From 3960c6215e9549f7dc7c06e4f2e906acf820d2b5 Mon Sep 17 00:00:00 2001
From: Ralf Jung <post@ralfj.de>
Date: Tue, 17 Jul 2012 18:40:25 +0200
Subject: [PATCH] build a proper representation of the rules file beforde
 dumping it; avoid these annoying .pyc files

---
 auto_debuild.py | 69 +++++++++++++++++++++++++++++++------------------
 1 file changed, 44 insertions(+), 25 deletions(-)

diff --git a/auto_debuild.py b/auto_debuild.py
index 3a9deaf..f8ff641 100755
--- a/auto_debuild.py
+++ b/auto_debuild.py
@@ -1,5 +1,23 @@
 #!/usr/bin/python
 import os, stat, time, subprocess, sys
+from collections import OrderedDict
+
+class RulesFile:
+	def __init__(self):
+		self.buildOptions = ''
+		self.dh = []
+		self.rules = OrderedDict()
+	
+	def write(self, f):
+		print >>f, "#!/usr/bin/make -f"
+		print >>f, ""
+		print >>f, "%:"
+		print >>f, '\tDEB_BUILD_OPTIONS="'+self.buildOptions+'" dh $@',' '.join(self.dh)
+		for rule in self.rules:
+			print >>f, ""
+			print >>f, "override_dh_"+rule+":"
+			for line in self.rules[rule]:
+				print >>f, "\t"+line
 
 def getArchitecture():
 	p = subprocess.Popen(['dpkg-architecture', '-qDEB_BUILD_ARCH'], stdout=subprocess.PIPE)
@@ -8,17 +26,15 @@ def getArchitecture():
 	return res[0:len(res)-1] # chop of the \n at the end
 
 # build-system specific part of rules file
-def writeCmakeRulesFile(f, config):
-	print >>f, "%:"
-	print >>f, "\tdh $@ --buildsystem cmake --parallel --builddirectory=build.dir" # "build" is not a good idea, as that's also the name of a target...
-	print >>f, ""
-	print >>f, "override_dh_auto_configure:"
-	print >>f, "\tmkdir -p build.dir"
-	print >>f, "\tcd build.dir && cmake ..",' '.join(['-DCMAKE_INSTALL_PREFIX=/usr', '-DCMAKE_BUILD_TYPE=Release'] + config.get('cmakeParameters', []))
-	print >>f, ""
-	print >>f, "override_dh_auto_clean:"
-	print >>f, "	rm -f build.dir/CMakeCache.txt # clean old cmake cache"
-	print >>f, ""
+def cmakeRules(config):
+	r = RulesFile()
+	r.dh += ["--buildsystem=cmake", "--builddirectory=build.dir"] # dh parameters: "build" is not a good idea, as that's also the name of a target...
+	r.rules['auto_configure'] = [
+		'mkdir -p build.dir',
+		"cd build.dir && cmake .. "+' '.join(['-DCMAKE_INSTALL_PREFIX=/usr', '-DCMAKE_BUILD_TYPE=Release'] + config.get('cmakeParameters', []))
+	]
+	r.rules['auto_clean'] = ['rm -f build.dir/CMakeCache.txt'] # clean old cmake cache
+	return r
 
 def writeDebList(list):
 	return ', '.join(list)
@@ -69,25 +85,28 @@ def createDebianFiles(config):
 		files.append(os.path.join(debDir, "%s_%s_%s.deb" % (binaryName, version, arch)))
 	# rules file: build system specific
 	with open('debian/rules', 'w') as f:
-		print >>f, "#!/usr/bin/make -f"
-		print >>f, ""
+		# get rule file for build system
 		if buildSystem == 'cmake':
-			writeCmakeRulesFile(f, config)
+			r = cmakeRules(config)
 		else:
 			raise Exception("Invalid build system "+buildSystem)
-		print >>f, ""
-		print >>f, "override_dh_builddeb:" # put deb in other folder
-		print >>f, "\tdh_builddeb --destdir="+debDir
-		print >>f, "override_dh_auto_test:" # do not test
-		print >>f, ""
-		# overwrite: auto_config, auto_test, auto_clean, builddeb
+		# global rules
+		r.buildOptions = "parallel=2"
+		r.dh += ['--parallel']
+		if not 'builddeb' in r.rules:
+			r.rules['builddeb'] = ['dh_builddeb --destdir='+debDir] # passing this gobally to dh results in weird problems (like stuff being installed there, and not in the package...)
+		else:
+			print "WARNING: Build system messes with global rules"
+		if not 'auto_test' in r.rules: # unless the build system has something in mind for this
+			r.rules['auto_test'] = []
+		# dump it to a file
+		r.write(f)
 	mode = os.stat('debian/rules').st_mode
 	os.chmod('debian/rules', mode | stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH)
 	# return list of files affected
 	return files
 
 def buildDebianPackage():
-	os.putenv("DEB_BUILD_OPTIONS", "parallel=2")
 	subprocess.check_call(['dpkg-checkbuilddeps'])
 	subprocess.check_call(['debian/rules', 'clean'])
 	subprocess.check_call(['debian/rules', 'build'])
@@ -96,15 +115,15 @@ def buildDebianPackage():
 
 # if we are called directly as script
 if __name__ == "__main__":
-	import imp
 	# generate debian files
-	config = imp.load_source('config', 'debian/auto-debuild.py')
+	import imp
+	config = imp.load_source('config', 'debian/auto-debuild.conf')
+	os.remove('debian/auto-debuild.confc')
 	files = createDebianFiles(config.__dict__)
 	# check if a file is overwritten
 	for file in files:
 		if os.path.exists(file):
-			if raw_input("Do you want to overwrite %s (y/N)? \n" % file).lower() != "y":
+			if raw_input("Do you want to overwrite %s (y/N)? " % file).lower() != "y":
 				sys.exit(1)
 	# run compilation
 	buildDebianPackage()
-
-- 
2.30.2