class OutputJar(object): # Derived, with heavy modifications, from # http://stackoverflow.com/questions/1281229/how-to-use-jaroutputstream-to-create-a-jar-file def __init__(self, jar=None, output_path="output.jar"): self.output_path = output_path if jar is not None: self.jar = jar self.output = None return self.runpy = None self.setup() def __enter__(self): return self def __exit__(self, type, value, tb): self.close() def setup(self): manifest = Manifest() manifest.getMainAttributes()[Attributes.Name.MANIFEST_VERSION] = "1.0" if self.runpy and os.path.exists(self.runpy): manifest.getMainAttributes()[ Attributes.Name.MAIN_CLASS] = "org.python.util.JarRunner" else: log.debug( "No __run__.py defined, so defaulting to Jython command line") manifest.getMainAttributes()[ Attributes.Name.MAIN_CLASS] = "org.python.util.jython" self.output = open(self.output_path, "wb") self.jar = JarOutputStream(self.output, manifest) self.created_paths = set() self.build_time = int(time.time() * 1000) def close(self): self.jar.close() if self.output: self.output.close() def create_ancestry(self, path_parts): for i in xrange(len(path_parts), 0, -1): # right to left ancestor = "/".join(path_parts[:-i]) + "/" if ancestor == "/": continue # FIXME shouldn't need to do this special casing if ancestor not in self.created_paths: entry = JarEntry(ancestor) entry.time = self.build_time try: self.jar.putNextEntry(entry) self.jar.closeEntry() except ZipException, e: if not "duplicate entry" in str(e): log.error("Problem in creating entry %r", entry, exc_info=True) raise self.created_paths.add(ancestor)
def buildLarchJar(outputStream, additionalFilesAsNameBytesPairs, filterFn=None, larchJarURL=None): """ Build a JAR from an existing Larch JAR, along with additional files to make a packaged program :param outputStream: The output stream to which the JAR is to be written :param additionalFilesAsNameBytesPairs: Additional files in the form of a sequence of tuples consisting of (path, bytes) :param filterFn: (optional) A filter function that can be used to exclude files from the existing Larch JAR; takes the form of function(name) -> boolean, should return True if file should be included :param larchJarURL: (optional) A URL at which the existing Larch JAR can be obtained. If None, it will use the JAR from which Larch was started. Raises an error if no URL provided and Larch was not started from a JAR """ if larchJarURL is None: larchJarURL = _larchJarURL if larchJarURL is None: raise RuntimeError, 'Larch was not loaded from a JAR file and no Larch JAR file was provided' jarIn = JarInputStream(larchJarURL.openStream()) manifestIn = jarIn.getManifest() manifestOut = Manifest(manifestIn) jarOut = JarOutputStream(outputStream, manifestOut) bytesBuffer = jarray.zeros(_BYTES_BUFFER_SIZE, 'b') entryIn = jarIn.getNextJarEntry() while entryIn is not None: name = entryIn.getName() if filterFn is None or filterFn(name): bufferStream = ByteArrayOutputStream() while True: bytesRead = jarIn.read(bytesBuffer, 0, _BYTES_BUFFER_SIZE) if bytesRead == -1: break bufferStream.write(bytesBuffer, 0, bytesRead) entryOut = ZipEntry(name) entryOut.setSize(bufferStream.size()) jarOut.putNextEntry(entryOut) bufferStream.writeTo(jarOut) jarOut.closeEntry() entryIn = jarIn.getNextJarEntry() for name, bytes in additionalFilesAsNameBytesPairs: size = len(bytes) entryOut = ZipEntry(name) entryOut.setSize(size) jarOut.putNextEntry(entryOut) jarOut.write(bytes, 0, size) jarOut.closeEntry() jarOut.finish()
class OutputJar(object): # Derived, with heavy modifications, from # http://stackoverflow.com/questions/1281229/how-to-use-jaroutputstream-to-create-a-jar-file def __init__(self, jar=None, output_path="output.jar"): self.output_path = output_path if jar is not None: self.jar = jar self.output = None return self.runpy = None self.setup() def __enter__ (self): return self def __exit__ (self, type, value, tb): self.close() def setup(self): manifest = Manifest() manifest.getMainAttributes()[Attributes.Name.MANIFEST_VERSION] = "1.0" if self.runpy and os.path.exists(self.runpy): manifest.getMainAttributes()[Attributes.Name.MAIN_CLASS] = "org.python.util.JarRunner" else: log.debug("No __run__.py defined, so defaulting to Jython command line") manifest.getMainAttributes()[Attributes.Name.MAIN_CLASS] = "org.python.util.jython" self.output = open(self.output_path, "wb") self.jar = JarOutputStream(self.output, manifest) self.created_paths = set() self.build_time = int(time.time() * 1000) def close(self): self.jar.close() if self.output: self.output.close() def create_ancestry(self, path_parts): for i in xrange(len(path_parts), 0, -1): # right to left ancestor = "/".join(path_parts[:-i]) + "/" if ancestor == "/": continue # FIXME shouldn't need to do this special casing if ancestor not in self.created_paths: entry = JarEntry(ancestor) entry.time = self.build_time try: self.jar.putNextEntry(entry) self.jar.closeEntry() except ZipException, e: if not "duplicate entry" in str(e): log.error("Problem in creating entry %r", entry, exc_info=True) raise self.created_paths.add(ancestor)
manifest) while 1: entry = jar.getNextEntry() if not entry: break out = [] l3 = 512 while 1: bt = jpype.JArray(jpype.JByte)(l3) l = jar.read(bt, 0, l3) if l == -1: break out.append((l, bt)) if out: out[0][1][7] = 57 crc = CRC32() for v in out: crc.update(v[1], 0, v[0]) entry.setCrc(crc.getValue()) entry.setCompressedSize(-1) target.putNextEntry(entry) for v in out: target.write(v[1], 0, v[0]) target.closeEntry() target.close()