XML output file is configurable in .rc file.

3 files changed, 17 insertions, 5 deletions

diff --git a/coverage/cmdline.py b/coverage/cmdline.py
index e82cf27..60f9cdd 100644
--- a/coverage/cmdline.py
+++ b/coverage/cmdline.py
@@ -506,8 +506,6 @@ class CoverageScript(object):
                 directory=options.directory, **report_args)
         if 'xml' in options.actions:
             outfile = options.outfile
-            if outfile == '-':
-                outfile = None
             self.coverage.xml_report(outfile=outfile, **report_args)
 
         return OK
diff --git a/coverage/config.py b/coverage/config.py
index 9307fad..8f508f2 100644
--- a/coverage/config.py
+++ b/coverage/config.py
@@ -29,6 +29,9 @@ class CoverageConfig(object):
         # Defaults for [html]
         self.html_dir = "htmlcov"
 
+        # Defaults for [xml]
+        self.xml_output = "coverage.xml"
+
     def from_environment(self, env_var):
         """Read configuration from the `env_var` environment variable."""
         # Timidity: for nose users, read an environment variable.  This is a
@@ -86,3 +89,7 @@ class CoverageConfig(object):
         # [html]
         if cp.has_option('html', 'directory'):
             self.html_dir = cp.get('html', 'directory')
+
+        # [xml]
+        if cp.has_option('xml', 'output'):
+            self.xml_output = cp.get('xml', 'output')
diff --git a/coverage/control.py b/coverage/control.py
index 3a1b7f0..5c25380 100644
--- a/coverage/control.py
+++ b/coverage/control.py
@@ -366,14 +366,21 @@ class coverage(object):
         """Generate an XML report of coverage results.
 
         The report is compatible with Cobertura reports.
+        
+        Each module in `morfs` is included in the report.  `outfile` is the
+        path to write the file to, "-" will write to stdout.
 
         """
         self.config.from_args(
             ignore_errors=ignore_errors,
-            omit_prefixes=omit_prefixes
+            omit_prefixes=omit_prefixes,
+            xml_output=outfile,
             )
-        if outfile:
-            outfile = open(outfile, "w")
+        if self.config.xml_output:
+            if self.config.xml_output == '-':
+                outfile = sys.stdout
+            else:
+                outfile = open(self.config.xml_output, "w")
         try:
             reporter = XmlReporter(self, self.config.ignore_errors)
             reporter.report(