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58
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1 #!/usr/bin/env python
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2
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3 import json
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4 import os
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5 import sys
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6 import argparse
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7
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8 from jupyter_client.kernelspec import KernelSpecManager
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9 from IPython.utils.tempdir import TemporaryDirectory
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10
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11 kernel_json = {
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12 "argv": [
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13 "python3",
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14 "-m",
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82
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15 "jupyter_CbC_kernel",
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58
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16 "-f",
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17 "{connection_file}"
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18 ],
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82
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19 "display_name": "CbC",
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20 "language": "CbC"
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58
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21 }
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22
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23
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24 def install_my_kernel_spec(user=True, prefix=None):
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25 with TemporaryDirectory() as td:
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26 os.chmod(td, 0o755) # Starts off as 700, not user readable
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27 with open(os.path.join(td, 'kernel.json'), 'w') as f:
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28 json.dump(kernel_json, f, sort_keys=True)
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29 # TODO: Copy resources once they're specified
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30
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31 print('Installing IPython kernel spec')
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82
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32 KernelSpecManager().install_kernel_spec(td, 'CbC', user=user, replace=True, prefix=prefix)
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58
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33
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34
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35 def _is_root():
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36 try:
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37 return os.geteuid() == 0
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38 except AttributeError:
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39 return False # assume not an admin on non-Unix platforms
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40
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41
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42 def main(argv=[]):
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43 parser = argparse.ArgumentParser(
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44 description='Install KernelSpec for C Kernel'
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45 )
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46 prefix_locations = parser.add_mutually_exclusive_group()
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47
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48 prefix_locations.add_argument(
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49 '--user',
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50 help='Install KernelSpec in user homedirectory',
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51 action='store_false' if _is_root() else 'store_true'
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52 )
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53 prefix_locations.add_argument(
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54 '--sys-prefix',
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55 help='Install KernelSpec in sys.prefix. Useful in conda / virtualenv',
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56 action='store_true',
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57 dest='sys_prefix'
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58 )
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59 prefix_locations.add_argument(
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60 '--prefix',
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61 help='Install KernelSpec in this prefix',
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62 default=None
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63 )
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64
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65 args = parser.parse_args()
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66
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67 if args.sys_prefix:
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68 prefix = sys.prefix
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69 user = None
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70 elif args.user:
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71 prefix = None
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72 user = True
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73 else:
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74 prefix = args.prefix
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75 user = None
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76
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77 install_my_kernel_spec(user=user, prefix=prefix)
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78
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79
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80 if __name__ == '__main__':
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81 main(argv=sys.argv)
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