242 lines
8.0 KiB
Python
242 lines
8.0 KiB
Python
import code, re, string, StringIO, sys, traceback
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import color, completer, lex, method, mode
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from lex import Grammar, PatternRule
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from mode.python import PythonGrammar
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from point import Point
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PAD = ' '
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class ConsoleExec(method.Method):
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def _execute(self, w, **vargs):
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if w.application.completion_window_is_open():
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w.application.close_completion_buffer()
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s = w.buffer.make_string()
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w.mode.history[-1] = s
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w.mode.history.append('')
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w.buffer.set_data('')
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w.mode.hindex = len(w.mode.history) - 1
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a = w.application
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if not a.has_buffer_name('*Console*'):
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raise Exception, "No console found!"
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b = a.bufferlist.get_buffer_by_name('*Console*')
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if a.window().buffer is not b:
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a.switch_buffer(b)
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p = a.get_mini_buffer_prompt()
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b.insert_string(b.get_buffer_end(), p + s + '\n', force=True)
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if w.mode.saved_input:
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s = w.mode.saved_input + '\n' + s
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try:
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code_obj = code.compile_command(s)
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if code_obj is None:
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w.mode.saved_input = s
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a.set_mini_buffer_prompt('--> ')
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output = None
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else:
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w.mode.saved_input = ''
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a.set_mini_buffer_prompt('>>> ')
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sys.stdout = code_out = StringIO.StringIO()
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sys.stderr = code_err = StringIO.StringIO()
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ok = True
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try:
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exec code_obj in w.mode.globals, w.mode.locals
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except Exception, e:
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ok = False
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output = str(e) + '\n'
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sys.stdout = sys.__stdout__
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sys.stdout = sys.__stderr__
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if ok:
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output = code_out.getvalue()
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code_out.close()
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code_err.close()
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except (SyntaxError, OverflowError, ValueError), e:
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a.set_mini_buffer_prompt('>>> ')
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t = sys.exc_traceback
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output = str(e) + traceback.format_exc()
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limit = min([w.width for w in b.windows]) - len(PAD)
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if output:
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newlines = []
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for line in output.split('\n'):
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i = 0
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while i + limit < len(line):
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j = limit
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while j > 0 and line[i + j] != ' ':
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j -= 1
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if j == 0:
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newlines.append(PAD + line[i:i + limit])
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i += j
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else:
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newlines.append(PAD + line[i:i + j])
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i += j + 1
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newlines.append(PAD + line[i:])
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assert newlines[-1] == PAD
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newlines[-1] = ''
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b.insert_lines(b.get_buffer_end(), newlines, force=True)
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for w2 in b.windows:
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w2.goto_end(force=True)
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class ConsoleCancel(method.Method):
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def execute(self, w, **vargs):
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w.application.close_mini_buffer()
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if w.application.completion_window_is_open():
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w.application.close_completion_buffer()
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class ConsoleClear(method.Method):
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def execute(self, w, **vargs):
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a = w.application
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if not a.has_buffer_name('*Console*'):
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raise Exception, "No console found!"
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b = a.bufferlist.get_buffer_by_name('*Console*')
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b.clear()
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class ConsoleHistoryPrev(method.Method):
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def execute(self, w, **vargs):
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if w.mode.hindex <= 0:
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w.mode.hindex = 0
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return
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elif w.mode.hindex == len(w.mode.history) - 1:
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w.mode.history[-1] = w.buffer.make_string()
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w.mode.hindex -= 1
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w.buffer.set_data(w.mode.history[w.mode.hindex])
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class ConsoleHistoryNext(method.Method):
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def execute(self, w, **vargs):
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if w.mode.hindex == len(w.mode.history) - 1:
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return
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w.mode.hindex += 1
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w.buffer.set_data(w.mode.history[w.mode.hindex])
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class ConsoleTab(method.Method):
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def execute(self, w, **vargs):
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a = w.application
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s = w.buffer.make_string()
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x = w.logical_cursor().x
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if not s or s[:x].isspace():
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w.insert_string_at_cursor(' ' * w.mode.tabwidth)
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return
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l = lex.Lexer(w.mode, PythonGrammar)
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tokens = list(l.lex([s]))
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curr_t = None
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curr_i = None
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for i in range(0, len(tokens)):
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t = tokens[i]
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if t.x < x and t.end_x() >= x:
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curr_i = i
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curr_t = t
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if curr_t is None:
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return
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first_t = curr_t
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j = curr_i
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name_re = re.compile('^[a-zA-Z_][a-zA-Z0-9_]*$')
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if name_re.match(curr_t.string):
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names = [curr_t.string]
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elif curr_t.string == '.':
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names = ['']
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else:
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names = []
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while j >= 1:
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j -= 1
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t = tokens[j]
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if name_re.match(t.string):
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names.insert(0, t.string)
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elif t.string == '.':
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pass
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else:
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break
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if not names:
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return
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obj = None
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g = globals()
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i = 0
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name = names[0]
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if len(names) > 1:
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while i < len(names):
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name = names[i]
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if obj is None:
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if name in w.mode.locals:
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obj = w.mode.locals[name]
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elif name in w.mode.globals:
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obj = w.mode.globals[name]
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else:
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break
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else:
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if hasattr(obj, name):
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obj = getattr(obj, name)
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else:
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break
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i += 1
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if i == len(names) - 1:
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if obj is not None:
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newnames = dir(obj)
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else:
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newnames = set()
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newnames.update(__builtins__)
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newnames.update(w.mode.locals)
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newnames.update(w.mode.globals)
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candidates = [x for x in newnames if x.startswith(name)]
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s = completer.find_common_string(candidates)[len(name):]
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w.insert_string_at_cursor(s)
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mode.mini.use_completion_window(a, name, candidates)
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class ConsoleBaseMethod(method.Method):
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subcls = method.Method
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subbuf = '*Console*'
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def __init__(self):
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method.Method.__init__(self)
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self.submethod = self.subcls()
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def _execute(self, w, **vargs):
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a = w.application
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if not a.has_buffer_name(self.subbuf):
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raise Exception, "No console found!"
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w2 = a.bufferlist.get_buffer_by_name(self.subbuf).windows[0]
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self.submethod.execute(w2, **vargs)
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class ConsolePageUp(ConsoleBaseMethod):
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subcls = method.move.PageUp
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class ConsolePageDown(ConsoleBaseMethod):
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subcls = method.move.PageDown
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class ConsoleGotoBeginning(ConsoleBaseMethod):
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subcls = method.move.GotoBeginning
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class ConsoleGotoEnd(ConsoleBaseMethod):
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subcls = method.move.GotoEnd
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class ConsoleMini(mode.Fundamental):
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modename = 'ConsoleMini'
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grammar = PythonGrammar
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actions = [ConsoleExec, ConsoleClear, ConsoleCancel, ConsoleHistoryPrev,
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ConsoleHistoryNext, ConsoleTab,
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ConsolePageUp, ConsolePageDown, ConsoleGotoBeginning, ConsoleGotoEnd]
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_bindings = {
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'console-exec': ('RETURN',),
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'console-clear': ('C-l',),
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'console-cancel': ('C-]', 'C-g'),
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'console-history-prev': ('C-p', 'UP'),
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'console-history-next': ('C-n', 'DOWN'),
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'console-tab': ('TAB',),
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'console-page-up': ('M-v',),
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'console-page-down': ('C-v',),
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'console-goto-beginning': ('M-<',),
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'console-goto-end': ('M->',),
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}
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def __init__(self, w):
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mode.Fundamental.__init__(self, w)
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self.globals = dict(w.application.globals())
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self.locals = dict(w.application.locals())
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self.saved_input = ""
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self.history = ['']
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self.hindex = 0
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install = ConsoleMini.install
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