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updateSWT.py
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#!/usr/bin/env python3
import requests, zipfile, io, shutil, os, sys
import subprocess
from bs4 import BeautifulSoup
from os.path import expanduser
import urllib.request
import re
import argparse
import atexit
####################################################################
# Prerequisites:
# - Python 3.9 or higher
# - Directory containing mvn command in PATH environment variable.
# - Python BeautifulSoup installed locally. Run 'pip3 install beautifulsoup4'
# - Python requests installed locally. Run 'pip3 install requests'
#
# Side-effects:
# - Zip content extracted in ~/Downloads directory
# - SWT jar files installed in <git clone root>/local-proj-repo subdirectories
#
# Follow-on manual steps:
# - Update version value for SWT dependencies in pom.xml with the downloaded SWT version.
#
# Outline of the steps taken:
# - Start at https://download.eclipse.org/eclipse/downloads/
# - Go to "Latest Release" section
# - Click on the first link in the "Build Name" column
# - Go to "SWT Binary and Source" section
# - Click on the links next to "Windows (64 bit version)", "Mac OSX (64 bit version)", and "Mac OSX (64 bit version for Arm64/AArch64)"
# - Extract the contents of the zip file
# - Go to the extraction folder and run mvn install:install-file command
#
####################################################################
LOCAL_REPO_DIR = "./local-proj-repo"
LOCAL_REPO_SAVE_DIR = "../local-proj-repo-save"
def is_exe(fpath):
return os.path.isfile(fpath) and os.access(fpath, os.X_OK)
def cleanupBeforeExit():
if os.path.isdir(LOCAL_REPO_SAVE_DIR):
# restore local SWT repo before exiting
shutil.move(LOCAL_REPO_SAVE_DIR + "/", LOCAL_REPO_DIR)
shutil.rmtree(LOCAL_REPO_SAVE_DIR)
def exitWithError(errorStr):
print(errorStr)
sys.exit(-1)
def which(program):
fpath, fname = os.path.split(program)
if fpath:
if is_exe(program):
return program
else:
for path in os.environ["PATH"].split(os.pathsep):
exe_file = os.path.join(path, program)
if is_exe(exe_file):
return exe_file
return None
###########################################################
def getSWTDownloadLinkForPlatform(soup, platformString):
results = soup.find(id="SWT").find_next("td").string
while results != None and results != platformString :
results = results.find_next("td").string
if results == platformString :
results = results.find_next("a")['href']
return results
######## end of getSWTDownloadLinkForPlatform ##########
def downloadAndExtractZip(url):
zipfileName = url.split('=',1)[1]
home = expanduser("~")
unzippedDirName = home + "/Downloads/" + zipfileName.removesuffix('.zip') + "/"
# print(unzippedDirName)
page = requests.get(url)
soup = BeautifulSoup(page.content, "html.parser")
zipURL = soup.find("meta").find_next("a")['href']
# print(zipURL)
page = requests.get(zipURL)
soup = BeautifulSoup(page.content, "html.parser")
zipURL = soup.find(id="novaContent").find_next("a").find_next("a")['href']
zipURL = "https://www.eclipse.org/downloads/" + zipURL
# print(zipURL)
# navigate the redirect to the actual mirror
page = requests.get(zipURL)
soup = BeautifulSoup(page.content, "html.parser")
zipURL = soup.find('meta', attrs={'http-equiv': 'Refresh'})['content'].split(';')[1].split('=')[1]
# print(zipURL)
# delete existing content
if os.path.exists(unzippedDirName) and os.path.isdir(unzippedDirName):
shutil.rmtree(unzippedDirName)
response = requests.get(zipURL, stream=True)
z = zipfile.ZipFile(io.BytesIO(response.content))
z.extractall(unzippedDirName)
return unzippedDirName
######## end of downloadAndExtractZip ##########
def installInLocalMavenRepo(unzippedSWTDir, mvnArtifactId, gitCloneRootDir):
# command to execute
swtVersion = unzippedSWTDir.split('-')[1]
# print(swtVersion)
if which("mvn") == None :
exitWithError("did not find mvn command in the execute path")
mavenCommand = "mvn install:install-file " \
+ "-Dfile=" + unzippedSWTDir + "swt.jar " \
+ "-DgroupId=local.swt " \
+ "-DartifactId=" + mvnArtifactId + " " \
+ "-Dversion=" + swtVersion + " " \
+ "-Dpackaging=jar " \
+ "-Dmaven.repo.local=" + gitCloneRootDir + "/local-proj-repo"
# print(mavenCommand)
subprocess.run(mavenCommand, shell=True)
######## end of installInLocalMavenRepo ##########
def updateSWT(mvnArtifactId, downloadPageLabel, gitCloneRootDir, version, forceUpdate):
URL = "https://download.eclipse.org/eclipse/downloads/"
page = requests.get(URL)
soup = BeautifulSoup(page.content, "html.parser")
linkToVersionDownload = ""
localSWTVersion = ""
if os.path.isdir(LOCAL_REPO_SAVE_DIR + "/local/swt/" + mvnArtifactId):
subdirs = os.listdir(LOCAL_REPO_SAVE_DIR + "/local/swt/" + mvnArtifactId + "/")
for dir in subdirs :
localSWTVersion = dir
if version == "" :
anchorElement = soup.find(id="Latest_Release").find_next("a")
linkToVersionDownload = anchorElement['href']
version = anchorElement.text
else:
for link in soup.findAll('a', href=True):
if version in link.text :
linkToVersionDownload = link['href']
break
if forceUpdate == False \
and version.strip() == localSWTVersion.strip() \
and os.path.isdir(LOCAL_REPO_SAVE_DIR + "/local/swt/" + mvnArtifactId) :
shutil.move(LOCAL_REPO_SAVE_DIR + "/local/swt/" + mvnArtifactId + "/", LOCAL_REPO_DIR+ "/local/swt/" + mvnArtifactId)
return
if linkToVersionDownload == "" :
exitWithError("version " + version + " not found for download")
downloadsPage = URL + linkToVersionDownload
page = requests.get(downloadsPage)
soup = BeautifulSoup(page.content, "html.parser")
results = getSWTDownloadLinkForPlatform(soup, downloadPageLabel)
unzippedDir = downloadAndExtractZip(downloadsPage + results)
installInLocalMavenRepo(unzippedDir, mvnArtifactId, gitCloneRootDir)
######## end of updateSWTAndPOM #########################
atexit.register(cleanupBeforeExit)
parser = argparse.ArgumentParser(description = "my parser")
parser.add_argument("-v", "--version", required = False, default = "")
parser.add_argument("-f", "--force", required = False, default = False, nargs='?', const=True)
parser.add_argument("-c", "--cloneroot", required = False, default = os.getcwd())
arguments = parser.parse_args()
# initialize variables from arguments
version = arguments.version
rootdir = arguments.cloneroot
forceUpdate = arguments.force
localSWTVersion = ""
# Save the local SWT repo before proceeding to update
if os.path.isdir(LOCAL_REPO_DIR):
shutil.move(LOCAL_REPO_DIR + "/", LOCAL_REPO_SAVE_DIR)
# Windows
updateSWT("swtwin32_x86_64", "Windows (64 bit version)", rootdir, version, forceUpdate)
# Mac x86
updateSWT("swtmac_x86_64", "Mac OSX (64 bit version)", rootdir, version, forceUpdate)
# Mac ARM
updateSWT("swtmac_aarch64", "Mac OSX (64 bit version for Arm64/AArch64)", rootdir, version, forceUpdate)
# Linux x86
updateSWT("swtlinux_x86_64", "Linux (64 bit version)", rootdir, version, forceUpdate)
# Linux ARM
updateSWT("swtlinux_aarch64", "Linux (64 bit version for AArch64)", rootdir, version, forceUpdate)
if os.path.isdir(LOCAL_REPO_SAVE_DIR):
shutil.rmtree(LOCAL_REPO_SAVE_DIR)
for subdir in os.listdir(LOCAL_REPO_DIR):
if subdir != "local" :
shutil.rmtree(LOCAL_REPO_DIR + "/" + subdir)