ldcheck.py

Mon, 22 Jan 2018 21:00:45 +0200

author
Santeri Piippo
date
Mon, 22 Jan 2018 21:00:45 +0200
changeset 24
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parent 21
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child 26
7c263b864371
permissions
-rwxr-xr-x

added test for forbidden primitive scaling

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1 #!/usr/bin/env python3
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2 from sys import version_info
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3 if version_info < (3, 4):
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4 raise RuntimeError('Python 3.4 or newer required')
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5
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6 from parse import parse_ldraw_code
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7 from colours import load_colours
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8 from geometry import *
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9 from pathlib import Path
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10 import linetypes
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11
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12 from os.path import realpath
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13 script_directory = Path(realpath(__file__)).parent
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14
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15 def load_config(filename):
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16 from configobj import ConfigObj
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17 from copy import deepcopy
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18 config = ConfigObj(filename, encoding = 'UTF8')
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19 read_config = deepcopy(config)
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20 if 'libraries' not in config:
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21 config['libraries'] = ['/path/to/ldraw']
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22 if config != read_config:
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23 config.write()
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24 return config
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25
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26 def read_ldraw(file, *, name = '', config):
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27 model_body = [
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28 parse_ldraw_code(line)
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29 for line in file
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30 ]
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31 model = Model(body = model_body)
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32 model.name = name
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33 return model
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34
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35 def library_paths(config):
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36 for library_path_string in config['libraries']:
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37 yield Path(library_path_string).expanduser()
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38
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39 def find_ldconfig_ldr_paths(config):
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40 for library_path in library_paths(config):
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41 yield from [
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42 library_path / path
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43 for path in ['LDConfig.ldr', 'ldconfig.ldr']
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44 if (library_path / path).is_file()
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45 ]
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46
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47 def hairline_score(smallest_angle):
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48 from math import log10
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49 return max(0, -log10(smallest_angle))
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50
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51 class Model:
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52 def __init__(self, body):
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53 self.body = body
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54 self.body_offset = 0
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55 def filter_by_type(self, type):
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56 yield from [
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57 element
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58 for element in self.body
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59 if isinstance(element, type)
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60 ]
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61 @property
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62 def subfile_references(self):
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63 yield from self.filter_by_type(linetypes.SubfileReference)
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64 @property
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65 def line_segments(self):
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66 yield from self.filter_by_type(linetypes.LineSegment)
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67 @property
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68 def triangles(self):
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69 yield from self.filter_by_type(linetypes.Triangle)
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70 @property
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71 def quadrilaterals(self):
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72 yield from self.filter_by_type(linetypes.Quadrilateral)
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73
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74 if __name__ == '__main__':
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75 from sys import argv
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76 config = load_config('ldcheck.cfg')
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77 for ldconfig_ldr_path in find_ldconfig_ldr_paths(config):
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78 with ldconfig_ldr_path.open() as ldconfig_ldr:
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79 load_colours(ldconfig_ldr)
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80 with open(argv[1], 'r') as file:
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81 from os.path import basename
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82 model = read_ldraw(file, name = basename(argv[1]), config = config)
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83 from testsuite import load_tests, check_model, format_report
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84 test_suite = load_tests()
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85 report = check_model(model, test_suite)
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86 print(format_report(report, model, test_suite))

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