wic: code cleanup: wildcard imports

Here is what PEP8(Style Guide for Python Code) says about this:

Wildcard imports (from <module> import *) should be avoided, as they
make it unclear which names are present in the namespace, confusing
both readers and many automated tools.

(From OE-Core rev: 13416c1941f5dc8abcdb0073f2104a89eae2d6f1)

Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

scripts/lib/image/engine.py

@@ -42,7 +42,7 @@ from wic.utils import cmdln, misc, errors
 from wic.conf import configmgr
 from wic.plugin import pluginmgr
 from wic.__version__ import VERSION
-from wic.utils.oe.misc import *
+from wic.utils.oe import misc
 
 
 def verify_build_env():
@@ -65,19 +65,19 @@ def find_artifacts(image_name):
     Gather the build artifacts for the current image (the image_name
     e.g. core-image-minimal) for the current MACHINE set in local.conf
     """
-    bitbake_env_lines = get_bitbake_env_lines()
+    bitbake_env_lines = misc.get_bitbake_env_lines()
 
     rootfs_dir = kernel_dir = bootimg_dir = native_sysroot = ""
 
     for line in bitbake_env_lines.split('\n'):
-        if (get_line_val(line, "IMAGE_ROOTFS")):
-            rootfs_dir = get_line_val(line, "IMAGE_ROOTFS")
+        if (misc.get_line_val(line, "IMAGE_ROOTFS")):
+            rootfs_dir = misc.get_line_val(line, "IMAGE_ROOTFS")
             continue
-        if (get_line_val(line, "DEPLOY_DIR_IMAGE")):
-            kernel_dir = get_line_val(line, "DEPLOY_DIR_IMAGE")
+        if (misc.get_line_val(line, "DEPLOY_DIR_IMAGE")):
+            kernel_dir = misc.get_line_val(line, "DEPLOY_DIR_IMAGE")
             continue
-        if (get_line_val(line, "STAGING_DIR_NATIVE")):
-            native_sysroot = get_line_val(line, "STAGING_DIR_NATIVE")
+        if (misc.get_line_val(line, "STAGING_DIR_NATIVE")):
+            native_sysroot = misc.get_line_val(line, "STAGING_DIR_NATIVE")
             continue
 
     return (rootfs_dir, kernel_dir, bootimg_dir, native_sysroot)
@@ -87,7 +87,7 @@ CANNED_IMAGE_DIR = "lib/image/canned-wks" # relative to scripts
 SCRIPTS_CANNED_IMAGE_DIR = "scripts/" + CANNED_IMAGE_DIR
 
 def build_canned_image_list(dl):
-    layers_path = get_bitbake_var("BBLAYERS")
+    layers_path = misc.get_bitbake_var("BBLAYERS")
     canned_wks_layer_dirs = []
 
     if layers_path is not None:

scripts/lib/wic/imager/direct.py

@@ -32,7 +32,6 @@ from wic.utils import fs_related, runner, misc
 from wic.utils.partitionedfs import Image
 from wic.utils.errors import CreatorError, ImageError
 from wic.imager.baseimager import BaseImageCreator
-from wic.utils.oe.misc import *
 from wic.plugin import pluginmgr
 
 disk_methods = {

scripts/lib/wic/plugin.py

@@ -20,7 +20,7 @@ import os, sys
 from wic import msger
 from wic import pluginbase
 from wic.utils import errors
-from wic.utils.oe.misc import *
+from wic.utils.oe.misc import get_bitbake_var
 
 __ALL__ = ['PluginMgr', 'pluginmgr']
 

scripts/lib/wic/plugins/source/bootimg-efi.py

@@ -29,13 +29,9 @@ import shutil
 
 from wic.utils.errors import ImageError
 from wic import kickstart, msger
-from wic.utils import misc, fs_related, errors, runner, cmdln
-from wic.conf import configmgr
-from wic.plugin import pluginmgr
-import wic.imager.direct as direct
 from wic.pluginbase import SourcePlugin
-from wic.utils.oe.misc import *
-from wic.imager.direct import DirectImageCreator
+from wic.utils.oe.misc import exec_cmd, exec_native_cmd, get_bitbake_var, \
+                              BOOTDD_EXTRA_SPACE
 
 class BootimgEFIPlugin(SourcePlugin):
     name = 'bootimg-efi'

scripts/lib/wic/plugins/source/bootimg-partition.py

@@ -28,7 +28,7 @@ import re
 
 from wic import msger
 from wic.pluginbase import SourcePlugin
-from wic.utils.oe.misc import *
+from wic.utils.oe.misc import exec_cmd, get_bitbake_var
 from glob import glob
 
 class BootimgPartitionPlugin(SourcePlugin):

scripts/lib/wic/plugins/source/bootimg-pcbios.py

@@ -28,13 +28,10 @@ import os
 
 from wic.utils.errors import ImageError
 from wic import kickstart, msger
-from wic.utils import misc, fs_related, errors, runner, cmdln
-from wic.conf import configmgr
-from wic.plugin import pluginmgr
-import wic.imager.direct as direct
+from wic.utils import runner
 from wic.pluginbase import SourcePlugin
-from wic.utils.oe.misc import *
-from wic.imager.direct import DirectImageCreator
+from wic.utils.oe.misc import exec_cmd, exec_native_cmd, \
+                              get_bitbake_var, BOOTDD_EXTRA_SPACE
 
 class BootimgPcbiosPlugin(SourcePlugin):
     name = 'bootimg-pcbios'

scripts/lib/wic/plugins/source/fsimage.py

@@ -19,7 +19,7 @@ import os
 
 from wic import msger
 from wic.pluginbase import SourcePlugin
-from wic.utils.oe.misc import *
+from wic.utils.oe.misc import get_bitbake_var
 
 class FSImagePlugin(SourcePlugin):
     name = 'fsimage'

scripts/lib/wic/plugins/source/rawcopy.py

@@ -19,7 +19,7 @@ import os
 
 from wic import msger
 from wic.pluginbase import SourcePlugin
-from wic.utils.oe.misc import *
+from wic.utils.oe.misc import exec_cmd, get_bitbake_var
 
 class RawCopyPlugin(SourcePlugin):
     name = 'rawcopy'

scripts/lib/wic/plugins/source/rootfs.py

@@ -27,14 +27,9 @@
 
 import os
 
-from wic import kickstart, msger
-from wic.utils import misc, fs_related, errors, runner, cmdln
-from wic.conf import configmgr
-from wic.plugin import pluginmgr
-import wic.imager.direct as direct
+from wic import msger
 from wic.pluginbase import SourcePlugin
-from wic.utils.oe.misc import *
-from wic.imager.direct import DirectImageCreator
+from wic.utils.oe.misc import find_bitbake_env_lines, find_artifact
 
 class RootfsPlugin(SourcePlugin):
     name = 'rootfs'

scripts/lib/wic/utils/fs_related.py

@@ -20,10 +20,7 @@ from __future__ import with_statement
 import os
 import errno
 
-from wic import msger
-from wic.utils import runner
-from wic.utils.errors import *
-from wic.utils.oe.misc import *
+from wic.utils.oe.misc import exec_cmd
 
 def makedirs(dirname):
     """A version of os.makedirs() that doesn't throw an

scripts/lib/wic/utils/partitionedfs.py

@@ -19,10 +19,8 @@
 # Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
 from wic import msger
-from wic.utils import runner
 from wic.utils.errors import ImageError
-from wic.utils.fs_related import *
-from wic.utils.oe.misc import *
+from wic.utils.oe.misc import exec_cmd, exec_native_cmd
 
 # Overhead of the MBR partitioning scheme (just one sector)
 MBR_OVERHEAD = 1