152 lines
5 KiB
Python
152 lines
5 KiB
Python
# -*- python -*-
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##
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## Buildhelper.py - helpers, custom builders, for SConstruct
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##
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# Copyright (C) CinelerraCV
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# 2007, Hermann Vosseler <Ichthyostega@web.de>
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2 of
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# the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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#####################################################################
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import os
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import sys
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import fnmatch
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import re
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import tarfile
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#
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# Common Helper Functions
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#
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def isCleanupOperation(env):
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return env.GetOption('clean')
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def isHelpRequest():
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""" this is a hack: SCons does all configure tests even if only
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the helpmessage is requested. SCons doesn't export the
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help option for retrieval by env.GetOption(),
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so we scan the commandline directly.
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"""
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return '-h' in sys.argv or '--help' in sys.argv
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def srcSubtree(env,tree,isShared=False, **args):
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""" convienience wrapper: scans the given subtree, which is
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to be located within $SRCDIR, find all source files and
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declare them as Static or SharedObjects for compilation
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"""
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root = env.subst('$SRCDIR/%s' % tree) # expand $SRCDIR
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if isShared:
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builder = lambda f: env.SharedObject(f, **args)
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else:
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builder = lambda f: env.Object(f, **args)
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return [builder(f) for f in scanSrcSubtree(root)]
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SRCPATTERNS = ['*.c','*.cpp','*.cc']
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def scanSrcSubtree(root):
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""" scan the given subtree for source filesnames
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(python generator function)
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"""
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for (dir,_,files) in os.walk(root):
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if dir.startswith('./'):
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dir = dir[2:]
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for p in SRCPATTERNS:
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for f in fnmatch.filter(files, p):
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yield os.path.join(dir,f)
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def Tarball(env,location,dirs,suffix=''):
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""" Custom Command: create Tarball of some subdirs
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location: where to create the tar (optionally incl. filename.tar.gz)
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suffix: (optional) suffix to include in the tar name
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dirs: directories to include in the tar
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This is a bit of a hack, because we want to be able to include arbitrary dirctories,
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without creating new dependencies on those dirs. Esp. we want to tar the source tree
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prior to compiling. Solution is
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- use the Command-Builder, but pass all target specifications as custom build vars
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- create a pseudo-target located in the parent directory (not built by default)
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"""
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targetID = '../extern-tar%s' % suffix
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versionID = env['VERSION']
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defaultName = 'cinelerra%s_%s' % (suffix, versionID)
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nameprefix = 'cinelerra-%s/' % (versionID)
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location = env.subst(location)
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dirs = env.subst(dirs)
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return env.Command(targetID,None, createTarball,
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location=location, defaultName=defaultName, dirs=dirs, nameprefix=nameprefix)
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def createTarball(target,source,env):
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""" helper, builds the tar using the python2.3 tarfil lib.
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This allows us to prefix all paths, thus moving the tree
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into a virtual subdirectory containing the Version number,
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as needed by common packaging systems.
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"""
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name = getTarName( location = env['location']
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, defaultName = env['defaultName'])
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targetspec = env['dirs']
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nameprefix = env['nameprefix'] or ''
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print 'Running: tar -czf %s %s ...' % (name,targetspec)
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if os.path.isfile(name):
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os.remove(name)
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tar = tarfile.open(name,'w:gz')
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for name in targetspec.split():
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tar.add(name,nameprefix+name)
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tar.close()
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#
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# old version using shell command:
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#
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# cmd = 'tar -czf %s %s' % (name,targetspec)
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# print 'running ', cmd, ' ... '
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# pipe = os.popen (cmd)
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# return pipe.close ()
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def getTarName(location, defaultName):
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""" create a suitable name for the tarball.
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- if location contains a name (*.tar.gz) then use this
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- otherwise append the defaultName to the specified dir
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"""
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spec = os.path.abspath(location)
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(head,tail) = os.path.split(spec)
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if not os.path.isdir(head):
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print 'Target dir "%s" for Tar doesn\'t exist.' % head
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Exit(1)
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mat = re.match(r'([\w\.\-\+:\~]+)\.((tar)|(tar\.gz)|(tgz))', tail)
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if mat:
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name = mat.group(1)
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ext = '.'+mat.group(2)
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else:
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ext = '.tar.gz'
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if os.path.isdir(spec):
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head = spec
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name = defaultName
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else:
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name = tail
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return os.path.join(head,name+ext)
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