Python实现的科学计算器功能示例

import wximport reimport math# begin wxGlade: extracode# end wxGladeans=0ts=""class MyFrame(wx.Frame):  def __init__(self, *args, **kwds):    # begin wxGlade: MyFrame.__init__    kwds["style"] = wx.DEFAULT_FRAME_STYLE    wx.Frame.__init__(self, *args, **kwds)    self.text_ctrl_1 = wx.TextCtrl(self, -1, "" ,style=wx.TE_READONLY)    self.text_ctrl_2 = wx.TextCtrl(self, -1, "", style=wx.TE_READONLY)    self.button_37 = wx.Button(self, -1, "7")    self.button_38 = wx.Button(self, -1, "8")    self.button_39 = wx.Button(self, -1, "9")    self.button_40 = wx.Button(self, -1, "+")    self.button_41 = wx.Button(self, -1, "-")    self.button_42 = wx.Button(self, -1, "4")    self.button_43 = wx.Button(self, -1, "5")    self.button_44 = wx.Button(self, -1, "6")    self.button_45 = wx.Button(self, -1, "x")    self.button_46 = wx.Button(self, -1, "/")    self.button_47 = wx.Button(self, -1, "1")    self.button_48 = wx.Button(self, -1, "2")    self.button_49 = wx.Button(self, -1, "3")    self.button_50 = wx.Button(self, -1, "(")    self.button_51 = wx.Button(self, -1, ")")    self.button_52 = wx.Button(self, -1, "0")    self.button_53 = wx.Button(self, -1, ".")    self.button_54 = wx.Button(self, -1, "ans")    self.button_55 = wx.Button(self, -1, "clear")    self.button_56 = wx.Button(self, -1, "=")    self.button_57 = wx.Button(self, -1, "pi")    self.button_58 = wx.Button(self, -1, "e")    self.button_59 = wx.Button(self, -1, "1/x")    self.button_60 = wx.Button(self, -1, "x^2")    self.button_61 = wx.Button(self, -1, "x^y")    self.button_62 = wx.Button(self, -1, "sqrt")    self.button_63 = wx.Button(self, -1, "sin")    self.button_64 = wx.Button(self, -1, "cos")    self.button_65 = wx.Button(self, -1, "tan")    self.button_66 = wx.Button(self, -1, "log")    self.button_67 = wx.Button(self, -1, "ln")    self.button_68 = wx.Button(self, -1, "n!")    self.button_69 = wx.Button(self, -1, "mod")    self.button_70 = wx.Button(self, -1, "int")    self.button_71 = wx.Button(self, -1, "yu")    self.button_72 = wx.Button(self, -1, "|")    self.button_73 = wx.Button(self, -1, "~")    self.button_74 = wx.Button(self, -1, "xor")    self.__set_properties()    self.__do_layout()    self.Bind(wx.EVT_BUTTON, self.bu37, self.button_37)    self.Bind(wx.EVT_BUTTON, self.bu38, self.button_38)    self.Bind(wx.EVT_BUTTON, self.bu39, self.button_39)    self.Bind(wx.EVT_BUTTON, self.bu40, self.button_40)    self.Bind(wx.EVT_BUTTON, self.bu41, self.button_41)    self.Bind(wx.EVT_BUTTON, self.bu42, self.button_42)    self.Bind(wx.EVT_BUTTON, self.bu43, self.button_43)    self.Bind(wx.EVT_BUTTON, self.bu44, self.button_44)    self.Bind(wx.EVT_BUTTON, self.bu45, self.button_45)    self.Bind(wx.EVT_BUTTON, self.bu46, self.button_46)    self.Bind(wx.EVT_BUTTON, self.bu47, self.button_47)    self.Bind(wx.EVT_BUTTON, self.bu48, self.button_48)    self.Bind(wx.EVT_BUTTON, self.bu49, self.button_49)    self.Bind(wx.EVT_BUTTON, self.bu50, self.button_50)    self.Bind(wx.EVT_BUTTON, self.bu51, self.button_51)    self.Bind(wx.EVT_BUTTON, self.bu52, self.button_52)    self.Bind(wx.EVT_BUTTON, self.bu53, self.button_53)    self.Bind(wx.EVT_BUTTON, self.bu54, self.button_54)    self.Bind(wx.EVT_BUTTON, self.bu55, self.button_55)    self.Bind(wx.EVT_BUTTON, self.bu56, self.button_56)    self.Bind(wx.EVT_BUTTON, self.bu57, self.button_57)    self.Bind(wx.EVT_BUTTON, self.bu58, self.button_58)    self.Bind(wx.EVT_BUTTON, self.bu59, self.button_59)    self.Bind(wx.EVT_BUTTON, self.bu60, self.button_60)    self.Bind(wx.EVT_BUTTON, self.bu61, self.button_61)    self.Bind(wx.EVT_BUTTON, self.bu62, self.button_62)    self.Bind(wx.EVT_BUTTON, self.bu63, self.button_63)    self.Bind(wx.EVT_BUTTON, self.bu64, self.button_64)    self.Bind(wx.EVT_BUTTON, self.bu65, self.button_65)    self.Bind(wx.EVT_BUTTON, self.bu66, self.button_66)    self.Bind(wx.EVT_BUTTON, self.bu67, self.button_67)    self.Bind(wx.EVT_BUTTON, self.bu68, self.button_68)    self.Bind(wx.EVT_BUTTON, self.bu69, self.button_69)    self.Bind(wx.EVT_BUTTON, self.bu70, self.button_70)    self.Bind(wx.EVT_BUTTON, self.bu71, self.button_71)    self.Bind(wx.EVT_BUTTON, self.bu72, self.button_72)    self.Bind(wx.EVT_BUTTON, self.bu73, self.button_73)    self.Bind(wx.EVT_BUTTON, self.bu74, self.button_74)    # end wxGlade    self.Show(True)  def __set_properties(self):    # begin wxGlade: MyFrame.__set_properties    self.SetTitle("Python Calculater by CYG")    self.text_ctrl_1.SetMinSize((500, 30))    self.text_ctrl_2.SetMinSize((500, 50))    self.button_37.SetMinSize((100, 60))    self.button_38.SetMinSize((100, 60))    self.button_39.SetMinSize((100, 60))    self.button_40.SetMinSize((100, 60))    self.button_41.SetMinSize((100, 60))    self.button_42.SetMinSize((100, 60))    self.button_43.SetMinSize((100, 60))    self.button_44.SetMinSize((100, 60))    self.button_46.SetMinSize((100, 60))    self.button_45.SetMinSize((100, 60))    self.button_47.SetMinSize((100, 60))    self.button_48.SetMinSize((100, 60))    self.button_49.SetMinSize((100, 60))    self.button_50.SetMinSize((100, 60))    self.button_51.SetMinSize((100, 60))    self.button_52.SetMinSize((100, 60))    self.button_53.SetMinSize((100, 60))    self.button_54.SetMinSize((100, 60))    self.button_55.SetMinSize((100, 60))    self.button_56.SetMinSize((100, 60))    self.button_57.SetMinSize((83, 50))    self.button_58.SetMinSize((83, 50))    self.button_59.SetMinSize((83, 50))    self.button_60.SetMinSize((83, 50))    self.button_61.SetMinSize((83, 50))    self.button_62.SetMinSize((83, 50))    self.button_63.SetMinSize((83, 50))    self.button_64.SetMinSize((83, 50))    self.button_65.SetMinSize((83, 50))    self.button_66.SetMinSize((83, 50))    self.button_67.SetMinSize((83, 50))    self.button_68.SetMinSize((83, 50))    self.button_69.SetMinSize((83, 50))    self.button_70.SetMinSize((83, 50))    self.button_71.SetMinSize((83, 50))    self.button_72.SetMinSize((83, 50))    self.button_73.SetMinSize((83, 50))    self.button_74.SetMinSize((83, 50))    # end wxGlade  def __do_layout(self):    # begin wxGlade: MyFrame.__do_layout    sizer_2 = wx.BoxSizer(wx.VERTICAL)    sizer_3 = wx.BoxSizer(wx.VERTICAL)    grid_sizer_1 = wx.GridSizer(4, 5, 0, 0)    grid_sizer_2 = wx.GridSizer(3, 6, 0, 0)    sizer_3.Add(self.text_ctrl_2, 0, 0, 0)    sizer_3.Add(self.text_ctrl_1, 0, 0, 0)    grid_sizer_1.Add(self.button_37, 0, 0, 0)    grid_sizer_1.Add(self.button_38, 0, 0, 0)    grid_sizer_1.Add(self.button_39, 0, 0, 0)    grid_sizer_1.Add(self.button_40, 0, 0, 0)    grid_sizer_1.Add(self.button_41, 0, 0, 0)    grid_sizer_1.Add(self.button_42, 0, 0, 0)    grid_sizer_1.Add(self.button_43, 0, 0, 0)    grid_sizer_1.Add(self.button_44, 0, 0, 0)    grid_sizer_1.Add(self.button_45, 0, 0, 0)    grid_sizer_1.Add(self.button_46, 0, 0, 0)    grid_sizer_1.Add(self.button_47, 0, 0, 0)    grid_sizer_1.Add(self.button_48, 0, 0, 0)    grid_sizer_1.Add(self.button_49, 0, 0, 0)    grid_sizer_1.Add(self.button_50, 0, 0, 0)    grid_sizer_1.Add(self.button_51, 0, 0, 0)    grid_sizer_1.Add(self.button_52, 0, 0, 0)    grid_sizer_1.Add(self.button_53, 0, 0, 0)    grid_sizer_1.Add(self.button_54, 0, 0, 0)    grid_sizer_1.Add(self.button_55, 0, 0, 0)    grid_sizer_1.Add(self.button_56, 0, 0, 0)    grid_sizer_2.Add(self.button_57, 0, 0, 0)    grid_sizer_2.Add(self.button_58, 0, 0, 0)    grid_sizer_2.Add(self.button_59, 0, 0, 0)    grid_sizer_2.Add(self.button_60, 0, 0, 0)    grid_sizer_2.Add(self.button_61, 0, 0, 0)    grid_sizer_2.Add(self.button_62, 0, 0, 0)    grid_sizer_2.Add(self.button_63, 0, 0, 0)    grid_sizer_2.Add(self.button_64, 0, 0, 0)    grid_sizer_2.Add(self.button_65, 0, 0, 0)    grid_sizer_2.Add(self.button_66, 0, 0, 0)    grid_sizer_2.Add(self.button_67, 0, 0, 0)    grid_sizer_2.Add(self.button_68, 0, 0, 0)    grid_sizer_2.Add(self.button_69, 0, 0, 0)    grid_sizer_2.Add(self.button_70, 0, 0, 0)    grid_sizer_2.Add(self.button_71, 0, 0, 0)    grid_sizer_2.Add(self.button_72, 0, 0, 0)    grid_sizer_2.Add(self.button_73, 0, 0, 0)    grid_sizer_2.Add(self.button_74, 0, 0, 0)    sizer_3.Add(grid_sizer_1, 1, wx.EXPAND, 0)    sizer_3.Add(grid_sizer_2, 1, wx.EXPAND, 0)    sizer_2.Add(sizer_3, 1, wx.EXPAND, 0)    self.SetSizer(sizer_2)    sizer_2.Fit(self)    self.Layout()    # end wxGlade  def bu37(self, event): # wxGlade: MyFrame.<event_handler>    global ts    ts+="7"    self.text_ctrl_1.AppendText("7")    event.Skip()  def bu38(self, event): # wxGlade: MyFrame.<event_handler>    global ts    ts+="8"    self.text_ctrl_1.AppendText("8")    event.Skip()  def bu39(self, event): # wxGlade: MyFrame.<event_handler>    global ts    ts += "9"    self.text_ctrl_1.AppendText("9")    event.Skip()  def bu40(self, event): # wxGlade: MyFrame.<event_handler>    global ts    ts += "+"    self.text_ctrl_1.AppendText("+")    event.Skip()  def bu41(self, event): # wxGlade: MyFrame.<event_handler>    global ts    ts += "-"    self.text_ctrl_1.AppendText("-")    event.Skip()  def bu42(self, event): # wxGlade: MyFrame.<event_handler>    global ts    ts += "4"    self.text_ctrl_1.AppendText("4")    event.Skip()  def bu43(self, event): # wxGlade: MyFrame.<event_handler>    global ts    ts += "5"    self.text_ctrl_1.AppendText("5")    event.Skip()  def bu44(self, event): # wxGlade: MyFrame.<event_handler>    global ts    ts += "6"    self.text_ctrl_1.AppendText("6")    event.Skip()  def bu45(self, event): # wxGlade: MyFrame.<event_handler>    global ts    ts += "*"    self.text_ctrl_1.AppendText("*")    event.Skip()  def bu46(self, event): # wxGlade: MyFrame.<event_handler>    global ts    ts += "/"    self.text_ctrl_1.AppendText("/")    event.Skip()  def bu47(self, event): # wxGlade: MyFrame.<event_handler>    global ts    ts += "1"    self.text_ctrl_1.AppendText("1")    event.Skip()  def bu48(self, event): # wxGlade: MyFrame.<event_handler>    global ts    ts += "2"    self.text_ctrl_1.AppendText("2")    event.Skip()  def bu49(self, event): # wxGlade: MyFrame.<event_handler>    global ts    ts += "3"    self.text_ctrl_1.AppendText("3")    event.Skip()  def bu50(self, event): # wxGlade: MyFrame.<event_handler>    global ts    ts += "("    self.text_ctrl_1.AppendText("(")    event.Skip()  def bu51(self, event): # wxGlade: MyFrame.<event_handler>    global ts    ts += ")"    self.text_ctrl_1.AppendText(")")    event.Skip()  def bu52(self, event): # wxGlade: MyFrame.<event_handler>    global ts    ts += "0"    self.text_ctrl_1.AppendText("0")    event.Skip()  def bu53(self, event): # wxGlade: MyFrame.<event_handler>    global ts    ts += "."    self.text_ctrl_1.AppendText(".")    event.Skip()  def bu54(self, event): # wxGlade: MyFrame.<event_handler>    global ts    ts += "ans"    self.text_ctrl_1.AppendText("ans")    event.Skip()  def bu55(self, event): # wxGlade: MyFrame.<event_handler>    global ts    self.text_ctrl_1.Clear()    self.text_ctrl_2.Clear()    ans=0    ts=""    event.Skip()  def minus_operation(self,expresstion):    minus_operators = re.split("-", expresstion)    calc_list = re.findall("[0-9]", expresstion)    if minus_operators[0] == "":      calc_list[0] = '-%s' % calc_list[0]    res = reduce(lambda x, y: float(x) - float(y), calc_list)    return res  def del_duplicates(self,ts):    ts = ts.replace("++", "+")    ts = ts.replace("--", "-")    ts = ts.replace("+-", "-")    ts = ts.replace("--", "+")    ts = ts.replace('- -', "+")    return ts  def mutiply_dividend(self,expresstion):    calc_list = re.split("[*/]", expresstion)    operators = re.findall("[*/]", expresstion)    res = None    for index, i in enumerate(calc_list):      if res:        if operators[index - 1] == '*':          res *= float(i)        elif operators[index - 1] == '/':          res /= float(i)      else:        res = float(i)    return res  def special_features(self,plus_and_minus_operators, multiply_and_dividend):    for index, i in enumerate(multiply_and_dividend):      i = i.strip()      if i.endswith("*") or i.endswith("/"):        multiply_and_dividend[index] = multiply_and_dividend[index] + plus_and_minus_operators[index] + /                        multiply_and_dividend[index + 1]        del multiply_and_dividend[index + 1]        del plus_and_minus_operators[index]    return plus_and_minus_operators, multiply_and_dividend  def minus_special(self,operator_list, calc_list):    for index, i in enumerate(calc_list):      if i == '':        calc_list[index + 1] = i + calc_list[index + 1].strip()  def figure_up(self,ts):    ts = ts.strip("()")    ts = self.del_duplicates(ts)    plus_and_minus_operators = re.findall("[+-]", ts)    multiply_and_dividend = re.split("[+-]", ts)    if len(multiply_and_dividend[0].strip()) == 0:      multiply_and_dividend[1] = plus_and_minus_operators[0] + multiply_and_dividend[1]      del multiply_and_dividend[0]      del plus_and_minus_operators[0]    plus_and_minus_operators, multiply_and_dividend = self.special_features(plus_and_minus_operators,                                      multiply_and_dividend)    for index, i in enumerate(multiply_and_dividend):      if re.search("[*/]", i):        sub_res = self.mutiply_dividend(i)        multiply_and_dividend[index] = sub_res    #print(multiply_and_dividend, plus_and_minus_operators)    final_res = None    for index, item in enumerate(multiply_and_dividend):      if final_res:        if plus_and_minus_operators[index - 1] == '+':          final_res += float(item)        elif plus_and_minus_operators[index - 1] == '-':          final_res -= float(item)      else:        final_res = float(item)    return final_res  def bu56(self, event): # wxGlade: MyFrame.<event_handler>    global ans    global ts    if re.search("pi", ts):      lists = re.findall("pi", ts)      for i in range(0, len(lists)):        te = str(math.pi)        self.text_ctrl_2.SetValue(te)        ts = re.sub("pi", te, ts, 1)        #self.text_ctrl_1.SetValue(ts)    if re.search("e", ts):      lists = re.findall("e", ts)      for i in range(0, len(lists)):        te = str(math.e)        self.text_ctrl_2.SetValue(te)        ts = re.sub("e", te, ts, 1)        #self.text_ctrl_1.SetValue(ts)    if re.search("sin.*/)",ts):      lists=re.findall("sin(.+?)",ts)      for i in range(0,len(lists)):        te=float(lists[i])        te=str(math.sin(te))        self.text_ctrl_2.SetValue(te)        ts=re.sub("sin.*?/)",te,ts,1)        #self.text_ctrl_1.SetValue(ts)    if re.search("cos.*/)", ts):      lists = re.findall("cos(.+?)", ts)      for i in range(0, len(lists)):        te = float(lists[i])        te = str(math.cos(te))        self.text_ctrl_2.SetValue(te)        ts = re.sub("cos.*?/)", te, ts, 1)        #self.text_ctrl_1.SetValue(ts)    if re.search("tan.*/)", ts):      lists = re.findall("tan(.+?)", ts)      for i in range(0, len(lists)):        te = float(lists[i])        te = str(math.tan(te))        self.text_ctrl_2.SetValue(te)        ts = re.sub("tan.*?/)", te, ts, 1)        #self.text_ctrl_1.SetValue(ts)    if re.search("ln.*/)", ts):      lists = re.findall("ln(.+?)", ts)      for i in range(0, len(lists)):        te = float(lists[i])        te = str(math.log(te))        self.text_ctrl_2.SetValue(te)        ts = re.sub("ln.*?/)", te, ts, 1)        #self.text_ctrl_1.SetValue(ts)    if re.search("log.*/)", ts):      lists = re.findall("log(.+?)", ts)      for i in range(0, len(lists)):        te = float(lists[i])        te = str(math.log(te)/math.log(10))        self.text_ctrl_2.SetValue(te)        ts = re.sub("log.*?/)", te, ts, 1)        #self.text_ctrl_1.SetValue(ts)    if re.search("sqrt.*/)", ts):      lists = re.findall("sqrt(.+?)", ts)      for i in range(0, len(lists)):        te = float(lists[i])        te = str(math.sqrt(te))        self.text_ctrl_2.SetValue(te)        ts = re.sub("sqrt.*?/)", te, ts, 1)        #self.text_ctrl_1.SetValue(ts)    if re.search("int.*/)", ts):      lists = re.findall("int(.+?)", ts)      for i in range(0, len(lists)):        te=float(lists[i])        te=int(te)        te = str(te)        self.text_ctrl_2.SetValue(te)        ts = re.sub("int.*?/)", te, ts, 1)        #self.text_ctrl_1.SetValue(ts)    if re.search("ans", ts):      lists = re.findall("ans", ts)      for i in range(0, len(lists)):        te = str(ans)        self.text_ctrl_2.SetValue(te)        ts = re.sub("ans", te, ts, 1)        #self.text_ctrl_1.SetValue(ts)    if re.search("?−?/d∗/.?/d∗?/^?−?/d∗/.?/d∗?", ts):      lists1 = re.findall("?(−?/d∗/.?/d∗?)?/^", ts)      lists2 = re.findall("/^?(−?/d∗/.?/d∗)?", ts)      for i in range(0, len(lists1)):        te1=float(lists1[i])        te2=float(lists2[i])        #print te1        #print te2        te=math.pow(te1,te2)        te = str(te)        self.text_ctrl_2.SetValue(te)        ts = re.sub("?[0−9]∗/.?[0−9]∗??/^?[0−9]∗/.?[0−9]∗?", te, ts, 1)        #self.text_ctrl_1.SetValue(ts)      #ts = re.sub("?−?/d∗/.?/d∗?/^?−?/d∗/.?/d∗??", te, ts, 1)    if re.search("?−?/d∗?/!", ts):        lists = re.findall("?(−?/d+?)?/!", ts)        for i in range(0, len(lists)):          te = float(lists[i])          te = math.factorial(te)          te = str(te)          self.text_ctrl_2.SetValue(te)          ts = re.sub("?−?/d+??/!", te, ts, 1)          #self.text_ctrl_1.SetValue(ts)    #print ts    flag=True    while flag:      m = re.search("[()]∗", ts)      if m:        sub_res=self.figure_up(m.group())        ts=ts.replace(m.group(),str(sub_res))      else:        ans=self.figure_up(ts)        flag=False    self.text_ctrl_2.SetValue(str(ans))      #ans=    #self.text_ctrl_2.SetValue(str(ans))    # self.text_ctrl_1.Clear()    event.Skip()  def bu57(self, event): # wxGlade: MyFrame.<event_handler>    global ts    ts += "pi"    self.text_ctrl_1.AppendText("pi")    event.Skip()  def bu58(self, event): # wxGlade: MyFrame.<event_handler>    global ts    ts += "e"    self.text_ctrl_1.AppendText("e")    event.Skip()  def bu59(self, event): # wxGlade: MyFrame.<event_handler>    global ts    ts += "^(-1)"    self.text_ctrl_1.AppendText("^(-1)")    event.Skip()  def bu60(self, event): # wxGlade: MyFrame.<event_handler>    global ts    ts += "^2"    self.text_ctrl_1.AppendText("^2")    event.Skip()  def bu61(self, event): # wxGlade: MyFrame.<event_handler>    global ts    ts += "^"    self.text_ctrl_1.AppendText("^")    event.Skip()  def bu62(self, event): # wxGlade: MyFrame.<event_handler>    global ts    ts += "sqrt("    self.text_ctrl_1.AppendText("sqrt(")    event.Skip()  def bu63(self, event): # wxGlade: MyFrame.<event_handler>    global ts    ts += "sin("    self.text_ctrl_1.AppendText("sin(")    event.Skip()  def bu64(self, event): # wxGlade: MyFrame.<event_handler>    global ts    ts += "cos("    self.text_ctrl_1.AppendText("cos(")    event.Skip()  def bu65(self, event): # wxGlade: MyFrame# .<event_handler>    global ts    ts += "tan("    self.text_ctrl_1.AppendText("tan(")    event.Skip()  def bu66(self, event): # wxGlade: MyFrame.<event_handler>    global ts    ts += "log("    self.text_ctrl_1.AppendText("log(")    event.Skip()  def bu67(self, event): # wxGlade: MyFrame.<event_handler>    global ts    ts += "ln("    self.text_ctrl_1.AppendText("ln(")    event.Skip()  def bu68(self, event): # wxGlade: MyFrame.<event_handler>    global ts    ts += "!"    self.text_ctrl_1.AppendText("!")    event.Skip()  def bu69(self, event): # wxGlade: MyFrame.<event_handler>    global ts    ts += "m"    self.text_ctrl_1.AppendText("m")#qumo    event.Skip()  def bu70(self, event): # wxGlade: MyFrame.<event_handler>    global ts    ts += "int("    self.text_ctrl_1.AppendText("int(")    event.Skip()  def bu71(self, event): # wxGlade: MyFrame.<event_handler>    global ts    ts += "u"    self.text_ctrl_1.AppendText("u")#yu    event.Skip()  def bu72(self, event): # wxGlade: MyFrame.<event_handler>    global ts    ts += "|"    self.text_ctrl_1.AppendText("|")#huo    event.Skip()  def bu73(self, event): # wxGlade: MyFrame.<event_handler>    global ts    ts += "n("    self.text_ctrl_1.AppendText("n(")#fei    event.Skip()  def bu74(self, event): # wxGlade: MyFrame.<event_handler>    global ts    ts += "x"    self.text_ctrl_1.AppendText("x")#yihuo    event.Skip()    # end of class MyFrameif __name__ == "__main__":  app=wx.App(False)  myframe= MyFrame(None)  app.MainLoop()