no-datetime-today

Julien DelangeBest PracticeInformational

No tags

No CWE or CVE

Avoid using datetime.today() and use instead datetime.now(). The two calls are equivalent (as mentioned in the official documentation) and the use of now() is more explicit than today().

Pattern Rule: datetime.today()

no-datetime-today

How to write a rule

function visit(pattern, filename, code) {
  const error = buildError(pattern.start.line, pattern.start.col, pattern.end.line, pattern.end.col, "use datetime.now() instead of datetime.today()", "INFO", "BEST_PRACTICES");
  const edit = buildEdit(pattern.start.line, pattern.start.col, pattern.end.line, pattern.end.col, "update", "datetime.now()");
  const fix = buildFix("use datetime.now()", [edit]);
  addError(error.addFix(fix));
}

pass

Expected test result: no error

Using datetime.now() does not trigger any issue

from datetime import datetime
print("foo")
bla = datetime.now()

error

Expected test result: has error

Using datetime.today()

from datetime import datetime
print("foo")
bla = datetime.today()

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