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from __future__ import print_function import numbers import crcmod.predefined table_data = [ [ "Name", 'name', 32, ], [ "Polynomial", 'poly', 22, ], [ "Reversed?", 'reverse', 10, ], [ "Init-value", 'init', 20, ], [ "XOR-out", 'xor_out', 20, ], [ "Check", 'check', 20, ], ] ccitt_defns = [ 'kermit', 'crc-ccitt-false', 'crc-aug-ccitt', ] column_dashes = ' '.join(('=' * table_data_item[2] for table_data_item in table_data)) print(column_dashes) print(' '.join(("%-*s" % (table_data_item[2], table_data_item[0]) for table_data_item in table_data)).strip()) print(column_dashes) for defn in crcmod.predefined._crc_definitions: poly_width = crcmod.crcmod._verifyPoly(defn['poly']) hex_width = (poly_width + 3) // 4 defn_data_list = [] for (header_text, key, width) in table_data: if isinstance(defn[key], bool): item = "%s" % (defn[key],) elif isinstance(defn[key], numbers.Integral): item = "0x%0*X" % (hex_width, defn[key]) else: item = "``%s``" % (defn[key]) if defn['name'] in ccitt_defns: item = ' '.join([item, '[#ccitt]_']) item = "%-*s" % (width, item) defn_data_list.append(item) print(' '.join(defn_data_list).strip()) print(column_dashes)
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