Attachment 832726 Details for Bug 1038211 – rpmdev-splitfilename

rpmdev-splitfilename

rpmdev-splitfilename (text/plain), 4.83 KB, created by tal on 2013-12-04 15:49:33 UTC

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Creator: tal

Created: 2013-12-04 15:49:33 UTC

Size: 4.83 KB

patch

obsolete

>#!/usr/bin/python
>#
># rpmdev-splitfilename -- parse the parts of a package name
>#
># Copyright (c) Thomas A. Limoncelli
>#
># This program is free software; you can redistribute it and/or modify
># it under the terms of the GNU General Public License as published by
># the Free Software Foundation; either version 2 of the License, or
># (at your option) any later version.
>#
># This program is distributed in the hope that it will be useful,
># but WITHOUT ANY WARRANTY; without even the implied warranty of
># MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
># GNU General Public License for more details.
>#
># You should have received a copy of the GNU General Public License
># along with this program; if not, write to the Free Software
># Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
>
>import os
>import re
>import sys
>import rpmUtils.miscutils
>
>def usage():
>    print """
>rpmdev-splitfilename filename.rpm [filename2.rpm]  # On the command line
>rpmdev-splitfilename <list.txt                     # Stdin
>
>Outputs a TAB separated list of the name components:
>Field Description                 Example:
>    1 The directory path leading up to the package name. May be null.
>    2 Package Name
>    3 Package Version             1.2
>    4 The full release            3.el6
>    5 Epoch.  Usually null.
>    6 Architecture                x86_64
>    7 Version plus release        1.2.3
>    8 Integer portion of release  3
>    9 Platform                    el6.x86_64
>
>The input can be just the package name or a path to the file name. The
>RPM file does not have to exist; it is never actually accessed.
>
>If there is a parse error, the exit status will be non-zero.
>
>Examples:
>  $ rpmdev-splitfilename path/to/example-1.2-3.el6.x86_64.rpm
>  path/to	example	1.2	3.el6	 x86_64	1.2-3	3	el6.x86_64
>  $ rpmdev-splitfilename example-1.2-3.el6.x86_64.rpm
>  	example	1.2	3.el6	 x86_64	1.2-3	3	el6.x86_64
>  $ echo /path/example-1.2-3.el6.x86_64.rpm | rpmdev-splitfilename 
>  /path/to	example	1.2	3.el6	 x86_64	1.2-3	3	el6.x86_64
>  $ rpmdev-splitfilename example-1.2-3.el6.x86_64.rpm | awk -F'\t' '{ print $7 }'
>  1.2-3
>""".strip()
>
># Discarded. It works but it does not handle epoch.
>#def nameparse_regex(fullname):
>#    m = re.search(r'(.*/)*(.*)-(.*)-(.*?)\.(.*)(\.rpm)', fullname)
>#    if m:
>#        (path, name, version, release, arch, _) = m.groups()
>#        path = path or ''
>#        verrel = version + '-' + release
>#        if path != '/' and path[-1:] == '/':
>#            path = path[:-1]
>#        return (path, name, verrel, version, release, arch)
>#    else:
>#        return False
>
># Discarded. It works but it does not handle epoch.
>#def nameparse_split(fullname):
>#    # According to http://www.rpm.org/max-rpm/ch-rpm-file-format.html
>#    # the full name is segmented by '-' with the first part being the only
>#    # one that can contain '-' itself.
>#    # Therefore we split it on '-', then work with the parts from there.
>#    parts = fullname.strip().split('-')
>#    if len(parts) < 3:
>#        return False
>#    # Merge the initial parts to form the path and name.
>#    longpath = '-'.join(parts[:-2])
>#    (path, name) = os.path.split(longpath)
>#    # The version is the 2nd to last part.
>#    version = parts[-2]
>#    # The last part is segmented on '.': release.arch.rpm
>#    endparts = parts[-1].split('.')
>#    # Remove the .rpm
>#    if endparts[-1] == 'rpm':  # Allow for input without a .rpm suffix.
>#      endparts.pop()
>#    # The remainder is the release followed by arch.
>#    release = endparts[0]
>#    arch = '.'.join(endparts[1:])
>#    # Generate version-release as output as a convenience.
>#    verrel = version + '-' + release
>#    # Done.
>#    return (path, name, verrel, version, release, arch)
>
>def nameparse_splitFilename(fullname):
>    if len(fullname.split('-')) < 3:
>        return False
>    (longpath, version, release_plus, epoch, arch) = rpmUtils.miscutils.splitFilename(fullname.strip())
>    (path, name) = os.path.split(longpath)
>    endparts = release_plus.split('.')
>    pure_release = endparts[0]
>    platform = '.'.join(endparts[1:] + [arch])
>    verrel = version + '-' + pure_release
>    return (path, name, version, release_plus, epoch, arch, verrel, pure_release, platform)
>
>#nameparse = nameparse_regex
>#nameparse = nameparse_split
>nameparse = nameparse_splitFilename
>
>def parse_and_print(fullname):
>    result = nameparse(fullname)
>    if result:
>        print "\t".join(result)
>    else:
>        sys.stderr.write('ERROR: Invalid name: %s\n' % fullname)
>        sys.exit(1)
>
>def main():
>    if len(sys.argv) > 1 and sys.argv[1] in ['-h', '--help', '-help', '--usage']:
>        usage()
>        sys.exit(0)
>    if len(sys.argv) > 1:
>      for fullname in sys.argv[1:]:
>          parse_and_print(fullname)
>    else:
>      import fileinput
>      for fullname in fileinput.input():
>          parse_and_print(fullname)
>    sys.exit(0)
>
>if __name__ == "__main__":
>    main()

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Attachments on bug 1038211: 832726