Add DBUtils example

Author: Cito

.gitignore

@@ -21,6 +21,7 @@ _build/
 
 Thumbs.db
 .DS_Store
+demo.db
 
 Cache/
 Logs/

.pylintrc

@@ -24,6 +24,7 @@ disable =
  missing-docstring,
  no-self-use,
  protected-access,
+ raise-missing-from,
  redefined-argument-from-local,
  redefined-outer-name
 
@@ -46,7 +47,7 @@ variable-naming-style = camelCase
 
 good-names =
  b, c, d, e, f, g, h, i, j, k, m, n, p, q, r, s, t, ,v, w, x, y,
- dt, fd, fp, fs, ip, ok, tm, ts, wr,
+ db, dt, fd, fp, fs, ip, ok, tm, ts, wr,
  dir_, id_, input_, type_,
  allow_none, entry_point, has_key, start_response, ssl_ctx,
  memcache, redis,

setup.py

@@ -18,7 +18,8 @@
     'Sphinx>=2.4,<3', 'sphinx_rtd_theme>=0.4'
 ]
 requireExamples = [
-    'Pygments>=2.6,<3', 'Pillow>=7,<8', 'dominate>=2.5,<3', 'yattag>=1.13,<2'
+    'Pygments>=2.6,<3', 'Pillow>=7,<8', 'dominate>=2.5,<3', 'yattag>=1.13,<2',
+    'DBUtils>=2,<4'
 ]
 requireTests = [
     'psutil>=5.7,<6', 'flake8>=3.8,<4', 'pylint>=2.5,<3', 'tox>=3.15,<4',