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# stupidly simple jar builder
# Jeff Martin
# 2015-01-05
import os
import sys
import shutil
import subprocess
import zipfile
import tempfile
import re
import fnmatch
# setup tasks
tasks = {}
def registerTask(name, func):
tasks[name] = func
def run():
# get the task name
taskName = "main"
if len(sys.argv) > 1:
taskName = sys.argv[1]
# find that task
try:
task = tasks[taskName]
except:
print "Couldn't find task: %s" % taskName
return
# run it!
task()
# set up the default main task
def mainTask():
print "The main task doesn't do anything by default"
registerTask("main", mainTask)
# library of useful functions
def findFiles(dirSrc, pattern=None):
out = []
for root, dirs, files in os.walk(dirSrc):
for file in files:
path = os.path.join(root, file)[len(dirSrc) + 1:]
if pattern is None or fnmatch.fnmatch(path, pattern):
out.append(path)
return out
def copyFile(dirDest, pathSrc, renameTo=None):
(dirParent, filename) = os.path.split(pathSrc)
if renameTo is None:
renameTo = filename
pathDest = os.path.join(dirDest, renameTo)
shutil.copy2(pathSrc, pathDest)
def copyFiles(dirDest, dirSrc, paths):
for path in paths:
pathSrc = os.path.join(dirSrc, path)
pathDest = os.path.join(dirDest, path)
dirParent = os.path.dirname(pathDest)
if not os.path.isdir(dirParent):
os.makedirs(dirParent)
shutil.copy2(pathSrc, pathDest)
def patternStringToRegex(patternString):
# escape special chars
patternString = re.escape(patternString)
# process ** and * wildcards
replacements = {
re.escape("**"): ".*",
re.escape("*"): "[^" + os.sep + "]+"
}
def getReplacement(match):
print "matched", match
return "a"
patternString = re.compile("(\\\\\*)+").sub(lambda m: replacements[m.group(0)], patternString)
return re.compile("^" + patternString + "$")
def matchesAnyPath(path, patternStrings):
for patternString in patternStrings:
pattern = patternStringToRegex(patternString)
# TEMP
print path, pattern.match(path) is not None
if pattern.match(path) is not None:
return True
return False
def delete(path):
try:
if os.path.isdir(path):
shutil.rmtree(path)
elif os.path.isfile(path):
os.remove(path)
except:
# don't care if it failed
pass
def buildManifest(title, version, author, mainClass=None):
manifest = {
"Title": title,
"Version": version,
"Created-by": author
}
if mainClass is not None:
manifest["Main-Class"] = mainClass
return manifest
def jar(pathOut, dirIn, dirRoot=None, manifest=None):
# build the base args
if dirRoot is None:
dirRoot = dirIn
dirIn = "."
invokeArgs = ["jar"]
filesArgs = ["-C", dirRoot, dirIn]
if manifest is not None:
# make a temp file for the manifest
tempFile, tempFilename = tempfile.mkstemp(text=True)
try:
# write the manifest
for (key, value) in manifest.iteritems():
os.write(tempFile, "%s: %s\n" % (key, value))
os.close(tempFile)
# build the jar with a manifest
subprocess.call(invokeArgs + ["cmf", tempFilename, pathOut] + filesArgs)
finally:
os.remove(tempFilename)
else:
# just build the jar without a manifest
subprocess.call(invokeArgs + ["cf", pathOut] + filesArgs)
print "Wrote jar: %s" % pathOut
def unpackJar(dirOut, pathJar):
with zipfile.ZipFile(pathJar) as zf:
for member in zf.infolist():
zf.extract(member, dirOut)
print "Unpacked jar: %s" % pathJar
def unpackJars(dirOut, dirJars, recursive=False):
for name in os.listdir(dirJars):
path = os.path.join(dirJars, name)
if os.path.isfile(path):
if name[-4:] == ".jar":
unpackJar(dirOut, path)
elif os.path.isdir(path) and recursive:
unpackJars(dirOut, path, recursive)
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