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configure.py
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configure.py
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###############################################################################
##
## This script is coded for minimum version of Python 2.7 .
##
## Python3 is incompatible.
##
## Authors: konablend
##
###############################################################################
import fnmatch
import glob
import json
import optparse
import os
import platform
import random
import re
import string
import subprocess
import sys
import time
from datetime import datetime, timedelta
from optparse import OptionGroup
from optparse import OptionParser
from sys import stderr
from sys import stdout
class AbortError( Exception ):
def __init__( self, format, *args ):
self.value = format % args
def __str__( self ):
return self.value
###############################################################################
##
## Main configure object.
##
## dir = containing this configure script
## cwd = current working dir at time of script launch
##
class Configure( object ):
OUT_QUIET = 0
OUT_INFO = 1
OUT_VERBOSE = 2
def __init__( self, verbose ):
self._log_info = []
self._log_verbose = []
self._record = False
self.verbose = verbose
self.dir = os.path.dirname( sys.argv[0] )
self.cwd = os.getcwd()
self.build_dir = '.'
## compute src dir which is 2 dirs up from this script
self.src_dir = os.path.normpath( sys.argv[0] )
for i in range( 2 ):
self.src_dir = os.path.dirname( self.src_dir )
if len( self.src_dir ) == 0:
self.src_dir = os.curdir
def _final_dir( self, chdir, dir ):
dir = os.path.normpath( dir )
if not os.path.isabs( dir ):
if os.path.isabs( chdir ):
dir = os.path.normpath( os.path.abspath(dir ))
else:
dir = os.path.normpath( self.relpath( dir, chdir ))
return dir
## output functions
def errln( self, format, *args ):
s = (format % args)
if re.match( '^.*[!?:;.]$', s ):
stderr.write( 'ERROR: %s configure stop.\n' % (s) )
else:
stderr.write( 'ERROR: %s; configure stop.\n' % (s) )
self.record_log()
sys.exit( 1 )
def infof( self, format, *args ):
line = format % args
self._log_verbose.append( line )
if self.verbose >= Configure.OUT_INFO:
self._log_info.append( line )
stdout.write( line )
def verbosef( self, format, *args ):
line = format % args
self._log_verbose.append( line )
if self.verbose >= Configure.OUT_VERBOSE:
stdout.write( line )
## doc is ready to be populated
def doc_ready( self ):
## compute final paths as they are after chdir into build
self.build_final = os.curdir
self.src_final = self._final_dir( self.build_dir, self.src_dir )
self.prefix_final = self._final_dir( self.build_dir, self.prefix_dir )
self.infof( 'compute: makevar SRC/ = %s\n', self.src_final )
self.infof( 'compute: makevar BUILD/ = %s\n', self.build_final )
self.infof( 'compute: makevar PREFIX/ = %s\n', self.prefix_final )
## perform chdir and enable log recording
def chdir( self ):
if os.path.abspath( self.build_dir ) == os.path.abspath( self.src_dir ):
self.errln( 'build (scratch) directory must not be the same as top-level source root!' )
if self.build_dir != os.curdir:
if os.path.exists( self.build_dir ):
if not options.force:
self.errln( 'build directory already exists: %s (use --force to overwrite)', self.build_dir )
else:
self.mkdirs( self.build_dir )
self.infof( 'chdir: %s\n', self.build_dir )
os.chdir( self.build_dir )
## enable logging
self._record = True
def mkdirs( self, dir ):
if len(dir) and not os.path.exists( dir ):
self.infof( 'mkdir: %s\n', dir )
os.makedirs( dir )
def open( self, *args ):
dir = os.path.dirname( args[0] )
if len(args) > 1 and args[1].find('w') != -1:
self.mkdirs( dir )
m = re.match( '^(.*)\.tmp\..{8}$', args[0] )
if m:
self.infof( 'write: %s\n', m.group(1) )
else:
self.infof( 'write: %s\n', args[0] )
try:
return open( *args )
except Exception, x:
self.errln( 'open failure: %s', x )
def record_log( self ):
if not self._record:
return
self._record = False
self.verbose = Configure.OUT_QUIET
file = self.open( 'log/config.info.txt', 'w' )
for line in self._log_info:
file.write( line )
file.close()
file = self.open( 'log/config.verbose.txt', 'w' )
for line in self._log_verbose:
file.write( line )
file.close()
## Find executable by searching path.
## On success, returns full pathname of executable.
## On fail, returns None.
def findExecutable( self, name ):
if len( os.path.split(name)[0] ):
if os.access( name, os.X_OK ):
return name
return None
if not os.environ.has_key( 'PATH' ) or os.environ[ 'PATH' ] == '':
path = os.defpath
else:
path = os.environ['PATH']
for dir in path.split( os.pathsep ):
f = os.path.join( dir, name )
if os.access( f, os.X_OK ):
return f
return None
## taken from python2.6 -- we need it
def relpath( self, path, start=os.curdir ):
"""Return a relative version of a path"""
if not path:
raise ValueError("no path specified")
start_list = os.path.abspath(start).split(os.sep)
path_list = os.path.abspath(path).split(os.sep)
# Work out how much of the filepath is shared by start and path.
i = len(os.path.commonprefix([start_list, path_list]))
rel_list = [os.pardir] * (len(start_list)-i) + path_list[i:]
if not rel_list:
return os.curdir
return os.path.join(*rel_list)
## update with parsed cli options
def update_cli( self, options ):
self.src_dir = os.path.normpath( options.src )
self.build_dir = os.path.normpath( options.build )
self.prefix_dir = os.path.normpath( options.prefix )
if options.sysroot != None:
self.sysroot_dir = os.path.normpath( options.sysroot )
else:
self.sysroot_dir = ""
if options.minver != None:
self.minver = options.minver
else:
self.minver = ""
## special case if src == build: add build subdir
if os.path.abspath( self.src_dir ) == os.path.abspath( self.build_dir ):
self.build_dir = os.path.join( self.build_dir, 'build' )
## generate a temporary filename - not worried about race conditions
def mktmpname( self, filename ):
return filename + '.tmp.' + ''.join(random.choice(string.ascii_lowercase + string.digits) for _ in range(8))
###############################################################################
##
## abstract action
##
## pretext = text which immediately follows 'probe:' output prefix
## abort = if true configure will exit on probe fail
## head = if true probe session is stripped of all but first line
## session = output from command, including stderr
## fail = true if probe failed
##
class Action( object ):
actions = []
def __init__( self, category, pretext='unknown', abort=False, head=False ):
if self not in Action.actions:
Action.actions.append( self )
self.category = category
self.pretext = pretext
self.abort = abort
self.head = head
self.session = None
self.run_done = False
self.fail = True
self.msg_fail = 'fail'
self.msg_pass = 'pass'
self.msg_end = 'end'
def _actionBegin( self ):
cfg.infof( '%s: %s...', self.category, self.pretext )
def _actionEnd( self ):
if self.fail:
cfg.infof( '(%s) %s\n', self.msg_fail, self.msg_end )
if self.abort:
self._dumpSession( cfg.infof )
cfg.errln( 'unable to continue' )
self._dumpSession( cfg.verbosef )
self._failSession()
else:
cfg.infof( '(%s) %s\n', self.msg_pass, self.msg_end )
self._dumpSession( cfg.verbosef )
def _dumpSession( self, printf ):
if self.session and len(self.session):
for line in self.session:
printf( ' : %s\n', line )
else:
printf( ' : <NO-OUTPUT>\n' )
def _parseSession( self ):
pass
def _failSession( self ):
pass
def run( self ):
if self.run_done:
return
self.run_done = True
self._actionBegin()
self._action()
if not self.fail:
self._parseSession()
self._actionEnd()
###############################################################################
##
## base probe: anything which runs in shell.
##
## pretext = text which immediately follows 'probe:' output prefix
## command = full command and arguments to pipe
## abort = if true configure will exit on probe fail
## head = if true probe session is stripped of all but first line
## session = output from command, including stderr
## fail = true if probe failed
##
class ShellProbe( Action ):
def __init__( self, pretext, command, abort=False, head=False ):
super( ShellProbe, self ).__init__( 'probe', pretext, abort, head )
self.command = command
def _action( self ):
## pipe and redirect stderr to stdout; effects communicate result
pipe = subprocess.Popen( self.command, shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT )
## read data into memory buffers, only first element (stdout) data is used
data = pipe.communicate()
self.fail = pipe.returncode != 0
if data[0]:
self.session = data[0].splitlines()
else:
self.session = []
if pipe.returncode:
self.msg_end = 'code %d' % (pipe.returncode)
def _dumpSession( self, printf ):
printf( ' + %s\n', self.command )
super( ShellProbe, self )._dumpSession( printf )
###############################################################################
##
## Compile test probe: determine if compile time feature is supported
##
## returns true if feature successfully compiles
##
##
class CCProbe( Action ):
def __init__( self, pretext, command, test_file ):
super( CCProbe, self ).__init__( 'probe', pretext )
self.command = command
self.test_file = test_file
def _action( self ):
## write program file
file = open( 'conftest.c', 'w' )
file.write( self.test_file )
file.close()
## pipe and redirect stderr to stdout; effects communicate result
pipe = subprocess.Popen( '%s -c -o conftest.o conftest.c' % self.command, shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT )
## read data into memory buffers, only first element (stdout) data is used
data = pipe.communicate()
self.fail = pipe.returncode != 0
if data[0]:
self.session = data[0].splitlines()
else:
self.session = []
if pipe.returncode:
self.msg_end = 'code %d' % (pipe.returncode)
os.remove( 'conftest.c' )
if not self.fail:
os.remove( 'conftest.o' )
def _dumpSession( self, printf ):
printf( ' + %s\n', self.command )
super( CCProbe, self )._dumpSession( printf )
###############################################################################
##
## Compile test probe: determine if compile time feature is supported
##
## returns true if feature successfully compiles
##
##
class LDProbe( Action ):
def __init__( self, pretext, command, lib, test_file ):
super( LDProbe, self ).__init__( 'probe', pretext )
self.command = command
self.test_file = test_file
self.lib = lib
def _action( self ):
## write program file
file = open( 'conftest.c', 'w' )
file.write( self.test_file )
file.close()
## pipe and redirect stderr to stdout; effects communicate result
pipe = subprocess.Popen( '%s -o conftest conftest.c %s' % (self.command, self.lib), shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT )
## read data into memory buffers, only first element (stdout) data is used
data = pipe.communicate()
self.fail = pipe.returncode != 0
if data[0]:
self.session = data[0].splitlines()
else:
self.session = []
if pipe.returncode:
self.msg_end = 'code %d' % (pipe.returncode)
os.remove( 'conftest.c' )
if not self.fail:
os.remove( 'conftest' )
def _dumpSession( self, printf ):
printf( ' + %s\n', self.command )
super( LDProbe, self )._dumpSession( printf )
###############################################################################
##
## GNU host tuple probe: determine canonical platform type
##
## example results from various platforms:
##
## powerpc-apple-darwin9.6.0 (Mac OS X 10.5.6 PPC)
## i386-apple-darwin9.6.0 (Mac OS X 10.5.6 Intel)
## x86_64-apple-darwin10.8.0 (Mac OS X 10.6.8 Intel)
## x86_64-apple-darwin11.2.0 (Mac OS X 10.7.2 Intel)
## i686-pc-cygwin (Cygwin, Microsoft Vista)
## x86_64-unknown-linux-gnu (Linux, Fedora 10 x86_64)
##
class HostTupleProbe( ShellProbe, list ):
GNU_TUPLE_RE = '([^-]+)-?([^-]*)-([^0-9-]+)([^-]*)-?([^-]*)'
def __init__( self ):
super( HostTupleProbe, self ).__init__( 'host tuple', '%s/config.guess' % (cfg.dir), abort=True, head=True )
def _parseSession( self ):
if len(self.session):
self.spec = self.session[0]
else:
self.spec = ''
## grok GNU host tuples
m = re.match( HostTupleProbe.GNU_TUPLE_RE, self.spec )
if not m:
self.fail = True
self.msg_end = 'invalid host tuple: %s' % (self.spec)
return
self.msg_end = self.spec
## assign tuple from regex
self[:] = m.groups()
## for clarity
self.machine = self[0]
self.vendor = self[1]
self.system = self[2]
self.release = self[3]
self.extra = self[4]
## nice formal name for 'system'
self.systemf = platform.system()
if self.match( '*-*-cygwin*' ):
self.systemf = self[2][0].upper() + self[2][1:]
## glob-match against spec
def match( self, *specs ):
for spec in specs:
if fnmatch.fnmatch( self.spec, spec ):
return True
return False
###############################################################################
class BuildAction( Action, list ):
def __init__( self ):
super( BuildAction, self ).__init__( 'compute', 'build tuple', abort=True )
def _action( self ):
## check if --cross spec was used; must maintain 5-tuple compatibility with regex
if options.cross:
self.spec = os.path.basename( options.cross ).rstrip( '-' )
else:
self.spec = arch.mode[arch.mode.mode]
## grok GNU host tuples
m = re.match( HostTupleProbe.GNU_TUPLE_RE, self.spec )
if not m:
self.msg_end = 'invalid host tuple: %s' % (self.spec)
return
self.msg_end = self.spec
## assign tuple from regex
self[:] = m.groups()
## for clarity
self.machine = self[0]
self.vendor = self[1]
self.system = self[2]
self.release = self[3]
self.extra = self[4]
self.systemf = host.systemf
## when cross we need switch for platforms
if options.cross:
if self.match( '*mingw*' ):
self.systemf = 'MinGW'
elif self.systemf:
self.systemf[0] = self.systemf[0].upper()
self.title = '%s %s' % (build.systemf,self.machine)
else:
self.title = '%s %s' % (build.systemf,arch.mode.mode)
self.fail = False
## glob-match against spec
def match( self, *specs ):
for spec in specs:
if fnmatch.fnmatch( self.spec, spec ):
return True
return False
###############################################################################
##
## value wrapper; value is accepted only if one of host specs matcheds
## otherwise it is None (or a keyword-supplied val)
##
## result is attribute 'value'
##
class IfHost( object ):
def __init__( self, value, *specs, **kwargs ):
self.value = kwargs.get('none',None)
for spec in specs:
if host.match( spec ):
self.value = value
break
def __nonzero__( self ):
return self.value != None
def __str__( self ):
return self.value
###############################################################################
##
## platform conditional value; loops through list of tuples comparing
## to first host match and sets value accordingly; the first value is
## always default.
##
class ForHost( object ):
def __init__( self, default, *tuples ):
self.value = default
for tuple in tuples:
if host.match( tuple[1] ):
self.value = tuple[0]
break
def __str__( self ):
return self.value
###############################################################################
class ArchAction( Action ):
def __init__( self ):
super( ArchAction, self ).__init__( 'compute', 'available architectures', abort=True )
self.mode = SelectMode( 'architecture', (host.machine,host.spec) )
def _action( self ):
self.fail = False
## some match on system should be made here; otherwise we signal a warning.
if host.match( '*-*-cygwin*' ):
pass
elif host.match( '*-*-darwin11.*' ):
self.mode['i386'] = 'i386-apple-darwin%s' % (host.release)
self.mode['x86_64'] = 'x86_64-apple-darwin%s' % (host.release)
elif host.match( '*-*-darwin*' ):
self.mode['i386'] = 'i386-apple-darwin%s' % (host.release)
self.mode['x86_64'] = 'x86_64-apple-darwin%s' % (host.release)
self.mode['ppc'] = 'powerpc-apple-darwin%s' % (host.release)
self.mode['ppc64'] = 'powerpc64-apple-darwin%s' % (host.release)
## special cases in that powerpc does not match gcc -arch value
## which we like to use; so it has to be removed.
## note: we don't know if apple will release Ssnow Leopad/ppc64 yet; just a guess.
if 'powerpc' in self.mode:
del self.mode['powerpc']
self.mode.mode = 'ppc'
elif 'powerpc64' in self.mode:
del self.mode['powerpc64']
self.mode.mode = 'ppc64'
elif host.match( '*-*-linux*' ):
pass
elif host.match( '*-*-solaris*' ):
pass
else:
self.msg_pass = 'WARNING'
self.msg_end = self.mode.toString()
## glob-match against spec
def match( self, spec ):
return fnmatch.fnmatch( self.spec, spec )
###############################################################################
class CoreProbe( Action ):
def __init__( self ):
super( CoreProbe, self ).__init__( 'probe', 'number of CPU cores' )
self.count = 1
def _action( self ):
if self.fail:
## good for darwin9.6.0 and linux
try:
self.count = os.sysconf( 'SC_NPROCESSORS_ONLN' )
if self.count < 1:
self.count = 1
self.fail = False
except:
pass
if self.fail:
## windows
try:
self.count = int( os.environ['NUMBER_OF_PROCESSORS'] )
if self.count < 1:
self.count = 1
self.fail = False
except:
pass
## clamp
if self.count < 1:
self.count = 1
elif self.count > 64:
self.count = 64
if options.launch:
if options.launch_jobs == 0:
self.jobs = core.count
else:
self.jobs = options.launch_jobs
else:
self.jobs = core.count
self.msg_end = str(self.count)
###############################################################################
class SelectMode( dict ):
def __init__( self, descr, *modes, **kwargs ):
super( SelectMode, self ).__init__( modes )
self.descr = descr
self.modes = modes
self.what = kwargs.get('what',' mode')
if modes:
self.default = kwargs.get('default',modes[0][0])
else:
self.default = None
self.mode = self.default
def cli_add_option( self, parser, option ):
parser.add_option( option, default=self.mode, metavar='MODE',
help='select %s%s: %s' % (self.descr,self.what,self.toString()),
action='callback', callback=self.cli_callback, type='str' )
def cli_callback( self, option, opt_str, value, parser, *args, **kwargs ):
if value not in self:
raise optparse.OptionValueError( 'invalid %s%s: %s (choose from: %s)'
% (self.descr,self.what,value,self.toString( True )) )
self.mode = value
def toString( self, nodefault=False ):
keys = self.keys()
keys.sort()
if len(self) == 1:
value = self.mode
elif nodefault:
value = ' '.join( keys )
else:
value = '%s [%s]' % (' '.join( keys ), self.mode )
return value
###############################################################################
##
## Repository object.
## Holds information gleaned from subversion working dir.
##
## Builds are classed into one of the following types:
##
## release
## must be built from official git at version tag
## developer
## must be built from official git but is not a release
##
class RepoProbe( ShellProbe ):
def __init__( self ):
# Find script that creates repo info
try:
repo_info = os.path.join( cfg.src_dir, 'scripts', 'repo-info.sh' )
if not os.path.isfile( repo_info ):
cfg.errln( 'Missing required script %s\n', repo_info )
sys.exit( 1 )
except:
sys.exit( 1 )
super( RepoProbe, self ).__init__( 'repo info', '%s %s' %
(repo_info, cfg.src_dir) )
self.url = 'git://nowhere.com/project/unknown'
self.tag = ''
self.tag_hash = 'deadbeaf'
self.branch = 'unknown'
self.remote = 'unknown'
self.rev = 0
self.hash = 'deadbeaf'
self.shorthash = 'deadbea'
self.date = datetime(1, 1, 1)
self.official = 0
self.type = 'developer'
def _parseSession( self ):
for line in self.session:
## grok fields
m = re.match( '([^\=]+)\=(.*)', line )
if not m:
continue
(name,value) = m.groups()
if name == 'URL' and value != '':
self.url = value
elif name == 'TAG':
self.tag = value
elif name == 'TAG_HASH':
self.tag_hash = value
elif name == 'BRANCH':
self.branch = value
elif name == 'REMOTE':
self.remote = value
elif name == 'REV':
self.rev = int( value )
elif name == 'DATE':
self.date = datetime.strptime(value[0:19], "%Y-%m-%d %H:%M:%S")
# strptime can't handle UTC offset
m = re.match( '^([-+]?[0-9]{2})([0-9]{2})$', value[20:])
(hh, mn) = m.groups()
utc_off_hour = int(hh)
utc_off_minute = int(mn)
if utc_off_hour >= 0:
utc_off = utc_off_hour * 60 + utc_off_minute
else:
utc_off = utc_off_hour * 60 - utc_off_minute
delta = timedelta(minutes=utc_off)
self.date = self.date - delta
elif name == 'HASH':
self.hash = value
self.shorthash = value[:7]
# type-classification via repository URL
official_url = 'https://github.com/HandBrake/HandBrake.git' # HTTPS
if self.url == '[email protected]:HandBrake/HandBrake.git': # SSH
self.url = official_url
if self.url == official_url:
self.official = 1
if not options.snapshot and self.hash == self.tag_hash:
self.type = 'release'
else:
self.type = 'developer'
self.msg_end = self.url
def _failSession( self ):
# Look for repo info in version file.
#
# Version file would be created manually by source packager.
# e.g.
# $ HandBrake/scripts/repo-info.sh HandBrake > HandBrake/version.txt
# $ tar -czf handbrake-source.tgz --exclude .git HandBrake
cfg.infof( 'probe: version.txt...' )
try:
hvp = os.path.join( cfg.src_dir, 'version.txt' )
if os.path.isfile( hvp ) and os.path.getsize( hvp ) > 0:
file = open( hvp, 'r' )
self.session = file.readlines()
file.close()
if self.session:
self._parseSession()
if self.rev != 0:
cfg.infof( '(pass)\n' )
else:
cfg.infof( '(fail)\n' )
except:
cfg.infof( '(fail)\n' )
###############################################################################
##
## project object.
##
## Contains manually updated version numbers consistent with HB releases
## and other project metadata.
##
class Project( Action ):
def __init__( self ):
super( Project, self ).__init__( 'compute', 'project data' )
self.name = 'HandBrake'
self.acro_lower = 'hb'
self.acro_upper = 'HB'
self.url_website = 'https://handbrake.fr'
self.url_community = 'https://forum.handbrake.fr'
self.url_irc = 'irc://irc.freenode.net/handbrake'
self.name_lower = self.name.lower()
self.name_upper = self.name.upper()
self.vmajor = 0
self.vminor = 0
self.vpoint = 0
self.spoint = 0
self.suffix = ''
self.special = ''
def _action( self ):
## add architecture to URL only for Mac
if fnmatch.fnmatch( build.spec, '*-*-darwin*' ):
url_arch = '.%s' % (arch.mode.mode)
else:
url_arch = ''
suffix = ''
if repo.tag != '':
m = re.match( '^([0-9]+)\.([0-9]+)\.([0-9]+)-?(.+)?$', repo.tag )
if not m:
cfg.errln( 'Invalid repo tag format %s\n', repo.tag )
sys.exit( 1 )
(vmajor, vminor, vpoint, suffix) = m.groups()
self.vmajor = int(vmajor)
self.vminor = int(vminor)
self.vpoint = int(vpoint)
self.suffix = suffix
if repo.type != 'release' or options.snapshot:
self.version = repo.date.strftime("%Y%m%d%H%M%S")
self.version += '-%s' % (repo.shorthash)
if repo.branch != '':
self.version += '-%s' % (repo.branch)
self.debversion = repo.date.strftime("%Y%m%d%H%M%S")
self.debversion += '-%s' % (repo.shorthash)
if repo.branch != '':
self.debversion += '-%s' % (repo.branch)
url_ctype = '_unstable'
url_ntype = 'unstable'
self.build = time.strftime('%Y%m%d') + '01'
self.title = '%s %s (%s)' % (self.name,self.version,self.build)
else:
m = re.match('^([a-zA-Z]+)\.([0-9]+)$', suffix)
if not m:
# Regular release
self.version = '%d.%d.%d' % (self.vmajor,self.vminor,self.vpoint)
self.debversion = '%d.%d.%d' % (self.vmajor, self.vminor, self.vpoint)
url_ctype = ''
url_ntype = 'stable'
else:
(special, spoint,) = m.groups()
self.special = special
self.spoint = int(spoint)
self.version = '%d.%d.%d-%s.%d' % (self.vmajor,self.vminor,self.vpoint, self.special, self.spoint)
self.debversion = '%d.%d.%d~%s.%d' % (self.vmajor, self.vminor, self.vpoint, self.special, self.spoint)
url_ctype = '_unstable'
url_ntype = 'unstable'
self.build = time.strftime('%Y%m%d') + '00'
self.title = '%s %s (%s)' % (self.name,self.version,self.build)
self.url_appcast = 'https://handbrake.fr/appcast%s%s.xml' % (url_ctype,url_arch)
self.url_appnote = 'https://handbrake.fr/appcast/%s.html' % (url_ntype)
self.msg_end = '%s (%s)' % (self.name,repo.type)
self.fail = False
###############################################################################
class ToolProbe( Action ):
tools = []
def __init__( self, var, *names, **kwargs ):
super( ToolProbe, self ).__init__( 'find', abort=kwargs.get('abort',True) )
if not self in ToolProbe.tools:
ToolProbe.tools.append( self )
self.var = var
self.names = []
self.kwargs = kwargs
for name in names:
if name:
self.names.append( str(name) )
self.name = self.names[0]
self.pretext = self.name
self.pathname = self.names[0]
self.minversion = kwargs.get('minversion', None)
def _action( self ):
self.session = []
for i,name in enumerate(self.names):
self.session.append( 'name[%d] = %s' % (i,name) )
for name in self.names:
f = cfg.findExecutable( name )
if f:
self.pathname = f
self.fail = False
self.msg_end = f
break
if self.fail:
self.msg_end = 'not found'
elif self.minversion:
self.version = VersionProbe( [self.pathname, '--version'], minversion=self.minversion )
def cli_add_option( self, parser ):
parser.add_option( '--'+self.name, metavar='PROG',
help='[%s]' % (self.pathname),
action='callback', callback=self.cli_callback, type='str' )
def cli_callback( self, option, opt_str, value, parser, *args, **kwargs ):
self.__init__( self.var, value, **self.kwargs )
self.run()
def doc_add( self, doc ):
doc.add( self.var, self.pathname )
###############################################################################
###############################################################################
##
## version probe: passes --version to command and only cares about first line
## of output. If probe fails, a default version of '0.0.0' results.
## The default rexpr is useful for some very simple version strings. A Custom
## expression would be required for more complex version strings.
##
## command = full command and arguments to pipe
## rexpr = a regular expression which must return named subgroups:
## name: mandatory. The tool name.
## svers: mandatory. The whole version tuple to be represented as string.
## i0: mandatory. First element of version tuple to be parsed as int.
## i1: optional. Second element of version tuple to be parsed as int.
## i2: optional. Third element of version tuple to be parsed as int.
## All matching is case-insensitive.
## abort = if true configure will exit on probe fail
## session = result. array of lines (stdout/stderr) from command
## fail = result. true if probe failed
## svers = result. string of version tuple
## ivers = result. int[3] of version tuple
##
class VersionProbe( Action ):
def __init__( self, command, minversion=None, rexpr=None, abort=False ):
super( VersionProbe, self ).__init__( 'version probe', os.path.basename(command[0]), abort )
self.command = command
self.minversion = minversion
if not rexpr:
rexpr = '(?P<name>[^.]+)\s+(?P<svers>(?P<i0>\d+)(\.(?P<i1>\d+))?(\.(?P<i2>\d+))?)'
self.rexpr = rexpr
def _action( self ):
## pipe and redirect stderr to stdout; effects communicate result
pipe = subprocess.Popen( self.command, stdout=subprocess.PIPE, stderr=subprocess.STDOUT )
## read data into memory buffers
data = pipe.communicate()
self.fail = pipe.returncode != 0
if data[0]:
self.session = data[0].splitlines()
else:
self.session = []
self.svers = '0.0.0'
self.ivers = [0,0,0]
try:
if not self.fail and self.session and len(self.session):
self.fail = True
self._parse()
self.fail = False
self.msg_end = self.svers
except Exception, x:
self.svers = '0.0.0'
self.ivers = [0,0,0]
self.msg_end = str(x)
def _dumpSession( self, printf ):
printf( ' + %s\n', ' '.join(self.command) )
super( VersionProbe, self )._dumpSession( printf )
def _parse( self ):
mo = re.match( self.rexpr, self.session[0], re.IGNORECASE )
md = mo.groupdict()
self.svers = md['svers']
if 'i0' in md and md['i0']:
self.ivers[0] = int(md['i0'])
if 'i1' in md and md['i1']:
self.ivers[1] = int(md['i1'])
if 'i2' in md and md['i2']:
self.ivers[2] = int(md['i2'])