From: Ralf Jung Date: Fri, 5 Oct 2012 12:39:30 +0000 (+0200) Subject: use a little configfile-parser instead of running it as python script X-Git-Url: https://git.ralfj.de/auto-debuild.git/commitdiff_plain/b36b79c329864a4681e9339d8b92f950800b4b79?ds=sidebyside use a little configfile-parser instead of running it as python script --- diff --git a/auto_debuild.py b/auto_debuild.py index eb0f1cd..b921d7c 100755 --- a/auto_debuild.py +++ b/auto_debuild.py @@ -2,7 +2,23 @@ import os, shutil, stat, time, subprocess, sys from collections import OrderedDict -# some utility functions +# a dict with some useful additional getters +class AdvancedDict(dict): + def getstr(self, name, default = None): + if not name in self: return default + val = self[name] + if len(val) != 1: raise Exception('%s is a list, but it should not' % name) + return val[0] + + def getint(self, name, default = None): + return int(self.getstr(name, default)) + + def getbool(self, name, default = None): + val = self.getstr(name, default) + if isinstance(val, bool): return val # already a bool + return val.lower() in ('true', 'yes', 'on', '1') + +# create a safe-to-call shell command from the array def safeCall(*args): res = "" for arg in args: @@ -11,6 +27,32 @@ def safeCall(*args): res += "'"+arg+"'" return res +# Load a section-less config file: maps parameter names to strings or lists of strings (which are comma-separated or in separate lines) +# Lines starting with spaces are continuation lines +def loadConfigFile(file): + import shlex + # read config file + with open(file) as file: + result = AdvancedDict() + curKey = None + for line in file: + isCont = len(line) and line[0].isspace() # remember if we were a continuation line + if isCont and curKey is None: + raise Exception("Invalid config: Starting with continuation line") + line = line.strip() + if not len(line) or line.startswith("#"): continue # skip empty and comment lines + if isCont: + # continuation line + result[curKey].append(shlex.split(line)) + else: + # option line + pos = line.index("=") # will raise exception when substring is not found + curKey = line[:pos].strip() + value = line[pos+1:] + result[curKey] = shlex.split(value) + # add some convencience get functions + return result + # representation of a build system class BuildSystem: def __init__(self, ruleMaker, buildDepends = [], binaryDepends = []): @@ -55,7 +97,7 @@ class RulesFile: # rule-makers def cmakeRules(config): - buildDir = config.get('buildDir', 'build') + buildDir = config.getstr('buildDir', 'build') srcDir = os.getcwd() r = RulesFile() r.dh += ["--buildsystem=cmake", "--builddirectory="+buildDir] # dh parameters @@ -104,7 +146,7 @@ buildSystems = { # utility functions def commandInBuildEnv(config, command): - schroot = config.get('schroot') + schroot = config.getstr('schroot') if schroot is not None: command = ['schroot', '-c', schroot, '--'] + command return command @@ -121,17 +163,17 @@ def writeDependency(f, name, list): # actual work functions def createDebianFiles(config): - sourceName = config['sourceName'] - binaryName = config.get('binaryName', sourceName+'-local') - name = config.get('name', os.getenv('USER')) # os.getlogin() fails in minimal chroots - email = config.get('email', os.getenv('USER')+'@'+os.uname()[1]) # user@hostname - debDir = os.path.expanduser(config['debDir']) - buildSystem = buildSystems[config['buildSystem']] # get the data immediately - version = config['version'] - dbgPackage = config.get('dbgPackage', False) - parallelJobs = int(config.get('parallelJobs', 2)) - packageArchitecture = config.get('architecture', 'any') - withPython2 = config.get('withPython2', False) + sourceName = config.getstr('sourceName') + binaryName = config.getstr('binaryName', sourceName+'-local') + name = config.getstr('name', os.getenv('USER')) # os.getlogin() fails in minimal chroots + email = config.getstr('email', os.getenv('USER')+'@'+os.uname()[1]) # user@hostname + debDir = os.path.expanduser(config.getstr('debDir')) + buildSystem = buildSystems[config.getstr('buildSystem')] # get the data immediately + version = config.getstr('version') + dbgPackage = config.getbool('dbgPackage', False) + parallelJobs = config.getint('parallelJobs', 2) + packageArchitecture = config.getstr('architecture', 'any') + withPython2 = config.getbool('withPython2', False) if withPython2: buildSystem.binaryDepends.append("${python:Depends}") # HACK, but it works: make sure dependencies on binary are added # we return the list of files generated, so we need to know the architecture @@ -161,7 +203,7 @@ def createDebianFiles(config): # control file with open('debian/control', 'w') as f: print >>f, "Source:",sourceName - print >>f, "Section:",config.get('section', 'misc') + print >>f, "Section:",config.getstr('section', 'misc') print >>f, "Priority: extra" print >>f, "Maintainer: %s <%s>" % (name, email) writeDependency(f, 'Build-Depends', ["debhelper (>= 9)"] + buildSystem.buildDepends + config.get('buildDepends', [])) @@ -170,7 +212,7 @@ def createDebianFiles(config): print >>f, "Package:",binaryName print >>f, "Architecture:",packageArchitecture if 'binaryMultiArch' in config: - print >>f, "Multi-Arch:",config['binaryMultiArch'] + print >>f, "Multi-Arch:",config.getstr('binaryMultiArch') writeDependency(f, "Pre-Depends", ["${misc:Pre-Depends}"] + config.get('binaryPreDepends', [])) writeDependency(f, "Depends", ["${shlibs:Depends}", "${misc:Depends}"] + buildSystem.binaryDepends + config.get('binaryDepends', [])) @@ -204,7 +246,7 @@ def createDebianFiles(config): print >>f, "#!/bin/sh" print >>f, "set -e" print >>f, 'if [ "$1" = "configure" ]; then' - for alternative in config['alternatives']: + for alternative in config.get('alternatives'): print >>f, safeCall('update-alternatives', '--install', alternative['link'], alternative['name'], alternative['target'], str(alternative['priority'])) print >>f, 'fi' @@ -216,7 +258,7 @@ def createDebianFiles(config): print >>f, "#!/bin/sh" print >>f, "set -e" print >>f, 'if [ "$1" = "remove" ]; then' - for alternative in config['alternatives']: + for alternative in config.get('alternatives'): print >>f, safeCall('update-alternatives', '--remove', alternative['name'], alternative['target']) print >>f, 'fi' print >>f, '' @@ -243,13 +285,13 @@ def createDebianFiles(config): r.rules['auto_install'] = [safeCall('dh_auto_install', '--destdir=debian/'+binaryName)] # install everything into the binary package if 'binarySkipFiles' in config: r.rules['auto_install'].append(safeCall('cd', 'debian/'+binaryName) + " && " + - safeCall('rm', *config['binarySkipFiles'])) + safeCall('rm', *config.get('binarySkipFiles'))) # for debug packages if dbgPackage: r.rules['strip'] = [safeCall('dh_strip', '--dbg-package='+binaryName+"-dbg")] # put debug files in appropriate package r.rules['installdocs'] = [safeCall('dh_installdocs', '--link-doc='+binaryName)] # make the doc folder of the dbg package a symlink # wait after configuration? - if config.get('waitAfterConfig', False): + if config.getbool('waitAfterConfig', False): if not 'auto_configure' in r.rules: r.rules['auto_configure'] = ['dh_auto_configure'] # make sure there is an override r.rules['auto_configure'].append("@"+safeCall('read', '-p', 'Configuration done. Hit "Enter" to build the package. ', 'DUMMY_VAR')) # if we run in dash, we need to tell it which variable to use for the result... # dump it to a file @@ -269,10 +311,8 @@ def buildDebianPackage(config): # if we are called directly as script if __name__ == "__main__": try: - import imp # get config - config = imp.load_source('config', 'auto-debuild.conf').__dict__ - os.remove('auto-debuild.confc') + config = loadConfigFile('auto-debuild.conf') # generate debian files if os.path.exists('debian'): if raw_input("A debian folder already exists, to you want to remove it (y/N)? ").lower() != "y":