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"""Text utils."""
from __future__ import annotations
import re
from functools import cache
RE_HAS_JINJA = re.compile(r"{[{%#].*[%#}]}", re.DOTALL)
RE_HAS_GLOB = re.compile("[][*?]")
RE_IS_FQCN_OR_NAME = re.compile(r"^\w+(\.\w+\.\w+)?$")
def strip_ansi_escape(data: str | bytes) -> str:
"""Remove all ANSI escapes from string or bytes.
If bytes is passed instead of string, it will be converted to string
using UTF-8.
"""
if isinstance(data, bytes): # pragma: no branch
data = data.decode("utf-8")
return re.sub(r"\x1b[^m]*m", "", data)
def toidentifier(text: str) -> str:
"""Convert unsafe chars to ones allowed in variables."""
result = re.sub(r"[\s-]+", "_", text)
if not result.isidentifier():
msg = f"Unable to convert role name '{text}' to valid variable name."
raise RuntimeError(msg)
return result
# https://www.python.org/dev/peps/pep-0616/
def removeprefix(self: str, prefix: str) -> str:
"""Remove prefix from string."""
if self.startswith(prefix):
return self[len(prefix) :]
return self[:]
@cache
def has_jinja(value: str) -> bool:
"""Return true if a string seems to contain jinja templating."""
return bool(isinstance(value, str) and RE_HAS_JINJA.search(value))
@cache
def has_glob(value: str) -> bool:
"""Return true if a string looks like having a glob pattern."""
return bool(isinstance(value, str) and RE_HAS_GLOB.search(value))
@cache
def is_fqcn_or_name(value: str) -> bool:
"""Return true if a string seems to be a module/filter old name or a fully qualified one."""
return bool(isinstance(value, str) and RE_IS_FQCN_OR_NAME.search(value))
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