python类StatisticsError()的实例源码

def update_state(self, blocks):
        block_version = None
        char_offset = None
        group_type = None
        curr_AB = {0: None, 2: None, None:None}
        last_AB = {0: None, 2: None, None:None}
        for block in blocks:
            blkid = block['ID']
            if blkid == "A":
                self.PIs.append(block['PI'])
                char_offset = None
            if blkid == "B":
                group_type = block['group_type']
                block_version = block['version_AB']
            if blkid == "B" and group_type == 0:
                curr_AB[group_type] = block['text_AB']
                char_offset = block['text_segment'] * 2
            if blkid == "B" and group_type == 2:
                char_offset = block['text_segment'] * 4
                if (curr_AB[group_type] != None)  and (block['text_AB'] != curr_AB[group_type]) and (char_offset == 0) and (block_version == 'A'):
                    print("CLEARING")
                    self.cur_state[curr_AB[group_type]^1] = ['_']*64
                curr_AB[group_type] = block['text_AB']
            if (char_offset is not None) and (blkid == "C") and (group_type == 0) and (block_version == 'B'):
                self.PIs.append((ord(block['B1'])<<8)+ord(block['B0']))
            if char_offset is not None and (blkid == "C") and (group_type == 2):
                self.cur_state[curr_AB[group_type]][char_offset] = block['B0']
                self.cur_state[curr_AB[group_type]][char_offset+1] = block['B1']
            if char_offset is not None and (blkid == "D") and (group_type == 2):
                self.cur_state[curr_AB[group_type]][char_offset+2] = block['B0']
                self.cur_state[curr_AB[group_type]][char_offset+3] = block['B1']
            if (char_offset is not None) and (blkid == "D")  and (group_type == 0) and (block_version == 'B'):
                self.cur_state[curr_AB[group_type]][char_offset] = block['B0']
                self.cur_state[curr_AB[group_type]][char_offset+1] = block['B1']
            if (char_offset is not None) and (blkid == "D")  and (group_type == 0) and (block_version == 'A'):
                self.cur_state[curr_AB[group_type]][char_offset+10] = block['B0']
                self.cur_state[curr_AB[group_type]][char_offset+11] = block['B1']
            if group_type in (0,2):
                #print(blkid, group_type, curr_AB[group_type], block_version)
                print(' '.join([str(x) for x in block.values()]))
            #print('\n'.join([''.join(x) for x in self.prog_name]))
            if blkid == "D":
                print('\n'.join([''.join(x) for x in self.cur_state]).replace('\r','?'))
                group_type == None
                char_offset = None
                try:
                    self.PI = hex(statistics.mode(self.PIs))[2:]
                except statistics.StatisticsError:
                    self.PI = hex(self.PIs[0])[2:]
                self.callsign = picode.rdscall(self.PI)
                print(self.callsign)