snapcraft snap crashes on elementary loki 0.4

[Alan Pope 🍺🐧🐱 🦄]

Maybe related to bug 1678286

alan@elementaryos:~$ snapcraft
Traceback (most recent call last):
  File "/snap/snapcraft/5/lib/python3.6/site-packages/libnacl/__init__.py", line 62, in _get_nacl
    return ctypes.cdll.LoadLibrary('tweetnacl.so')
  File "/snap/snapcraft/5/usr/lib/python3.6/ctypes/__init__.py", line 422, in LoadLibrary
    return self._dlltype(name)
  File "/snap/snapcraft/5/usr/lib/python3.6/ctypes/__init__.py", line 344, in __init__
    self._handle = _dlopen(self._name, mode)
OSError: tweetnacl.so: cannot open shared object file: No such file or directory

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/snap/snapcraft/5/bin/snapcraft", line 28, in <module>
    import snapcraft.main
  File "/snap/snapcraft/5/lib/python3.6/site-packages/snapcraft/__init__.py", line 363, in <module>
    from snapcraft._store import ( # noqa
  File "/snap/snapcraft/5/lib/python3.6/site-packages/snapcraft/_store.py", line 35, in <module>
    from snapcraft import storeapi
  File "/snap/snapcraft/5/lib/python3.6/site-packages/snapcraft/storeapi/__init__.py", line 34, in <module>
    import pymacaroons
  File "/snap/snapcraft/5/lib/python3.6/site-packages/pymacaroons/__init__.py", line 2, in <module>
    from .macaroon import Macaroon
  File "/snap/snapcraft/5/lib/python3.6/site-packages/pymacaroons/macaroon.py", line 13, in <module>
    from pymacaroons.caveat_delegates import (
  File "/snap/snapcraft/5/lib/python3.6/site-packages/pymacaroons/caveat_delegates/__init__.py", line 4, in <module>
    from .encrypted_first_party import (
  File "/snap/snapcraft/5/lib/python3.6/site-packages/pymacaroons/caveat_delegates/encrypted_first_party.py", line 5, in <module>
    from pymacaroons.field_encryptors import SecretBoxEncryptor
  File "/snap/snapcraft/5/lib/python3.6/site-packages/pymacaroons/field_encryptors/__init__.py", line 2, in <module>
    from .secret_box_encryptor import SecretBoxEncryptor
  File "/snap/snapcraft/5/lib/python3.6/site-packages/pymacaroons/field_encryptors/secret_box_encryptor.py", line 3, in <module>
    from libnacl.secret import SecretBox
  File "/snap/snapcraft/5/lib/python3.6/site-packages/libnacl/__init__.py", line 70, in <module>
    nacl = _get_nacl()
  File "/snap/snapcraft/5/lib/python3.6/site-packages/libnacl/__init__.py", line 68, in _get_nacl
    raise OSError(msg)
OSError: Could not locate nacl lib, searched for libsodium.so, libsodium.so.13, libsodium.so.10, libsodium.so.5, libsodium.so.4, and tweetnacl.so

[Ryan Lee Sipes (ryanleesipes)]

Turns out there is a really simple answer to this, install libsodium-dev. Can that be included in the Snap (the version it actually needs)?

[Sergio Schvezov (sergiusens)]

it is included, look at https://forum.snapcraft.io/t/classic-snaps-and-python/141 for details

[Sergio Schvezov (sergiusens)]

https://github.com/snapcore/snapcraft/pull/1234