Fix bug with paths with spaces

news/6381.bugfix.rst

@@ -0,0 +1 @@
+Fixed an issue with installing local packages that have spaces in their path names.

pipenv/utils/dependencies.py

@@ -999,6 +999,11 @@ def expansive_install_req_from_line(
     """
     name = None
     pip_line = pip_line.strip("'").lstrip(" ")
+
+    # Handle paths with escaped spaces
+    if os.path.exists(os.path.expanduser(pip_line.replace("\\ ", " "))):
+        pip_line = pip_line.replace("\\ ", " ")
+
     for new_req_symbol in ("@ ", " @ "):  # Check for new style pip lines
         if new_req_symbol in pip_line:
             pip_line_parts = pip_line.split(new_req_symbol, 1)

tests/integration/test_install_paths.py

@@ -0,0 +1,60 @@
+import os
+from pathlib import Path
+
+import pytest
+
+
+@pytest.mark.install
+@pytest.mark.needs_internet
+@pytest.mark.skipif(
+    os.name == "nt",
+    reason="This test is not for Windows",
+)
+def test_install_path_with_spaces(pipenv_instance_pypi):
+    with pipenv_instance_pypi() as p:
+        # Create a test directory with spaces in the name
+        test_dir = Path(p.path) / "test dir with spaces"
+        test_dir.mkdir()
+
+        # Create a simple package in the directory with spaces
+        package_dir = test_dir / "simple_package"
+        package_dir.mkdir()
+
+        # Create a simple setup.py file
+        with open(package_dir / "setup.py", "w") as f:
+            f.write("""
+from setuptools import setup
+
+setup(
+    name="simple-package",
+    version="0.1.0",
+)
+""")
+
+        # Create the package module
+        with open(package_dir / "simple_package.py", "w") as f:
+            f.write("""
+def hello():
+    return "Hello from simple package!"
+""")
+
+        # Install the package using a path with spaces
+        # Use both escaped spaces and quoted path to test both scenarios
+        c = p.pipenv(f'install "{package_dir}"')
+        assert c.returncode == 0
+
+        # Verify the package was installed correctly
+        c = p.pipenv('run python -c "import simple_package; print(simple_package.hello())"')
+        assert c.returncode == 0
+        assert "Hello from simple package!" in c.stdout
+
+        # Test with escaped spaces
+        p.pipenv("uninstall simple-package")
+        escaped_path = package_dir.as_posix().replace(" ", "\\ ")
+        c = p.pipenv(f'install {escaped_path}')
+        assert c.returncode == 0
+
+        # Verify the package was installed correctly
+        c = p.pipenv('run python -c "import simple_package; print(simple_package.hello())"')
+        assert c.returncode == 0
+        assert "Hello from simple package!" in c.stdout