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65 lines
1.3 KiB
Python
65 lines
1.3 KiB
Python
import functools
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import sys
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PYTHON_MAJOR = sys.version_info[0]
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IS_PY2 = PYTHON_MAJOR == 2
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IS_PY3 = PYTHON_MAJOR == 3
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# pylint: disable=no-else-return
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def safe_input(line):
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if IS_PY2:
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return raw_input(line)
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else:
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return input(line)
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if IS_PY2:
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text_type = unicode
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string_types = (str, unicode)
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integer_types = (int, long)
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binary_type = str
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else:
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text_type = str
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string_types = (str,)
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integer_types = (int,)
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binary_type = bytes
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def byte_to_bytes(val): # type: (int) -> bytes
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if IS_PY2:
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return chr(val)
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else:
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return bytes([val])
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def char_to_byte(val): # type: (str) -> int
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if IS_PY2:
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if isinstance(val, string_types):
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return ord(val)
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elif isinstance(val, int):
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return val
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else:
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raise ValueError
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else:
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if isinstance(val, str):
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return ord(val)
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elif isinstance(val, int):
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return val
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else:
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raise ValueError
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def format_bytes(val):
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if IS_PY2:
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return ' '.join('{:02X}'.format(ord(x)) for x in val)
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else:
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return ' '.join('{:02X}'.format(x) for x in val)
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def sort_by_cmp(list_, cmp):
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if IS_PY2:
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list_.sort(cmp=cmp)
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else:
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list_.sort(key=functools.cmp_to_key(cmp))
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