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+#!/usr/bin/env python -tt
+#
+# Copyright (c) 2010, 2011 Intel Inc.
+#
+# This program 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 of the License
+#
+# 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, write to the Free Software Foundation, Inc., 59
+# Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+import os
+import time
+import wic.engine
+
+def build_name(kscfg, release=None, prefix=None, suffix=None):
+ """Construct and return an image name string.
+
+ This is a utility function to help create sensible name and fslabel
+ strings. The name is constructed using the sans-prefix-and-extension
+ kickstart filename and the supplied prefix and suffix.
+
+ kscfg -- a path to a kickstart file
+ release -- a replacement to suffix for image release
+ prefix -- a prefix to prepend to the name; defaults to None, which causes
+ no prefix to be used
+ suffix -- a suffix to append to the name; defaults to None, which causes
+ a YYYYMMDDHHMM suffix to be used
+
+ Note, if maxlen is less then the len(suffix), you get to keep both pieces.
+
+ """
+ name = os.path.basename(kscfg)
+ idx = name.rfind('.')
+ if idx >= 0:
+ name = name[:idx]
+
+ if release is not None:
+ suffix = ""
+ if prefix is None:
+ prefix = ""
+ if suffix is None:
+ suffix = time.strftime("%Y%m%d%H%M")
+
+ if name.startswith(prefix):
+ name = name[len(prefix):]
+
+ prefix = "%s-" % prefix if prefix else ""
+ suffix = "-%s" % suffix if suffix else ""
+
+ ret = prefix + name + suffix
+
+ return ret
+
+def find_canned(scripts_path, file_name):
+ """
+ Find a file either by its path or by name in the canned files dir.
+
+ Return None if not found
+ """
+ if os.path.exists(file_name):
+ return file_name
+
+ layers_canned_wks_dir = wic.engine.build_canned_image_list(scripts_path)
+ for canned_wks_dir in layers_canned_wks_dir:
+ for root, dirs, files in os.walk(canned_wks_dir):
+ for fname in files:
+ if fname == file_name:
+ fullpath = os.path.join(canned_wks_dir, fname)
+ return fullpath
+
+def get_custom_config(boot_file):
+ """
+ Get the custom configuration to be used for the bootloader.
+
+ Return None if the file can't be found.
+ """
+ scripts_path = os.path.abspath(os.path.dirname(__file__))
+ # Get the scripts path of poky
+ for x in range(0, 3):
+ scripts_path = os.path.dirname(scripts_path)
+
+ cfg_file = find_canned(scripts_path, boot_file)
+ if cfg_file:
+ with open(cfg_file, "r") as f:
+ config = f.read()
+ return config
+
+ return None