author Bill McCloskey <billm@mozilla.com>
Fri, 10 Feb 2017 22:11:48 -0800
changeset 389828 6ea3593a23e443f50f877ece94e14e9b3f6ffdf2
parent 343511 ce5c5ebc122bf9d776b30dfa359dfa79ee50ec21
child 412905 5a51da7e10a0e0e8b40ff32060123aa5c2629699
permissions -rw-r--r--
Bug 1339289 - Give names to a lot of common runnables (r=ehsan) MozReview-Commit-ID: 5IdvK6kgoAW

#! /usr/bin/env python
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.

# Script name:   talos_from_code.py
# Purpose:       Read from a talos.json file the different files to download for a talos job
# Author(s):     Zambrano Gasparnian, Armen <armenzg@mozilla.com>
# Target:        Python 2.5
from optparse import OptionParser
import json
import re
import urllib2
import urlparse
import sys
import os

def main():
    This script downloads a talos.json file which indicates which files to download
    for a talos job.
    See a talos.json file for a better understand:
    parser = OptionParser()
    parser.add_option("--talos-json-url", dest="talos_json_url", type="string",
                      help="It indicates from where to download the talos.json file.")
    (options, args) = parser.parse_args()

    # 1) check that the url was passed
    if options.talos_json_url is None:
        print("You need to specify --talos-json-url.")

    # 2) try to download the talos.json file
        jsonFilename = download_file(options.talos_json_url)
    except Exception as e:
        print("ERROR: We tried to download the talos.json file but something failed.")
        print("ERROR: %s" % str(e))

    # 3) download the necessary files
    print("INFO: talos.json URL: %s" % options.talos_json_url)
        key = 'talos.zip'
        entity = get_value(jsonFilename, key)
        if passesRestrictions(options.talos_json_url, entity["url"]):
            # the key is at the same time the filename e.g. talos.zip
            print("INFO: Downloading %s as %s" %
                  (entity["url"], os.path.join(entity["path"], key)))
            download_file(entity["url"], entity["path"], key)
            print("ERROR: You have tried to download a file " +
                  "from: %s " % entity["url"] +
                  "which is a location different than http://talos-bundles.pvt.build.mozilla.org/")
            print("ERROR: This is only allowed for the certain branches.")
    except Exception as e:
        print("ERROR: %s" % str(e))

def passesRestrictions(talosJsonUrl, fileUrl):
    Only certain branches are exempted from having to host their downloadable files
    in talos-bundles.pvt.build.mozilla.org
    if talosJsonUrl.startswith("http://hg.mozilla.org/try/") or \
       talosJsonUrl.startswith("https://hg.mozilla.org/try/") or \
       talosJsonUrl.startswith("http://hg.mozilla.org/projects/pine/") or \
       talosJsonUrl.startswith("https://hg.mozilla.org/projects/pine/") or \
       talosJsonUrl.startswith("http://hg.mozilla.org/projects/ash/") or \
        return True
        p = re.compile('^http://talos-bundles.pvt.build.mozilla.org/')
        m = p.match(fileUrl)
        if m is None:
            return False
        return True

def get_filename_from_url(url):
    This returns the filename of the file we're trying to download
    parsed = urlparse.urlsplit(url.rstrip('/'))
    if parsed.path != '':
        return parsed.path.rsplit('/', 1)[-1]
        print("ERROR: We were trying to download a file from %s " +
              "but the URL seems to be incorrect.")

def download_file(url, path="", saveAs=None):
    It downloads a file from URL to the indicated path
    req = urllib2.Request(url)
    f = urllib2.urlopen(req)
    if path != "" and not os.path.isdir(path):
            print("INFO: directory %s created" % path)
        except Exception as e:
            print("ERROR: %s" % str(e))
    filename = saveAs if saveAs else get_filename_from_url(url)
    local_file = open(os.path.join(path, filename), 'wb')
    return filename

def get_value(json_filename, key):
    It loads up a JSON file and returns the value for the given string
    f = open(json_filename, 'r')
    return json.load(f)[key]

if __name__ == '__main__':