1 files changed, 55 insertions, 0 deletions
diff --git a/src/tests/intg/util.py b/src/tests/intg/util.py
new file mode 100644
index 000000000..5dd92b220
--- /dev/null
+++ b/src/tests/intg/util.py
@@ -0,0 +1,55 @@
+#
+# Various functions
+#
+# Copyright (c) 2015 Red Hat, Inc.
+# Author: Nikolai Kondrashov <Nikolai.Kondrashov@redhat.com>
+#
+# This is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; version 2 only
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+import re
+import os
+import subprocess
+
+UNINDENT_RE = re.compile("^ +", re.MULTILINE)
+
+def unindent(text):
+    """
+        Unindent text by removing at most the number of spaces present in
+        the first non-empty line from the beginning of every line.
+    """
+    indent_ref = [0]
+    def replace(match):
+        if indent_ref[0] == 0:
+            indent_ref[0] = len(match.group())
+        return match.group()[indent_ref[0]:]
+    return UNINDENT_RE.sub(replace, text)
+
+def run_shell():
+    """
+        Execute an interactive shell under "screen", preserving environment.
+        For use as a breakpoint for debugging.
+    """
+    subprocess.call([
+        "screen", "-D", "-m", "bash", "-c",
+        "PATH='" + os.getenv("PATH", "") + "' " +
+        "LD_LIBRARY_PATH='" + os.getenv("LD_LIBRARY_PATH", "") + "' " +
+        "LD_PRELOAD='" + os.getenv("LD_PRELOAD", "") + "' " +
+        "bash -i"
+    ])
+
+def first_dir(*args):
+    """Return first argument that points to an existing directory."""
+    for arg in args:
+        if os.path.isdir(arg):
+            return arg