Merged in offbyone/coverage.py (pull request #31)

Resolve #285 - precreate the XML report's output directory if it does

1 files changed, 7 insertions, 0 deletions

diff --git a/coverage/control.py b/coverage/control.py
index d5e2c6f8..38c6cb4f 100644
--- a/coverage/control.py
+++ b/coverage/control.py
@@ -692,6 +692,13 @@ class coverage(object):
             if self.config.xml_output == '-':
                 outfile = sys.stdout
             else:
+                # Ensure that the output directory is created; done here
+                # because this report pre-opens the output file.
+                # HTMLReport does this using the Report plumbing because
+                # its task is more complex, being multiple files.
+                output_dir = os.path.dirname(self.config.xml_output)
+                if output_dir and not os.path.isdir(output_dir):
+                    os.makedirs(output_dir)
                 outfile = open(self.config.xml_output, "w")
                 file_to_close = outfile
         try: