Removed AsStringRegexpPredicate in favour of transform predicates

3 files changed, 5 insertions, 31 deletions

diff --git a/ChangeLog b/ChangeLog
index 267cefeb..b10ffe8f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -2,7 +2,11 @@ Change log for the astroid package (used to be astng)
 =====================================================
 
 -- 2.0
---
+
+   * AsStringRegexpPredicate has been removed.
+
+     Use transform predicates instead of it.
+
    * Switched to using typed_ast for getting access to type comments
 
      As a side effect of this change, some nodes gained a new `type_annotation` attribute,
diff --git a/astroid/__init__.py b/astroid/__init__.py
index bd9069d3..3c9c80cb 100644
--- a/astroid/__init__.py
+++ b/astroid/__init__.py
@@ -32,8 +32,6 @@ Main modules are:
 
 import os
 import sys
-import re
-from operator import attrgetter
 
 import enum
 
@@ -74,29 +72,6 @@ del AstroidManager
 
 # transform utilities (filters and decorator)
 
-class AsStringRegexpPredicate(object):
-    """ClassDef to be used as predicate that may be given to `register_transform`
-
-    First argument is a regular expression that will be searched against the `as_string`
-    representation of the node onto which it's applied.
-
-    If specified, the second argument is an `attrgetter` expression that will be
-    applied on the node first to get the actual node on which `as_string` should
-    be called.
-
-    WARNING: This can be fairly slow, as it has to convert every AST node back
-    to Python code; you should consider examining the AST directly instead.
-    """
-    def __init__(self, regexp, expression=None):
-        self.regexp = re.compile(regexp)
-        self.expression = expression
-
-    def __call__(self, node):
-        if self.expression is not None:
-            node = attrgetter(self.expression)(node)
-        # pylint: disable=no-member; github.com/pycqa/astroid/126
-        return self.regexp.search(node.as_string())
-
 def inference_tip(infer_function, raise_on_overwrite=False):
     """Given an instance specific inference function, return a function to be
     given to MANAGER.register_transform to set this inference function.
diff --git a/doc/extending.rst b/doc/extending.rst
index 83ffe512..bf32963e 100644
--- a/doc/extending.rst
+++ b/doc/extending.rst
@@ -15,11 +15,6 @@ subdirectory, which are taken from the `pylint-brain`_ project.
 Transformation functions are registered using the `register_transform` method of
 the Astroid manager:
 
-
-To add filtering based on the `as_string` representation of the node
-in addition to the type, the :class:`astroid.AsStringRegexpPredicate`
-predicate object can be used.
-
 Last but not least, the :func:`inference_tip` function is there to register
 a custom inference function.