Split out xvfb

1 files changed, 23 insertions, 0 deletions

diff --git a/devbot/xvfb.py b/devbot/xvfb.py
new file mode 100644
index 0000000..6549b9d
--- /dev/null
+++ b/devbot/xvfb.py
@@ -0,0 +1,23 @@
+import os
+import subprocess
+
+from devbot import utils
+
+xvfb_display = ":100"
+
+def start():
+    xvfb_proc = subprocess.Popen(args=["Xvfb", xvfb_display],
+                                 stdout=utils.devnull,
+                                 stderr=subprocess.STDOUT)
+    orig_display = os.environ.get("DISPLAY", None)
+    os.environ["DISPLAY"] = xvfb_display
+
+    return (xvfb_proc, orig_display)
+
+def stop(xvfb_proc, orig_display):
+    if orig_display:
+        os.environ["DISPLAY"] = xvfb_display
+    else:
+        del os.environ["DISPLAY"]
+
+    xvfb_proc.terminate()