158 lines
4.5 KiB
Python
158 lines
4.5 KiB
Python
# -*- coding: utf-8 -*-
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import re
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from pathlib import Path
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from typing import Dict, List
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awg_equiv_table = {
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'0.09': '28',
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'0.14': '26',
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'0.25': '24',
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'0.34': '22',
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'0.5': '21',
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'0.75': '20',
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'1': '18',
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'1.5': '16',
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'2.5': '14',
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'4': '12',
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'6': '10',
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'10': '8',
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'16': '6',
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'25': '4',
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'35': '2',
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'50': '1',
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}
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mm2_equiv_table = {v:k for k,v in awg_equiv_table.items()}
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def awg_equiv(mm2):
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return awg_equiv_table.get(str(mm2), 'Unknown')
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def mm2_equiv(awg):
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return mm2_equiv_table.get(str(awg), 'Unknown')
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def expand(yaml_data):
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# yaml_data can be:
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# - a singleton (normally str or int)
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# - a list of str or int
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# if str is of the format '#-#', it is treated as a range (inclusive) and expanded
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output = []
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if not isinstance(yaml_data, list):
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yaml_data = [yaml_data]
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for e in yaml_data:
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e = str(e)
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if '-' in e:
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a, b = e.split('-', 1)
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try:
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a = int(a)
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b = int(b)
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if a < b:
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for x in range(a, b + 1):
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output.append(x) # ascending range
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elif a > b:
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for x in range(a, b - 1, -1):
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output.append(x) # descending range
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else: # a == b
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output.append(a) # range of length 1
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except:
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output.append(e) # '-' was not a delimiter between two ints, pass e through unchanged
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else:
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try:
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x = int(e) # single int
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except Exception:
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x = e # string
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output.append(x)
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return output
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def get_single_key_and_value(d: dict):
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k = list(d.keys())[0]
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v = d[k]
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return (k, v)
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def int2tuple(inp):
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if isinstance(inp, tuple):
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output = inp
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else:
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output = (inp,)
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return output
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def flatten2d(inp):
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return [[str(item) if not isinstance(item, List) else ', '.join(item) for item in row] for row in inp]
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def tuplelist2tsv(inp, header=None):
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output = ''
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if header is not None:
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inp.insert(0, header)
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inp = flatten2d(inp)
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for row in inp:
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output = output + '\t'.join(str(remove_links(item)) for item in row) + '\n'
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return output
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def remove_links(inp):
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return re.sub(r'<[aA] [^>]*>([^<]*)</[aA]>', r'\1', inp) if isinstance(inp, str) else inp
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def clean_whitespace(inp):
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return ' '.join(inp.split()).replace(' ,', ',') if isinstance(inp, str) else inp
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def open_file_read(filename):
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# TODO: Intelligently determine encoding
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return open(filename, 'r', encoding='UTF-8')
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def open_file_write(filename):
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return open(filename, 'w', encoding='UTF-8')
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def open_file_append(filename):
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return open(filename, 'a', encoding='UTF-8')
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def is_arrow(inp):
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"""
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Matches strings of one or multiple `-` or `=` (but not mixed)
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optionally starting with `<` and/or ending with `>`.
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Examples:
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<-, --, ->, <->
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<==, ==, ==>, <=>
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"""
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# regex by @shiraneyo
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return bool(re.match(r"^\s*(?P<leftHead><?)(?P<body>-+|=+)(?P<rightHead>>?)\s*$", inp))
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def aspect_ratio(image_src):
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try:
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from PIL import Image
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image = Image.open(image_src)
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if image.width > 0 and image.height > 0:
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return image.width / image.height
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print(f'aspect_ratio(): Invalid image size {image.width} x {image.height}')
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# ModuleNotFoundError and FileNotFoundError are the most expected, but all are handled equally.
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except Exception as error:
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print(f'aspect_ratio(): {type(error).__name__}: {error}')
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return 1 # Assume 1:1 when unable to read actual image size
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def smart_file_resolve(filename: str, possible_paths: (str, List[str])) -> Path:
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if not isinstance(possible_paths, List):
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possible_paths = [possible_paths]
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filename = Path(filename)
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if filename.is_absolute():
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if filename.exists():
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return filename
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else:
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raise Exception(f'{filename} does not exist.')
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else: # search all possible paths in decreasing order of precedence
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possible_paths = [Path(path).resolve() for path in possible_paths if path is not None]
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for possible_path in possible_paths:
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resolved_path = (possible_path / filename).resolve()
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if resolved_path.exists():
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return resolved_path
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else:
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raise Exception(f'{filename} was not found in any of the following locations: \n' +
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'\n'.join([str(x) for x in possible_paths]))
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