From fec33a6a41d980a5cc0b759cf7eba157f9f1442f Mon Sep 17 00:00:00 2001
From: Benjamin Drung <bdrung@ubuntu.com>
Date: Thu, 23 Dec 2010 17:18:42 +0100
Subject: [PATCH] wrap-and-sort: Split Control into separate Python file.

---
 debian/copyright       |  4 ++--
 ubuntutools/control.py | 54 ++++++++++++++++++++++++++++++++++++++++++
 wrap-and-sort          | 27 +++++----------------
 3 files changed, 62 insertions(+), 23 deletions(-)
 create mode 100644 ubuntutools/control.py

diff --git a/debian/copyright b/debian/copyright
index c3bb8b3..45f4cea 100644
--- a/debian/copyright
+++ b/debian/copyright
@@ -188,13 +188,13 @@ Files: doc/sponsor-patch.1,
        suspicious-source,
        ubuntutools/builder.py,
        ubuntutools/config.py,
+       ubuntutools/control.py,
        ubuntutools/logger.py,
        ubuntutools/question.py,
        ubuntutools/sponsor_patch/*,
        ubuntutools/test/*,
        wrap-and-sort
-Copyright:
-           2010, Benjamin Drung <bdrung@ubuntu.com>
+Copyright: 2010, Benjamin Drung <bdrung@ubuntu.com>
            2010, Evan Broder <evan@ebroder.net>
            2010, Stefano Rivera <stefanor@ubuntu.com>
 License: ISC
diff --git a/ubuntutools/control.py b/ubuntutools/control.py
new file mode 100644
index 0000000..6908335
--- /dev/null
+++ b/ubuntutools/control.py
@@ -0,0 +1,54 @@
+#
+# control.py - Represents a debian/control file
+#
+# Copyright (C) 2010, Benjamin Drung <bdrung@ubuntu.com>
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+import os
+
+import debian.deb822
+
+class Control(object):
+    """Represents a debian/control file"""
+
+    def __init__(self, filename):
+        assert os.path.isfile(filename), "%s does not exist." % (filename)
+        self.filename = filename
+        sequence = open(filename)
+        self.paragraphs = list()
+        for paragraph in debian.deb822.Deb822.iter_paragraphs(sequence):
+            self.paragraphs.append(paragraph)
+
+    def get_source_paragraph(self):
+        """Returns the source paragraph of the control file."""
+        if self.paragraphs:
+            return self.paragraphs[0]
+        else:
+            return None
+
+    def save(self, filename=None):
+        """Saves the control file."""
+        if filename:
+            self.filename = filename
+        content = u"\n".join([x.dump() for x in self.paragraphs])
+        control_file = open(self.filename, "w")
+        control_file.write(content.encode("utf-8"))
+        control_file.close()
+
+    def strip_trailing_spaces(self):
+        """Strips all trailing spaces from the control file."""
+        for paragraph in self.paragraphs:
+            for item in paragraph:
+                lines = paragraph[item].split("\n")
+                paragraph[item] = "\n".join([l.rstrip() for l in lines])
diff --git a/wrap-and-sort b/wrap-and-sort
index e4a7d30..3312f7b 100755
--- a/wrap-and-sort
+++ b/wrap-and-sort
@@ -15,13 +15,14 @@
 # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
-import debian.deb822
 import glob
 import optparse
 import os
 import os.path
 import sys
 
+from ubuntutools.control import Control
+
 CONTROL_LIST_FIELDS = (
     "Breaks",
     "Build-Depends",
@@ -36,25 +37,7 @@ CONTROL_LIST_FIELDS = (
     "Xb-Npp-MimeType",
 )
 
-class Control(object):
-    def __init__(self, filename, cleanup):
-        assert os.path.isfile(filename), "%s does not exist." % (filename)
-        self.filename = filename
-        sequence = open(filename)
-        if cleanup:
-            sequence = [l.rstrip() for l in sequence.readlines()]
-        self.paragraphs = list()
-        for paragraph in debian.deb822.Deb822.iter_paragraphs(sequence):
-            self.paragraphs.append(paragraph)
-
-    def save(self, filename=None):
-        if filename:
-            self.filename = filename
-        content = u"\n".join([x.dump() for x in self.paragraphs])
-        f = open(self.filename, "w")
-        f.write(content.encode("utf-8"))
-        f.close()
-
+class WrapAndSortControl(Control):
     def wrap_and_sort(self, wrap_always, short_indent, sort_paragraphs,
                       keep_first):
         for paragraph in self.paragraphs:
@@ -145,7 +128,9 @@ def main(options):
     for control_file in control_files:
         if options.verbose:
             print control_file
-        control = Control(control_file, options.cleanup)
+        control = WrapAndSortControl(control_file)
+        if options.cleanup:
+            control.strip_trailing_spaces()
         control.wrap_and_sort(options.wrap_always, options.short_indent,
                               options.sort_binary_packages, options.keep_first)
         control.save()