mirror of https://github.com/Mikaela/Limnoria.git
135 lines
4.6 KiB
Python
135 lines
4.6 KiB
Python
#!/usr/bin/env python
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###
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# Copyright (c) 2002, Jeremiah Fincher
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice,
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# this list of conditions, and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions, and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of the author of this software nor the name of
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# contributors to this software may be used to endorse or promote products
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# derived from this software without specific prior written consent.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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###
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"""Old REPL from back in the day. Deprecated."""
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import sys
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import traceback
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from cStringIO import StringIO
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import debug
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filename = 'repl'
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NotYet = object()
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class Repl(object):
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def __init__(self, filename='repl'):
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self.lines = []
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self.filename = filename
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self.namespace = {}
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self.out = StringIO()
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def compile(self, text):
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ret = None
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try:
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code = compile(text, self.filename, 'eval')
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sys.stdout = self.out
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ret = eval(code, self.namespace, self.namespace)
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sys.stdout = sys.__stdout__
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self.out.reset()
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if self.out.read():
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ret = self.out.read() + ret
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self.out.reset()
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self.out.truncate()
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self.namespace['_'] = ret
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except:
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try:
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code = compile(text, self.filename, 'exec')
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sys.stdout = self.out
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exec code in self.namespace, self.namespace
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sys.stdout = sys.__stdout__
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self.out.reset()
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if self.out.read():
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ret = self.out.read() + ret
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self.out.reset()
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self.out.truncate()
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except:
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(E, e, tb) = sys.exc_info()
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ret = ''.join(traceback.format_exception(E, e, tb))
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del tb
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return ret
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def addLine(self, line):
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line = line.rstrip()
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self.lines.append(line)
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if len(self.lines) > 100:
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debug.msg('too many lines in Repl.', 'normal')
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self.lines = []
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return None
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if line == '' or line == '\n' or line == '\r\n':
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text = '\n'.join(self.lines)+'\n\n'
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ret = self.compile(text)
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if ret is not NotYet:
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self.lines = []
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return ret
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else:
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try:
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ret = eval(line, self.namespace, self.namespace)
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self.lines = []
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return ret
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except SyntaxError:
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try:
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exec line in self.namespace, self.namespace
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self.lines = []
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return None
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except:
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pass
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except:
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(E, e, tb) = sys.exc_info()
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return ''.join(traceback.format_exception(E, e, tb))
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del tb
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return NotYet
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if __name__ == '__main__':
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def writePrompt(prompt):
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sys.stdout.write(prompt)
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sys.stdout.flush()
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prompt = '>>> '
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repl = Repl()
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while 1:
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writePrompt(prompt)
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s = sys.stdin.readline()
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if s == '':
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sys.exit(0)
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ret = repl.addLine(s)
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if ret is not NotYet:
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if ret is not None:
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s = str(ret)
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sys.stdout.write(s)
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if s[-1] != '\n':
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sys.stdout.write('\n')
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prompt = '>>> '
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else:
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prompt = '... '
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# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78:
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