From 46dc3d406edf34253595234d5ae4c0420e188e2d Mon Sep 17 00:00:00 2001
From: Evgeny Fadeev <evgeny.fadeev@gmail.com>
Date: Thu, 16 Dec 2010 21:33:06 -0500
Subject: one more small improvement to the dump_forum command

---
 askbot/management/commands/dump_forum.py | 20 ++++++++++++--------
 askbot/utils/console.py                  | 10 +++++-----
 askbot/utils/path.py                     |  9 +++++++++
 3 files changed, 26 insertions(+), 13 deletions(-)

diff --git a/askbot/management/commands/dump_forum.py b/askbot/management/commands/dump_forum.py
index 9328bb53..8047b2f6 100644
--- a/askbot/management/commands/dump_forum.py
+++ b/askbot/management/commands/dump_forum.py
@@ -22,11 +22,15 @@ The extension ".json" will be added automatically."""
                     )
         print "Saving file %s ..." % dump_file.name
         stdout_orig = sys.stdout
-        sys.stdout = dump_file
-        management.call_command(
-                            'dumpdata',
-                            exclude = ('contenttypes',),
-                            indent = 4
-                        )
-        sys.stdout = stdout_orig
-        print "Done."
+        try:
+            sys.stdout = dump_file
+            management.call_command(
+                                'dumpdata',
+                                exclude = ('contenttypes',),
+                                indent = 4
+                            )
+            sys.stdout = stdout_orig
+            print "Done."
+        except KeyboardInterrupt:
+            sys.stdout = stdout_orig
+            print "\nCanceled."
diff --git a/askbot/utils/console.py b/askbot/utils/console.py
index bc51f3a3..f0dab45e 100644
--- a/askbot/utils/console.py
+++ b/askbot/utils/console.py
@@ -37,14 +37,14 @@ def open_new_file(prompt_phrase, extension = '', hint = None):
     else:
         extension = ''
 
+    file_object = None
     if hint:
         file_path = path.extend_file_name(hint, extension)
-        if not os.path.exists(file_path):
-            return open(file_path, 'w+')
+        file_object = path.create_file_if_does_not_exist(file_path, print_warning = True)
         
-    while 1:
+    while file_object == None:
         file_path = raw_input(prompt_phrase)
         file_path = path.extend_file_name(file_path, extension)
+        file_object = path.create_file_if_does_not_exist(file_path, print_warning = True)
 
-        if not os.path.exists(file_path):
-            return open(file_path, 'w+')
+    return file_object
diff --git a/askbot/utils/path.py b/askbot/utils/path.py
index aeffb1ae..e4c117c3 100644
--- a/askbot/utils/path.py
+++ b/askbot/utils/path.py
@@ -21,3 +21,12 @@ def extend_file_name(file_path, extension):
         file_path += extension
     return file_path
 
+def create_file_if_does_not_exist(file_path, print_warning = True):
+    """if file at file_path does not exist, create it and return
+    the file object, otherwise return None"""
+    if not os.path.exists(file_path):
+        return open(file_path, 'w+')
+    else:
+        if print_warning:
+            print "File %s exists" % file_path
+        return None
-- 
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