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# ###############################################################################
# Copyright (c) 2014 CEA LIST.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Eclipse Public License v1.0
# which accompanies this distribution, and is available at
# http://www.eclipse.org/legal/epl-v10.html
#
# Contributors:
# Laurent Wouters laurent.wouters@cea.fr - Initial API and implementation
#
# ###############################################################################
"""
This script provides an API to update the URI
of P2 update sites in Tycho pom.xml using the
Eclipse SIMREL repository
"""
import os.path # File path handling
import re # Regular expressions
import shutil # Shell utilities
import subprocess # OS Process management
import sys # System
import xml.dom.minidom # Minimal XML
import console # Console pretty printing
import xmlutils # XML utilities
# URI of the git SIMREL repository
SIMREL_GIT = "http://git.eclipse.org/gitroot/simrel/org.eclipse.simrel.build.git"
# Path of the local SIMREL repository
SIMREL_PATH = "simrel"
def print_usage():
"""
Print how to use this script
:return: None
"""
print("Usage:")
print(" python tycho-updater.py [-h | --help] [--color] [--simrel <local>] <targets>")
print(" <targets> is the list of file to update")
print("Options:")
print(" -h, --help: print this screen")
print(" --color: activate console color")
print(" --simrel <local>: use the SIMREL repo at the given <local> path")
def __get_url_for(simrel, identifier):
"""
Get the update site URL for the given identifier
An identifier is a simple name with an optional '[index]' suffix
where index is the integer index of the update site to use
:param simrel: Path to the local simrel repository
:param identifier: Identifier of the dependency
:return: The URL for the dependency
"""
m = re.match("(?P<id>(\\w|-)+)(\\[(?P<index>\\d+)\\])?", identifier)
if m is None:
return None
file = simrel + "/" + m.group("id") + ".b3aggrcon"
index = m.group("index")
if index is None:
index = 0
else:
index = int(index)
if os.path.isfile(file):
content = xml.dom.minidom.parse(simrel + "/" + m.group("id") + ".b3aggrcon")
location = content.getElementsByTagName("repositories")[index].getAttribute("location")
return location
return None
def update(simrel, target):
"""
Update the given Tycho pom.xml file with new update sites
:param simrel: Path to the local simrel repository
:param target: Path to the target pom.xml to update
:return: None
"""
console.log("Reading " + target)
pom = xml.dom.minidom.parse(target)
console.log("Updating " + target)
for node in pom.getElementsByTagName("repository"):
identifier = node.getElementsByTagName("id")[0].childNodes[0].data
url = node.getElementsByTagName("url")[0].childNodes[0].data
data = __get_url_for(simrel, identifier)
if data is None:
console.log(identifier + " => no matching repository found", "WARNING")
else:
if data == url:
console.log(identifier + " => no change")
else:
node.getElementsByTagName("url")[0].childNodes[0].data = data
console.log(identifier + " => updated to " + data)
console.log("Writing back " + target)
xmlutils.output(pom, target)
def execute(arguments):
"""
Executes the update process
:return: None
"""
# Checks the arguments
nb = len(arguments)
if nb <= 1:
print_usage()
sys.exit(1)
# Initializes the local data
local = False
simrel = SIMREL_PATH
targets = []
# Parse the arguments
expect_local = False
for arg in arguments[1:]:
if arg == "-h" or arg == "--help":
print_usage()
sys.exit(0)
elif arg == console.CLI_COLOR:
console.USE_COLOR = True
elif arg == "--simrel":
expect_local = True
elif expect_local:
local = True
simrel = arg
expect_local = False
else:
targets.append(arg)
# Checks the data
if expect_local:
console.log("Expected path the local SIMREL repo", "ERROR")
print_usage()
sys.exit(1)
if len(targets) == 0:
console.log("No target given", "ERROR")
print_usage()
sys.exit(1)
# Clone the SIMREL repo if needed
if local:
console.log("Using local simrel at " + simrel)
else:
console.log("Cloning the simrel repository from Eclipse")
subprocess.call(["git", "clone", SIMREL_GIT, simrel])
# Do the updates
for target in targets:
update(simrel, target)
# Cleanup if required
if not local:
console.log("Cleaning up ...")
shutil.rmtree(simrel)
if __name__ == "__main__":
execute(sys.argv)
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