Fix path already exists error in compiler.

compile.py

@@ -9,40 +9,6 @@
 from helpers import compile_helper
 from subprocess import call
 
-
-def query_yes_no(question, default="yes"):
-    """Ask a yes/no 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" or None (meaning
-        an answer is required of the user).
-
-    The "answer" return value is True for "yes" or False for "no".
-    """
-    valid = {"yes": True, "y": True, "ye": True,
-             "no": False, "n": False}
-    if default is None:
-        prompt = " [y/n] "
-    elif default == "yes":
-        prompt = " [Y/n] "
-    elif default == "no":
-        prompt = " [y/N] "
-    else:
-        raise ValueError("invalid default answer: '%s'" % default)
-
-    while True:
-        sys.stdout.write(question + prompt)
-        choice = raw_input().lower()
-        if default is not None and choice == '':
-            return valid[default]
-        elif choice in valid:
-            return valid[choice]
-        else:
-            sys.stdout.write("Please respond with 'yes' or 'no' "
-                             "(or 'y' or 'n').\n")
-
-
 # Add this to your path
 protoc_path = "protoc"
 
@@ -69,7 +35,7 @@ def query_yes_no(question, default="yes"):
 
 if not default_out_path:
     print 'Can we remove "%s"?' % tmp_out_path
-    may_remove = query_yes_no("Please answer.", default="no")
+    may_remove = compile_helper.query_yes_no("Please answer.", default="no")
 else:
     may_remove = True
 

compile_single.py

@@ -37,7 +37,9 @@
 
 # Create necessary directory
 os.makedirs(tmp_path)
-os.makedirs(out_path)
+
+if not os.path.exists(out_path):
+    os.makedirs(out_path)
 
 created_packages = []
 

helpers/compile_helper.py

@@ -13,3 +13,36 @@ def finish_compile(out_path, lang):
             with open(init_path, 'w') as init_file:
                 if pogo_protos_path is root:
                     init_file.write("'Generated'; import os; import sys; sys.path.append(os.path.dirname(os.path.realpath(__file__)))")
+
+
+def query_yes_no(question, default="yes"):
+    """Ask a yes/no 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" or None (meaning
+        an answer is required of the user).
+
+    The "answer" return value is True for "yes" or False for "no".
+    """
+    valid = {"yes": True, "y": True, "ye": True,
+             "no": False, "n": False}
+    if default is None:
+        prompt = " [y/n] "
+    elif default == "yes":
+        prompt = " [Y/n] "
+    elif default == "no":
+        prompt = " [y/N] "
+    else:
+        raise ValueError("invalid default answer: '%s'" % default)
+
+    while True:
+        sys.stdout.write(question + prompt)
+        choice = raw_input().lower()
+        if default is not None and choice == '':
+            return valid[default]
+        elif choice in valid:
+            return valid[choice]
+        else:
+            sys.stdout.write("Please respond with 'yes' or 'no' "
+                             "(or 'y' or 'n').\n")