1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
#! /usr/bin/env python
# -*- coding: utf-8 -*-
# Author: Jan Götte <code@jaseg.de>
import math
import pytest
from scipy.spatial import KDTree
from ..excellon import ExcellonFile
from ..rs274x import GerberFile
from ..cam import FileSettings
from ..graphic_objects import Flash
from .image_support import *
from .utils import *
from ..utils import Inch, MM
REFERENCE_FILES = {
'easyeda/Gerber_Drill_NPTH.DRL': (None, None),
'easyeda/Gerber_Drill_PTH.DRL': (None, 'easyeda/Gerber_TopLayer.GTL'),
# Altium uses an excellon format specification format that gerbv doesn't understand, so we have to fix that.
'altium-composite-drill/NC Drill/LimeSDR-QPCIe_1v2-SlotHoles.TXT': (('mm', 'leading', 4), None),
'altium-composite-drill/NC Drill/LimeSDR-QPCIe_1v2-RoundHoles.TXT': (('mm', 'leading', 4), 'altium-composite-drill/Gerber/LimeSDR-QPCIe_1v2.GTL'),
'pcb-rnd/power-art.xln': (None, 'pcb-rnd/power-art.gtl'),
'siemens/80101_0125_F200_ThruHoleNonPlated.ncd': (None, None),
'siemens/80101_0125_F200_ThruHolePlated.ncd': (None, 'siemens/80101_0125_F200_L01_Top.gdo'),
'siemens/80101_0125_F200_ContourPlated.ncd': (None, None),
'Target3001/IRNASIoTbank1.2.Drill': (None, 'Target3001/IRNASIoTbank1.2.Top'),
'altium-old-composite-drill.txt': (None, None),
'fritzing/combined.txt': (None, 'fritzing/combined.gtl'),
'ncdrill.DRD': (None, None),
'upverter/design_export.drl': (None, 'upverter/design_export.gtl'),
'diptrace/mainboard.drl': (None, 'diptrace/mainboard_Top.gbr'),
'diptrace/panel.drl': (None, None),
'diptrace/keyboard.drl': (None, 'diptrace/keyboard_Bottom.gbr'),
}
@filter_syntax_warnings
@pytest.mark.parametrize('reference', list(REFERENCE_FILES.items()), indirect=True)
def test_round_trip(reference, tmpfile):
reference, (unit_spec, _) = reference
tmp = tmpfile('Output excellon', '.drl')
print('unit spec', unit_spec)
ExcellonFile.open(reference).save(tmp)
mean, _max, hist = gerber_difference(reference, tmp, diff_out=tmpfile('Difference', '.png'), ref_unit_spec=unit_spec)
assert mean < 5e-5
assert hist[9] == 0
assert hist[3:].sum() < 5e-5*hist.size
@filter_syntax_warnings
@pytest.mark.parametrize('reference', list(REFERENCE_FILES.items()), indirect=True)
def test_idempotence(reference, tmpfile):
reference, (unit_spec, _) = reference
if reference.name == '80101_0125_F200_ContourPlated.ncd':
# this file contains a duplicate tool definition that we optimize out on our second pass.
# TODO see whether we can change things so we optimize this out on the first pass already. I'm not sure what
# went wrong there.
pytest.skip()
tmp_1 = tmpfile('First generation output', '.drl')
tmp_2 = tmpfile('Second generation output', '.drl')
ExcellonFile.open(reference).save(tmp_1)
ExcellonFile.open(tmp_1).save(tmp_2)
assert tmp_1.read_text() == tmp_2.read_text()
@filter_syntax_warnings
@pytest.mark.parametrize('reference', list(REFERENCE_FILES.items()), indirect=True)
def test_gerber_alignment(reference, tmpfile, print_on_error):
reference, (unit_spec, gerber) = reference
tmp = tmpfile('Output excellon', '.drl')
if gerber is None:
pytest.skip()
excf = ExcellonFile.open(reference)
gerf_path = reference_path(gerber)
print_on_error('Reference gerber file:', gerf_path)
gerf = GerberFile.open(gerf_path)
print('bounds excellon:', excf.bounding_box(MM))
print('bounds gerber:', gerf.bounding_box(MM))
excf.save('/tmp/test.xnc')
flash_coords = []
for obj in gerf.objects:
if isinstance(obj, Flash):
x, y = obj.unit.convert_to(MM, obj.x), obj.unit.convert_to(MM, obj.y)
if abs(x - 121.525) < 2 and abs(y - 64) < 2:
print(obj)
flash_coords.append((x, y))
tree = KDTree(flash_coords, copy_data=True)
tolerance = 0.05 # mm
matches, total = 0, 0
for obj in excf.objects:
if isinstance(obj, Flash):
if obj.plated in (True, None):
total += 1
x, y = obj.unit.convert_to(MM, obj.x), obj.unit.convert_to(MM, obj.y)
print((x, y), end=' ')
if abs(x - 121.525) < 2 and abs(y - 64) < 2:
print(obj)
print(' ', tree.query_ball_point((x, y), r=tolerance))
if tree.query_ball_point((x, y), r=tolerance):
matches += 1
# Some PCB tools, notably easyeda, are dumb and export certain pads as regions, not apertures. Thus, we have to
# tolerate some non-matches.
assert matches > 10
assert matches/total > 0.5
@filter_syntax_warnings
def test_syntax_error():
ref = reference_path('test_syntax_error.exc')
with pytest.raises(SyntaxError) as exc_info:
ExcellonFile.open(ref)
assert 'test_syntax_error.exc' in exc_info.value.msg
assert '12' in exc_info.value.msg # lineno
|
