DownloadLibs.py

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#!/usr/bin/env python3
# PYTHON_ARGCOMPLETE_OK
# -*- coding: utf-8 -*-
 
# Copyright 2019-2020 CERN and copyright holders of ALICE O2.
# See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
# All rights not expressly granted are reserved.
#
# This software is distributed under the terms of the GNU General Public
# License v3 (GPL Version 3), copied verbatim in the file "COPYING".
#
# In applying this license CERN does not waive the privileges and immunities
# granted to it by virtue of its status as an Intergovernmental Organization
# or submit itself to any jurisdiction.
# \Author: ionut.cristian.arsene@cern.ch
# \Interface:  cevat.batuhan.tolon@cern.ch
 
import urllib.request
from urllib.request import Request, urlopen
import os
import sys
import argparse
import ssl
import logging
import logging.config
import shutil
"""
argcomplete - Bash tab completion for argparse
Documentation https://kislyuk.github.io/argcomplete/
Instalation Steps
pip install argcomplete
sudo activate-global-python-argcomplete
Only Works On Local not in O2
Activate libraries in below and activate #argcomplete.autocomplete(parser) line
"""
import argcomplete
 
# This script provides download to DQ libraries from O2Physics-DQ Manually with/without Production tag or get DQ libraries from alice-software in local machine
 
# header for github download
headers = {
    "User-Agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/35.0.1916.47 Safari/537.36"
    }
 
parser = argparse.ArgumentParser(description = "Arguments to pass")
parser.add_argument(
    "--version", help = "Online: Your Production tag for O2Physics example: for nightly-20220619, just enter as 20220619", action = "store",
    type = str.lower,
    )
parser.add_argument(
    "--debug", help = "Online and Local: execute with debug options", action = "store",
    choices = ["NOTSET", "DEBUG", "INFO", "WARNING", "ERROR", "CRITICAL"], default = "DEBUG", type = str.upper,
    )
parser.add_argument(
    "--local",
    help = "Local: Use Local Paths for getting DQ Libraries instead of online github download. If you are working LXPLUS, It will not working so don't configure with option",
    action = "store_true",
    )
parser.add_argument(
    "--localPath",
    help = "Local: Configure your alice software folder name in your local home path (prefix: home/<user>). Default is home/<user>/alice. Example different configuration is --localpath alice-software --local --> home/<user>/alice-software",
    action = "store", type = str
    )
 
argcomplete.autocomplete(parser)
extrargs = parser.parse_args()
 
MY_PATH = os.path.abspath(os.getcwd())
HOME_PATH = os.environ["HOME"]
 
ALICE_SOFTWARE_PATH = os.environ["HOME"] + "/alice"
 
localPathCutsLibrary = ALICE_SOFTWARE_PATH + "/O2Physics/PWGDQ/Core/CutsLibrary.h"
localPathMCSignalsLibrary = ALICE_SOFTWARE_PATH + "/O2Physics/PWGDQ/Core/MCSignalLibrary.h"
localPathEventMixing = ALICE_SOFTWARE_PATH + "/O2Physics/PWGDQ/Core/MixingLibrary.h"
 
URL_CUTS_LIBRARY = ("https://github.com/AliceO2Group/O2Physics/blob/master/PWGDQ/Core/CutsLibrary.h?raw=true")
URL_MCSIGNALS_LIBRARY = ("https://github.com/AliceO2Group/O2Physics/blob/master/PWGDQ/Core/MCSignalLibrary.h?raw=true")
URL_MIXING_LIBRARY = ("https://github.com/AliceO2Group/O2Physics/blob/master/PWGDQ/Core/MixingLibrary.h?raw=true")
 
isLibsExist = True
 
if extrargs.version is not None:
    prefix_version = "nightly-"
    extrargs.version = prefix_version + extrargs.version
 
if extrargs.debug:
    DEBUG_SELECTION = extrargs.debug
    numeric_level = getattr(logging, DEBUG_SELECTION.upper(), None)
    if not isinstance(numeric_level, int):
        raise ValueError("Invalid log level: %s" % DEBUG_SELECTION)
    logging.basicConfig(format = "[%(levelname)s] %(message)s", level = DEBUG_SELECTION)
 
if extrargs.version and extrargs.local is False:
    logging.info("DQ libs will downloaded from github. Your Version For Downloading DQ Libs From Github : %s", extrargs.version,)
    
    URL_CUTS_LIBRARY = ("https://github.com/AliceO2Group/O2Physics/blob/" + extrargs.version + "/PWGDQ/Core/CutsLibrary.h?raw=true")
    URL_MCSIGNALS_LIBRARY = (
        "https://github.com/AliceO2Group/O2Physics/blob/" + extrargs.version + "/PWGDQ/Core/MCSignalLibrary.h?raw=true"
        )
    URL_MIXING_LIBRARY = ("https://github.com/AliceO2Group/O2Physics/blob/" + extrargs.version + "/PWGDQ/Core/MixingLibrary.h?raw=true")
 
if extrargs.local and extrargs.version:
    logging.warning(
        "Your provided configuration for getting DQ libs in locally. You don't need to configure your github nightly version. It's for Online Downloading"
        )
    logging.warning("%s nightly version will not used in interface. Local working on going", extrargs.version)
 
if extrargs.localPath and extrargs.local:
    ALICE_SOFTWARE_PATH = os.environ["HOME"] + "/" + extrargs.localPath
    logging.info("Alice software Local Path is Changed. New Local Path is %s", ALICE_SOFTWARE_PATH)
    if os.path.isdir(ALICE_SOFTWARE_PATH) is True:
        logging.info("Alice software found at %s local Path change is true", ALICE_SOFTWARE_PATH)
    else:
        logging.error("Alice software not found in path!!! Fatal Error. Check your Alice software path configuration")
        sys.exit()
 
if extrargs.localPath and extrargs.local is False:
    logging.error(
        "Misconfiguration. You forget to add --local option interface for working localy. You need add this parameter to workflow"
        )
    logging.info("Example usage: python3 DownloadLibs.py --local --localPath alice")
    sys.exit()
 
if extrargs.local:
    if extrargs.localPath is None:
        logging.info("Default Path will used for Alice Software. Default Path : %s", ALICE_SOFTWARE_PATH)
        if os.path.isdir(ALICE_SOFTWARE_PATH) is True:
            logging.info("Default Path: %s is Valid", ALICE_SOFTWARE_PATH)
        elif os.path.isdir(ALICE_SOFTWARE_PATH) is False:
            logging.error("Default Path: %s is invalid!! Fatal Error. Check your Alice software path configuration", ALICE_SOFTWARE_PATH,)
            sys.exit()
    
    logging.info("DQ libs will be getting from local folders. You alice software path : %s", ALICE_SOFTWARE_PATH,)
    
    localPathCutsLibrary = ALICE_SOFTWARE_PATH + "/O2Physics/PWGDQ/Core/CutsLibrary.h"
    localPathMCSignalsLibrary = ALICE_SOFTWARE_PATH + "/O2Physics/PWGDQ/Core/MCSignalLibrary.h"
    localPathEventMixing = ALICE_SOFTWARE_PATH + "/O2Physics/PWGDQ/Core/MixingLibrary.h"
    
    logging.info("Local CutsLibrary.h Path: %s ", localPathCutsLibrary)
    logging.info("Local MCSignalsLibrary.h Path: %s ", localPathMCSignalsLibrary)
    logging.info("Local MixingLibrary.h Path: %s ", localPathEventMixing)
    try:
        with open("tempCutsLibrary.h", "wb") as f:
            shutil.copyfile(localPathCutsLibrary, MY_PATH + "/tempCutsLibrary.h")
            if os.path.isfile("tempCutsLibrary.h") is True:
                logging.info("tempCutsLibrary.h created at %s", MY_PATH)
            else:
                logging.error("tempCutsLibrary.h not created at %s Fatal Error", MY_PATH)
                sys.exit()
    except FileNotFoundError:
        logging.error("%s not found in your provided alice-software path!!! Check your alice software path", localPathCutsLibrary,)
        sys.exit()
    
    try:
        with open("tempMCSignalsLibrary.h", "wb") as f:
            shutil.copyfile(localPathMCSignalsLibrary, MY_PATH + "/tempMCSignalsLibrary.h")
            if os.path.isfile("tempMCSignalsLibrary.h") is True:
                logging.info("tempMCSignalsLibrary.h created at %s", MY_PATH)
            else:
                logging.error("tempMCSignalsLibrary.h not created at %s Fatal Error", MY_PATH)
                sys.exit()
    except FileNotFoundError:
        logging.error("%s not found in your provided alice-software path!!! Check your alice software path", localPathMCSignalsLibrary,)
        sys.exit()
    
    try:
        with open("tempMixingLibrary.h", "wb") as f:
            shutil.copyfile(localPathEventMixing, MY_PATH + "/tempMixingLibrary.h")
            if os.path.isfile("tempMixingLibrary.h") is True:
                logging.info("tempMixingLibrary.h created at %s", MY_PATH)
            else:
                logging.error("tempMixingLibrary.h not created at %s Fatal Error", MY_PATH)
                sys.exit()
    except FileNotFoundError:
        logging.error("%s not found in your provided alice-software path!!! Check your alice software path", localPathEventMixing,)
        sys.exit()
    
    logging.info("DQ Libraries pulled from local alice software successfully!")
    sys.exit()
 
if extrargs.local is False:
    if (
        (os.path.isfile("tempCutsLibrary.h") is False) or (os.path.isfile("tempMCSignalsLibrary.h") is False) or
        (os.path.isfile("tempMixingLibrary.h")) is False
        ):
        logging.info("Some Libs are Missing. All DQ libs will download")
        logging.info("Github CutsLibrary.h Path: %s ", URL_CUTS_LIBRARY)
        logging.info("Github MCSignalsLibrary.h Path: %s ", URL_MCSIGNALS_LIBRARY)
        logging.info("Github MixingLibrary.h Path: %s ", URL_MIXING_LIBRARY)
        isLibsExist = False
        if extrargs.debug:
            try:
                context = ssl._create_unverified_context() # prevent ssl problems
                request = urllib.request.urlopen(URL_CUTS_LIBRARY, context = context)
                request = urllib.request.urlopen(URL_MCSIGNALS_LIBRARY, context = context)
                request = urllib.request.urlopen(URL_MIXING_LIBRARY, context = context)
            except urllib.error.HTTPError as error:
                logging.error(error)
        else:
            # Dummy SSL Adder
            context = ssl._create_unverified_context() # prevent ssl problems
            request = urllib.request.urlopen(URL_CUTS_LIBRARY, context = context)
        
        # HTTP Request
        requestCutsLibrary = Request(URL_CUTS_LIBRARY, headers = headers)
        requestMCSignalsLibrary = Request(URL_MCSIGNALS_LIBRARY, headers = headers)
        requestMixingLibrary = Request(URL_MIXING_LIBRARY, headers = headers)
        
        # Get Files With Http Requests
        htmlCutsLibrary = urlopen(requestCutsLibrary, context = context).read()
        htmlMCSignalsLibrary = urlopen(requestMCSignalsLibrary, context = context).read()
        htmlMixingLibrary = urlopen(requestMixingLibrary, context = context).read()
        
        with open("tempCutsLibrary.h", "wb") as f:
            f.write(htmlCutsLibrary)
            logging.info("tempCutsLibrary.h downloaded successfully from github")
        with open("tempMCSignalsLibrary.h", "wb") as f:
            f.write(htmlMCSignalsLibrary)
            logging.info("tempMCSignalsLibrary.h downloaded successfully from github")
        with open("tempMixingLibrary.h", "wb") as f:
            f.write(htmlMixingLibrary)
            logging.info("tempMixingLibrary.h downloaded successfully from github")
    
    if isLibsExist:
        logging.info("DQ Libraries have been downloaded before. If you want to update, delete they manually and run this script again.")
        sys.exit()
    else:
        logging.info("DQ Libraries downloaded from github successfully!")
sys.exit()