Fix multi-line links and incorrect dunder escapes in code

Author: krassowski

docstring_to_markdown/__init__.py

@@ -3,7 +3,7 @@
 from .plain import looks_like_plain_text, plain_text_to_markdown
 from .rst import looks_like_rst, rst_to_markdown
 
-__version__ = "0.14"
+__version__ = "0.15"
 
 
 class UnknownFormatError(Exception):

docstring_to_markdown/rst.py

@@ -1,13 +1,13 @@
 from abc import ABC, abstractmethod
 from enum import IntEnum, auto
 from types import SimpleNamespace
-from typing import Union, List, Dict
+from typing import Callable, Match, Union, List, Dict
 import re
 
 
 class Directive:
     def __init__(
-        self, pattern: str, replacement: str,
+        self, pattern: str, replacement: Union[str, Callable[[Match], str]],
         name: Union[str, None] = None,
         flags: int = 0
     ):
@@ -249,7 +249,7 @@ def inline_markdown(self):
     ),
     Directive(
         pattern=r'`(?P<label>[^<`]+?)(\n?)<(?P<url>[^>`]+)>`_+',
-        replacement=r'[\g<label>](\g<url>)'
+        replacement=lambda m: '[' + m.group('label') + '](' + re.sub(r"\s+", "", m.group('url')) + ')'
     ),
     Directive(
         pattern=r':mod:`(?P<label>[^`]+)`',
@@ -316,7 +316,7 @@ def inline_markdown(self):
 
 ESCAPING_RULES: List[Directive] = [
     Directive(
-        pattern=r'__(?P<text>\S+)__',
+        pattern=r'(?<!`)__(?P<text>\S+)__(?!`)',
         replacement=r'\_\_\g<text>\_\_'
     )
 ]

tests/test_rst.py

@@ -78,6 +78,17 @@
     "[this link](https://pandas.pydata.org/pandas-docs/stable/user_guide/timeseries.html#offset-aliases)."
 )
 
+RST_LINK_MULTILINE_EXAMPLE = """
+See
+`strftime documentation
+<https://docs.python.org/3/library/datetime.html
+#strftime-and-strptime-behavior>`_ for more.
+"""
+RST_LINK_MULTILINE_MARKDOWN = """
+See
+[strftime documentation](https://docs.python.org/3/library/datetime.html#strftime-and-strptime-behavior) for more.
+"""
+
 RST_REF_EXAMPLE = """See :ref:`here <timeseries.offset_aliases>` for a list of frequency aliases."""
 RST_REF_MARKDOWN = """See here: `timeseries.offset_aliases` for a list of frequency aliases."""
 
@@ -686,6 +697,10 @@ def foo():
         'rst': RST_LINK_EXAMPLE,
         'md': RST_LINK_EXAMPLE_MARKDOWN
     },
+    'converts multi-line links': {
+        'rst': RST_LINK_MULTILINE_EXAMPLE,
+        'md': RST_LINK_MULTILINE_MARKDOWN
+    },
     'changes highlight': {
         'rst': RST_HIGHLIGHTED_BLOCK,
         'md': RST_HIGHLIGHTED_BLOCK_MARKDOWN
@@ -764,6 +779,10 @@ def foo():
         'rst': '__init__',
         'md': r'\_\_init\_\_'
     },
+    'does not escape dunders in code': {
+        'rst': '`__init__`',
+        'md': '`__init__`'
+    },
     'converts bibliographic references': {
         'rst': REFERENCES,
         'md': REFERENCES_MARKDOWN