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tests.await_condition()   A
last analyzed

↳ Parent: tests

Complexity

Conditions 4

Size

Total Lines 11
Code Lines 8

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
eloc 8
dl 0
loc 11
rs 10
c 0
b 0
f 0
cc 4
nop 3
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# -*- coding: utf-8 -*-
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# -----------------------------------------------------------------------------
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# Copyright (c) 2015 Yann Lanthony
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# Copyright (c) 2017-2018 Spyder Project Contributors
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#
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# Licensed under the terms of the MIT License
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# (See LICENSE.txt for details)
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# -----------------------------------------------------------------------------
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# Standard library imports

            


            
                                                                                                            
                            
            
                                    
            
            

                
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from os.path import dirname, join, normpath

            


            
                                                                                                            
                            
            
                                    
            
            

                
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import os

            


            
                                                                                                            
                            
            
                                    
            
            

                
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import time

            


            
                                                                                                            
                            
            
                                    
            
            

                
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PROJECT_DIR = normpath(dirname(dirname(__file__)))

            


            
                                                                                                            
                            
            
                                    
            
            

                
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EXAMPLES_DIR = normpath(join(PROJECT_DIR, 'examples'))

            


            
                                                                                                            
                            
            
                                    
            
            

                
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def example(*paths):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    """Get path to an example."""

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    return normpath(join(dirname(__file__), '..', 'examples', *paths))

            


            
                                                                                                            
                            
            
                                    
            
            

                
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def touch(file):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    """Touch a file."""

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    with open(str(file), 'a'):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        os.utime(str(file), None)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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def await_condition(condition, timeout=20, qt_app=None):

            


            
                                                        
            
                                    
            
            

                
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    """Return True if a condition is met in the given timeout period"""

            


            
                                                        
            
                                    
            
            

                
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    for _ in range(timeout):

            


            
                                                        
            
                                    
            
            

                
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        if qt_app:

            


            
                                                        
            
                                    
            
            

                
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            # pump event loop while waiting for condition

            


            
                                                        
            
                                    
            
            

                
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            qt_app.processEvents()

            


            
                                                        
            
                                    
            
            

                
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        if condition():

            


            
                                                        
            
                                    
            
            

                
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            return True

            


            
                                                        
            
                                    
            
            

                
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        time.sleep(0.1)

            


            
                                                        
            
                                    
            
            

                
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    return False

            


            
                                                        
            
                                    
            
            

                
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