code: def _for_text(field):
      # We can infer a vastly more precise strategy by considering the
      # validators as well as the field type.  This is a minimal proof of
      # concept, but we intend to leverage the idea much more heavily soon.
      # See https://github.com/HypothesisWorks/hypothesis-python/issues/1116
      regexes = [
          re.compile(v.regex, v.flags)
          if isinstance(v.regex, str)
          else v.regex
          for v in field.validators
          if isinstance(v, django.core.validators.RegexValidator)
          and not v.inverse_match
      ]
      if regexes:
          # This strategy generates according to one of the regexes, and
          # filters using the others.  It can therefore learn to generate
          # from the most restrictive and filter with permissive patterns.
          # Not maximally efficient, but it makes pathological cases rarer.
          # If you want a challenge: extend https://qntm.org/greenery to
          # compute intersections of the full Python regex language.
          return st.one_of(*(st.from_regex(r) for r in regexes))
      # If there are no (usable) regexes, we use a standard text strategy.
      min_size, max_size = length_bounds_from_validators(field)
      strategy = st.text(
          alphabet=st.characters(
              exclude_characters="\x00", exclude_categories=("Cs",)
          ),
          min_size=min_size,
          max_size=max_size,
      ).filter(lambda s: min_size <= len(s.strip()))
      if getattr(field, "blank", False) or not getattr(
          field, "required", True
      ):
          return st.just("") | strategy
      return strategy
  
imports: import re
  import string
  from datetime import timedelta
  from decimal import Decimal
  from functools import lru_cache
  from typing import Any, Callable, Dict, Type, TypeVar, Union
  import django
  from django import forms
  from django.contrib.auth.forms import UsernameField
  from django.core.validators import validate_ipv4_address, validate_ipv6_address, validate_ipv46_address
  from django.db import models
  from hypothesis import strategies
  from hypothesis.errors import InvalidArgument, ResolutionFailed
  from hypothesis.internal.validation import check_type
  from hypothesis.provisional import urls
  from hypothesis.strategies import emails
label_desc: Use image node_id 16 for calling a global function with example usage: _for_text(field) and returns: strategy, st, unknown