Fix an issue for projects with an at sign (@) in the path

news/309.bugfix.rst

@@ -0,0 +1 @@
+Fix an issue for projects with an at sign (``@``) in the path

src/requirementslib/models/utils.py

@@ -567,7 +567,7 @@ def split_ref_from_uri(uri):
     path = parsed.path if parsed.path else ""
     scheme = parsed.scheme if parsed.scheme else ""
     ref = None
-    if scheme != "file" and "@" in path:
+    if scheme != "file" and (re.match("^.*@[^/@]*$", path) or path.count("@") >= 2):
         path, _, ref = path.rpartition("@")
     parsed = parsed._replace(path=path)
     return (parsed.url, ref)

tests/unit/test_utils.py

@@ -100,6 +100,35 @@ def test_split_vcs_method_from_uri():
     )
 
 
+def test_split_ref_from_uri():
+    assert utils.split_ref_from_uri("https://github.com/sarugaku/plette.git") == (
+        "https://github.com/sarugaku/plette.git",
+        None,
+    )
+    assert utils.split_ref_from_uri("/Users/some.user@acme.com/dev/myproject") == (
+        "/Users/some.user@acme.com/dev/myproject",
+        None,
+    )
+    assert utils.split_ref_from_uri(
+        "https://user:password@github.com/sarugaku/plette.git"
+    ) == (
+        "https://user:password@github.com/sarugaku/plette.git",
+        None,
+    )
+    assert utils.split_ref_from_uri(
+        "git+https://github.com/pypa/pipenv.git@master#egg=pipenv"
+    ) == (
+        "git+https://github.com/pypa/pipenv.git#egg=pipenv",
+        "master",
+    )
+    assert utils.split_ref_from_uri(
+        "/Users/some.user@acme.com/dev/myproject@bugfix/309"
+    ) == (
+        "/Users/some.user@acme.com/dev/myproject",
+        "bugfix/309",
+    )
+
+
 # tests from pip-tools