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#!/usr/bin/python

# 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.

# (c) Copyright Seth Vidal 2004

# need hdropen, dir traversing, version comparison, and getopt (eventually)

# this should take a dir, traverse it - build a dict of foo[(name, arch)] = [/path/to/file/that/is/highest, /path/to/equalfile]

import os
import sys
import rpm
import fnmatch
import string
import rpmUtils
from yum import misc

from optparse import OptionParser


def errorprint(stuff):
    print >> sys.stderr, stuff
    
    
def getFileList(path, ext, filelist):
    """Return all files in path matching ext, store them in filelist, recurse dirs
       return list object"""
    
    extlen = len(ext)
    try:
        dir_list = os.listdir(path)
    except OSError, e:
        errorprint('Error accessing directory %s, %s' % (path, str(e)))
        return []
        
    for d in dir_list:
        if os.path.isdir(path + '/' + d):
            filelist = getFileList(path + '/' + d, ext, filelist)
        else:
            if string.lower(d[-extlen:]) == '%s' % (ext):
                newpath = os.path.normpath(path + '/' + d)
                filelist.append(newpath)
                    
    return filelist


def trimRpms(rpms, excludeGlobs):
    # print 'Pre-Trim Len: %d' % len(rpms)
    badrpms = []
    for fn in rpms:
        for glob in excludeGlobs:
            if fnmatch.fnmatch(fn, glob):
                # print 'excluded: %s' % fn
                if fn not in badrpms:
                    badrpms.append(fn)
    for fn in badrpms:
        if fn in rpms:
            rpms.remove(fn)            
    # print 'Post-Trim Len: %d' % len(rpms)
    return rpms


def parseargs(args):
    usage = """
    repomanage: manage a directory of rpm packages. returns lists of newest 
                or oldest packages in a directory for easy piping to xargs
                or similar programs.
    repomanage [--old] [--new] path.
    """
    parser = OptionParser(usage=usage)
    
    # new is only used to make sure that the user is not trying to get both 
    # new and old, after this old and not old will be used. 
    # (default = not old = new)
    parser.add_option("-o", "--old", default=False, action="store_true",
      help='print the older packages')
    parser.add_option("-n", "--new", default=False, action="store_true",
      help='print the newest packages')
    parser.add_option("-s", "--space", default=False, action="store_true",
      help='space separated output, not newline')
    parser.add_option("-k", "--keep", default=1, dest='keep', action="store",
      help='newest N packages to keep - defaults to 1')
    parser.add_option("-c", "--nocheck", default=0, action="store_true", 
      help='do not check package payload signatures/digests')
    
    (opts, args)= parser.parse_args()
    
    
    if opts.new and opts.old:
        errorprint('\nPass either --old or --new, not both!\n')
        print parser.format_help()
        sys.exit(1)
        
    if len(args) > 1:
        errorprint('Error: Only one directory allowed per run.')
        print parser.format_help()
        sys.exit(1)
        
    if len(args) < 1:
        errorprint('Error: Must specify a directory to index.')
        print parser.format_help()
        sys.exit(1)
        
    return (opts, args)


def main(args):
    
    (options, args) = parseargs(args)
    mydir = args[0]

    
    rpmList = []
    rpmList = getFileList(mydir, '.rpm', rpmList)
    verfile = {}
    pkgdict = {} # hold all of them - put them in (n,a) = [(e,v,r),(e1,v1,r1)]
    
    keepnum = int(options.keep)*(-1) # the number of items to keep
    
    if len(rpmList) == 0:
        errorprint('No files to process')
        sys.exit(1)
    

    ts = rpm.TransactionSet()
    if options.nocheck:
        ts.setVSFlags(~(rpm._RPMVSF_NOPAYLOAD))
    else:
        ts.setVSFlags(~(rpm.RPMVSF_NOMD5|rpm.RPMVSF_NEEDPAYLOAD))
    for pkg in rpmList:
        try:
            hdr = rpmUtils.miscutils.hdrFromPackage(ts, pkg)
        except rpmUtils.RpmUtilsError, e:
            msg = "Error opening pkg %s: %s" % (pkg, str(e))
            errorprint(msg)
            continue
        
        pkgtuple = rpmUtils.miscutils.pkgTupleFromHeader(hdr)
        (n,a,e,v,r) = pkgtuple
        del hdr
        
        if (n,a) not in pkgdict:
            pkgdict[(n,a)] = []
        pkgdict[(n,a)].append((e,v,r))
        
        if pkgtuple not in verfile:
            verfile[pkgtuple] = []
        verfile[pkgtuple].append(pkg)
        
    for natup in pkgdict.keys():
        evrlist = pkgdict[natup]
        if len(evrlist) > 1:
            evrlist = misc.unique(evrlist)
            evrlist.sort(rpmUtils.miscutils.compareEVR)
            pkgdict[natup] = evrlist
                
    del ts

    # now we have our dicts - we can return whatever by iterating over them
    
    outputpackages = []
    
    #if new
    if not options.old:
        for (n,a) in pkgdict.keys():
            evrlist = pkgdict[(n,a)]
            
            if len(evrlist) < abs(keepnum):
                newevrs = evrlist
            else:
                newevrs = evrlist[keepnum:]
            
            for (e,v,r) in newevrs:
                for pkg in verfile[(n,a,e,v,r)]:
                    outputpackages.append(pkg)
   
    if options.old:
        for (n,a) in pkgdict.keys():
            evrlist = pkgdict[(n,a)]
            
            if len(evrlist) < abs(keepnum):
                continue
 
            oldevrs = evrlist[:keepnum]
            for (e,v,r) in oldevrs:
                for pkg in verfile[(n,a,e,v,r)]:
                    outputpackages.append(pkg)
    
    outputpackages.sort()
    for pkg in outputpackages:
        if options.space:
            print '%s' % pkg,
        else:
            print pkg
        
    
def usage():
    print """
      repomanage [--old] [--new] path
      -o --old - print the older packages
      -n --new - print the newest packages
      -s --space - space separated output, not newline
      -k --keep - newest N packages to keep - defaults to 1
      -c --nocheck - do not check package payload signatures/digests
      -h --help - duh
    By default it will output the full path to the newest packages in the path.
        """
        

if __name__ == "__main__":
    if len(sys.argv) < 1:
        usage()
        sys.exit(1)
    else:
        main(sys.argv[1:])

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RE-INVENTING THE TELEVISION NEWS BUSINESS*

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From the world leaders in video production training and the creators of Character Driven Storytelling™

*and every other business that uses video

WHAT WE DO

Over the past 35 years, we have designed, built or restructured some of the most powerful news and journalism companies in the world.

We replace the traditional TV news ‘crew’ with one highly trained journalist, working alone with nothing but an iPhone.

No more TV news ‘crews’, no editors and no field producers.

This is television news done the way newspaper journalism is done – one reporter with their electronic pad and pencil.

In doing this, we can cut the cost of production by as much as 75% while increasing ratings and audience engagement.

In the place of conventional TV news ‘packages’ – ie, reporter stand up, interview, b-roll, man on the street, we marry great journalism with Netflix and Hollywood storytelling.

It’s a combination that works.

We have taken most of our clients to #1 in their respective markets.

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Itay Hod, MMJ with KPIX/CBS in San Francisco, took the 5-Day Intensive Video Storytelling Bootcamp in 2018.

Because he works alone, with only an iPhone, he was able to embed himself with a homeless family.

Here’s the story he produced in a one-day turn.

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Kiet Do, an MMJ with KPIX/CBS in San Francisco, took the 5-Day Intensive Video Storytelling Bootcamp in 2021.

Here is a story he produced, all on his own, with only an iPhone and in a one-day turn.

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Taylor Schaub, an MMJ with Spectrum News 1 in LA, took the 5-Day Intensive Video Storytelling Bootcamp in 2023.

Here is a story he turned in only one day, using only an iPhone. It was the first video story he ever did and it was nominated for an Emmy.

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How do we convert stations and whole networks to working in this way?

Since 1988, we have run intensive 5-Day Video Storytelling Bootcamps

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-We shoot at a 3:1 ratio or lower, so turnaround times are fast.

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Since 1988, more than 70,000 journalists around the world have taken our bootcamps, either in person on virtualy.

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We have started to work with CBS News, bringing our ideas of character-driven storytelling to one of the most successful and biggest networks in the United States. Since beginning to work with them ratings have climbed and more importantly, audience engagement is through the ceiling.

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We have been working with the BBC since the year 2000 helping to convert their national news network to our visual storytelling technique. Most recently we have trained teams from their sports, documentaries, and comedy divisions to make character-driven stories using only smartphones.

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The Newark Star-Ledger

We trained 50 print reporters at the paper to shoot and tell their own stories, in conjunction with their print work. We built a TV newsroom in their existing print newsroom – you could not ask for a better set and they began to live stream their stories in conjunction with their print work.

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In 1990, we were approached by The Voice of America, the official broadcasting agency for the United States Government. When we met with VOA, they were only a short wave radio broadcaster, but working with them, we took them into television, launching VOA-TV.

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British based Oyster Yachts makes some of the finest yachts in the world. Like every other company, they had to find a way to feed the never-ending video demands of social media – sites like Instagram and TikTok. We trained the Oyster staff to tell their own stories, using only iPhones.

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We were approached by SEPA, the Scottish Environmental Protection Agency because they had to continually find a way to ‘feed the media beast’. The result was that SEPA was able to tell their own stories, whenever they wanted, and at almost no additional cost.

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Michael on Media

Michael Rosenblum has been writing about the media since 1988. His work and ideas have appeared in The Guardian, The Huffington Post, Ilkeston Life and many other publications.

He has been blogging regularly for the past 35 years on this subject. Having taught media studies at Columbia University, NYU and now the University of Oxford, he is considered an expert on this subject.

Continue reading this post or look back at previous posts.

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