From c6f9c5df8c05e211c35e43c14f19cf27dfd9f447 Mon Sep 17 00:00:00 2001
From: Stephen Altamirano <stephen@evilrobotstuff.com>
Date: Thu, 4 Mar 2021 17:39:03 -0800
Subject: [PATCH 1/2] Support non-http schemas in url refs

These url schemes were already valid for inline linking. This adds
the ability to use them as url references as well.
---
 tests/test_getRefs.py | 10 ++++++++++
 textile/core.py       | 10 ++++++++--
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/tests/test_getRefs.py b/tests/test_getRefs.py
index f6e0ae4f..d3cfcd72 100644
--- a/tests/test_getRefs.py
+++ b/tests/test_getRefs.py
@@ -9,3 +9,13 @@ def test_getRefs():
     result = t.urlrefs
     expect = {'Google': 'http://www.google.com'}
     assert result == expect
+
+    t2 = Textile()
+
+    result = t2.getRefs("my ftp [ftp]ftp://example.com")
+    expect = 'my ftp '
+    assert result == expect
+
+    result = t2.urlrefs
+    expect = {'ftp': 'ftp://example.com'}
+    assert result == expect
diff --git a/textile/core.py b/textile/core.py
index 3053969d..4ccb83f9 100644
--- a/textile/core.py
+++ b/textile/core.py
@@ -612,8 +612,14 @@ def glyphs(self, text):
 
     def getRefs(self, text):
         """Capture and store URL references in self.urlrefs."""
-        pattern = re.compile(r'(?:(?<=^)|(?<=\s))\[(.+)\]((?:http(?:s?):\/\/|\/)\S+)(?=\s|$)',
-                             re.U)
+        all_schemes = '|'.join([
+            '(?:{0})'.format(scheme)
+            for scheme in self.url_schemes
+        ])
+        pattern = re.compile(
+            r'(?:(?<=^)|(?<=\s))\[(.+)\]((?:{0}:\/\/|\/)\S+)(?=\s|$)'.format(all_schemes),
+            re.U
+        )
         text = pattern.sub(self.refs, text)
         return text
 

From 6b787c951b65b5850f598ff348ef3b5402048177 Mon Sep 17 00:00:00 2001
From: Stephen Altamirano <stephen@evilrobotstuff.com>
Date: Sun, 7 Mar 2021 14:33:32 -0800
Subject: [PATCH 2/2] Lift urlref regex creation to Textile constructor

---
 textile/core.py | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/textile/core.py b/textile/core.py
index 4ccb83f9..7b66af02 100644
--- a/textile/core.py
+++ b/textile/core.py
@@ -212,6 +212,15 @@ def __init__(self, restricted=False, lite=False, noimage=False,
         else:
             self.url_schemes = self.unrestricted_url_schemes
 
+        all_schemes_re_s = '|'.join([
+            '(?:{0})'.format(scheme)
+            for scheme in self.url_schemes
+        ])
+        self.url_ref_regex = re.compile(
+            r'(?:(?<=^)|(?<=\s))\[(.+)\]\s?((?:{0}:\/\/|\/)\S+)(?=\s|$)'.format(all_schemes_re_s),
+            re.U
+        )
+
     def parse(self, text, rel=None, sanitize=False):
         """Parse the input text as textile and return html output."""
         self.notes = OrderedDict()
@@ -612,16 +621,7 @@ def glyphs(self, text):
 
     def getRefs(self, text):
         """Capture and store URL references in self.urlrefs."""
-        all_schemes = '|'.join([
-            '(?:{0})'.format(scheme)
-            for scheme in self.url_schemes
-        ])
-        pattern = re.compile(
-            r'(?:(?<=^)|(?<=\s))\[(.+)\]((?:{0}:\/\/|\/)\S+)(?=\s|$)'.format(all_schemes),
-            re.U
-        )
-        text = pattern.sub(self.refs, text)
-        return text
+        return self.url_ref_regex.sub(self.refs, text)
 
     def refs(self, match):
         flag, url = match.groups()