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Fixes for in-memory databases

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In-memory databases always allow write access and don't need to
use lock files.
This commit is contained in:
Nick Hall 2017-12-12 18:54:15 +00:00
parent f75a8f9497
commit 46eb72d002
1 changed files with 8 additions and 5 deletions
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13
gramps/gen/db/generic.py
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@ -587,6 +587,9 @@ class DbGeneric(DbWriteBase, DbReadBase, UpdateCallback, Callback):
Return True if we don't have read/write access to the database, Return True if we don't have read/write access to the database,
otherwise return False (that is, we DO have read/write access) otherwise return False (that is, we DO have read/write access)
""" """
# In-memory databases always allow write access.
if name == ':memory:':
return False
# See if we write to the target directory at all? # See if we write to the target directory at all?
if not os.access(name, os.W_OK): if not os.access(name, os.W_OK):
@ -616,7 +619,7 @@ class DbGeneric(DbWriteBase, DbReadBase, UpdateCallback, Callback):
self.readonly = mode == DBMODE_R self.readonly = mode == DBMODE_R
if not self.readonly: if not self.readonly and directory != ':memory:':
write_lock_file(directory) write_lock_file(directory)
# run backend-specific code: # run backend-specific code:
@ -763,10 +766,10 @@ class DbGeneric(DbWriteBase, DbReadBase, UpdateCallback, Callback):
self._close() self._close()
try: try:
clear_lock_file(self.get_save_path()) clear_lock_file(self.get_save_path())
except IOError: except IOError:
pass pass
self.db_is_open = False self.db_is_open = False
self._directory = None self._directory = None