Snap installed from store cannot write sqlite database

[adborden]

Running the snap from the snap store fails to write/create the database.

1. Install the snap.

$ snap install pathagar --edge --devmode
pathagar (edge) 0+git.53d8325 from Aaron Borden (adborden) installed

2. Run the snap

$ snap run pathagar.start
Traceback (most recent call last):
  File "/snap/pathagar/2/app/manage.py", line 22, in <module>
    execute_from_command_line(sys.argv)
  File "/snap/pathagar/2/lib/python2.7/site-packages/django/core/management/__init__.py", line 364, in execute_from_command_line
    utility.execute()
  File "/snap/pathagar/2/lib/python2.7/site-packages/django/core/management/__init__.py", line 356, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "/snap/pathagar/2/lib/python2.7/site-packages/django/core/management/base.py", line 283, in run_from_argv
    self.execute(*args, **cmd_options)
  File "/snap/pathagar/2/lib/python2.7/site-packages/django/core/management/base.py", line 330, in execute
    output = self.handle(*args, **options)
  File "/snap/pathagar/2/lib/python2.7/site-packages/django/core/management/commands/migrate.py", line 83, in handle
    executor = MigrationExecutor(connection, self.migration_progress_callback)
  File "/snap/pathagar/2/lib/python2.7/site-packages/django/db/migrations/executor.py", line 20, in __init__
    self.loader = MigrationLoader(self.connection)
  File "/snap/pathagar/2/lib/python2.7/site-packages/django/db/migrations/loader.py", line 52, in __init__
    self.build_graph()
  File "/snap/pathagar/2/lib/python2.7/site-packages/django/db/migrations/loader.py", line 210, in build_graph
    self.applied_migrations = recorder.applied_migrations()
  File "/snap/pathagar/2/lib/python2.7/site-packages/django/db/migrations/recorder.py", line 65, in applied_migrations
    self.ensure_schema()
  File "/snap/pathagar/2/lib/python2.7/site-packages/django/db/migrations/recorder.py", line 52, in ensure_schema
    if self.Migration._meta.db_table in self.connection.introspection.table_names(self.connection.cursor()):
  File "/snap/pathagar/2/lib/python2.7/site-packages/django/db/backends/base/base.py", line 254, in cursor
    return self._cursor()
  File "/snap/pathagar/2/lib/python2.7/site-packages/django/db/backends/base/base.py", line 229, in _cursor
    self.ensure_connection()
  File "/snap/pathagar/2/lib/python2.7/site-packages/django/db/backends/base/base.py", line 213, in ensure_connection
    self.connect()
  File "/snap/pathagar/2/lib/python2.7/site-packages/django/db/utils.py", line 94, in __exit__
    six.reraise(dj_exc_type, dj_exc_value, traceback)
  File "/snap/pathagar/2/lib/python2.7/site-packages/django/db/backends/base/base.py", line 213, in ensure_connection
    self.connect()
  File "/snap/pathagar/2/lib/python2.7/site-packages/django/db/backends/base/base.py", line 189, in connect
    self.connection = self.get_new_connection(conn_params)
  File "/snap/pathagar/2/lib/python2.7/site-packages/django/db/backends/sqlite3/base.py", line 198, in get_new_connection
    conn = Database.connect(**conn_params)
django.db.utils.OperationalError: unable to open database file

[adborden]

https://askubuntu.com/questions/762354/where-can-ubuntu-snaps-write-data

Looks like we want to write data to $SNAP_DATA.