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50 lines
1.3 KiB
Python
50 lines
1.3 KiB
Python
from __future__ import unicode_literals
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from builtins import str
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from past.builtins import basestring
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import hashlib
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def _recursive_repr(item):
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"""Hack around python `repr` to deterministically represent dictionaries.
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This is able to represent more things than json.dumps, since it does not require things to be JSON serializable
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(e.g. datetimes).
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"""
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if isinstance(item, basestring):
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result = str(item)
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elif isinstance(item, list):
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result = '[{}]'.format(', '.join([_recursive_repr(x) for x in item]))
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elif isinstance(item, dict):
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kv_pairs = ['{}: {}'.format(_recursive_repr(k), _recursive_repr(item[k])) for k in sorted(item)]
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result = '{' + ', '.join(kv_pairs) + '}'
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else:
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result = repr(item)
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return result
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def get_hash(item):
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repr_ = _recursive_repr(item).encode('utf-8')
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return hashlib.md5(repr_).hexdigest()
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def get_hash_int(item):
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return int(get_hash(item), base=16)
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def escape_chars(text, chars):
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"""Helper function to escape uncomfortable characters."""
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text = str(text)
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chars = list(set(chars))
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if '\\' in chars:
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chars.remove('\\')
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chars.insert(0, '\\')
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for ch in chars:
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text = text.replace(ch, '\\' + ch)
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return text
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def sort_ordereddict(d):
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for key in sorted(d.keys()):
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d.move_to_end(key)
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