File: dummydbm.py

package info (click to toggle)
python-scrapy 2.13.3-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 5,664 kB
  • sloc: python: 52,028; xml: 199; makefile: 25; sh: 7
file content (26 lines) | stat: -rw-r--r-- 499 bytes parent folder | download | duplicates (2) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
 
"""DBM-like dummy module"""

from collections import defaultdict
from typing import Any


class DummyDB(dict):
    """Provide dummy DBM-like interface."""

    def close(self):
        pass


error = KeyError


_DATABASES: defaultdict[Any, DummyDB] = defaultdict(DummyDB)


def open(file, flag="r", mode=0o666):
    """Open or create a dummy database compatible.

    Arguments ``flag`` and ``mode`` are ignored.
    """
    # return same instance for same file argument
    return _DATABASES[file]