Remove dead escape code and require Python 3.5 which drops Py 3.7 (#2249

)

pymdownx/escapeall.py

@@ -24,9 +24,7 @@
 """
 from markdown import Extension
 from markdown.inlinepatterns import InlineProcessor, SubstituteTagInlineProcessor
-from markdown.postprocessors import Postprocessor
 from markdown import util as md_util
-import re
 from . import util
 
 # We need to ignore these as they are used in Markdown processing
@@ -35,7 +33,6 @@
 ESCAPE_RE = r'\\(.)'
 ESCAPE_NO_NL_RE = r'\\([^\n])'
 HARDBREAK_RE = r'\\\n'
-UNESCAPE_PATTERN = re.compile(r'%s(\d+)%s' % (md_util.STX, md_util.ETX))
 
 
 class EscapeAllPattern(InlineProcessor):
@@ -68,20 +65,6 @@ def handleMatch(self, m, data):
         return escape, m.start(0), m.end(0)
 
 
-class EscapeAllPostprocessor(Postprocessor):
-    """Post processor to strip out unwanted content."""
-
-    def unescape(self, m):
-        """Unescape the escaped chars."""
-
-        return util.get_char(int(m.group(1)))
-
-    def run(self, text):
-        """Search document for escaped chars."""
-
-        return UNESCAPE_PATTERN.sub(self.unescape, text)
-
-
 class EscapeAllExtension(Extension):
     """Extension that allows you to escape everything."""
 
@@ -111,7 +94,6 @@ def extendMarkdown(self, md):
             180
         )
 
-        md.postprocessors.register(EscapeAllPostprocessor(md), "unescape", 10)
         if config['hardbreak']:
             md.inlinePatterns.register(SubstituteTagInlineProcessor(HARDBREAK_RE, 'br'), "hardbreak", 5.1)
 

pyproject.toml

@@ -23,7 +23,7 @@ dynamic = [
 ]
 
 dependencies = [
-    "Markdown>=3.2",
+    "Markdown>=3.5",
     "pyyaml"
 ]
 

tests/test_extensions/test_blocks/test_html.py

@@ -309,7 +309,7 @@ def test_html_and_html(self):
         )
 
     def test_html_and_script(self):
-        """Test inline format that script."""
+        """Test inline format with script."""
 
         self.check_markdown(
             R'''

tests/test_extensions/test_escapeall.py

@@ -33,3 +33,11 @@ def test_html_special_char_amp(self):
             r'This \& that',
             '<p>This &amp; that</p>'
         )
+
+    def test_normal_escape(self):
+        """Test normal escapes."""
+
+        self.check_markdown(
+            r'This & \that',
+            '<p>This &amp; that</p>'
+        )