Esempio n. 1
0
 @Override
 protected Class<?> findClass(String name) throws ClassNotFoundException {
   PySystemState sys = Py.getSystemState();
   ClassLoader sysClassLoader = sys.getClassLoader();
   if (sysClassLoader != null) {
     // sys.classLoader overrides this class loader!
     return sysClassLoader.loadClass(name);
   }
   // Search the sys.path for a .class file matching the named class.
   PyList path = sys.path;
   for (int i = 0; i < path.__len__(); i++) {
     byte[] buffer;
     PyObject entry = replacePathItem(sys, i, path);
     if (entry instanceof SyspathArchive) {
       SyspathArchive archive = (SyspathArchive) entry;
       buffer = getBytesFromArchive(archive, name);
     } else {
       if (!(entry instanceof PyUnicode)) {
         entry = entry.__str__();
       }
       String dir = entry.toString();
       buffer = getBytesFromDir(dir, name);
     }
     if (buffer != null) {
       definePackageForClass(name);
       return defineClass(name, buffer, 0, buffer.length);
     }
   }
   // couldn't find the .class file on sys.path
   throw new ClassNotFoundException(name);
 }
Esempio n. 2
0
  @Override
  protected Enumeration<URL> findResources(String res) throws IOException {
    List<URL> resources = new ArrayList<URL>();

    PySystemState sys = Py.getSystemState();

    if (res.charAt(0) == SLASH_CHAR) {
      res = res.substring(1);
    }
    String entryRes = res;
    if (File.separatorChar != SLASH_CHAR) {
      res = res.replace(SLASH_CHAR, File.separatorChar);
      entryRes = entryRes.replace(File.separatorChar, SLASH_CHAR);
    }

    PyList path = sys.path;
    for (int i = 0; i < path.__len__(); i++) {
      PyObject entry = replacePathItem(sys, i, path);
      if (entry instanceof SyspathArchive) {
        SyspathArchive archive = (SyspathArchive) entry;
        ZipEntry ze = archive.getEntry(entryRes);
        if (ze != null) {
          try {
            resources.add(new URL("jar:file:" + archive.asUriCompatibleString() + "!/" + entryRes));
          } catch (MalformedURLException e) {
            throw new RuntimeException(e);
          }
        }
        continue;
      }
      if (!(entry instanceof PyUnicode)) {
        entry = entry.__str__();
      }
      String dir = sys.getPath(entry.toString());
      try {
        File resource = new File(dir, res);
        if (!resource.exists()) {
          continue;
        }
        resources.add(resource.toURI().toURL());
      } catch (MalformedURLException e) {
        throw new RuntimeException(e);
      }
    }
    return Collections.enumeration(resources);
  }
 /**
  * make sure post properties override pre properties
  *
  * @throws Exception
  */
 public void testInitialize_PrePostProperties() throws Exception {
   Properties preProps = createPreProperties();
   preProps.setProperty(FIRST_PROP, PRE);
   preProps.setProperty(SECOND_PROP, PRE);
   Properties postProps = createPostProperties();
   postProps.setProperty(SECOND_PROP, POST);
   PySystemState.initialize(preProps, postProps);
   Properties registry = PySystemState.registry;
   String first = registry.getProperty(FIRST_PROP, ANY);
   String second = registry.getProperty(SECOND_PROP, ANY);
   assertEquals(PRE, first);
   assertEquals(POST, second);
 }
 /**
  * make sure a property from the user registry overrides the same property from the installed
  * registry
  *
  * @throws Exception
  */
 public void testInitialize_Registry_User() throws Exception {
   // prepare both registry files
   String installedContent = FIRST_PROP.concat("=").concat(INSTALLED);
   appendToInstalledRegistry(installedContent);
   String userContent = FIRST_PROP.concat("=").concat(USER);
   addUserRegistry(userContent);
   // test with empty pre an post properties
   Properties preProps = createPreProperties();
   Properties postProps = createPostProperties();
   PySystemState.initialize(preProps, postProps);
   Properties registry = PySystemState.registry;
   String first = registry.getProperty(FIRST_PROP, ANY);
   assertEquals(USER, first);
 }
 /**
  * make sure a pre property overrides any registry properties with the same name
  *
  * @throws Exception
  */
 public void testInitialize_Pre_Registries() throws Exception {
   // prepare both registry files
   String contentToAppend = FIRST_PROP.concat("=").concat(INSTALLED);
   appendToInstalledRegistry(contentToAppend);
   String userContent = FIRST_PROP.concat("=").concat(USER);
   addUserRegistry(userContent);
   // set same property on pre properties
   Properties preProps = createPreProperties();
   preProps.setProperty(FIRST_PROP, PRE);
   Properties postProps = createPostProperties();
   PySystemState.initialize(preProps, postProps);
   Properties registry = PySystemState.registry;
   String first = registry.getProperty(FIRST_PROP, ANY);
   assertEquals(PRE, first);
 }
Esempio n. 6
0
  static PyObject replacePathItem(PySystemState sys, int idx, PyList paths) {
    PyObject path = paths.__getitem__(idx);
    if (path instanceof SyspathArchive) {
      // already an archive
      return path;
    }

    try {
      // this has the side affect of adding the jar to the PackageManager during the
      // initialization of the SyspathArchive
      path = new SyspathArchive(sys.getPath(path.toString()));
    } catch (Exception e) {
      return path;
    }
    paths.__setitem__(idx, path);
    return path;
  }
Esempio n. 7
0
  /** <i>Internal use only. Do not call this method explicit.</i> */
  public static void classDictInit(PyObject dict) {
    dict.invoke("clear");
    dict.__setitem__("__name__", new PyString("exceptions"));
    dict.__setitem__("__doc__", new PyString(__doc__));

    ThreadState ts = Py.getThreadState();
    if (ts.getSystemState() == null) { // TODO: is this check still useful??
      ts.setSystemState(Py.defaultSystemState);
    }
    // Push frame
    PyFrame frame = new PyFrame(null, new PyStringMap());
    frame.f_back = ts.frame;
    if (frame.f_builtins == null) {
      if (frame.f_back != null) {
        frame.f_builtins = frame.f_back.f_builtins;
      } else {
        frame.f_builtins = PySystemState.getDefaultBuiltins();
      }
    }
    ts.frame = frame;

    dict.__setitem__("BaseException", PyBaseException.TYPE);

    buildClass(dict, "KeyboardInterrupt", "BaseException", "Program interrupted by user.");

    buildClass(
        dict, "SystemExit", "BaseException", SystemExit(), "Request to exit from the interpreter.");

    buildClass(
        dict, "Exception", "BaseException", "Common base class for all non-exit exceptions.");

    buildClass(
        dict,
        "StandardError",
        "Exception",
        "Base class for all standard Python exceptions that do not represent\n"
            + "interpreter exiting.");

    buildClass(dict, "SyntaxError", "StandardError", SyntaxError(), "Invalid syntax.");

    buildClass(dict, "IndentationError", "SyntaxError", "Improper indentation.");

    buildClass(dict, "TabError", "IndentationError", "Improper mixture of spaces and tabs.");

    buildClass(
        dict,
        "EnvironmentError",
        "StandardError",
        EnvironmentError(),
        "Base class for I/O related errors.");

    buildClass(dict, "IOError", "EnvironmentError", "I/O operation failed.");

    buildClass(dict, "OSError", "EnvironmentError", "OS system call failed.");

    buildClass(dict, "RuntimeError", "StandardError", "Unspecified run-time error.");

    buildClass(
        dict,
        "NotImplementedError",
        "RuntimeError",
        "Method or function hasn't been implemented yet.");

    buildClass(
        dict,
        "SystemError",
        "StandardError",
        "Internal error in the Python interpreter.\n\n"
            + "Please report this to the Python maintainer, "
            + "along with the traceback,\n"
            + "the Python version, and the hardware/OS "
            + "platform and version.");

    buildClass(
        dict, "ReferenceError", "StandardError", "Weak ref proxy used after referent went away.");

    buildClass(dict, "EOFError", "StandardError", "Read beyond end of file.");

    buildClass(
        dict,
        "ImportError",
        "StandardError",
        "Import can't find module, or can't find name in module.");

    buildClass(dict, "TypeError", "StandardError", "Inappropriate argument type.");

    buildClass(
        dict, "ValueError", "StandardError", "Inappropriate argument value (of correct type).");

    buildClass(dict, "UnicodeError", "ValueError", "Unicode related error.");

    buildClass(
        dict,
        "UnicodeEncodeError",
        "UnicodeError",
        UnicodeEncodeError(),
        "Unicode encoding error.");

    buildClass(
        dict,
        "UnicodeDecodeError",
        "UnicodeError",
        UnicodeDecodeError(),
        "Unicode decoding error.");

    buildClass(
        dict,
        "UnicodeTranslateError",
        "UnicodeError",
        UnicodeTranslateError(),
        "Unicode translation error.");

    buildClass(dict, "AssertionError", "StandardError", "Assertion failed.");

    buildClass(dict, "ArithmeticError", "StandardError", "Base class for arithmetic errors.");

    buildClass(dict, "OverflowError", "ArithmeticError", "Result too large to be represented.");

    buildClass(dict, "FloatingPointError", "ArithmeticError", "Floating point operation failed.");

    buildClass(
        dict,
        "ZeroDivisionError",
        "ArithmeticError",
        "Second argument to a division or modulo operation " + "was zero.");

    buildClass(dict, "LookupError", "StandardError", "Base class for lookup errors.");

    buildClass(dict, "IndexError", "LookupError", "Sequence index out of range.");

    buildClass(dict, "KeyError", "LookupError", KeyError(), "Mapping key not found.");

    buildClass(dict, "AttributeError", "StandardError", "Attribute not found.");

    buildClass(dict, "NameError", "StandardError", "Name not found globally.");

    buildClass(
        dict, "UnboundLocalError", "NameError", "Local name referenced but not bound to a value.");

    buildClass(dict, "MemoryError", "StandardError", "Out of memory.");

    buildClass(dict, "BufferError", "StandardError", "Buffer error.");

    buildClass(dict, "StopIteration", "Exception", "Signal the end from iterator.next().");

    buildClass(dict, "GeneratorExit", "BaseException", "Request that a generator exit.");

    buildClass(dict, "Warning", "Exception", "Base class for warning categories.");

    buildClass(dict, "UserWarning", "Warning", "Base class for warnings generated by user code.");

    buildClass(
        dict,
        "DeprecationWarning",
        "Warning",
        "Base class for warnings about deprecated features.");

    buildClass(
        dict,
        "PendingDeprecationWarning",
        "Warning",
        "Base class for warnings about features which will be deprecated\n" + "in the future.");

    buildClass(dict, "SyntaxWarning", "Warning", "Base class for warnings about dubious syntax.");

    buildClass(
        dict,
        "RuntimeWarning",
        "Warning",
        "Base class for warnings about dubious runtime behavior.");

    buildClass(
        dict,
        "FutureWarning",
        "Warning",
        "Base class for warnings about constructs that will change semantically\n"
            + "in the future.");

    buildClass(
        dict,
        "ImportWarning",
        "Warning",
        "Base class for warnings about probable mistakes in module imports");

    buildClass(
        dict,
        "UnicodeWarning",
        "Warning",
        "Base class for warnings about Unicode related problems, mostly\n"
            + "related to conversion problems.");

    buildClass(
        dict,
        "BytesWarning",
        "Warning",
        "Base class for warnings about bytes and buffer related problems, mostly\n"
            + "related to conversion from str or comparing to str.");

    // Initialize ZipImportError here, where it's safe to; it's
    // needed immediately
    zipimport.initClassExceptions(dict);

    ts.frame = ts.frame.f_back;
  }
 public void setErr(PyObject outStream) {
   systemState.stderr = outStream;
 }
 /**
  * Set the Python object to use for the standard output stream
  *
  * @param outStream Python file-like object to use as output stream
  */
 public void setOut(PyObject outStream) {
   systemState.stdout = outStream;
 }
 /**
  * Initializes the jython runtime. This should only be called once, and should be called before
  * any other python objects are created (including a PythonInterpreter).
  *
  * @param preProperties A set of properties. Typically System.getProperties() is used.
  * @param postProperties An other set of properties. Values like python.home, python.path and all
  *     other values from the registry files can be added to this property set. PostProperties will
  *     override system properties and registry properties.
  * @param argv Command line argument. These values will assigned to sys.argv.
  */
 public static void initialize(
     Properties preProperties, Properties postProperties, String[] argv) {
   PySystemState.initialize(preProperties, postProperties, argv);
 }
 public void cleanup() {
   systemState.callExitFunc();
 }