examples/python/download_packages_with_cbs.py - master - githubmirror/librepo

examples/python/download_packages_with_cbs.py
96 строк4 KB
lilinjie
fix typo
03 апр 2023, 09:17
03 апр 2023, 09:170067226
#!/usr/bin/env python3

"""
librepo - Example of download_packages() function with use of end,
          failure and mirrorfailure callbacks.
"""

import librepo

if __name__ == "__main__":

    # Setup logging
    #def debug_function(msg, _):
    #    print "DEBUG: %s" % msg
    #librepo.set_debug_log_handler(debug_function)

    # Prepare handle
    h = librepo.Handle()
    h.urls = ["http://beaker-project.org/yum/client-testing/Fedora19/"]
    h.repotype = librepo.YUMREPO

    # Callbacks
    def endcb(data, status, msg):
        print("EndCb: Download of {} finished with status:".format(data))
        if status == librepo.TRANSFER_SUCCESSFUL:
            print("Successfully")
        elif status == librepo.TRANSFER_ALREADYEXISTS:
            print("Already exists")
        else:
            print("Error: {}".format(msg)


    def mirrorfailurecb(data, msg, url):
        print("MirrorFailureCb: Download of {} from {} failed with: {}".format(
            data, url, msg
        ))

    # Prepare list of targets
    packages = []

    target = librepo.PackageTarget("beaker-0.14.0-1.fc18.src.rpm",
                                   handle=h,
                                   checksum_type=librepo.SHA256,
                                   checksum="e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
                                   resume=True,
                                   cbdata="beaker-0.14.0-1.fc18.src.rpm",
                                   endcb=endcb,
                                   mirrorfailurecb=mirrorfailurecb)
    packages.append(target)

    target = librepo.PackageTarget("beaker-0.13.2-1.fc17.noarch.rpm",
                                   handle=h,
                                   checksum_type=librepo.SHA256,
                                   checksum="foobar",
                                   cbdata="beaker-0.13.2-1.fc17.noarch.rpm (bad checksum)",
                                   endcb=endcb,
                                   mirrorfailurecb=mirrorfailurecb)
    packages.append(target)

    target = librepo.PackageTarget("beaker-0.13.2-1.fc17.src.rpm",
                                   handle=h,
                                   checksum_type=librepo.SHA256,
                                   checksum="xyz",
                                   cbdata="beaker-0.13.2-1.fc17.src.rpm (bad checksum)",
                                   endcb=endcb,
                                   mirrorfailurecb=mirrorfailurecb)
    packages.append(target)

    target = librepo.PackageTarget("beaker-client-0.14.1-1.fc18.noarch.rpm",
                                   handle=h,
                                   expectedsize=333333333333333,
                                   cbdata="beaker-client-0.14.1-1.fc18.noarch.rpm (bad size)",
                                   endcb=endcb,
                                   mirrorfailurecb=mirrorfailurecb)
    packages.append(target)

    target = librepo.PackageTarget("rhts-4.56-1.fc17.src.rpm_bad_filename",
                                   handle=h,
                                   cbdata="rhts-4.56-1.fc17.src.rpm_bad_filename (bad path)",
                                   endcb=endcb,
                                   mirrorfailurecb=mirrorfailurecb)
    packages.append(target)

    librepo.download_packages(packages, failfast=False)

    for target in packages:
        print("### {}: {}".format(target.local_path, target.err or "OK"))
        print("Relative URL:      ", target.relative_url)
        print("Destination:       ", target.dest)
        print("Base URL:          ", target.base_url)
        print("Checksum type:     ", target.checksum_type)
        print("Expected checksum: ", target.checksum)
        print("Resume:            ", bool(target.resume))
        print("Local path:        ", target.local_path)
        print("Error:             ", target.err)
        print()