Print statement modification for backward compatibility

Author: 0--key

behavioral/observer.py

@@ -1,5 +1,6 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
+from __future__ import print_function
 """http://code.activestate.com/recipes/131499-observer-pattern/"""
 
 
@@ -67,20 +68,20 @@ def main():
     data2.attach(view2)
     data2.attach(view1)
 
-    print("Setting Data 1 = 10")
+    print(u"Setting Data 1 = 10")
     data1.data = 10
-    print("Setting Data 2 = 15")
+    print(u"Setting Data 2 = 15")
     data2.data = 15
-    print("Setting Data 1 = 3")
+    print(u"Setting Data 1 = 3")
     data1.data = 3
-    print("Setting Data 2 = 5")
+    print(u"Setting Data 2 = 5")
     data2.data = 5
-    print("Detach HexViewer from data1 and data2.")
+    print(u"Detach HexViewer from data1 and data2.")
     data1.detach(view2)
     data2.detach(view2)
-    print("Setting Data 1 = 10")
+    print(u"Setting Data 1 = 10")
     data1.data = 10
-    print("Setting Data 2 = 15")
+    print(u"Setting Data 2 = 15")
     data2.data = 15
 
 

behavioral/state.py

@@ -15,7 +15,7 @@ def scan(self):
         self.pos += 1
         if self.pos == len(self.stations):
             self.pos = 0
-        print("Scanning... Station is", self.stations[self.pos], self.name)
+        print(u"Scanning... Station is", self.stations[self.pos], self.name)
 
 
 class AmState(State):
@@ -27,7 +27,7 @@ def __init__(self, radio):
         self.name = "AM"
 
     def toggle_amfm(self):
-        print("Switching to FM")
+        print(u"Switching to FM")
         self.radio.state = self.radio.fmstate
 
 
@@ -40,7 +40,7 @@ def __init__(self, radio):
         self.name = "FM"
 
     def toggle_amfm(self):
-        print("Switching to AM")
+        print(u"Switching to AM")
         self.radio.state = self.radio.amstate
 
 

creational/lazy_evaluation.py

@@ -19,7 +19,7 @@
 https://github.com/pallets/werkzeug/blob/5a2bf35441006d832ab1ed5a31963cbc366c99ac/werkzeug/utils.py#L35
 """
 
-
+from __future__ import print_function
 import functools
 
 
@@ -52,11 +52,11 @@ def relatives(self):
 
 def main():
     Jhon = Person('Jhon', 'Coder')
-    print("Name: {0}    Occupation: {1}".format(Jhon.name, Jhon.occupation))
-    print("Before we access `relatives`:")
+    print(u"Name: {0}    Occupation: {1}".format(Jhon.name, Jhon.occupation))
+    print(u"Before we access `relatives`:")
     print(Jhon.__dict__)
-    print("Jhon's relatives: {0}".format(Jhon.relatives))
-    print("After we've accessed `relatives`:")
+    print(u"Jhon's relatives: {0}".format(Jhon.relatives))
+    print(u"After we've accessed `relatives`:")
     print(Jhon.__dict__)