Difficult-Rocket/bin/tools.py

"""
writen by shenjackyuanjie
mail: 3695888@qq.com
"""

import json5
import decimal
import logging
from xml.dom.minidom import parse

try:
    import configs
except ModuleNotFoundError:
    from bin import configs

# logger
tools_logger = logging.getLogger('tools')

"""
some tools
"""


def c_b(thing):  # stand for my bool
    yes = ['True', 'TRUE', '1', 1]
    no = ['False', 'FALSE', '0', 0]
    if thing in yes:
        return True
    elif thing in no:
        return False
    else:
        raise ValueError("Need a 'like bool' not anything else")


"""
Physics calculation
"""


def is_decimal(A: any) -> bool:
    if type(A) is not type(decimal.Decimal):
        return False
    else:
        return True


def F_D(A: decimal, B: decimal) -> decimal:
    if is_decimal(A) and is_decimal(B):
        return A / B


def F_Mu(A: decimal, B: decimal) -> decimal:
    if is_decimal(A) and is_decimal(B):
        return A * B


def F_Mi(A: decimal, B: decimal) -> decimal:
    if is_decimal(A) and is_decimal(B):
        return A - B


def F_A(A: decimal, B: decimal) -> decimal:
    if is_decimal(A) and is_decimal(B):
        return A + B


def D_C(listA: list, listB: list) -> '1':  # stand for Duplicate check
    """
    usage:\n
    input two list\n
    the fun will do duplicate check and sort then\n
    the fun won't return any thing just change the list now
    """
    for unit in listB:
        if unit in listA:
            listA.remove(unit)
            listB.remove(unit)
        else:
            continue
    listA.sort()
    listB.sort()
    return 1


def S_C_float_check(SC):  # stand for Scientific notation's float check
    """
    formats:
    SC list format:docs.basic_config.json:basic_number"""
    while SC[0] >= 10:
        SC[0] = F_D(SC[0], 10)
        SC[1] += 1
    while SC[0] < 1:
        SC[0] = F_Mu(SC[0], 10)
        SC[1] -= 1


def S_N_M(*SN):  # stand for Scientific notation multiple
    """
    formats:
    A & B & C list format:docs.basic_config.json:basic_number"""
    if len(SN) < 2:
        raise TypeError("it need more than 2!")
    elif len(SN) == 2:
        return __S_N_M(SN[0], SN[1])
    else:
        R = __S_N_M(SN[0], SN[1])
        for A in SN[2:]:
            R = __S_N_M(R, A)
    return R


def __S_N_M(A, B):
    """
    formats:
    A & B list format:docs.basic_config.json:basic_number"""
    R = [F_Mu(A[0], B[0]), A[1] + B[1]]
    S_C_float_check(R)
    Unit1, Unit2 = A[2] + B[2], A[3] + B[3]
    if Unit1 is None:
        Unit1 = []
    D_C(Unit1, Unit2)
    R += [Unit1, Unit2]
    return R


def S_N_D(A, B):  # stand for Scientific notation divided
    """
    formats:
    A & B list format:docs.basic_config:basic_number"""
    R = [F_D(A[0], B[0]), A[1] - B[1]]
    S_C_float_check(R)
    Unit1, Unit2 = A[2] + B[3], A[3] + B[2]
    if Unit1 is None:
        Unit1 = []
    D_C(Unit1, Unit2)
    R += [Unit1, Unit2]
    return R


def G_C(M, m, R, G):  # stand for gravity calculation
    """
    formats:
    M : ship's mass
    m : planet's mass
    R : distance to the planet
    G : Gravitational constant
    M & m & R format: docs.basic_config:basic_number
    """
    g = configs.basic_force()
    A = S_N_M(M, m, G)
    g = S_N_D(A, S_N_M(R, R))
    return g


def distance(A, B):
    """
    formats:
    A & B format: docs.basic_config:basic_poi
    """
    poi_dis = configs.basic_poi()
    for x in A, B:
        x = decimal.Decimal(str(x))
    xd = A[0] - B[0]
    yd = A[1] - B[1]
    poi_dis[0] = xd
    poi_dis[1] = yd
    # 勾股定理
    poi_dis[0] **= 2
    poi_dis[1] **= 2
    poi_dis.append(poi_dis[0] + poi_dis[1])
    poi_dis[2] **= 0.5
    return poi_dis[2]


# loads


def config(file_name, stack=None):
    type = file_name[file_name.rfind('.') + 1:] # 从最后一次.到末尾(截取文件格式)
    if (type == 'json5') or (type == 'json'):
        try:
            with open(file_name, "r") as jf:  # jf -> json file
                rd = json5.load(jf)
        except FileNotFoundError as exp:
            log = "no config json(5) file \n file name : %s \n stack : %s" % (file_name, stack)
            tools_logger.exception(log)
            raise FileNotFoundError(log)
        if stack is not None:
            rd = rd[stack]
        return rd
    elif type == 'xml':
        try:
            xml_load = parse(file_name)
        except FileNotFoundError as exp:
            log = "no config json(5) file \n file name : %s \n stack : %s" % (file_name, stack)
            tools_logger.exception(log)
            raise FileNotFoundError(log)
        if stack is not None:
            xml_get = xml_load.getElementsByTagName(stack)
            return xml_get
        else:
            return xml_load