Hello, there!

pmb/parse/binfmt_info.py

@@ -0,0 +1,48 @@
+"""
+Copyright 2017 Oliver Smith
+
+This file is part of pmbootstrap.
+
+pmbootstrap 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, either version 3 of the License, or
+(at your option) any later version.
+
+pmbootstrap 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 pmbootstrap.  If not, see <http://www.gnu.org/licenses/>.
+"""
+import logging
+
+# Get magic and mask from binfmt info file
+# Return: {magic: ..., mask: ...}
+
+
+def binfmt_info(args, arch_debian):
+    # Parse the info file
+    full = {}
+    info = args.work + "/chroot_native/usr/share/qemu-user-binfmt.txt"
+    logging.debug("parsing: " + info)
+    with open(info, "r") as handle:
+        for line in handle:
+            if line.startswith('#') or "=" not in line:
+                continue
+            splitted = line.split("=")
+            key = splitted[0].strip()
+            value = splitted[1]
+            full[key] = value[1:-2]
+
+    ret = {}
+    logging.debug("filtering by architecture: " + arch_debian)
+    for type in ["mask", "magic"]:
+        key = arch_debian + "_" + type
+        if key not in full:
+            raise RuntimeError("Could not find key " + key + " in binfmt info file:" +
+                               info)
+        ret[type] = full[key]
+    logging.debug("=> " + str(ret))
+    return ret