[Jython-checkins] SF.net SVN: jython:[7179] trunk/jython/Lib/readline.py

[<pj...@us...>]

Revision: 7179
          http://jython.svn.sourceforge.net/jython/?rev=7179&view=rev
Author:   pjenvey
Date:     2010-12-24 23:27:23 +0000 (Fri, 24 Dec 2010)

Log Message:
-----------
dos2unix

Modified Paths:
--------------
    trunk/jython/Lib/readline.py

Modified: trunk/jython/Lib/readline.py
===================================================================
--- trunk/jython/Lib/readline.py	2010-12-24 23:23:05 UTC (rev 7178)
+++ trunk/jython/Lib/readline.py	2010-12-24 23:27:23 UTC (rev 7179)
@@ -1,181 +1,181 @@
-from __future__ import with_statement
-import os.path
-import sys
-from warnings import warn
-
-import java.lang.reflect.Array
-
-__all__ = ['add_history', 'clear_history', 'get_begidx', 'get_completer',
-           'get_completer_delims', 'get_current_history_length',
-           'get_endidx', 'get_history_item', 'get_history_length',
-           'get_line_buffer', 'insert_text', 'parse_and_bind',
-           'read_history_file', 'read_init_file', 'redisplay',
-           'remove_history_item', 'set_completer', 'set_completer_delims',
-           'set_history_length', 'set_pre_input_hook', 'set_startup_hook',
-           'write_history_file']
-
-try:    
-    _reader = sys._jy_interpreter.reader
-except AttributeError:
-    raise ImportError("Cannot access JLineConsole")
-
-_history_list = None
-
-# The need for the following warnings should go away once we update
-# JLine. Choosing ImportWarning as the closest warning to what is
-# going on here, namely this is functionality not yet available on
-# Jython.
-
-class NotImplementedWarning(ImportWarning):
-    """Not yet implemented by Jython"""
-
-class SecurityWarning(ImportWarning):
-    """Security manager prevents access to private field"""
-
-
-def _setup_history():
-    # This is obviously not desirable, but avoids O(n) workarounds to
-    # modify the history (ipython uses the function
-    # remove_history_item to mutate the history relatively frequently)
-    global _history_list
-    
-    history = _reader.history
-    try:
-        history_list_field = history.class.getDeclaredField("history")
-        history_list_field.setAccessible(True)
-        _history_list = history_list_field.get(history)
-    except:
-        pass
-
-_setup_history()
-
-def parse_and_bind(string):
-    if string == "tab: complete":
-        try:
-            keybindings_field = _reader.class.getDeclaredField("keybindings")
-            keybindings_field.setAccessible(True)
-            keybindings = keybindings_field.get(_reader)
-            COMPLETE = _reader.KEYMAP_NAMES.get('COMPLETE')
-            if java.lang.reflect.Array.getShort(keybindings, 9) != COMPLETE:
-                java.lang.reflect.Array.setShort(keybindings, 9, COMPLETE)
-        except:
-            warn("Cannot bind tab key to complete. You need to do this in a .jlinebindings.properties file instead", SecurityWarning, stacklevel=2)
-    else:
-        warn("Cannot bind key %s. You need to do this in a .jlinebindings.properties file instead" % (string,), NotImplementedWarning, stacklevel=2)
-
-def get_line_buffer():
-    return str(_reader.cursorBuffer.buffer)
-
-def insert_text(string):
-    _reader.putString(string)
-    
-def read_init_file(filename=None):
-    warn("read_init_file: %s" % (filename,), NotImplementedWarning, "module", 2)
-
-def read_history_file(filename="~/.history"):
-    print "Reading history:", filename
-    expanded = os.path.expanduser(filename)
-    new_history = _reader.getHistory().getClass()()
-    # new_history.clear()
-    with open(expanded) as f:
-        for line in f:
-            new_history.addToHistory(line.rstrip())
-    _reader.history = new_history
-    _setup_history()
-
-def write_history_file(filename="~/.history"):
-    expanded = os.path.expanduser(filename)
-    with open(expanded, 'w') as f:
-        for line in _reader.history.historyList:
-            f.write(line)
-            f.write("\n")
-
-def clear_history():
-    _reader.history.clear()
-
-def add_history(line):
-    _reader.addToHistory(line)
-
-def get_history_length():
-    return _reader.history.maxSize
-
-def set_history_length(length):
-    _reader.history.maxSize = length
-
-def get_current_history_length():
-    return len(_reader.history.historyList)
-
-def get_history_item(index):
-    return _reader.history.historyList[index]
-
-def remove_history_item(pos):
-    if _history_list:
-        _history_list.remove(pos)
-    else:
-        warn("Cannot remove history item at position: %s" % (pos,), SecurityWarning, stacklevel=2)
-
-def redisplay():
-    _reader.redrawLine()
-
-def set_startup_hook(function=None):
-    sys._jy_interpreter.startupHook = function
-    
-def set_pre_input_hook(function=None):
-    warn("set_pre_input_hook %s" % (function,), NotImplementedWarning, stacklevel=2)
-
-_completer_function = None
-
-def set_completer(function=None):
-    """set_completer([function]) -> None
-    Set or remove the completer function.
-    The function is called as function(text, state),
-    for state in 0, 1, 2, ..., until it returns a non-string.
-    It should return the next possible completion starting with 'text'."""
-
-    global _completer_function
-    _completer_function = function
-
-    def complete_handler(buffer, cursor, candidates):
-        start = _get_delimited(buffer, cursor)[0]
-        delimited = buffer[start:cursor]
-        for state in xrange(100): # TODO arbitrary, what's the number used by gnu readline?
-            completion = None
-            try:
-                completion = function(delimited, state)
-            except:
-                pass
-            if completion:
-                candidates.add(completion)
-            else:
-                break
-        return start
-
-    _reader.addCompletor(complete_handler)
-    
-
-def get_completer():
-    return _completer_function
-
-def _get_delimited(buffer, cursor):
-    start = cursor
-    for i in xrange(cursor-1, -1, -1):
-        if buffer[i] in _completer_delims:
-            break
-        start = i
-    return start, cursor
-
-def get_begidx():
-    return _get_delimited(str(_reader.cursorBuffer.buffer), _reader.cursorBuffer.cursor)[0]
-
-def get_endidx():
-    return _get_delimited(str(_reader.cursorBuffer.buffer), _reader.cursorBuffer.cursor)[1]
-
-def set_completer_delims(string):
-    global _completer_delims, _completer_delims_set
-    _completer_delims = string
-    _completer_delims_set = set(string)
-
-def get_completer_delims():
-    return _completer_delims
-
-set_completer_delims(' \t\n`~!@#$%^&*()-=+[{]}\\|;:\'",<>/?')
+from __future__ import with_statement
+import os.path
+import sys
+from warnings import warn
+
+import java.lang.reflect.Array
+
+__all__ = ['add_history', 'clear_history', 'get_begidx', 'get_completer',
+           'get_completer_delims', 'get_current_history_length',
+           'get_endidx', 'get_history_item', 'get_history_length',
+           'get_line_buffer', 'insert_text', 'parse_and_bind',
+           'read_history_file', 'read_init_file', 'redisplay',
+           'remove_history_item', 'set_completer', 'set_completer_delims',
+           'set_history_length', 'set_pre_input_hook', 'set_startup_hook',
+           'write_history_file']
+
+try:    
+    _reader = sys._jy_interpreter.reader
+except AttributeError:
+    raise ImportError("Cannot access JLineConsole")
+
+_history_list = None
+
+# The need for the following warnings should go away once we update
+# JLine. Choosing ImportWarning as the closest warning to what is
+# going on here, namely this is functionality not yet available on
+# Jython.
+
+class NotImplementedWarning(ImportWarning):
+    """Not yet implemented by Jython"""
+
+class SecurityWarning(ImportWarning):
+    """Security manager prevents access to private field"""
+
+
+def _setup_history():
+    # This is obviously not desirable, but avoids O(n) workarounds to
+    # modify the history (ipython uses the function
+    # remove_history_item to mutate the history relatively frequently)
+    global _history_list
+    
+    history = _reader.history
+    try:
+        history_list_field = history.class.getDeclaredField("history")
+        history_list_field.setAccessible(True)
+        _history_list = history_list_field.get(history)
+    except:
+        pass
+
+_setup_history()
+
+def parse_and_bind(string):
+    if string == "tab: complete":
+        try:
+            keybindings_field = _reader.class.getDeclaredField("keybindings")
+            keybindings_field.setAccessible(True)
+            keybindings = keybindings_field.get(_reader)
+            COMPLETE = _reader.KEYMAP_NAMES.get('COMPLETE')
+            if java.lang.reflect.Array.getShort(keybindings, 9) != COMPLETE:
+                java.lang.reflect.Array.setShort(keybindings, 9, COMPLETE)
+        except:
+            warn("Cannot bind tab key to complete. You need to do this in a .jlinebindings.properties file instead", SecurityWarning, stacklevel=2)
+    else:
+        warn("Cannot bind key %s. You need to do this in a .jlinebindings.properties file instead" % (string,), NotImplementedWarning, stacklevel=2)
+
+def get_line_buffer():
+    return str(_reader.cursorBuffer.buffer)
+
+def insert_text(string):
+    _reader.putString(string)
+    
+def read_init_file(filename=None):
+    warn("read_init_file: %s" % (filename,), NotImplementedWarning, "module", 2)
+
+def read_history_file(filename="~/.history"):
+    print "Reading history:", filename
+    expanded = os.path.expanduser(filename)
+    new_history = _reader.getHistory().getClass()()
+    # new_history.clear()
+    with open(expanded) as f:
+        for line in f:
+            new_history.addToHistory(line.rstrip())
+    _reader.history = new_history
+    _setup_history()
+
+def write_history_file(filename="~/.history"):
+    expanded = os.path.expanduser(filename)
+    with open(expanded, 'w') as f:
+        for line in _reader.history.historyList:
+            f.write(line)
+            f.write("\n")
+
+def clear_history():
+    _reader.history.clear()
+
+def add_history(line):
+    _reader.addToHistory(line)
+
+def get_history_length():
+    return _reader.history.maxSize
+
+def set_history_length(length):
+    _reader.history.maxSize = length
+
+def get_current_history_length():
+    return len(_reader.history.historyList)
+
+def get_history_item(index):
+    return _reader.history.historyList[index]
+
+def remove_history_item(pos):
+    if _history_list:
+        _history_list.remove(pos)
+    else:
+        warn("Cannot remove history item at position: %s" % (pos,), SecurityWarning, stacklevel=2)
+
+def redisplay():
+    _reader.redrawLine()
+
+def set_startup_hook(function=None):
+    sys._jy_interpreter.startupHook = function
+    
+def set_pre_input_hook(function=None):
+    warn("set_pre_input_hook %s" % (function,), NotImplementedWarning, stacklevel=2)
+
+_completer_function = None
+
+def set_completer(function=None):
+    """set_completer([function]) -> None
+    Set or remove the completer function.
+    The function is called as function(text, state),
+    for state in 0, 1, 2, ..., until it returns a non-string.
+    It should return the next possible completion starting with 'text'."""
+
+    global _completer_function
+    _completer_function = function
+
+    def complete_handler(buffer, cursor, candidates):
+        start = _get_delimited(buffer, cursor)[0]
+        delimited = buffer[start:cursor]
+        for state in xrange(100): # TODO arbitrary, what's the number used by gnu readline?
+            completion = None
+            try:
+                completion = function(delimited, state)
+            except:
+                pass
+            if completion:
+                candidates.add(completion)
+            else:
+                break
+        return start
+
+    _reader.addCompletor(complete_handler)
+    
+
+def get_completer():
+    return _completer_function
+
+def _get_delimited(buffer, cursor):
+    start = cursor
+    for i in xrange(cursor-1, -1, -1):
+        if buffer[i] in _completer_delims:
+            break
+        start = i
+    return start, cursor
+
+def get_begidx():
+    return _get_delimited(str(_reader.cursorBuffer.buffer), _reader.cursorBuffer.cursor)[0]
+
+def get_endidx():
+    return _get_delimited(str(_reader.cursorBuffer.buffer), _reader.cursorBuffer.cursor)[1]
+
+def set_completer_delims(string):
+    global _completer_delims, _completer_delims_set
+    _completer_delims = string
+    _completer_delims_set = set(string)
+
+def get_completer_delims():
+    return _completer_delims
+
+set_completer_delims(' \t\n`~!@#$%^&*()-=+[{]}\\|;:\'",<>/?')


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