auto_debuild.py

   1 #!/usr/bin/python
   2 import os, stat, time, subprocess, sys
   3 from collections import OrderedDict
   4
   5 class RulesFile:
   6         def __init__(self):
   7                 self.buildOptions = ''
   8                 self.dh = []
   9                 self.rules = OrderedDict()
  10
  11         def write(self, f):
  12                 print >>f, "#!/usr/bin/make -f"
  13                 print >>f, ""
  14                 print >>f, "%:"
  15                 print >>f, '\tDEB_BUILD_OPTIONS="'+self.buildOptions+'" dh $@',' '.join(self.dh)
  16                 for rule in self.rules:
  17                         print >>f, ""
  18                         print >>f, "override_dh_"+rule+":"
  19                         for line in self.rules[rule]:
  20                                 print >>f, "\t"+line
  21
  22 def getArchitecture():
  23         p = subprocess.Popen(['dpkg-architecture', '-qDEB_BUILD_ARCH'], stdout=subprocess.PIPE)
  24         res = p.communicate()[0] # get only stdout
  25         if p.returncode != 0: raise Exception("Querying dpkg for the architecture failed")
  26         return res[0:len(res)-1] # chop of the \n at the end
  27
  28 # build-system specific part of rules file
  29 def cmakeRules(config):
  30         r = RulesFile()
  31         r.dh += ["--buildsystem=cmake", "--builddirectory=build.dir"] # dh parameters: "build" is not a good idea, as that's also the name of a target...
  32         r.rules['auto_configure'] = [
  33                 'mkdir -p build.dir',
  34                 "cd build.dir && cmake .. "+' '.join(['-DCMAKE_INSTALL_PREFIX=/usr', '-DCMAKE_BUILD_TYPE=Release'] + config.get('cmakeParameters', []))
  35         ]
  36         r.rules['auto_clean'] = ['rm -f build.dir/CMakeCache.txt'] # clean old cmake cache
  37         return r
  38
  39 def writeDebList(list):
  40         return ', '.join(list)
  41
  42 def createDebianFiles(config):
  43         sourceName = config['sourceName']
  44         binaryName = config.get('binaryName', sourceName+'-local')
  45         name = config.get('name', os.getlogin())
  46         email = config.get('email', os.getlogin()+'@'+os.uname()[1])
  47         debDir = os.path.expanduser(config['debDir'])
  48         buildSystem = config['buildSystem']
  49         version = config['version']
  50         # we return the list of files generated
  51         arch = getArchitecture()
  52         files = []
  53         # source format file
  54         if not os.path.exists('debian/source'): os.mkdir('debian/source')
  55         with open('debian/source/format', 'w') as f:
  56                 print >>f, "3.0 (native)"
  57         # compat file
  58         with open('debian/compat', 'w') as f:
  59                 print >>f, "9"
  60         # copyright file
  61         with open('debian/copyright', 'w') as f:
  62                 print >>f, "Auto-generated by auto-debuild, not suited for distribution"
  63         # changelog file
  64         with open('debian/changelog', 'w') as f:
  65                 print >>f, sourceName,"("+version+")","UNRELEASED; urgency=low"
  66                 print >>f, ""
  67                 print >>f, "  * Auto-generated by auto-debuild"
  68                 print >>f, ""
  69                 print >>f, " --",name,"<"+email+">  "+time.strftime('%a, %d %b %Y %H:%M:%S %z')
  70         # control file
  71         with open('debian/control', 'w') as f:
  72                 print >>f, "Source:",sourceName
  73                 print >>f, "Section:",config.get('section', 'misc')
  74                 print >>f, "Priority: extra"
  75                 print >>f, "Maintainer: %s <%s>" % (name, email)
  76                 print >>f, "Build-Depends:",writeDebList(["debhelper (>= 9)"] + config.get('buildDepends', []))
  77                 print >>f, "Standards-Version: 3.9.3"
  78                 print >>f, ""
  79                 print >>f, "Package:",binaryName
  80                 print >>f, "Architecture:",config.get('architecture', 'any')
  81                 print >>f, "Depends:",writeDebList(["${shlibs:Depends}", "${misc:Depends}"] + config.get('binaryDepends', []))
  82                 print >>f, "Provides:",writeDebList(config.get('binaryProvides', [sourceName]))
  83                 print >>f, "Description:",sourceName,"(auto-debuild)"
  84                 print >>f, " Package auto-generated by auto-debuild"
  85                 files.append(os.path.join(debDir, "%s_%s_%s.deb" % (binaryName, version, arch)))
  86         # rules file: build system specific
  87         with open('debian/rules', 'w') as f:
  88                 # get rule file for build system
  89                 if buildSystem == 'cmake':
  90                         r = cmakeRules(config)
  91                 else:
  92                         raise Exception("Invalid build system "+buildSystem)
  93                 # global rules
  94                 r.buildOptions = "parallel=2"
  95                 r.dh += ['--parallel']
  96                 if not 'builddeb' in r.rules:
  97                         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...)
  98                 else:
  99                         print "WARNING: Build system messes with global rules"
 100                 if not 'auto_test' in r.rules: # unless the build system has something in mind for this
 101                         r.rules['auto_test'] = []
 102                 # dump it to a file
 103                 r.write(f)
 104         mode = os.stat('debian/rules').st_mode
 105         os.chmod('debian/rules', mode | stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH)
 106         # return list of files affected
 107         return files
 108
 109 def buildDebianPackage():
 110         subprocess.check_call(['dpkg-checkbuilddeps'])
 111         subprocess.check_call(['debian/rules', 'clean'])
 112         subprocess.check_call(['debian/rules', 'build'])
 113         subprocess.check_call(['fakeroot', 'debian/rules', 'binary'])
 114         subprocess.check_call(['debian/rules', 'clean'])
 115
 116 # if we are called directly as script
 117 if __name__ == "__main__":
 118         # generate debian files
 119         import imp
 120         config = imp.load_source('config', 'debian/auto-debuild.conf')
 121         os.remove('debian/auto-debuild.confc')
 122         files = createDebianFiles(config.__dict__)
 123         # check if a file is overwritten
 124         for file in files:
 125                 if os.path.exists(file):
 126                         if raw_input("Do you want to overwrite %s (y/N)? " % file).lower() != "y":
 127                                 sys.exit(1)
 128         # run compilation
 129         buildDebianPackage()