[oe-commits] Richard Purdie : lib/oe/lsb: Add basic LSB functions

[git at git.openembedded.org]

Module: openembedded-core.git
Branch: master-next
Commit: 458bdfe1cc4872e901ea3c38f497bfea6cf4c8cb
URL:    http://git.openembedded.org/?p=openembedded-core.git&a=commit;h=458bdfe1cc4872e901ea3c38f497bfea6cf4c8cb

Author: Richard Purdie <richard.purdie at linuxfoundation.org>
Date:   Thu Jul 26 14:05:51 2012 +0100

lib/oe/lsb: Add basic LSB functions

This code was written by Christopher Larson <chris_larson at mentor.com> and
allows generation of the LSB release data based upon the lsb_release
command. It also includes a helper function to generate a string
representing a given distribution.

Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
Signed-off-by: Saul Wold <sgw at linux.intel.com>

---

 meta/lib/oe/lsb.py |   28 ++++++++++++++++++++++++++++
 1 files changed, 28 insertions(+), 0 deletions(-)

diff --git a/meta/lib/oe/lsb.py b/meta/lib/oe/lsb.py
new file mode 100644
index 0000000..36dd12f
--- /dev/null
+++ b/meta/lib/oe/lsb.py
@@ -0,0 +1,28 @@
+def release_dict():
+    """Return the output of lsb_release -a as a dictionary"""
+    from subprocess import PIPE
+
+    try:
+        output, err = bb.process.run(['lsb_release', '-a'], stderr=PIPE)
+    except bb.process.CmdError as exc:
+        return
+
+    data = {}
+    for line in output.splitlines():
+        try:
+            key, value = line.split(":\t", 1)
+        except ValueError:
+            continue
+        else:
+            data[key] = value
+    return data
+
+def distro_identifier(adjust_hook=None):
+    """Return a distro identifier string based upon lsb_release -ri,
+       with optional adjustment via a hook"""
+
+    lsb_data = release_dict()
+    distro_id, release = lsb_data['Distributor ID'], lsb_data['Release']
+    if adjust_hook:
+        distro_id, release = adjust_hook(distro_id, release)
+    return '{0}-{1}'.format(distro_id, release).replace(' ','-')