\# Отчет по теме 8 Мамакин Ярослав, А-02-23 \## 1 Начало работы со средой и подключение необходимых модулей ```py >>> import os,sys,importlib >>> os.chdir(r'C:\\Users\\uprkt\\Desktop\\ПО\\python-labs\\TEMA8') >>> os.getcwd() 'C:\\\\Users\\\\uprkt\\\\Desktop\\\\ПО\\\\python-labs\\\\TEMA8' ``` \## 2 Создание и использование модулей в среде Python. \## 2.1 Запуск модуля на выполнение путем его импорта. ```py >>> import Mod1 Mod1:Введите значение = 5 Mod1:Значение perm1= 5 >>> Mod1.perm1 '5' >>> import Mod1 >>> importlib.reload(Mod1) Mod1:Введите значение = 3 Mod1:Значение perm1= 3 >>> Mod1.perm1 '3' ``` \## 2.2 Словарь импортированных модулей ```py >>> print(sorted(sys.modules.keys())) \\\['Mod1', '\\\_\\\_future\\\_\\\_', '\\\_\\\_main\\\_\\\_', '\\\_abc', '\\\_ast', '\\\_bisect', '\\\_bz2', '\\\_codecs', '\\\_collections', '\\\_collections\\\_abc', '\\\_colorize', '\\\_compat\\\_pickle', '\\\_compression', '\\\_datetime', '\\\_frozen\\\_importlib', '\\\_frozen\\\_importlib\\\_external', '\\\_functools', '\\\_heapq', '\\\_imp', '\\\_io', '\\\_lzma', '\\\_opcode', '\\\_opcode\\\_metadata', '\\\_operator', '\\\_pickle', '\\\_pyrepl', '\\\_pyrepl.pager', '\\\_queue', '\\\_random', '\\\_signal', '\\\_sitebuiltins', '\\\_socket', '\\\_sre', '\\\_stat', '\\\_string', '\\\_struct', '\\\_sysconfig', '\\\_thread', '\\\_tkinter', '\\\_tokenize', '\\\_typing', '\\\_warnings', '\\\_weakref', '\\\_weakrefset', '\\\_winapi', '\\\_wmi', 'abc', 'ast', 'bdb', 'binascii', 'bisect', 'builtins', 'bz2', 'codecs', 'collections', 'collections.abc', 'configparser', 'contextlib', 'copyreg', 'datetime', 'dis', 'encodings', 'encodings.aliases', 'encodings.cp1251', 'encodings.utf\\\_8', 'enum', 'errno', 'fnmatch', 'functools', 'genericpath', 'heapq', 'idlelib', 'idlelib.autocomplete', 'idlelib.autocomplete\\\_w', 'idlelib.calltip', 'idlelib.calltip\\\_w', 'idlelib.config', 'idlelib.debugger', 'idlelib.debugger\\\_r', 'idlelib.debugobj', 'idlelib.debugobj\\\_r', 'idlelib.hyperparser', 'idlelib.iomenu', 'idlelib.macosx', 'idlelib.multicall', 'idlelib.pyparse', 'idlelib.rpc', 'idlelib.run', 'idlelib.scrolledlist', 'idlelib.stackviewer', 'idlelib.tooltip', 'idlelib.tree', 'idlelib.util', 'idlelib.window', 'idlelib.zoomheight', 'importlib', 'importlib.\\\_abc', 'importlib.\\\_bootstrap', 'importlib.\\\_bootstrap\\\_external', 'importlib.machinery', 'importlib.util', 'inspect', 'io', 'ipaddress', 'itertools', 'keyword', 'linecache', 'lzma', 'marshal', 'math', 'nt', 'ntpath', 'opcode', 'operator', 'os', 'os.path', 'pickle', 'pkgutil', 'platform', 'plistlib', 'posixpath', 'pydoc', 'pyexpat', 'pyexpat.errors', 'pyexpat.model', 'queue', 'random', 're', 're.\\\_casefix', 're.\\\_compiler', 're.\\\_constants', 're.\\\_parser', 'reprlib', 'select', 'selectors', 'shlex', 'shutil', 'site', 'socket', 'socketserver', 'stat', 'string', 'struct', 'sys', 'sysconfig', 'tempfile', 'textwrap', 'threading', 'time', 'tkinter', 'tkinter.constants', 'token', 'tokenize', 'traceback', 'types', 'typing', 'urllib', 'urllib.parse', 'warnings', 'weakref', 'winreg', 'xml', 'xml.parsers', 'xml.parsers.expat', 'xml.parsers.expat.errors', 'xml.parsers.expat.model', 'zipimport', 'zlib'] >>> sys.modules.pop('Mod1') >>> print(sorted(sys.modules.keys())) \\\['\\\_\\\_future\\\_\\\_', '\\\_\\\_main\\\_\\\_', '\\\_abc', '\\\_ast', '\\\_bisect', '\\\_bz2', '\\\_codecs', '\\\_collections', '\\\_collections\\\_abc', '\\\_colorize', '\\\_compat\\\_pickle', '\\\_compression', '\\\_datetime', '\\\_frozen\\\_importlib', '\\\_frozen\\\_importlib\\\_external', '\\\_functools', '\\\_heapq', '\\\_imp', '\\\_io', '\\\_lzma', '\\\_opcode', '\\\_opcode\\\_metadata', '\\\_operator', '\\\_pickle', '\\\_pyrepl', '\\\_pyrepl.pager', '\\\_queue', '\\\_random', '\\\_signal', '\\\_sitebuiltins', '\\\_socket', '\\\_sre', '\\\_stat', '\\\_string', '\\\_struct', '\\\_sysconfig', '\\\_thread', '\\\_tkinter', '\\\_tokenize', '\\\_typing', '\\\_warnings', '\\\_weakref', '\\\_weakrefset', '\\\_winapi', '\\\_wmi', 'abc', 'ast', 'bdb', 'binascii', 'bisect', 'builtins', 'bz2', 'codecs', 'collections', 'collections.abc', 'configparser', 'contextlib', 'copyreg', 'datetime', 'dis', 'encodings', 'encodings.aliases', 'encodings.cp1251', 'encodings.utf\\\_8', 'enum', 'errno', 'fnmatch', 'functools', 'genericpath', 'heapq', 'idlelib', 'idlelib.autocomplete', 'idlelib.autocomplete\\\_w', 'idlelib.calltip', 'idlelib.calltip\\\_w', 'idlelib.config', 'idlelib.debugger', 'idlelib.debugger\\\_r', 'idlelib.debugobj', 'idlelib.debugobj\\\_r', 'idlelib.hyperparser', 'idlelib.iomenu', 'idlelib.macosx', 'idlelib.multicall', 'idlelib.pyparse', 'idlelib.rpc', 'idlelib.run', 'idlelib.scrolledlist', 'idlelib.stackviewer', 'idlelib.tooltip', 'idlelib.tree', 'idlelib.util', 'idlelib.window', 'idlelib.zoomheight', 'importlib', 'importlib.\\\_abc', 'importlib.\\\_bootstrap', 'importlib.\\\_bootstrap\\\_external', 'importlib.machinery', 'importlib.util', 'inspect', 'io', 'ipaddress', 'itertools', 'keyword', 'linecache', 'lzma', 'marshal', 'math', 'nt', 'ntpath', 'opcode', 'operator', 'os', 'os.path', 'pickle', 'pkgutil', 'platform', 'plistlib', 'posixpath', 'pydoc', 'pyexpat', 'pyexpat.errors', 'pyexpat.model', 'queue', 'random', 're', 're.\\\_casefix', 're.\\\_compiler', 're.\\\_constants', 're.\\\_parser', 'reprlib', 'select', 'selectors', 'shlex', 'shutil', 'site', 'socket', 'socketserver', 'stat', 'string', 'struct', 'sys', 'sysconfig', 'tempfile', 'textwrap', 'threading', 'time', 'tkinter', 'tkinter.constants', 'token', 'tokenize', 'traceback', 'types', 'typing', 'urllib', 'urllib.parse', 'warnings', 'weakref', 'winreg', 'xml', 'xml.parsers', 'xml.parsers.expat', 'xml.parsers.expat.errors', 'xml.parsers.expat.model', 'zipimport', 'zlib'] import Mod1 Mod1:Введите значение = 2 Mod1:Значение perm1= 2 Mod1.perm1 '2' sys.modules.pop('Mod1') ``` \## 2.3 Запуск модуля на выполнение с помощью функции exec() ```py >>> exec(open('Mod1.py').read()) Mod1:Введите значение = 6 Mod1:Значение perm1= 6 >>> Mod1.perm1 '2' >>> perm1 '6' >>> exec(open('Mod1.py').read()) Mod1:Введите значение = 7 Mod1:Значение perm1= 7 >>> perm1 '7' >>> exec(open('Mod1.py').read()) Mod1:Введите значение = 8 Mod1:Значение perm1= 8 >>> perm1 '8' ``` \## 2.4 ```py >>> from Mod1 import perm1 Mod1:Введите значение = 9 Mod1:Значение perm1= 9 >>> perm1 '9' >>> dir() \\\['Mod1', '\\\_\\\_annotations\\\_\\\_', '\\\_\\\_builtins\\\_\\\_', '\\\_\\\_doc\\\_\\\_', '\\\_\\\_loader\\\_\\\_', '\\\_\\\_name\\\_\\\_', '\\\_\\\_package\\\_\\\_', '\\\_\\\_spec\\\_\\\_', '\\\_\\\_warningregistry\\\_\\\_', 'importlib', 'os', 'perm1', 'sys'] >>> from Mod2 import beta >>> g=beta(2) >>> g 535.4916555247646 >>> dir() \\\['Mod1', '\\\_\\\_annotations\\\_\\\_', '\\\_\\\_builtins\\\_\\\_', '\\\_\\\_doc\\\_\\\_', '\\\_\\\_loader\\\_\\\_', '\\\_\\\_name\\\_\\\_', '\\\_\\\_package\\\_\\\_', '\\\_\\\_spec\\\_\\\_', '\\\_\\\_warningregistry\\\_\\\_', 'beta', 'g', 'importlib', 'os', 'perm1', 'sys'] >>> alpha() Traceback (most recent call last): File "", line 1, in alpha() NameError: name 'alpha' is not defined >>> from Mod2 import alpha as al >>> al() \*\*\*\*ALPHA\*\*\*\* Значение t=5 '5' >>> del al,beta >>> from Mod2 import alpha as al, beta as bt >>> del al,bt >>> from Mod2 import \* >>> tt=alpha() \*\*\*\*ALPHA\*\*\*\* Значение t=0.12 >>> uu=beta(float(tt)) >>> uu 1.4578913609506803 ``` \## 3 Создание многомодульных программ \## 3.1 Пример простой многомодульной программы ```py >>> sys.modules.pop('Mod1') >>> sys.modules.pop('Mod2') >>> import Mod0 Mod1:Введите значение = 7 Mod1:Значение perm1= 7 perm1= 7 \*\*\*\*ALPHA\*\*\*\* Значение t=8 tt= 8 qq= 82226315585.59491 >>> Mod0.tt;Mod0.qq;Mod0.Mod1.perm1 '8' 82226315585.59491 '7' ``` \## 3.2 Пример 2 Модуль ММ2: ```py znach=input('k1,T,k2,Xm,A,F,N=').split(',') k1=float(znach\[0]) T=float(znach\[1]) k2=float(znach\[2]) Xm=float(znach\[3]) A=float(znach\[4]) F=float(znach\[5]) N=int(znach\[6]) import math vhod=\[] for i in range(N):   vhod.append(A\*math.sin((2\*i\*math.pi)\*F)) import MM1 as mod yi1=0;yin1=0;yi2=0 vyhod=\[] for xt in vhod:   xt1=xt-yi2 #отрицательная обратная связь   \[yi1,yin1]=mod.realdvig(xt1,k1,T,yi1,yin1)   yi2=mod.tahogen(yin1,k2,yi2)   yt=mod.nechus(yin1,Xm)   vyhod.append(yt) ``` Модуль MM0: ```py import MM2 print('y=',MM2.vyhod) ``` Запустим модуль MM0: ```py import MM0 k1,T,k2,Xm,A,F,N=2,10,3,1,5,0.025,30 y= \[0, 0, 0, 0, 0, 0, 0, -1.299465163446989, -1.3579959054305797, 0, 3.7144096317728987, 7.811411673609909, 6.5646766889828605, -1.7207792337901524, -18.81372872718616, -31.38046599103643, -22.278866622819873, 17.097152611947436, 77.81058529582174, 112.97718138176809, 62.60779574768801, -98.35894773519156, -309.62984734263415, -395.51094806311954, -151.2442551724449, 474.0906424325323, 1190.4363664389593, 1337.7521059074418, 237.48484712636358, -2125.064719245332] ``` \## 3.3 Области действия объектов в модулях ```py def alpha():   print('\*\*\*\*ALPHA\*\*\*\*')   t=input('Значение t=')   beta(float(t))   return t   def beta(q):   import math   expi=q\*math.pi   alpha()   return math.exp(expi) ``` ```py >>> Mod2.alpha() \*\*\*\*ALPHA\*\*\*\* Значение t=9 '9' >>> Mod2.beta(8) 82226315585.59491 ``` ```py \#Модуль Mod0 import Mod1 print('perm1=',Mod1.perm1) from Mod2 import alpha as al tt=al() print('tt=',tt) from Mod2 import beta qq=beta(float(tt)) print('qq=',qq) print('t=',t) print('expi=',expi) ``` ```py >>> import Mod0 perm1= 9 \*\*\*\*ALPHA\*\*\*\* Значение t=1 tt= 1 qq= 23.140692632779267 Traceback (most recent call last):   File "", line 1, in   import Mod0   File "C:\\Users\\uprkt\\Desktop\\ПО\\python-labs\\TEMA8\\Mod0.py", line 10, in   print('t=',t) NameError: name 't' is not defined. Did you mean: 'tt'? ``` ```py \#Модуль Mod0 import Mod1 Mod1.perm1=1337 print('perm1=',Mod1.perm1) from Mod2 import alpha as al tt=al() print('tt=',tt) from Mod2 import beta qq=beta(float(tt)) print('qq=',qq) ``` ```py >>> import Mod0 perm1= 1337 \*\*\*\*ALPHA\*\*\*\* Значение t=8 tt= 8 qq= 82226315585.59491 ``` ```py >>> Mod0.Mod1.perm1=4 >>> Mod0.Mod1.perm1 4 >>> Mod0.Mod1.tt=10 >>> Mod0.Mod1.qq=93865 >>> Mod0.Mod1.tt 10 >>> Mod0.Mod1.qq 93865 ```