auto_debuild.py

   1 #!/usr/bin/python
   2 import os, stat, time, subprocess, sys
   3
   4 def getArchitecture():
   5         p = subprocess.Popen(['dpkg-architecture', '-qDEB_BUILD_ARCH'], stdout=subprocess.PIPE)
   6         res = p.communicate()[0] # get only stdout
   7         if p.returncode != 0: raise Exception("Querying dpkg for the architecture failed")
   8         return res[0:len(res)-1] # chop of the \n at the end
   9
  10 # build-system specific part of rules file
  11 def writeCmakeRulesFile(f, config):
  12         print >>f, "%:"
  13         print >>f, "\tdh $@ --buildsystem cmake --parallel --builddirectory=build.dir" # "build" is not a good idea, as that's also the name of a target...
  14         print >>f, ""
  15         print >>f, "override_dh_auto_configure:"
  16         print >>f, "\tmkdir -p build.dir"
  17         print >>f, "\tcd build.dir && cmake ..",' '.join(['-DCMAKE_INSTALL_PREFIX=/usr', '-DCMAKE_BUILD_TYPE=Release'] + config.get('cmakeParameters', []))
  18         print >>f, ""
  19         print >>f, "override_dh_auto_clean:"
  20         print >>f, "    rm -f build.dir/CMakeCache.txt # clean old cmake cache"
  21         print >>f, ""
  22
  23 def writeDebList(list):
  24         return ', '.join(list)
  25
  26 def createDebianFiles(config):
  27         sourceName = config['sourceName']
  28         binaryName = config.get('binaryName', sourceName+'-local')
  29         name = config.get('name', os.getlogin())
  30         email = config.get('email', os.getlogin()+'@'+os.uname()[1])
  31         debDir = os.path.expanduser(config['debDir'])
  32         buildSystem = config['buildSystem']
  33         version = config['version']
  34         # we return the list of files generated
  35         arch = getArchitecture()
  36         files = []
  37         # source format file
  38         if not os.path.exists('debian/source'): os.mkdir('debian/source')
  39         with open('debian/source/format', 'w') as f:
  40                 print >>f, "3.0 (native)"
  41         # compat file
  42         with open('debian/compat', 'w') as f:
  43                 print >>f, "9"
  44         # copyright file
  45         with open('debian/copyright', 'w') as f:
  46                 print >>f, "Auto-generated by auto-debuild, not suited for distribution"
  47         # changelog file
  48         with open('debian/changelog', 'w') as f:
  49                 print >>f, sourceName,"("+version+")","UNRELEASED; urgency=low"
  50                 print >>f, ""
  51                 print >>f, "  * Auto-generated by auto-debuild"
  52                 print >>f, ""
  53                 print >>f, " --",name,"<"+email+">  "+time.strftime('%a, %d %b %Y %H:%M:%S %z')
  54         # control file
  55         with open('debian/control', 'w') as f:
  56                 print >>f, "Source:",sourceName
  57                 print >>f, "Section:",config.get('section', 'misc')
  58                 print >>f, "Priority: extra"
  59                 print >>f, "Maintainer: %s <%s>" % (name, email)
  60                 print >>f, "Build-Depends:",writeDebList(["debhelper (>= 9)"] + config.get('buildDepends', []))
  61                 print >>f, "Standards-Version: 3.9.3"
  62                 print >>f, ""
  63                 print >>f, "Package:",binaryName
  64                 print >>f, "Architecture:",config.get('architecture', 'any')
  65                 print >>f, "Depends:",writeDebList(["${shlibs:Depends}", "${misc:Depends}"] + config.get('binaryDepends', []))
  66                 print >>f, "Provides:",writeDebList(config.get('binaryProvides', [sourceName]))
  67                 print >>f, "Description:",sourceName,"(auto-debuild)"
  68                 print >>f, " Package auto-generated by auto-debuild"
  69                 files.append(os.path.join(debDir, "%s_%s_%s.deb" % (binaryName, version, arch)))
  70         # rules file: build system specific
  71         with open('debian/rules', 'w') as f:
  72                 print >>f, "#!/usr/bin/make -f"
  73                 print >>f, ""
  74                 if buildSystem == 'cmake':
  75                         writeCmakeRulesFile(f, config)
  76                 else:
  77                         raise Exception("Invalid build system "+buildSystem)
  78                 print >>f, ""
  79                 print >>f, "override_dh_builddeb:" # put deb in other folder
  80                 print >>f, "\tdh_builddeb --destdir="+debDir
  81                 print >>f, "override_dh_auto_test:" # do not test
  82                 print >>f, ""
  83                 # overwrite: auto_config, auto_test, auto_clean, builddeb
  84         mode = os.stat('debian/rules').st_mode
  85         os.chmod('debian/rules', mode | stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH)
  86         # return list of files affected
  87         return files
  88
  89 def buildDebianPackage():
  90         os.putenv("DEB_BUILD_OPTIONS", "parallel=2")
  91         subprocess.check_call(['dpkg-checkbuilddeps'])
  92         subprocess.check_call(['debian/rules', 'clean'])
  93         subprocess.check_call(['debian/rules', 'build'])
  94         subprocess.check_call(['fakeroot', 'debian/rules', 'binary'])
  95         subprocess.check_call(['debian/rules', 'clean'])
  96
  97 # if we are called directly as script
  98 if __name__ == "__main__":
  99         import imp
 100         # generate debian files
 101         config = imp.load_source('config', 'debian/auto-debuild.py')
 102         files = createDebianFiles(config.__dict__)
 103         # check if a file is overwritten
 104         for file in files:
 105                 if os.path.exists(file):
 106                         if raw_input("Do you want to overwrite %s (y/N)? \n" % file).lower() != "y":
 107                                 sys.exit(1)
 108         # run compilation
 109         buildDebianPackage()
 110