88 lines
1.9 KiB
Python
88 lines
1.9 KiB
Python
import sys
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from ipykernel.kernelbase import Kernel
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from simplejoy import (
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default_defs,
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initialize,
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inscribe,
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run,
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stack_to_string,
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)
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#from joy.utils.pretty_print import trace
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#inscribe(trace)
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class FileFaker:
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def __init__(self):
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self.output = ''
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def write(self, text):
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self.output += text
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def flush(self):
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pass
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@classmethod
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def hook(class_, f):
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o = class_()
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sys.stdout, old_stdout = o, sys.stdout
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try:
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f()
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finally:
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sys.stdout = old_stdout
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return o.output
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class JoyKernel(Kernel):
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implementation = 'Joypy'
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implementation_version = '1.0'
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language = 'Joy'
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language_version = '0.5'
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language_info = {
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'name': 'Joy',
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'mimetype': 'text/plain',
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'file_extension': '.joy',
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}
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banner = "Joy kernel"
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def __init__(self, *a, **b):
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self.D = initialize()
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default_defs(self.D)
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self.S = ()
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super(JoyKernel, self).__init__(*a, **b)
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def do_execute(
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self,
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code,
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silent,
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store_history=True,
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user_expressions=None,
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allow_stdin=False,
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):
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def f():
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self.S = run(code, self.S, self.D)[0]
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output = FileFaker.hook(f)
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if not silent:
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text = stack_to_string(self.S)
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if output:
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text = '%s\n%s' % (output, text)
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stream_content = {
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'name': 'stdout',
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'text': text,
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}
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self.send_response(self.iopub_socket, 'stream', stream_content)
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return {'status': 'ok',
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# The base class increments the execution count
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'execution_count': self.execution_count,
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'payload': [],
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'user_expressions': {},
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}
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if __name__ == '__main__':
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from ipykernel.kernelapp import IPKernelApp
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IPKernelApp.launch_instance(kernel_class=JoyKernel)
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