord'] = (coord * 0.0001 if units == 'inch'
else coord * 0.001)
if len(line) >= 51:
end = len(line) - 1 if len(line) < 58 else 57
coord = int(line[50:57].strip())
record['y_coord'] = (coord * 0.0001 if units == 'inch'
else coord * 0.001)
if len(line) >= 59:
end = len(line) - 1 if len(line) < 63 else 62
dim = line[58:62].strip()
if dim != '':
record['rect_x'] = (int(dim) * 0.0001 if units == 'inch'
else int(dim) * 0.001)
if len(line) >= 64:
end = len(line) - 1 if len(line) < 68 else 67
dim = line[63:67].strip()
if dim != '':
record['rect_y'] = (int(dim) * 0.0001 if units == 'inch'
else int(dim) * 0.001)
if len(line) >= 69:
end = len(line) - 1 if len(line) < 72 else 71
rot = line[68:71].strip()
if rot != '':
record['rect_rotation'] = (int(rot) if angle == 'degrees'
else math.degrees(rot))
if len(line) >= 74:
end = len(line) - 1 if len(line) < 75 else 74
record['soldermask_info'] = line[73:74].strip()
if len(line) >= 76:
end = len(line) - 1 if len(line < 80) else 79
record['optional_info'] = line[75:end]
return cls(**record)
def __init__(self, **kwargs):
for key in kwargs:
setattr(self, key, kwargs[key])
def __repr__(self):
return '<IPC-D-356 Test Record: Net: %s Type: %s>' % (self.net_name,
self.feature_type)
class IPC356_BoardEdge(object):
@classmethod
def from_line(cls, line, settings):
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(points)
def __init__(self, points):
self.points = points
def __repr__(self):
return '<IPC-D-356 Board Edge Definition>'
class IPC356_EndOfFile(object):
def __init__(self):
pass
def to_netlist(self):
return '999'
def __repr__(self):
return '<IPC-D-356 EOF>'

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@ -0,0 +1,114 @@
C IPC-D-356 generated by EAGLE Version 7.1.0 Copyright (c) 1988-2014 CadSoft
C Database /Some/Path/To/File
C
P JOB EAGLE 7.1 NETLIST, DATE: 2/20/15 12:00 AM
P UNITS CUST 0
P DIM N
P NNAME1 A_REALLY_LONG_NET_NAME
317GND VIA D 24PA00X 14900Y 1450X 396Y 396
317GND VIA D 24PA00X 3850Y 8500X 396Y 396
317GND VIA D 24PA00X 6200Y 10650X 396Y 396
317GND VIA D 24PA00X 8950Y 1000X 396Y 396
317GND VIA D 24PA00X 11800Y 2250X 396Y 396
317GND VIA D 24PA00X 15350Y 3200X 396Y 396
317GND VIA D 24PA00X 13200Y 3800X 396Y 396
317GND VIA D 24PA00X 9700Y 12050X 396Y 396
317GND VIA D 24PA00X 13950Y 11900X 396Y 396
317GND VIA D 24PA00X 13050Y 7050X 396Y 396
317GND VIA D 24PA00X 13000Y 8400X 396Y 396
317N$3 VIA D 24PA00X 11350Y 10100X 396Y 396
317N$3 VIA D 24PA00X 13250Y 5700X 396Y 396
317VCC VIA D 24PA00X 15550Y 6850X 396Y 396
327N$3 C1 -+ A01X 9700Y 10402X1575Y 630R270
327GND C1 -- A01X 9700Y 13198X1575Y 630R270
327VCC C2 -+ A01X 13950Y 9677X1535Y 630R270
327GND C2 -- A01X 13950Y 13023X1535Y 630R270
327VCC C3 -1 A01X 3850Y 9924X 512Y 591R270
327GND C3 -2 A01X 3850Y 9176X 512Y 591R270
327VCC C4 -1 A01X 10374Y 1000X 512Y 591R180
327GND C4 -2 A01X 9626Y 1000X 512Y 591R180
327VCC C5 -1 A01X 14700Y 3924X 512Y 591R270
327GND C5 -2 A01X 14700Y 3176X 512Y 591R270
317DMX+ DMX -1 D 40PA00X 5050Y 13900X 600Y1200R 90
317DMX- DMX -2 D 40PA00X 6050Y 13900X 600Y1200R 90
317GND DMX -3 D 40PA00X 7050Y 13900X 600Y1200R 90
317PIC_MCLR J1 -1 D 35PA00X 16900Y 6400X 554Y 554R 90
317VCC J1 -2 D 35PA00X 17900Y 6900X 554Y 554R 90
317GND J1 -3 D 35PA00X 16900Y 7400X 554Y 554R 90
317PIC_PGD J1 -4 D 35PA00X 17900Y 7900X 554Y 554R 90
317PIC_PGC J1 -5 D 35PA00X 16900Y 8400X 554Y 554R 90
317 J1 -6 D 35PA00X 17900Y 8900X 554Y 554R 90
327N$4 L1 -1 A01X 13950Y 6382X 748Y1339R 90
327VCC L1 -2 A01X 13950Y 7918X 748Y1339R 90
327N$5 LED1 -A A01X 16313Y 1450X 472Y 472R 0
327GND LED1 -C A01X 15487Y 1450X 472Y 472R 0
317 MIDI -1 D 40PA00X 1200Y 9500X 600Y1200R 0
317 MIDI -2 D 40PA00X 1200Y 8500X 600Y1200R 0
317 MIDI -3 D 40PA00X 1200Y 7500X 600Y1200R 0
317N$9 MIDI -4 D 40PA00X 1200Y 6500X 600Y1200R 0
317N$10 MIDI -5 D 40PA00X 1200Y 5500X 600Y1200R 0
317N$3 PWR -1 D 40PA00X 17050Y 13750X 600Y1200R 90
317GND PWR -2 D 40PA00X 18050Y 13750X 600Y1200R 90
327DMX+ R1 -1 A01X 5076Y 11500X 512Y 591R 0
327DMX- R1 -2 A01X 5824Y 11500X 512Y 591R 0
327VCC R2 -1 A01X 14376Y 5300X 512Y 591R 0
327PIC_MCLR R2 -2 A01X 15124Y 5300X 512Y 591R 0
327N$9 R3 -1 A01X 3126Y 6500X 512Y 591R 0
327N$6 R3 -2 A01X 3874Y 6500X 512Y 591R 0
327PIC_RX R4 -1 A01X 9600Y 2624X 512Y 591R270
327VCC R4 -2 A01X 9600Y 1876X 512Y 591R270
327VCC R5 -1 A01X 17974Y 1450X 512Y 591R180
327N$5 R5 -2 A01X 17226Y 1450X 512Y 591R180
327N$3 U1 -1 A01X 12330Y 5710X 420Y 850R 90
327N$4 U1 -2 A01X 12330Y 6380X 420Y 850R 90
327GND U1 -3 A01X 12330Y 7050X 420Y 850R 90
327VCC U1 -4 A01X 12330Y 7720X 420Y 850R 90
327GND U1 -5 A01X 12330Y 8390X 420Y 850R 90
327 U1 -6 A01X 9050Y 7050X4252Y4098R 90
327PIC_MCLR U2 -1 A01X 11123Y 4063X 157Y 591R270
327 U2 -2 A01X 11123Y 3807X 157Y 591R270
327 U2 -3 A01X 11123Y 3552X 157Y 591R270
327N$1 U2 -4 A01X 11123Y 3296X 157Y 591R270
327N$2 U2 -5 A01X 11123Y 3040X 157Y 591R270
327PIC_RX U2 -6 A01X 11123Y 2784X 157Y 591R270
327 U2 -7 A01X 11123Y 2528X 157Y 591R270
327GND U2 -8 A01X 11123Y 2272X 157Y 591R270
327 U2 -9 A01X 11123Y 2016X 157Y 591R270
327 U2 -10 A01X 11123Y 1760X 157Y 591R270
327 U2 -11 A01X 11123Y 1504X 157Y 591R270
327 U2 -12 A01X 11123Y 1248X 157Y 591R270
327VCC U2 -13 A01X 11123Y 993X 157Y 591R270
327 U2 -14 A01X 11123Y 737X 157Y 591R270
327 U2 -15 A01X 13977Y 737X 157Y 591R270
327 U2 -16 A01X 13977Y 993X 157Y 591R270
327 U2 -17 A01X 13977Y 1248X 157Y 591R270
327 U2 -18 A01X 13977Y 1504X 157Y 591R270
327 U2 -19 A01X 13977Y 1760X 157Y 591R270
327 U2 -20 A01X 13977Y 2016X 157Y 591R270
327PIC_PGD U2 -21 A01X 13977Y 2272X 157Y 591R270
327PIC_PGC U2 -22 A01X 13977Y 2528X 157Y 591R270
327 U2 -23 A01X 13977Y 2784X 157Y 591R270
327 U2 -24 A01X 13977Y 3040X 157Y 591R270
327 U2 -25 A01X 13977Y 3296X 157Y 591R270
327 U2 -26 A01X 13977Y 3552X 157Y 591R270
327GND U2 -27 A01X 13977Y 3807X 157Y 591R270
327VCC U2 -28 A01X 13977Y 4063X 157Y 591R270
327N$2 U3 -1 A01X 4700Y 7540X 260Y 800R 0
327VCC U3 -2 A01X 5200Y 7540X 260Y 800R 0
327VCC U3 -3 A01X 5700Y 7540X 260Y 800R 0
327N$1 U3 -4 A01X 6200Y 7540X 260Y 800R 0
327GND U3 -5 A01X 6200Y 9960X 260Y 800R 0
327DMX- U3 -6 A01X 5700Y 9960X 260Y 800R 0
327DMX+ U3 -7 A01X 5200Y 9960X 260Y 800R 0
327VCC U3 -8 A01X 4700Y 9960X 260Y 800R 0
327 U4 -1 A01X 4704Y 3850X 394Y 500R 0
327N$6 U4 -2 A01X 4704Y 2800X 394Y 500R 0
327N$10 U4 -3 A01X 4704Y 1800X 394Y 500R 0
327 U4 -4 A01X 4704Y 750X 394Y 500R 0
327GND U4 -5 A01X 8396Y 750X 394Y 500R 0
327PIC_RX U4 -6 A01X 8396Y 1800X 394Y 500R 0
327 U4 -7 A01X 8396Y 2800X 394Y 500R 0
327VCC U4 -8 A01X 8396Y 3850X 394Y 500R 0
327NNAME1 NA -69 A01X 8396Y 3850X 394Y 500R 0
389BOARD_EDGE X0Y0 X22500 Y15000 X0
999

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@ -0,0 +1,116 @@
#! /usr/bin/env python
# -*- coding: utf-8 -*-
# Author: Hamilton Kibbe <ham@hamiltonkib.be>
from ..ipc356 import *
from ..cam import FileSettings
from .tests import *
import os
IPC_D_356_FILE = os.path.join(os.path.dirname(__file__),
'resources/ipc-d-356.ipc')
def test_read():
ipcfile = read(IPC_D_356_FILE)
assert(isinstance(ipcfile, IPC_D_356))
def test_parser():
ipcfile = read(IPC_D_356_FILE)
assert_equal(ipcfile.settings.units, 'inch')
assert_equal(ipcfile.settings.angle_units, 'degrees')
assert_equal(len(ipcfile.comments), 3)
assert_equal(len(ipcfile.parameters), 4)
assert_equal(len(ipcfile.test_records), 105)
assert_equal(len(ipcfile.components), 21)
assert_equal(len(ipcfile.vias), 14)
assert_equal(ipcfile.test_records[-1].net_name, 'A_REALLY_LONG_NET_NAME')
assert_equal(set(ipcfile.board_outline),
{(0., 0.), (2.25, 0.), (2.25, 1.5), (0., 1.5)})
def test_comment():
c = IPC356_Comment('Layer Stackup:')
assert_equal(c.comment, 'Layer Stackup:')
c = IPC356_Comment.from_line('C Layer Stackup: ')
assert_equal(c.comment, 'Layer Stackup:')
assert_raises(ValueError, IPC356_Comment.from_line, 'P JOB')
assert_equal(str(c), '<IPC-D-356 Comment: Layer Stackup:>')
def test_parameter():
p = IPC356_Parameter('VER', 'IPC-D-356A')
assert_equal(p.parameter, 'VER')
assert_equal(p.value, 'IPC-D-356A')
p = IPC356_Parameter.from_line('P VER IPC-D-356A ')
assert_equal(p.parameter, 'VER')
assert_equal(p.value, 'IPC-D-356A')
assert_raises(ValueError, IPC356_Parameter.from_line, 'C Layer Stackup: ')
assert_equal(str(p), '<IPC-D-356 Parameter: VER=IPC-D-356A>')
def test_eof():
e = IPC356_EndOfFile()
assert_equal(e.to_netlist(), '999')
assert_equal(str(e), '<IPC-D-356 EOF>')
def test_board_edge():
points = [(0.01, 0.01), (2., 2.), (4., 2.), (4., 6.)]
b = IPC356_BoardEdge(points)
assert_equal(b.points, points)
b = IPC356_BoardEdge.from_line('389BOARD_EDGE X100Y100 X20000Y20000'
' X40000 Y60000', FileSettings(units='inch'))
assert_equal(b.points, points)
def test_test_record():
assert_raises(ValueError, IPC356_TestRecord.from_line, 'P JOB', FileSettings())
record_string = '317+5VDC VIA - D0150PA00X 006647Y 012900X0000 S3'
r = IPC356_TestRecord.from_line(record_string, FileSettings(units='inch'))
assert_equal(r.feature_type, 'through-hole')
assert_equal(r.net_name, '+5VDC')
assert_equal(r.id, 'VIA')
assert_almost_equal(r.hole_diameter, 0.015)
assert_true(r.plated)
assert_equal(r.access, 'both')
assert_almost_equal(r.x_coord, 0.6647)
assert_almost_equal(r.y_coord, 1.29)
assert_equal(r.rect_x, 0.)
assert_equal(r.soldermask_info, '3')
r = IPC356_TestRecord.from_line(record_string, FileSettings(units='metric'))
assert_almost_equal(r.hole_diameter, 0.15)
assert_almost_equal(r.x_coord, 6.647)
assert_almost_equal(r.y_coord, 12.9)
assert_equal(r.rect_x, 0.)
assert_equal(str(r),
'<IPC-D-356 Test Record: Net: +5VDC Type: through-hole>')
record_string = '327+3.3VDC R40 -1 PA01X 032100Y 007124X0236Y0315R180 S0'
r = IPC356_TestRecord.from_line(record_string, FileSettings(units='inch'))
assert_equal(r.feature_type, 'smt')
assert_equal(r.net_name, '+3.3VDC')
assert_equal(r.id, 'R40')
assert_equal(r.pin, '1')
assert_true(r.plated)
assert_equal(r.access, 'top')
assert_almost_equal(r.x_coord, 3.21)
assert_almost_equal(r.y_coord, 0.7124)
assert_almost_equal(r.rect_x, 0.0236)
assert_almost_equal(r.rect_y, 0.0315)
assert_equal(r.rect_rotation, 180)
assert_equal(r.soldermask_info, '0')
r = IPC356_TestRecord.from_line(record_string, FileSettings(units='metric'))
assert_almost_equal(r.x_coord, 32.1)
assert_almost_equal(r.y_coord, 7.124)
assert_almost_equal(r.rect_x, 0.236)
assert_almost_equal(r.rect_y, 0.315)
record_string = '317 J4 -M2 D0330PA00X 012447Y 008030X0000 S0'
r = IPC356_TestRecord.from_line(record_string, FileSettings(units='inch'))
assert_equal(r.feature_type, 'through-hole')
assert_equal(r.id, 'J4')
assert_equal(r.pin, 'M2')
assert_almost_equal(r.hole_diameter, 0.033)
assert_true(r.plated)
assert_equal(r.access, 'both')
assert_almost_equal(r.x_coord, 1.2447)
assert_almost_equal(r.y_coord, 0.8030)
assert_almost_equal(r.rect_x, 0.)
assert_equal(r.soldermask_info, '0')