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Viewing changes to contrib/create_bzr_rollup.py

  • Committer: Martin Pool
  • Date: 2005-04-15 01:31:21 UTC
  • Revision ID: mbp@sourcefrog.net-20050415013121-b18f1be12a735066
- Doc cleanups from Magnus Therning

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contrib/create_bzr_rollup.py
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#!/usr/bin/env python
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"""\
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This script runs after rsyncing bzr.
4
 
It checks the bzr version, and sees if there is a tarball and
5
 
zipfile that exist with that version.
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If not, it creates them.
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"""
8
 
 
9
 
import os, sys, tempfile
10
 
 
11
 
def sync(remote, local, verbose=False):
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        """Do the actual synchronization
13
 
        """
14
 
        if verbose:
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                status = os.system('rsync -av --delete "%s" "%s"' % (remote, local))
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        else:
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                status = os.system('rsync -a --delete "%s" "%s"' % (remote, local))
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        return status==0
19
 
 
20
 
def create_tar_gz(local_dir, output_dir=None, verbose=False):
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        import tarfile, bzrlib
22
 
        out_name = os.path.basename(local_dir) + '-' + str(bzrlib.Branch(local_dir).revno())
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        final_path = os.path.join(output_dir, out_name + '.tar.gz')
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        if os.path.exists(final_path):
25
 
                if verbose:
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                        print 'Output file already exists: %r' % final_path
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                return
28
 
        fn, tmp_path=tempfile.mkstemp(suffix='.tar', prefix=out_name, dir=output_dir)
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        os.close(fn)
30
 
        try:
31
 
                if verbose:
32
 
                        print 'Creating %r (%r)' % (final_path, tmp_path)
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                tar = tarfile.TarFile(name=tmp_path, mode='w')
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                tar.add(local_dir, arcname=out_name, recursive=True)
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                tar.close()
36
 
 
37
 
                if verbose:
38
 
                        print 'Compressing...'
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                if os.system('gzip "%s"' % tmp_path) != 0:
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                        raise ValueError('Failed to compress')
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                tmp_path += '.gz'
42
 
                os.chmod(tmp_path, 0644)
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                os.rename(tmp_path, final_path)
44
 
        except:
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                os.remove(tmp_path)
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                raise
47
 
 
48
 
def create_tar_bz2(local_dir, output_dir=None, verbose=False):
49
 
        import tarfile, bzrlib
50
 
        out_name = os.path.basename(local_dir) + '-' + str(bzrlib.Branch(local_dir).revno())
51
 
        final_path = os.path.join(output_dir, out_name + '.tar.bz2')
52
 
        if os.path.exists(final_path):
53
 
                if verbose:
54
 
                        print 'Output file already exists: %r' % final_path
55
 
                return
56
 
        fn, tmp_path=tempfile.mkstemp(suffix='.tar', prefix=out_name, dir=output_dir)
57
 
        os.close(fn)
58
 
        try:
59
 
                if verbose:
60
 
                        print 'Creating %r (%r)' % (final_path, tmp_path)
61
 
                tar = tarfile.TarFile(name=tmp_path, mode='w')
62
 
                tar.add(local_dir, arcname=out_name, recursive=True)
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                tar.close()
64
 
 
65
 
                if verbose:
66
 
                        print 'Compressing...'
67
 
                if os.system('bzip2 "%s"' % tmp_path) != 0:
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                        raise ValueError('Failed to compress')
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                tmp_path += '.bz2'
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                os.chmod(tmp_path, 0644)
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                os.rename(tmp_path, final_path)
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        except:
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                os.remove(tmp_path)
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                raise
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def create_zip(local_dir, output_dir=None, verbose=False):
77
 
        import zipfile, bzrlib
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        out_name = os.path.basename(local_dir) + '-' + str(bzrlib.Branch(local_dir).revno())
79
 
        final_path = os.path.join(output_dir, out_name + '.zip')
80
 
        if os.path.exists(final_path):
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                if verbose:
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                        print 'Output file already exists: %r' % final_path
83
 
                return
84
 
        fn, tmp_path=tempfile.mkstemp(suffix='.zip', prefix=out_name, dir=output_dir)
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        os.close(fn)
86
 
        try:
87
 
                if verbose:
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                        print 'Creating %r (%r)' % (final_path, tmp_path)
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                zip = zipfile.ZipFile(file=tmp_path, mode='w')
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                try:
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                        for root, dirs, files in os.walk(local_dir):
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                                for f in files:
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                                        path = os.path.join(root, f)
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                                        arcname = os.path.join(out_name, path[len(local_dir)+1:])
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                                        zip.write(path, arcname=arcname)
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                finally:
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                        zip.close()
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99
 
                os.chmod(tmp_path, 0644)
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                os.rename(tmp_path, final_path)
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        except:
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                os.remove(tmp_path)
103
 
                raise
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105
 
def get_local_dir(remote, local):
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        """This returns the full path to the local directory where 
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        the files are kept.
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109
 
        rsync has the trick that if the source directory ends in a '/' then
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        the file will be copied *into* the target. If it does not end in a slash,
111
 
        then the directory will be added into the target.
112
 
        """
113
 
        if remote[-1:] == '/':
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                return local
115
 
        # rsync paths are typically user@host:path/to/something
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        # the reason for the split(':') is in case path doesn't contain a slash
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        extra = remote.split(':')[-1].split('/')[-1]
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        return os.path.join(local, extra)
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def get_output_dir(output, local):
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        if output:
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                return output
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        return os.path.dirname(os.path.realpath(local))
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125
 
 
126
 
def main(args):
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        import optparse
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        p = optparse.OptionParser(usage='%prog [options] [remote] [local]'
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                '\n  rsync the remote repository to the local directory'
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                '\n  if remote is not given, it defaults to "bazaar-ng.org::bazaar-ng/bzr/bzr.dev"'
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                '\n  if local is not given it defaults to "."')
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133
 
        p.add_option('--verbose', action='store_true'
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                , help="Describe the process")
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        p.add_option('--no-tar-gz', action='store_false', dest='create_tar_gz', default=True
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                , help="Don't create a gzip compressed tarfile.")
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        p.add_option('--no-tar-bz2', action='store_false', dest='create_tar_bz2', default=True
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                , help="Don't create a bzip2 compressed tarfile.")
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        p.add_option('--no-zip', action='store_false', dest='create_zip', default=True
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                , help="Don't create a zipfile.")
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        p.add_option('--output-dir', default=None
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                , help="Set the output location, default is just above the final local directory.")
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144
 
 
145
 
        (opts, args) = p.parse_args(args)
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147
 
        if len(args) < 1:
148
 
                remote = 'bazaar-ng.org::bazaar-ng/bzr/bzr.dev'
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        else:
150
 
                remote = args[0]
151
 
        if len(args) < 2:
152
 
                local = '.'
153
 
        else:
154
 
                local = args[1]
155
 
        if len(args) > 2:
156
 
                print 'Invalid number of arguments, see --help for details.'
157
 
 
158
 
        if not sync(remote, local, verbose=opts.verbose):
159
 
                if opts.verbose:
160
 
                        print '** rsync failed'
161
 
                return 1
162
 
        # Now we have the new update
163
 
        local_dir = get_local_dir(remote, local)
164
 
 
165
 
        output_dir = get_output_dir(opts.output_dir, local_dir)
166
 
        if opts.create_tar_gz:
167
 
                create_tar_gz(local_dir, output_dir=output_dir, verbose=opts.verbose)
168
 
        if opts.create_tar_bz2:
169
 
                create_tar_bz2(local_dir, output_dir=output_dir, verbose=opts.verbose)
170
 
        if opts.create_zip:
171
 
                create_zip(local_dir, output_dir=output_dir, verbose=opts.verbose)
172
 
 
173
 
        return 0
174
 
                
175
 
if __name__ == '__main__':
176
 
        sys.exit(main(sys.argv[1:]))
177