我想运行模块而不运行：
from ex import x
global x
call ex.py
y = x+2
print y
x=5*3
那就是简化的代码。如您所见，我调用ex.py并使用变量x。但是当我运行main.py时，ex.py也正在运行。但我只想得到x是什么并在main.py中使用
import pygtk
pygtk.require20()
import gtk
import subprocess
from ex import x
global x
类Application（对象）：
def __init__(self):
self.window = gtk.Window(gtk.WINDOW_TOPLEVEL)
self.window.set_title("Graphics")
self.window.set_position(gtk.WIN_POS_CENTER)
self.window.set_border_width(0)
self.window.connect("delete_event", gtk.main_quit)
self.giris=gtk.Label("Fill Up The Required Values Below:")
self.giris.set_alignment(0.5,0)
self.giris1=gtk.Label("Read Values:")
self.giris1.set_alignment(0.5,0)
self.box=gtk.HButtonBox()
self.entry_a1=gtk.Entry()
self.entry_a2=gtk.Entry()
self.entry_a3=gtk.Entry()
self.entry_a4=gtk.Entry()
self.entry_a5=gtk.Entry()
self.entry_a6=gtk.Entry()
self.entry_a7=gtk.Entry()
self.entry_a8=gtk.Entry()
self.entry_b1=gtk.Entry()
self.entry_b2=gtk.Entry()
self.entry_b3=gtk.Entry()
self.entry_b4=gtk.Entry()
self.entry_b5=gtk.Entry()
self.entry_b6=gtk.Entry()
self.entry_b7=gtk.Entry()
self.entry_b8=gtk.Entry()
self.label_a1=gtk.Label("X-Label:")
self.label_a2=gtk.Label("Y-Label:")
self.label_a3=gtk.Label("Scale:")
self.label_a4=gtk.Label("XrangePos:")
self.label_a5=gtk.Label("XrangeNeg:")
self.label_a6=gtk.Label("YrangePos:")
self.label_a7=gtk.Label("YrangeNeg:")
self.label_a8=gtk.Label("Data:")
self.label_b1=gtk.Label("X-Label:")
self.label_b2=gtk.Label("Y-Label:")
self.label_b3=gtk.Label("Scale:")
self.label_b4=gtk.Label("XrangePos:")
self.label_b5=gtk.Label("XrangeNeg:")
self.label_b6=gtk.Label("YrangePos:")
self.label_b7=gtk.Label("YrangeNeg:")
self.label_b8=gtk.Label("Data:")
self.button=gtk.Button("Write")
self.button.connect("clicked",self.yaz)
self.button.set_alignment(0.5,0)
self.button.set_size_request(10,2)
self.button1=gtk.Button("Read")
self.button1.connect("clicked",self.oku)
self.button1.set_alignment(0.5,0)
self.button2=gtk.Button("Open")
self.button2.connect("clicked",self.ac)
self.button2.set_alignment(0.5,0)
self.table =gtk.Table(rows=10,columns=4)
self.table.set_row_spacings(2)
self.table.set_col_spacings(5)
self.table.attach(self.giris,0,2,0,1)
self.table.attach(self.label_a1,0,1,1,2)
self.table.attach(self.label_a2,0,1,2,3)
self.table.attach(self.label_a3,0,1,3,4)
self.table.attach(self.label_a4,0,1,4,5)
self.table.attach(self.label_a5,0,1,5,6)
self.table.attach(self.label_a6,0,1,6,7)
self.table.attach(self.label_a7,0,1,7,8)
self.table.attach(self.label_a8,0,1,8,9)
self.table.attach(self.button, 0,2,9,10)
self.table.attach(self.entry_a1,1,2,1,2)
self.table.attach(self.entry_a2,1,2,2,3)
self.table.attach(self.entry_a3,1,2,3,4)
self.table.attach(self.entry_a4,1,2,4,5)
self.table.attach(self.entry_a5,1,2,5,6)
self.table.attach(self.entry_a6,1,2,6,7)
self.table.attach(self.entry_a7,1,2,7,8)
self.table.attach(self.entry_a8,1,2,8,9)
self.table.attach(self.giris1,2,4,0,1)
self.table.attach(self.label_b1,2,3,1,2)
self.table.attach(self.label_b2,2,3,2,3)
self.table.attach(self.label_b3,2,3,3,4)
self.table.attach(self.label_b4,2,3,4,5)
self.table.attach(self.label_b5,2,3,5,6)
self.table.attach(self.label_b6,2,3,6,7)
self.table.attach(self.label_b7,2,3,7,8)
self.table.attach(self.label_b8,2,3,8,9)
self.table.attach(self.button2,2,3,9,10)
self.table.attach(self.entry_b1,3,4,1,2)
self.table.attach(self.entry_b2,3,4,2,3)
self.table.attach(self.entry_b3,3,4,3,4)
self.table.attach(self.entry_b4,3,4,4,5)
self.table.attach(self.entry_b5,3,4,5,6)
self.table.attach(self.entry_b6,3,4,6,7)
self.table.attach(self.entry_b7,3,4,7,8)
self.table.attach(self.entry_b8,3,4,8,9)
self.table.attach(self.button1,3,4,9,10)
self.window.add(self.table)
self.window.show_all()
def yaz(self,penar):
yaz_grup =(self.label_a1.get_label(),self.label_a2.get_label(),
self.label_a3.get_label(),self.label_a4.get_label(),
self.label_a5.get_label(),self.label_a6.get_label(),
self.label_a7.get_label(),self.label_a8.get_label())
yaz_grup1=(self.entry_a1.get_text(),self.entry_a2.get_text(),
self.entry_a3.get_text(),self.entry_a4.get_text(),
self.entry_a5.get_text(),self.entry_a6.get_text(),
self.entry_a7.get_text(),self.entry_a8.get_text())
f = open("x","w")
for k in range(8):
self.veri = yaz_grup[k]
self.veri1=yaz_grup1[k]
f.write(" %s %s \n" %(self.veri,self.veri1))
f.close
def oku(self,penar):
x = subprocess.Popen(["python","/home/emeks/workspace/ex/ex.py"])
print x
#!/usr/bin/env python
import pygtk
pygtk.require('2.0')
import gtk
global x
dialog = gtk.FileChooserDialog("Open..",None,gtk.FILE_CHOOSER_ACTION_OPEN,
(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL,
gtk.STOCK_OPEN, gtk.RESPONSE_OK))
dialog.set_default_response(gtk.RESPONSE_OK)
def foo():
response = dialog.run()
if response == gtk.RESPONSE_OK:
dialog.get_filename(), 'selected'
elif response == gtk.RESPONSE_CANCEL:
print 'Closed, no files selected'
x =dialog.get_filename()
print x
if __name__=='__main__':
foo()
dialog.destroy（）
那就是整个代码，正如我所说的，我想从ex中获取“ X”：
正确的语法是
if __name__=='__main__':
ex()
编辑：要更完整的答案，这是一个示例。
例如：
# some lines of code
print ("Hello World")
x=3*5
# A function
def mysum(a,b):
return a+b
# Protect execution
if __name__=='__main__':
print ("I am main")
print ("2 + 2 is %d" % mysum(2,2))
将始终打印“ Hello World”，但仅在直接运行ex.py而不是导入的情况下，才会打印“ I am main”。
x 可从导入中获得。
编辑2：从问题中获取完整的ex.py代码：
#!/usr/bin/env python
import pygtk
pygtk.require('2.0')
import gtk
global x
def foo():
response = dialog.run()
if response == gtk.RESPONSE_OK:
dialog.get_filename(), 'selected'
elif response == gtk.RESPONSE_CANCEL:
print 'Closed, no files selected'
x =dialog.get_filename()
print x
if __name__=='__main__':
# dialog related calls shall be protected against execution
dialog = gtk.FileChooserDialog("Open..",None,gtk.FILE_CHOOSER_ACTION_OPEN,
(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL,
gtk.STOCK_OPEN, gtk.RESPONSE_OK))
dialog.set_default_response(gtk.RESPONSE_OK)
foo()
dialog.destroy()
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我来说两句