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- import json
- from collections import OrderedDict
- def load_list(filename, encoding='utf-8', start=0, stop=None, step=1):
- assert isinstance(start, int) and start >= 0
- assert (stop is None) or (isinstance(stop, int) and stop > start)
- assert isinstance(step, int) and step >= 1
-
- lines = []
- with open(filename, 'r', encoding=encoding) as f:
- for _ in range(start):
- f.readline()
- for k, line in enumerate(f):
- if (stop is not None) and (k + start > stop):
- break
- if k % step == 0:
- lines.append(line.rstrip())
- return lines
- def save_list(filename, list_obj, encoding='utf-8', append_break=True):
- with open(filename, 'w', encoding=encoding) as f:
- if append_break:
- for item in list_obj:
- f.write(str(item) + '\n')
- else:
- for item in list_obj:
- f.write(str(item))
- def load_dict(filename, encoding='utf-8'):
- with open(filename, 'r', encoding=encoding) as f:
- dict_obj = json.load(f, object_pairs_hook=OrderedDict)
- return dict_obj
- def save_dict(filename, dict_obj, encoding='utf-8', sort=False):
- with open(filename, 'w', encoding=encoding) as f:
- json.dump(dict_obj, f, indent=4, separators=(',',': '),
- ensure_ascii=False, sort_keys=sort)
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