add package with debug symbols

.gitignore

@@ -1,9 +1,11 @@
 amalgamation
 build
 *.pyc
+.pybuild/
 dist/
 MANIFEST
 debian/python-sqlcipher
+debian/python-sqlcipher-dbg
 debian/*.log
 debian/files
 debian/*.substvars

debian/control

@@ -3,7 +3,7 @@ Maintainer: Ben Carrillo <[email protected]>
 Section: python
 Priority: optional
 Build-Depends: python-all-dev (>= 2.6.6-3), libsqlcipher-dev (>=2.2.1-2~), debhelper (>= 9)
-Standards-Version: 3.9.4
+Standards-Version: 3.9.6
 Uploaders: Micah Anderson <[email protected]>
 X-Python-Version: >= 2.5
 
@@ -17,3 +17,14 @@ Description: DB-API 2.0 interface for SQLCIPHER 3.x
  database engine. It is almost fully compliant with the Python database API
  version 2.0. At the same time, it also exposes the unique features of
  SQLCipher.
+
+Package: python-sqlcipher-dbg
+Section: debug
+Priority: extra
+Architecture: any
+Depends: python-dbg, python-sqlcipher, libsqlcipher0 (>=2.2.1-2),
+ ${misc:Depends}, ${python:Depends}, ${shlibs:Depends}
+Description: DB-API 2.0 interface for SQLCIPHER 3.x
+ Python interface to SQLCipher (debug extension)
+ .
+ This package contains the extensions built for the python debug interpreter.

debian/rules

@@ -5,16 +5,31 @@
 # Prevent setuptools/distribute from accessing the internet.
 export http_proxy = http://127.0.0.1:9
 
+PACKAGE=python-sqlcipher
+
 %:
 	dh $@ --with python2 --buildsystem=python_distutils
 
 override_dh_auto_build:
-	python$* setup.py build_sqlcipher
+	python$* setup.py build_with_system_sqlcipher
 	python$* setup.py build_py
 
+	export DEBUG_MODE=1 && export DEB_CFLAGS_MAINT_APPEND=-O0 && python$*-dbg setup.py build_with_system_sqlcipher
+	export DEBUG_MODE=1 && export DEB_CFLAGS_MAINT_APPEND=-O0 && python$*-dbg setup.py build_py
+
 override_dh_auto_install:
 	python$* setup.py install --skip-build --root=debian/python-sqlcipher \
 		--install-layout=deb
+	python$*-dbg setup.py install --skip-build --root=debian/python-sqlcipher-dbg \
+		--install-layout=deb
+
+override_dh_installdocs:
+	dh_installdocs
+	rm -rf debian/$(PACKAGE)-dbg/usr/share/doc/$(PACKAGE)-dbg
+	ln -s $(PACKAGE) debian/$(PACKAGE)-dbg/usr/share/doc/$(PACKAGE)-dbg                                                                                                          
+
+override_dh_strip:
+	dh_strip --dbg-package=$(PACKAGE)-dbg
 
 override_dh_python2:
 	dh_python2 --no-guessing-versions

setup.py

@@ -141,15 +141,37 @@ def __init__(self, *args, **kwargs):
         build.__init__(self, *args, **kwargs)
 
 
+DEBUG_MODE = os.environ.get("DEBUG_MODE", False)
+
+
 class LibSQLCipherBuilder(build_ext):
 
     description = ("Build C extension linking against libsqlcipher library.")
 
     def build_extension(self, ext):
+        if DEBUG_MODE:
+            self.__remove_compiler_option("-O2")
+            self.__remove_compiler_option("-O1")
+
         ext.extra_compile_args.append("-I/usr/include/sqlcipher/")
         ext.extra_link_args.append("-lsqlcipher")
         build_ext.build_extension(self, ext)
 
+    def __remove_compiler_option(self, option):
+        """
+        Remove the specified compiler option.
+
+        Return true if the option was found.  Return false otherwise.
+        """
+        found = 0
+        for attrname in ('compiler', 'compiler_so'):
+            compiler = getattr(self.compiler, attrname, None)
+            if compiler is not None:
+                while option in compiler:
+                    compiler.remove(option)
+                    found += 1
+        return found
+
 
 class MyBuildExt(build_ext):
     amalgamation = True  # We want amalgamation on the default build for now
@@ -353,7 +375,7 @@ def get_setup_args():
         {"build_docs": DocBuilder,
          "build_ext": MyBuildExt,
          "build_static": AmalgamationBuilder,
-         "build_sqlcipher": LibSQLCipherBuilder,
+         "build_with_system_sqlcipher": LibSQLCipherBuilder,
          "cross_bdist_wininst": cross_bdist_wininst.bdist_wininst})
     return setup_args