[U-Boot] [RFC PATCH v2 1/2] kconfig: make multiconfig.py compatible with Python 2.4

[Masahiro Yamada]

The statements "with ... as ..." and "except ... as ..."
are available in Python 2.6 or lator.
Do not use them to support older version of Python.
Tested on Python 2.4.6.

Signed-off-by: Masahiro Yamada <yamada.m at jp.panasonic.com>
---

Changes in v2:
  - Fix git-description.  s/exception/except/

 scripts/multiconfig.py | 73 +++++++++++++++++++++++---------------------------
 1 file changed, 34 insertions(+), 39 deletions(-)

diff --git a/scripts/multiconfig.py b/scripts/multiconfig.py
index 749abcb..de5ec51 100755
--- a/scripts/multiconfig.py
+++ b/scripts/multiconfig.py
@@ -165,7 +165,7 @@ def mkdirs(*dirs):
     for d in dirs:
         try:
             os.makedirs(d)
-        except OSError as exception:
+        except OSError, exception:
             # Ignore 'File exists' error
             if exception.errno != errno.EEXIST:
                 raise
@@ -175,7 +175,7 @@ def rmfiles(*files):
     for f in files:
         try:
             os.remove(f)
-        except OSError as exception:
+        except OSError, exception:
             # Ignore 'No such file or directory' error
             if exception.errno != errno.ENOENT:
                 raise
@@ -187,7 +187,7 @@ def rmdirs(*dirs):
     for d in dirs:
         try:
             os.rmdir(d)
-        except OSError as exception:
+        except OSError, exception:
             # Ignore 'No such file or directory'
             # and 'Directory not empty' error
             if exception.errno != errno.ENOENT and \
@@ -253,15 +253,14 @@ def get_enabled_subimages(ignore_error=False):
                                                         for img in SUB_IMAGES ]
     try:
         f = open(KCONFIG_CONFIG)
-    except IOError as exception:
+    except IOError, exception:
         if not ignore_error or exception.errno != errno.ENOENT:
             raise
         return enabled
-    with f:
-        for line in f:
-            for img, pattern in match_patterns:
-                if line == pattern:
-                    enabled += (img,)
+    for line in f:
+        for img, pattern in match_patterns:
+            if line == pattern:
+                enabled += (img,)
     return enabled
 
 def do_silentoldconfig(cmd):
@@ -307,8 +306,7 @@ def do_tmp_defconfig(output_lines, img):
     TMP_DIRS = ('arch', 'configs')
     defconfig_path = os.path.join('configs', TMP_DEFCONFIG)
     mkdirs(*TMP_DIRS)
-    with open(defconfig_path, 'w') as f:
-        f.write(''.join(output_lines[img]))
+    open(defconfig_path, 'w').write(''.join(output_lines[img]))
     cleanup = lambda: (rmfiles(defconfig_path), rmdirs(*TMP_DIRS))
     run_make_config(TMP_DEFCONFIG, img, cleanup)
     cleanup()
@@ -321,15 +319,14 @@ def do_board_defconfig(cmd):
     """
     defconfig_path = os.path.join(srctree, 'configs', cmd)
     output_lines = dict([ (img, []) for img in IMAGES ])
-    with open(defconfig_path) as f:
-        for line in f:
-            m = PATTERN_SYMBOL.match(line)
-            if m:
-                for idx, img in enumerate(IMAGES):
-                    if m.group(idx + 1):
-                        output_lines[img].append(m.group(4) + '\n')
-                continue
-            output_lines[''].append(line)
+    for line in open(defconfig_path):
+        m = PATTERN_SYMBOL.match(line)
+        if m:
+            for idx, img in enumerate(IMAGES):
+                if m.group(idx + 1):
+                    output_lines[img].append(m.group(4) + '\n')
+            continue
+        output_lines[''].append(line)
     do_tmp_defconfig(output_lines, '')
     for img in get_enabled_subimages():
         do_tmp_defconfig(output_lines, img)
@@ -356,29 +353,27 @@ def do_savedefconfig(cmd):
     run_make_config(cmd, '')
     output_lines = []
     prefix = {}
-    with open(DEFCONFIG) as f:
-        for line in f:
-            output_lines.append(line)
-            prefix[line] = '+'
+    for line in open(DEFCONFIG):
+        output_lines.append(line)
+        prefix[line] = '+'
     for img in subimages:
         run_make_config(cmd, img)
         unmatched_lines = []
-        with open(DEFCONFIG) as f:
-            for line in f:
-                if line in output_lines:
-                    index = output_lines.index(line)
-                    output_lines[index:index] = unmatched_lines
-                    unmatched_lines = []
-                    prefix[line] += SYMBOL_MAP[img]
-                else:
-                    ummatched_lines.append(line)
-                    prefix[line] = SYMBOL_MAP[img]
-    with open(DEFCONFIG, 'w') as f:
-        for line in output_lines:
-            if prefix[line] == '+':
-                f.write(line)
+        for line in open(DEFCONFIG):
+            if line in output_lines:
+                index = output_lines.index(line)
+                output_lines[index:index] = unmatched_lines
+                unmatched_lines = []
+                prefix[line] += SYMBOL_MAP[img]
             else:
-                f.write(prefix[line] + ':' + line)
+                ummatched_lines.append(line)
+                prefix[line] = SYMBOL_MAP[img]
+    f = open(DEFCONFIG, 'w')
+    for line in output_lines:
+        if prefix[line] == '+':
+            f.write(line)
+        else:
+            f.write(prefix[line] + ':' + line)
 
 def do_others(cmd):
     """Run the make command other than 'silentoldconfig', 'defconfig',
-- 
1.9.1