Fix determining the dpkg architecture
[auto-debuild.git] / auto_debuild.py
index 8dfdef58622bc0aef33379770ac2727c8bfcee4b..a5fb5bce00d7c61209d023a4662c47bf2228a56b 100755 (executable)
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/python3
 # auto-debuild - Automatic Generation of Debian Packages
 # Copyright (C) 2012 Ralf Jung <post@ralfj.de>
 #
@@ -16,7 +16,7 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 
-import os, shutil, stat, time, subprocess, sys, shlex, tempfile, argparse
+import os, shutil, stat, time, subprocess, sys, shlex, tempfile, argparse, multiprocessing
 from collections import OrderedDict
 
 # a dict with some useful additional getters which can convert types and handle one-element lists like their single member
@@ -101,22 +101,22 @@ class RulesFile:
                return res
 
        def write(self, f):
-               print >>f, "#!/usr/bin/make -f"
-               print >>f, ""
-               print >>f, ".PHONY: build" # there may be a directory called "build"
-               print >>f, ""
-               print >>f, "build %:" # need to mention "build" here again explicitly so PHONY takes effect
+               print("#!/usr/bin/make -f", file=f)
+               print(file=f)
+               print(".PHONY: build", file=f) # there may be a directory called "build"
+               print(file=f)
+               print("build %:", file=f) # need to mention "build" here again explicitly so PHONY takes effect
                # write proper dh call
                dh = self.dh
                if self.dhWith:
                        dh.append('--with='+','.join(self.dhWith))
-               print >>f, '\t'+self.env2str()+' dh $@ '+safeCall(*dh)
+               print('\t'+self.env2str()+' dh $@ '+safeCall(*dh), file=f)
                # write remaining rules
                for rule in self.rules:
-                       print >>f, ""
-                       print >>f, "override_dh_"+rule+":"
+                       print(file=f)
+                       print("override_dh_"+rule+":", file=f)
                        for line in self.rules[rule]:
-                               print >>f, "\t"+line
+                               print("\t"+line, file=f)
 
 # rule-makers
 def cmakeRules(r, config):
@@ -177,14 +177,14 @@ def commandInBuildEnv(config, command):
 
 def getArchitecture(config):
        cmd = commandInBuildEnv(config, ['dpkg-architecture', '-qDEB_HOST_ARCH'])
-       p = subprocess.Popen(cmd, stdout=subprocess.PIPE)
-       res = p.communicate()[0] # get only stdout
-       if p.returncode != 0: raise Exception("Querying dpkg for the architecture failed")
-       return res[0:len(res)-1] # chop of the \n at the end
+       with subprocess.Popen(cmd, stdout=subprocess.PIPE) as p:
+               res = p.communicate()[0] # get only stdout
+               if p.returncode != 0: raise Exception("Querying dpkg for the architecture failed")
+       return res.decode('utf-8').strip('\n') # chop of the \n at the end
 
 def writeDependency(f, name, list):
        if len(list):
-               print >>f, name+": "+', '.join(list)
+               print(name+": "+', '.join(list), file=f)
 
 def deleteDebianFolder():
        if os.path.islink('debian'):
@@ -209,7 +209,7 @@ def createDebianFiles(config):
        version = config.getstr('version') # version name excluding epoch (used for filenames)
        fullVersion = str(config.getint('epoch'))+':'+version if 'epoch' in config else version # version name including epoch
        dbgPackage = config.getbool('dbgPackage', False)
-       parallelJobs = config.getint('parallelJobs', 2)
+       parallelJobs = config.getint('parallelJobs', multiprocessing.cpu_count()+1)
        packageArchitecture = config.getstr('architecture', 'any')
        withPython2 = config.getbool('withPython2', False)
        withSIP = config.getbool('withSIP', False)
@@ -238,35 +238,35 @@ def createDebianFiles(config):
        # source format file
        os.mkdir('debian/source')
        with open('debian/source/format', 'w') as f:
-               print >>f, "3.0 (native)"
+               print("3.0 (native)", file=f)
        # compat file
        with open('debian/compat', 'w') as f:
-               print >>f, "9"
+               print("9", file=f)
        # copyright file
        with open('debian/copyright', 'w') as f:
-               print >>f, "Auto-generated by auto-debuild, not suited for distribution"
+               print("Auto-generated by auto-debuild, not suited for distribution", file=f)
        # changelog file
        with open('debian/changelog', 'w') as f:
-               print >>f, sourceName,"("+fullVersion+")","UNRELEASED; urgency=low"
-               print >>f, ""
-               print >>f, "  * Auto-generated by auto-debuild"
-               print >>f, ""
-               print >>f, " --",name,"<"+email+">  "+time.strftime('%a, %d %b %Y %H:%M:%S %z')
+               print(sourceName,"("+fullVersion+")","UNRELEASED; urgency=low", file=f)
+               print(file=f)
+               print("  * Auto-generated by auto-debuild", file=f)
+               print(file=f)
+               print(" --",name,"<"+email+">  "+time.strftime('%a, %d %b %Y %H:%M:%S %z'), file=f)
        # control file
        with open('debian/control', 'w') as f:
                # source package
-               print >>f, "Source:",sourceName
-               print >>f, "Section:",config.getstr('section', 'misc')
-               print >>f, "Priority: extra"
-               print >>f, "Maintainer: %s <%s>" % (name, email)
+               print("Source:",sourceName, file=f)
+               print("Section:",config.getstr('section', 'misc'), file=f)
+               print("Priority: extra", file=f)
+               print("Maintainer: %s <%s>" % (name, email), file=f)
                writeDependency(f, 'Build-Depends', ["debhelper (>= 9)"] + buildSystem.buildDepends + config.get('buildDepends', []))
-               print >>f, "Standards-Version: 3.9.3"
+               print("Standards-Version: 3.9.3", file=f)
                # main binary package
-               print >>f, ""
-               print >>f, "Package:",binaryName
-               print >>f, "Architecture:",packageArchitecture
+               print(file=f)
+               print("Package:",binaryName, file=f)
+               print("Architecture:",packageArchitecture, file=f)
                if 'binaryMultiArch' in config:
-                       print >>f, "Multi-Arch:",config.getstr('binaryMultiArch')
+                       print("Multi-Arch:",config.getstr('binaryMultiArch'), file=f)
                writeDependency(f, "Pre-Depends", ["${misc:Pre-Depends}"] + config.get('binaryPreDepends', []))
                writeDependency(f, "Depends", ["${shlibs:Depends}", "${misc:Depends}"] + buildSystem.binaryDepends +
                        config.get('binaryDepends', []))
@@ -275,63 +275,63 @@ def createDebianFiles(config):
                writeDependency(f, "Conflicts", config.get('binaryConflicts', []))
                writeDependency(f, "Breaks", config.get('binaryBreaks', []) + config.get('binaryBreaksReplaces', []))
                writeDependency(f, "Replaces", config.get('binaryReplaces', []) + config.get('binaryBreaksReplaces', []))
-               print >>f, "Description:",sourceName,"(auto-debuild)"
-               print >>f, " Package auto-generated by auto-debuild."
+               print("Description:",sourceName,"(auto-debuild)", file=f)
+               print(" Package auto-generated by auto-debuild.", file=f)
                files.append(os.path.join(debDir, "%s_%s_%s.deb" % (binaryName, version, arch)))
                # debug package
                if dbgPackage:
-                       print >>f, ""
-                       print >>f, "Package:",binaryName+"-dbg"
-                       print >>f, "Section: debug"
-                       print >>f, "Priority: extra"
-                       print >>f, "Architecture:",packageArchitecture
+                       print(file=f)
+                       print("Package:",binaryName+"-dbg", file=f)
+                       print("Section: debug", file=f)
+                       print("Priority: extra", file=f)
+                       print("Architecture:",packageArchitecture, file=f)
                        writeDependency(f, "Depends", ["${misc:Depends}", binaryName+" (= ${binary:Version})"])
-                       print >>f, "Description:",sourceName,"debug smbols (auto-debuild)"
-                       print >>f, " Package containing debug symbols for "+sourceName+", auto-generated by auto-debuild."
+                       print("Description:",sourceName,"debug smbols (auto-debuild)", file=f)
+                       print(" Package containing debug symbols for "+sourceName+", auto-generated by auto-debuild.", file=f)
                        files.append(os.path.join(debDir, "%s-dbg_%s_%s.deb" % (binaryName, version, arch)))
                # shim packages
                for shim in config.get('binaryShims', []):
-                       print >>f, ""
-                       print >>f, "Package:",shim
-                       print >>f, "Section:",config.getstr('section', 'misc')
-                       print >>f, "Priority: extra"
-                       print >>f, "Architecture:",packageArchitecture
+                       print(file=f)
+                       print("Package:",shim, file=f)
+                       print("Section:",config.getstr('section', 'misc'), file=f)
+                       print("Priority: extra", file=f)
+                       print("Architecture:",packageArchitecture, file=f)
                        writeDependency(f, "Depends", ["${misc:Depends}", binaryName+" (= ${binary:Version})"])
-                       print >>f, "Description:",sourceName,"shim for",shim,"(auto-debuild)"
-                       print >>f, " Package pretending to be "+shim+", auto-generated by auto-debuild."
+                       print("Description:",sourceName,"shim for",shim,"(auto-debuild)", file=f)
+                       print(" Package pretending to be "+shim+", auto-generated by auto-debuild.", file=f)
                        files.append(os.path.join(debDir, "%s_%s_%s.deb" % (shim, version, arch)))
        # install file
        with open('debian/'+binaryName+'.install', 'w') as f:
                for line in config.get('binaryInstallFiles', []):
                        if line.startswith('/'): # a file from within the package, not from the source tree
                                line = 'debian/'+binaryName+line
-                       print >>f, line
+                       print(line, file=f)
        # maintainer scripts for alternatives
        if 'alternatives' in config:
                with open('debian/'+binaryName+'.postinst', 'w') as f:
-                       print >>f, "#!/bin/sh"
-                       print >>f, "set -e"
-                       print >>f, 'if [ "$1" = "configure" ]; then'
+                       print("#!/bin/sh", file=f)
+                       print("set -e", file=f)
+                       print('if [ "$1" = "configure" ]; then', file=f)
                        for alternative in config.get('alternatives'):
                                alternative = shlex.split(alternative)
-                               print >>f, safeCall('update-alternatives', '--install', alternative[0], alternative[1], alternative[2], alternative[3])
-                       print >>f, 'fi'
-                       print >>f, ''
-                       print >>f, '#DEBHELPER#'
-                       print >>f, ''
-                       print >>f, 'exit 0'
+                               print(safeCall('update-alternatives', '--install', alternative[0], alternative[1], alternative[2], alternative[3]), file=f)
+                       print('fi', file=f)
+                       print(file=f)
+                       print('#DEBHELPER#', file=f)
+                       print(file=f)
+                       print('exit 0', file=f)
                with open('debian/'+binaryName+'.prerm', 'w') as f:
-                       print >>f, "#!/bin/sh"
-                       print >>f, "set -e"
-                       print >>f, 'if [ "$1" = "remove" ]; then'
+                       print("#!/bin/sh", file=f)
+                       print("set -e", file=f)
+                       print('if [ "$1" = "remove" ]; then', file=f)
                        for alternative in config.get('alternatives'):
                                alternative = shlex.split(alternative)
-                               print >>f, safeCall('update-alternatives', '--remove', alternative[1], alternative[2])
-                       print >>f, 'fi'
-                       print >>f, ''
-                       print >>f, '#DEBHELPER#'
-                       print >>f, ''
-                       print >>f, 'exit 0'
+                               print(safeCall('update-alternatives', '--remove', alternative[1], alternative[2]), file=f)
+                       print('fi', file=f)
+                       print(file=f)
+                       print('#DEBHELPER#', file=f)
+                       print(file=f)
+                       print('exit 0', file=f)
        # rules file: build system specific
        with open('debian/rules', 'w') as f:
                # pre-fill rule file with our global defaults
@@ -397,26 +397,26 @@ if __name__ == "__main__":
                config['waitAfterConfig'] = args.wait_after_config
                # generate debian files
                if os.path.exists('debian') or os.path.islink('debian'):
-                       if raw_input("A debian folder already exists, do you want to remove it and whatever it links to (y/N)? ").lower() != "y":
+                       if input("A debian folder already exists, do you want to remove it and whatever it links to (y/N)? ").lower() != "y":
                                sys.exit(1)
                        deleteDebianFolder()
                files = createDebianFiles(config)
                # 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)? " % file).lower() != "y":
+                               if input("Do you want to overwrite %s (y/N)? " % file).lower() != "y":
                                        sys.exit(1)
                # run compilation
                buildDebianPackage(config)
                # install files
-               print "Installing created deb files..."
+               print("Installing created deb files...")
                subprocess.check_call(['sudo', 'dpkg', '--install'] + files)
        except (subprocess.CalledProcessError, KeyboardInterrupt) as e: # for some exceptions, a stackrace is usually pointless
-               print >> sys.stderr
-               print >> sys.stderr
+               print(file=sys.stderr)
+               print(file=sys.stderr)
                if isinstance(e, KeyboardInterrupt): # str(e) would be the empty string
-                       print >> sys.stderr, "Interruped by user"
+                       print("Interruped by user", file=sys.stderr)
                else:
-                       print >> sys.stderr, "Error during package creation: %s" % str(e)
-               print >> sys.stderr
+                       print("Error during package creation: %s" % str(e), file=sys.stderr)
+               print(file=sys.stderr)
                sys.exit(1)