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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.

import sys
import os
import os.path
sys.path.insert(0,'/usr/share/yum-cli')

import yum
from yum.misc import setup_locale
from yum.packages import parsePackages
from yum.Errors import RepoError
from yum.i18n import exception2msg
from utils import YumUtilBase

from urlparse import urljoin
from urlgrabber.progress import TextMeter
import shutil

import rpmUtils
import logging

rhn_source_repos = True

# This is to fix Bug 469
# To convert from a pkg to a source pkg, we have a problem in that all we have
# is "sourcerpm", which can be a different nevra ... but just to make it fun
# the epoch isn't in the name. So we use rpmUtils.miscutils.splitFilename
# and ignore the arch/epoch ... and hope we get the right thing.
# Eg. run:
# for pkg in yb.pkgSack.returnPackages():
#     if pkg.version not in pkg.sourcerpm:
#         print pkg, pkg.sourcerpm
def _best_convert_pkg2srcpkgs(self, opts, pkg):
    if not opts.source or pkg.arch == 'src':
        return [pkg]

    if pkg.sourcerpm is None:
        self.logger.error('No source RPM found for %s' % str(pkg))
        return []

    (n,v,r,e,a) = rpmUtils.miscutils.splitFilename(pkg.sourcerpm)
    src = self.pkgSack.searchNevra(name=n, ver=v, rel=r, arch='src')
    if src == []:
        self.logger.error('No source RPM found for %s' % str(pkg))

    return src


class YumDownloader(YumUtilBase):
    NAME = 'yumdownloader'
    VERSION = '1.0'
    USAGE = '"yumdownloader [options] package1 [package2] [package..]'
    
    def __init__(self):
        YumUtilBase.__init__(self,
                             YumDownloader.NAME,
                             YumDownloader.VERSION,
                             YumDownloader.USAGE)
        self.logger = logging.getLogger("yum.verbose.cli.yumdownloader")  
        
        self.localPackages = []
                          
        # Add util commandline options to the yum-cli ones
        self.optparser = self.getOptionParser() 
        try:
            self.main()
        except (OSError, IOError), e:
            self.logger.error(exception2msg(e))
            sys.exit(1)

    def main(self):
        # Add command line option specific to yumdownloader
        self.addCmdOptions()
        # Parse the commandline option and setup the basics.
        try:
            opts = self.doUtilConfigSetup()
        except yum.Errors.RepoError, e:
            self.logger.error(exception2msg(e))
            sys.exit(50)
                
        # Check if there is anything to do.
        if len(self.cmds) < 1: 
            print self.optparser.format_help()
            sys.exit(0)

        # make yumdownloader work as non root user.
        if not self.setCacheDir():
            self.logger.error("Error: Could not make cachedir, exiting")
            sys.exit(50)

        # override all pkgdirs
        self.conf.downloaddir = opts.destdir
            
        # Setup yum (Ts, RPM db, Repo & Sack)
        self.doUtilYumSetup(opts)
        # Do the real action
        self.exit_code = self.downloadPackages(opts)
        
    def setupSourceRepos(self):
        # enable the -source repos for enabled primary repos

        enabled = {}
        for repo in self.repos.findRepos('*'):
            enabled[repo.id] = repo.isEnabled()

        for repo in self.repos.findRepos('*'):
            if repo.id.endswith('-source'):
                primary = repo.id[:-7]
            elif rhn_source_repos and repo.id.endswith('-source-rpms'):
                primary = repo.id[:-12] + '-rpms'
            else:
                continue

            if not repo.isEnabled() and enabled.get(primary):
                self.logger.info('Enabling %s repository' % repo.id)
                repo.enable()
        
    def downloadPackages(self,opts):
        
        toDownload = []
    
        packages = self.cmds
        for pkg in packages:
            toActOn = []

            if not pkg or pkg[0] != '@':
                pkgnames = [pkg]
            else:
                group_string = pkg[1:]
                pkgnames = set()
                for grp in self.comps.return_groups(group_string):
                    if 'mandatory' in self.conf.group_package_types:
                        pkgnames.update(grp.mandatory_packages)
                    if 'default' in self.conf.group_package_types:
                        pkgnames.update(grp.default_packages)
                    if 'optional' in self.conf.group_package_types:
                        pkgnames.update(grp.optional_packages)
                    if self.conf.enable_group_conditionals:
                        for condreq, cond in grp.conditional_packages.iteritems():
                            if self.isPackageInstalled(cond):
                                pkgnames.add(condreq)

                if not pkgnames:
                    self.logger.error('No packages for group %s' % group_string)
                    continue

            pos = self.pkgSack.returnPackages(patterns=pkgnames)
            exactmatch, matched, unmatched = parsePackages(pos, pkgnames)
            installable = (exactmatch + matched)
            if not installable:
                try:
                    installable = self.returnPackagesByDep(pkg)
                    installable = yum.misc.unique(installable)
                except yum.Errors.YumBaseError, msg:
                    self.logger.error(exception2msg(msg))
                    continue

            if not installable: # doing one at a time, apart from groups
                self.logger.error('No Match for argument %s' % pkg)
                continue
            for newpkg in installable:
                toActOn.extend(_best_convert_pkg2srcpkgs(self, opts, newpkg))
            if toActOn:
                pkgGroups = self._groupPackages(toActOn)
                for group in pkgGroups:
                    pkgs = pkgGroups[group]
                    if opts.source:
                        toDownload.extend(self.bestPackagesFromList(pkgs, 'src'))
                    elif opts.archlist:
                        for arch in opts.archlist.split(','):
                            toDownload.extend(self.bestPackagesFromList(pkgs, arch))
                    else:
                        toDownload.extend(self.bestPackagesFromList(pkgs))
                            
        # If the user supplies to --resolve flag, resolve dependencies for
        # all packages
        # note this might require root access because the headers need to be
        # downloaded into the cachedir (is there a way around this)
        if opts.resolve:
            self.doTsSetup()
            # Act as if we were to install the packages in toDownload
            for po in toDownload:
                self.tsInfo.addInstall(po)
                self.localPackages.append(po)
            # Resolve dependencies
            result, resultmsgs = self.resolveDeps()
            if result == 1:
                for msg in resultmsgs:
                    self.logger.critical(msg)
                self.logger.critical('Dependency resolution failed, some packages will not be downloaded.')
            # Add newly added packages to the toDownload list
            for pkg in self.tsInfo.getMembers():
                if pkg.ts_state in ('i', 'u') and pkg.po not in toDownload:
                    toDownload.append(pkg.po)
        if len(toDownload) == 0:
            self.logger.error('Nothing to download')
            sys.exit(1)
        if opts.urls:
            for pkg in toDownload:
                print urljoin(pkg.repo.urls[0], pkg.relativepath)
            return 0

        # set localpaths
        for pkg in toDownload:
            pkg.repo.copy_local = True
            pkg.repo.cache = 0

        # use downloader from YumBase
        exit_code = 0
        probs = self.downloadPkgs(toDownload)
        if probs:
            exit_code = 2
            for key in probs:
                for error in probs[key]:
                    self.logger.error('%s: %s', key, error)
        return exit_code
                    
    def _groupPackages(self,pkglist):
        pkgGroups = {}
        for po in pkglist:
            na = '%s.%s' % (po.name,po.arch)
            if not na in pkgGroups:
                pkgGroups[na] = [po]
            else:
                pkgGroups[na].append(po)
        return pkgGroups
            
    # sligly modified from the one in YumUtilBase    
    def doUtilYumSetup(self,opts):
        """do a default setup for all the normal/necessary yum components,
           really just a shorthand for testing"""
        try:
            # Setup source repos
            if opts.source:
                self.setupSourceRepos()
            self._getRepos(doSetup = True)
            # if '--source' is used the add src to the archlist
            if opts.source:
                archlist = rpmUtils.arch.getArchList() + ['src']    
            elif opts.archlist:
                archlist = []
                for a in opts.archlist.split(','):
                    archlist.extend(rpmUtils.arch.getArchList(a))
            else:
                archlist = rpmUtils.arch.getArchList()
            self._getSacks(archlist=archlist)
        except yum.Errors.YumBaseError, msg:
            self.logger.critical(exception2msg(msg))
            sys.exit(1)

    def addCmdOptions(self):
        # this if for compatibility with old API (utils.py from yum < 3.2.23)
        if hasattr(self,'getOptionGroup'): # check if the group option API is available
            group = self.getOptionGroup()
        else:
            group = self.optparser 
        group.add_option("--destdir", default=".", dest="destdir",
          help='destination directory (defaults to current directory)')
        group.add_option("--urls", default=False, dest="urls", action="store_true",
          help='just list the urls it would download instead of downloading')
        group.add_option("--resolve", default=False, dest="resolve", action="store_true",
          help='resolve dependencies and download required packages')
        group.add_option("--source", default=False, dest="source", action="store_true",
          help='operate on source packages')
        group.add_option("--archlist",
          help="only download packages of certain architecture(s)")        

if __name__ == '__main__':
    setup_locale()
    util = YumDownloader()
    sys.exit(util.exit_code)

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RE-INVENTING THE TELEVISION NEWS BUSINESS*

A revolution in video storytelling

Creating entirely new & cost-effective production methods

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.

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ITAY HOD

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.

KIET DO

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.

TAYLOR SCHAUB

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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-We are focused almost entirely on ’the viewer experience’.

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

Case Studies

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CBS News

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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New York Times Television

We started New York Times Television in 1990 and it was the first paper to be brought into the world of TV. It quickly became one of the most successful non-fiction production companies in the United States. The series and documentaries we produced won many awards including multiple Emmys.

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The BBC

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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Spectrum News

For the past five years we have worked with Spectrum News to introduce and train their journalists on visual, character driven storytelling using smartphones helping to create a different kind of local news for their network of 24-Hour News Stations across the United States.

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The United Nations

In 2006, we were approached by the United Nations. Rather than rely on news outlets, it would be much easier to train the field operatives to produce their own stories. We spent two years working with the UN, training more than 100 of their staff in bootcamps in Geneva and Nairobi.

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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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Mcgraw Hill

We spent two years with McGraw Hill, training more than 150 of their staffers, making them completely video literate. McGraw/Hill media properties we transit included Business Week, Aviation Week, (what was the name of the architecture magazine), and JD Power and Associates.

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Voice of America

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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Oyster Yachts

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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Scottish Environmental Protection Agency

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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