Lesters case

thingiverse

This appears to be a text file that contains data related to stencil patterns, specifically the placement of holes in a design for an Android device. To parse this data into a useful form, we will write it as code with some simple parsing rules: - We'll represent the pattern data using nested lists of point tuples. - For simplicity and without loss of generality, all numerical values are taken to be exact integers or single-precision floats. Any input file that contains other numerical representations will not have them changed during this processing. Note also that for certain parameters we have made simple, unprovable assumptions. ```python # This function will create a list representing the given pattern data from # a text-based stencil pattern specification in an unknown format def parse_pattern_text(): # Data from original spec file: pattern_data = \ """9 2 14 -17.333333,16.666667],[27.000001,-28.0],[6.833336,34.166667], [-18.5,-21.416665999999994], [-7.75,30.916669999999996], [-38.416665,1.416667], [14 -11.416666],[-25 10],[13 -2],[11 -33] ,\n [11 -20],[36 -6 ]""" pattern_elements = [] for i, item in enumerate(pattern_data.split('\n')): line = ''.join(item.split('[')) if len(line) < 1: continue #Skip empty lines splitline=line.strip()[1:].replace("\'", '').split(',')] coords=list(map(float,s)) point=[round(val,2) for val in coords] pattern_elements.append(pattern) return [x[0] for x in sorted(pattern)] parse_pattern_text() ``` In the end the data will be contained within this format, with lists of ordered coordinate points corresponding to various design patterns on a custom smartphone: