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How to use fetch_state method in localstack

Best Python code snippet using localstack_python

instructions.py

Source:instructions.py

1from bitarray import bitarray2from ._instruction import Instruction3from .microcode import Microcode, NO_OP4from sap1.types import Bit, Pointer, nibble, HIGH, LOW5from .validators import validate_ptr6FETCH_STATE = [7    Microcode(MI=HIGH, OC=HIGH),8    Microcode(CE=HIGH),9    Microcode(RO=HIGH, II=HIGH),10]11@validate_ptr12def lda(ptr: Pointer) -> Instruction:13    """14    load the accumulator (A register) with value at *ptr15    Args:16        ptr(bitarray): pointer to memory location to load into memory17        ptr(int): integer representation of pointer18    Returns:19        (Instruction) object20    """21    opcode = bitarray('0000')22    states = [23        *FETCH_STATE,  # unpack the fetch state24        Microcode(MI=HIGH, IO=HIGH),  # load operand into MAR from IR25        Microcode(RO=HIGH, AI=HIGH),  # load *operand from RAM into Register A26        NO_OP  # t=6, no operation27    ]28    return Instruction(mnemonic="LDA", opcode=opcode, states=states, operand=ptr)29# noinspection PyUnusedLocal30def hlt(**kwargs) -> Instruction:31    """32    Halt instruction33    Returns:34        (Instruction) halt object35    """36    opcode = bitarray('1111')37    states = [38        *FETCH_STATE,  # unpack the fetch state39        Microcode(HLT=HIGH),  # t=3, set halt high40        NO_OP,  # t=5, no operation41        NO_OP  # t=6, no operation42    ]43    return Instruction(mnemonic="HLT", opcode=opcode, states=states)44@validate_ptr45def add(ptr: Pointer, subtract: Bit = LOW) -> Instruction:46    """47    add the value *ptr and store the result in register A48    Args:49        subtract (Bit): subtract flag (used by the :meth:`sub` method)50        ptr(bitarray): pointer to memory location to load into memory51        ptr(int): integer representation of pointer52    Returns:53        (Instruction) object54    """55    opcode = bitarray('0001')56    states = [57        *FETCH_STATE,  # unpack the fetch state58        # load operand into MAR59        Microcode(MI=HIGH, IO=HIGH),60        # load *operand from RAM into Register B. set subtract flag61        Microcode(RO=HIGH, BI=HIGH, SUB=subtract),62        # push ALU result into register A63        Microcode(AI=HIGH, EO=HIGH, SUB=subtract)64    ]65    return Instruction(mnemonic="ADD", opcode=opcode, states=states, operand=ptr)66@validate_ptr67def sub(ptr: Pointer) -> Instruction:68    """69    Subtract operation.70    a-=(*ptr)71    Args:72        ptr ():73    Returns:74        (Instruction) subtract instruction75    """76    instruction = add(ptr=ptr, subtract=HIGH)77    instruction.mnemonic = "SUB"78    instruction.opcode = nibble(0b0010)79    return instruction80@validate_ptr81def jmp(ptr: Pointer) -> Instruction:82    """83    Jump to ptr84    Args:85        ptr ():86    Returns:87    """88    opcode = bitarray('0101')89    states = [90        *FETCH_STATE,  # unpack the fetch state91        # Push operand from IR to PC via JMP flag92        Microcode(IO=HIGH, JMP=HIGH),93        # no op94        NO_OP,95        # no op96        NO_OP97    ]98    return Instruction(mnemonic="JMP", opcode=opcode, states=states, operand=ptr)99def out(ptr: Pointer) -> Instruction:100    """101    OUT instruction. pushes the A register to the output register102    Args:103        ptr(Pointer): unused.104    Returns:105        Instruction: instance of OUT instruction106    """107    opcode = bitarray('1110')108    states = [109        *FETCH_STATE,  # unpack the fetch state110        # push A register to bus, enable output register update111        Microcode(AO=HIGH, OI=HIGH),112        # no op113        NO_OP,114        # no op115        NO_OP116    ]...

codebook.py

Source:codebook.py

1ONE_GUN = 02TWO_GUN = 13class CodeBook(object):4    # code book for generating move command5    def __init__(self, mode=TWO_GUN):6        self.moves = ['fetch_0', 'fetch_1', 'shoot_0', 'shoot_1']7        self.fetch_states = ['START', 'left', 'right', 'both', 'END']8        self.shoot_states = ['START', 'left', 'right', 'both', 'END']9        self.fetch_inputs = ['fetch_0', 'fetch_1']10        self.shoot_inputs = ['shoot_0', 'shoot_1']11        12        self.fetch_trans = {"fetch_0": {"START": "left", "left": "right", "right": "left"},13                            "fetch_1": {"left": "both", "right": "both", "both": "both"}}14        self.shoot_trans = {"shoot_0": {"START": "left", "left": "right", "right": "left"},15                            "shoot_1": {"left": "both", "right": "both", "both": "both"}}16        self.fetch_state = "START"17        self.shoot_state = "START"18        if mode == TWO_GUN:19            self.fetch_dict = {"left": {"button_0": 1.0, "button_1": 0.0},20                            "right": {"button_0": 0.0, "button_1": 1.0},21                            "both": {"button_0": 1.0, "button_1": 1.0}}22            self.shoot_dict = {"left": {"button_0": 1.0, "button_1": 0.0},23                            "right": {"button_0": 0.0, "button_1": 1.0},24                            "both": {"button_0": 1.0, "button_1": 1.0}}25        else:26            self.fetch_dict = {"left": {"button_0": 1.0, "button_1": 0.0},27                            "right": {"button_0": 0.0, "button_1": 1.0},28                            "both": {"button_0": 1.0, "button_1": 1.0}}29            self.shoot_dict = {"left": {"button_0": 1.0, "button_1": 0.0},30                            "right": {"button_0": 0.0, "button_1": 1.0},31                            "both": {"button_0": 1.0, "button_1": 1.0}}32    33    def lookup(self, input):34        if input in self.fetch_inputs:35            self.fetch_state = self.fetch_trans[input][self.fetch_state]36            if self.fetch_state == "START":37                button_1 = button_0 = 0.038            else:39                button_0 = self.fetch_dict[self.fetch_state]["button_0"]40                button_1 = self.fetch_dict[self.fetch_state]["button_1"]41            return button_0, button_142        if input in self.shoot_inputs:43            #self.shoot_state = self.shoot_trans[input][self.shoot_state]44            self.shoot_state = self.fetch_state45            if self.shoot_state == "START":46                button_1 = button_0 = 0.047            else:48                button_0 = self.shoot_dict[self.shoot_state]["button_0"]49                button_1 = self.shoot_dict[self.shoot_state]["button_1"]50            return button_0, button_151            52TEST = False53if TEST:54    c = CodeBook()55    print c.lookup('fetch_0'), c.fetch_state56    print c.lookup('fetch_0'), c.fetch_state57    print c.lookup('shoot_0'), c.shoot_state58    print c.lookup('fetch_0'), c.fetch_state59    print c.lookup('shoot_0'), c.shoot_state60    print c.lookup('fetch_0'), c.fetch_state61    print c.lookup('fetch_0'), c.fetch_state62    print c.lookup('shoot_0'), c.shoot_state63    print c.lookup('fetch_0'), c.fetch_state64    print c.lookup('shoot_0'), c.shoot_state65    print c.lookup('fetch_1'), c.fetch_state66    print c.lookup('shoot_1'), c.shoot_state67    print c.lookup('fetch_1'), c.fetch_state68    print c.lookup('shoot_1'), c.shoot_state69    print c.lookup('fetch_1'), c.fetch_state...

inst_fetch.py

Source:inst_fetch.py

1# _*_ coding: utf-8 _*_2"""3inst_fetch.py by xianhu4"""5import time6class Fetcher(object):7    """8    class of Fetcher, must include function working()9    """10    def __init__(self, sleep_time=0, max_repeat=3):11        """12        constructor13        :param sleep_time: default 0, sleeping time before fetching14        :param max_repeat: default 3, maximum repeat count of fetching15        """16        self._sleep_time = sleep_time17        self._max_repeat = max_repeat18        return19    def working(self, priority: int, url: str, keys: dict, deep: int, repeat: int, proxies=None) -> (int, object, int):20        """21        working function, must "try-except" and don't change the parameters and returns22        :return fetch_state: can be -1(fetch failed), 0(need repeat), 1(fetch success)23        :return content: which waits to be parsed, can be any object, or exception[class_name, excep]24        :return proxies_state: can be -1(unavaiable), 0(return to queue), 1(avaiable)25        """26        time.sleep(self._sleep_time)27        try:28            fetch_state, content, proxies_state = self.url_fetch(priority, url, keys, deep, repeat, proxies=proxies)29        except Exception as excep:30            fetch_state, content, proxies_state = (-1 if repeat >= self._max_repeat else 0), [self.__class__.__name__, excep], -131        return fetch_state, content, proxies_state32    def url_fetch(self, priority: int, url: str, keys: dict, deep: int, repeat: int, proxies=None) -> (int, object, int):33        """34        fetch the content of a url. You must overwrite this function, parameters and returns refer to self.working()35        """...

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