add ask_user_details file

Author: all4innov

pyocni/pyocni_tools/ask_user_details.py

@@ -0,0 +1,38 @@
+import sys
+
+def query_yes_no_quit(question, default="yes"):
+    """Ask a yes/no/quit question via raw_input() and return their answer.
+
+    "question" is a string that is presented to the user.
+    "default" is the presumed answer if the user just hits <Enter>.
+        It must be "yes" (the default), "no", "quit" or None (meaning
+        an answer is required of the user).
+
+    The "answer" return value is one of "yes", "no" or "quit".
+    """
+    valid = {"yes":"yes",   "y":"yes",    "ye":"yes",
+             "no":"no",     "n":"no",
+             "quit":"quit", "qui":"quit", "qu":"quit", "q":"quit"}
+    if default == None:
+        prompt = " [y/n/q] : "
+    elif default == "yes":
+        prompt = " [Y/n/q] : "
+    elif default == "no":
+        prompt = " [y/N/q] : "
+    elif default == "quit":
+        prompt = " [y/n/Q] : "
+    else:
+        raise ValueError("invalid default answer: '%s'" % default)
+
+    while 1:
+        sys.stdout.write(question + prompt)
+        choice = raw_input().lower()
+        if default is not None and choice == '':
+            return default
+        elif choice in valid.keys():
+            return valid[choice]
+        else:
+            sys.stdout.write("Please respond with 'yes', 'no' or 'quit'.\n")
+
+if __name__ == '__main__':
+    print query_yes_no_quit("Do you like OCNI ;-) ?", "no")