sys in py] code example
Example 1: sys.executable
import sys
print('Current python version: ', sys.version)
print('Download dependencies here: ', sys.executable)
Example 2: sys.displayhook
import sys
class ExpressionCounter(object):
def __init__(self):
self.count = 0
self.previous_value = self
def __call__(self, value):
print
print ' Previous:', self.previous_value
print ' New :', value
print
if value != self.previous_value:
self.count += 1
sys.ps1 = '(%3d)> ' % self.count
self.previous_value = value
sys.__displayhook__(value)
print 'installing'
sys.displayhook = ExpressionCounter()