From 87e40a21731bf0df112f29afc9add7719d24c886 Mon Sep 17 00:00:00 2001
From: "Martin K. Scherer" <marscher@users.noreply.github.com>
Date: Tue, 15 Oct 2024 12:14:37 +0000
Subject: [PATCH] dash to underscore

---
 pydeps2env/environment.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pydeps2env/environment.py b/pydeps2env/environment.py
index c95d381..0be4f3d 100644
--- a/pydeps2env/environment.py
+++ b/pydeps2env/environment.py
@@ -41,6 +41,11 @@ def add_requirement(
     if not isinstance(req, Requirement):
         req = Requirement(req)
 
+    # A pip requirement can contain dashes in their name, we need to replace them to underscores.
+    # https://docs.conda.io/projects/conda-build/en/latest/concepts/package-naming-conv.html#term-Package-name
+    if "-" in req.name:
+        req.name = req.replace("-", "_")
+
     if req.name not in requirements:
         requirements[req.name] = req
     elif mode == "combine":