From fd40f796094d23bdf3f364cd990ba1423b9ae220 Mon Sep 17 00:00:00 2001
From: Joren Retel <joren.retel@bayer.com>
Date: Thu, 4 Aug 2022 18:50:12 +0200
Subject: [PATCH 1/2] Changed regex that detects cating combination token

---
 dynaconf/utils/parse_conf.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dynaconf/utils/parse_conf.py b/dynaconf/utils/parse_conf.py
index 902ba2725..7085a9231 100644
--- a/dynaconf/utils/parse_conf.py
+++ b/dynaconf/utils/parse_conf.py
@@ -309,7 +309,7 @@ def _parse_conf_data(data, tomlfy=False, box_settings=None):
     ):
         # Check combination token is used
         comb_token = re.match(
-            r"^@(str|int|float|bool|json) @(jinja|format)", data
+            f"^({'|'.join(converters.keys())}) @(jinja|format)", data,
         )
         if comb_token:
             tokens = comb_token.group(0)

From 503ddc071575507547e12cad17cd3b0eb0ea385e Mon Sep 17 00:00:00 2001
From: Joren Retel <joren.retel@bayer.com>
Date: Thu, 4 Aug 2022 19:35:05 +0200
Subject: [PATCH 2/2] Added example of adding custom casting token

---
 dynaconf/utils/parse_conf.py            |  3 ++-
 example/custom_cast_token/app.py        | 23 +++++++++++++++++++++++
 example/custom_cast_token/settings.toml |  3 +++
 3 files changed, 28 insertions(+), 1 deletion(-)
 create mode 100644 example/custom_cast_token/app.py
 create mode 100644 example/custom_cast_token/settings.toml

diff --git a/dynaconf/utils/parse_conf.py b/dynaconf/utils/parse_conf.py
index 7085a9231..5605393b5 100644
--- a/dynaconf/utils/parse_conf.py
+++ b/dynaconf/utils/parse_conf.py
@@ -309,7 +309,8 @@ def _parse_conf_data(data, tomlfy=False, box_settings=None):
     ):
         # Check combination token is used
         comb_token = re.match(
-            f"^({'|'.join(converters.keys())}) @(jinja|format)", data,
+            f"^({'|'.join(converters.keys())}) @(jinja|format)",
+            data,
         )
         if comb_token:
             tokens = comb_token.group(0)
diff --git a/example/custom_cast_token/app.py b/example/custom_cast_token/app.py
new file mode 100644
index 000000000..403e548d3
--- /dev/null
+++ b/example/custom_cast_token/app.py
@@ -0,0 +1,23 @@
+from __future__ import annotations
+
+from pathlib import Path
+
+from dynaconf import Dynaconf
+from dynaconf.utils import parse_conf
+
+settings = Dynaconf(
+    envvar_prefix="DYNACONF",
+    settings_files=["settings.toml"],
+    environments=True,
+)
+
+# Add a custom casting token casting string to pathlib.Path object
+parse_conf.converters["@path"] = (
+    lambda value: value.set_casting(Path)
+    if isinstance(value, parse_conf.Lazy)
+    else Path(value)
+)
+
+assert isinstance(settings.parent, Path)
+assert isinstance(settings.child, Path)
+assert str(settings.child).find("@format") == -1
diff --git a/example/custom_cast_token/settings.toml b/example/custom_cast_token/settings.toml
new file mode 100644
index 000000000..bdda15da3
--- /dev/null
+++ b/example/custom_cast_token/settings.toml
@@ -0,0 +1,3 @@
+[default]
+parent = "@path @format {env[HOME]}/parent"
+child = "@path @format {this.parent}/child"