fix: PURL for PyPI packages from 'conda list' have the correct format now

cyclonedx_py/utils/conda.py

@@ -53,6 +53,9 @@ def conda_package_to_purl(pkg: CondaPackage) -> PackageURL:
     Return the purl for the specified package.
     See https://github.com/package-url/purl-spec/blob/master/PURL-TYPES.rst#conda
     """
+    if pkg['channel'] == 'pypi' and pkg['platform'] == 'pypi':
+        return _conda_package_to_pypi_purl(pkg)
+
     qualifiers = {
         'build': pkg['build_string'],
         'channel': pkg['channel'],
@@ -67,6 +70,19 @@ def conda_package_to_purl(pkg: CondaPackage) -> PackageURL:
     return purl
 
 
+def _conda_package_to_pypi_purl(pkg: CondaPackage) -> PackageURL:
+    """
+    Return the purl for a pip-installed package in a conda environment.
+    These packages are listed as if from the pseudo-channel "pypi".
+    See https://github.com/package-url/purl-spec/blob/master/PURL-TYPES.rst#pypi
+    """
+    name = pkg['name'].lower().replace('_', '-')
+    purl = PackageURL(
+        type='pypi', name=name, version=pkg['version']
+    )
+    return purl
+
+
 def parse_conda_json_to_conda_package(conda_json_str: str) -> Optional[CondaPackage]:
     try:
         package_data = json.loads(conda_json_str)

tests/fixtures/conda-list-issue462.json

@@ -0,0 +1,252 @@
+[
+  {
+    "base_url": "https://repo.anaconda.com/pkgs/main",
+    "build_number": 0,
+    "build_string": "main",
+    "channel": "pkgs/main",
+    "dist_name": "_libgcc_mutex-0.1-main",
+    "name": "_libgcc_mutex",
+    "platform": "linux-64",
+    "version": "0.1"
+  },
+  {
+    "base_url": "https://repo.anaconda.com/pkgs/main",
+    "build_number": 0,
+    "build_string": "1_gnu",
+    "channel": "pkgs/main",
+    "dist_name": "_openmp_mutex-5.1-1_gnu",
+    "name": "_openmp_mutex",
+    "platform": "linux-64",
+    "version": "5.1"
+  },
+  {
+    "base_url": "https://repo.anaconda.com/pkgs/main",
+    "build_number": 0,
+    "build_string": "h7b6447c_0",
+    "channel": "pkgs/main",
+    "dist_name": "bzip2-1.0.8-h7b6447c_0",
+    "name": "bzip2",
+    "platform": "linux-64",
+    "version": "1.0.8"
+  },
+  {
+    "base_url": "https://repo.anaconda.com/pkgs/main",
+    "build_number": 0,
+    "build_string": "h06a4308_0",
+    "channel": "pkgs/main",
+    "dist_name": "ca-certificates-2022.10.11-h06a4308_0",
+    "name": "ca-certificates",
+    "platform": "linux-64",
+    "version": "2022.10.11"
+  },
+  {
+    "base_url": "https://repo.anaconda.com/pkgs/main",
+    "build_number": 0,
+    "build_string": "py310h06a4308_0",
+    "channel": "pkgs/main",
+    "dist_name": "certifi-2022.9.24-py310h06a4308_0",
+    "name": "certifi",
+    "platform": "linux-64",
+    "version": "2022.9.24"
+  },
+  {
+    "base_url": "https://repo.anaconda.com/pkgs/main",
+    "build_number": 1,
+    "build_string": "h1181459_1",
+    "channel": "pkgs/main",
+    "dist_name": "ld_impl_linux-64-2.38-h1181459_1",
+    "name": "ld_impl_linux-64",
+    "platform": "linux-64",
+    "version": "2.38"
+  },
+  {
+    "base_url": "https://repo.anaconda.com/pkgs/main",
+    "build_number": 6,
+    "build_string": "h6a678d5_6",
+    "channel": "pkgs/main",
+    "dist_name": "libffi-3.4.2-h6a678d5_6",
+    "name": "libffi",
+    "platform": "linux-64",
+    "version": "3.4.2"
+  },
+  {
+    "base_url": "https://repo.anaconda.com/pkgs/main",
+    "build_number": 1,
+    "build_string": "h1234567_1",
+    "channel": "pkgs/main",
+    "dist_name": "libgcc-ng-11.2.0-h1234567_1",
+    "name": "libgcc-ng",
+    "platform": "linux-64",
+    "version": "11.2.0"
+  },
+  {
+    "base_url": "https://repo.anaconda.com/pkgs/main",
+    "build_number": 1,
+    "build_string": "h1234567_1",
+    "channel": "pkgs/main",
+    "dist_name": "libgomp-11.2.0-h1234567_1",
+    "name": "libgomp",
+    "platform": "linux-64",
+    "version": "11.2.0"
+  },
+  {
+    "base_url": "https://repo.anaconda.com/pkgs/main",
+    "build_number": 1,
+    "build_string": "h1234567_1",
+    "channel": "pkgs/main",
+    "dist_name": "libstdcxx-ng-11.2.0-h1234567_1",
+    "name": "libstdcxx-ng",
+    "platform": "linux-64",
+    "version": "11.2.0"
+  },
+  {
+    "base_url": "https://repo.anaconda.com/pkgs/main",
+    "build_number": 0,
+    "build_string": "h5eee18b_0",
+    "channel": "pkgs/main",
+    "dist_name": "libuuid-1.41.5-h5eee18b_0",
+    "name": "libuuid",
+    "platform": "linux-64",
+    "version": "1.41.5"
+  },
+  {
+    "base_url": "https://repo.anaconda.com/pkgs/main",
+    "build_number": 3,
+    "build_string": "h5eee18b_3",
+    "channel": "pkgs/main",
+    "dist_name": "ncurses-6.3-h5eee18b_3",
+    "name": "ncurses",
+    "platform": "linux-64",
+    "version": "6.3"
+  },
+  {
+    "base_url": "https://conda.anaconda.org/pypi",
+    "build_number": 0,
+    "build_string": "pypi_0",
+    "channel": "pypi",
+    "dist_name": "numpy-1.23.5-pypi_0",
+    "name": "numpy",
+    "platform": "pypi",
+    "version": "1.23.5"
+  },
+  {
+    "base_url": "https://repo.anaconda.com/pkgs/main",
+    "build_number": 0,
+    "build_string": "h7f8727e_0",
+    "channel": "pkgs/main",
+    "dist_name": "openssl-1.1.1s-h7f8727e_0",
+    "name": "openssl",
+    "platform": "linux-64",
+    "version": "1.1.1s"
+  },
+  {
+    "base_url": "https://repo.anaconda.com/pkgs/main",
+    "build_number": 0,
+    "build_string": "py310h06a4308_0",
+    "channel": "pkgs/main",
+    "dist_name": "pip-22.3.1-py310h06a4308_0",
+    "name": "pip",
+    "platform": "linux-64",
+    "version": "22.3.1"
+  },
+  {
+    "base_url": "https://repo.anaconda.com/pkgs/main",
+    "build_number": 1,
+    "build_string": "h7a1cb2a_1",
+    "channel": "pkgs/main",
+    "dist_name": "python-3.10.8-h7a1cb2a_1",
+    "name": "python",
+    "platform": "linux-64",
+    "version": "3.10.8"
+  },
+  {
+    "base_url": "https://repo.anaconda.com/pkgs/main",
+    "build_number": 0,
+    "build_string": "h5eee18b_0",
+    "channel": "pkgs/main",
+    "dist_name": "readline-8.2-h5eee18b_0",
+    "name": "readline",
+    "platform": "linux-64",
+    "version": "8.2"
+  },
+  {
+    "base_url": "https://conda.anaconda.org/pypi",
+    "build_number": 0,
+    "build_string": "pypi_0",
+    "channel": "pypi",
+    "dist_name": "seawater-3.3.4-pypi_0",
+    "name": "seawater",
+    "platform": "pypi",
+    "version": "3.3.4"
+  },
+  {
+    "base_url": "https://repo.anaconda.com/pkgs/main",
+    "build_number": 0,
+    "build_string": "py310h06a4308_0",
+    "channel": "pkgs/main",
+    "dist_name": "setuptools-65.5.0-py310h06a4308_0",
+    "name": "setuptools",
+    "platform": "linux-64",
+    "version": "65.5.0"
+  },
+  {
+    "base_url": "https://repo.anaconda.com/pkgs/main",
+    "build_number": 0,
+    "build_string": "h5082296_0",
+    "channel": "pkgs/main",
+    "dist_name": "sqlite-3.40.0-h5082296_0",
+    "name": "sqlite",
+    "platform": "linux-64",
+    "version": "3.40.0"
+  },
+  {
+    "base_url": "https://repo.anaconda.com/pkgs/main",
+    "build_number": 0,
+    "build_string": "h1ccaba5_0",
+    "channel": "pkgs/main",
+    "dist_name": "tk-8.6.12-h1ccaba5_0",
+    "name": "tk",
+    "platform": "linux-64",
+    "version": "8.6.12"
+  },
+  {
+    "base_url": "https://repo.anaconda.com/pkgs/main",
+    "build_number": 0,
+    "build_string": "h04d1e81_0",
+    "channel": "pkgs/main",
+    "dist_name": "tzdata-2022g-h04d1e81_0",
+    "name": "tzdata",
+    "platform": "noarch",
+    "version": "2022g"
+  },
+  {
+    "base_url": "https://repo.anaconda.com/pkgs/main",
+    "build_number": 0,
+    "build_string": "pyhd3eb1b0_0",
+    "channel": "pkgs/main",
+    "dist_name": "wheel-0.37.1-pyhd3eb1b0_0",
+    "name": "wheel",
+    "platform": "noarch",
+    "version": "0.37.1"
+  },
+  {
+    "base_url": "https://repo.anaconda.com/pkgs/main",
+    "build_number": 0,
+    "build_string": "h5eee18b_0",
+    "channel": "pkgs/main",
+    "dist_name": "xz-5.2.8-h5eee18b_0",
+    "name": "xz",
+    "platform": "linux-64",
+    "version": "5.2.8"
+  },
+  {
+    "base_url": "https://repo.anaconda.com/pkgs/main",
+    "build_number": 0,
+    "build_string": "h5eee18b_0",
+    "channel": "pkgs/main",
+    "dist_name": "zlib-1.2.13-h5eee18b_0",
+    "name": "zlib",
+    "platform": "linux-64",
+    "version": "1.2.13"
+  }
+]

tests/test_parser_conda.py

@@ -49,6 +49,32 @@ def test_conda_list_json(self) -> None:
         self.assertEqual(0, len(c_idna.external_references.pop().hashes))
         self.assertEqual(0, len(c_idna.hashes), f'{c_idna.hashes}')
 
+    def test_conda_list_json_mixed(self) -> None:
+        # conda environment which has both conda and pypi packages
+        # see https://github.com/CycloneDX/cyclonedx-python/issues/462
+        conda_list_output_file = os.path.join(os.path.dirname(__file__),
+                                              'fixtures/conda-list-issue462.json')
+
+        with (open(conda_list_output_file, 'r')) as conda_list_output_fh:
+            parser = CondaListJsonParser(conda_data=conda_list_output_fh.read())
+
+        self.assertEqual(25, parser.component_count())
+        components = parser.get_components()
+
+        c_libffi = next(filter(lambda c: c.name == 'libffi', components), None)
+        self.assertIsNotNone(c_libffi)
+        self.assertEqual('libffi', c_libffi.name)
+        self.assertEqual('3.4.2', c_libffi.version)
+        self.assertEqual('pkg:conda/libffi@3.4.2?build=h6a678d5_6&channel=pkgs/main&subdir=linux-64',
+                         c_libffi.purl.to_string())
+
+        c_seawater = next(filter(lambda c: c.name == 'seawater', components), None)
+        self.assertIsNotNone(c_seawater)
+        self.assertEqual('seawater', c_seawater.name)
+        self.assertEqual('3.3.4', c_seawater.version)
+        self.assertEqual('pkg:pypi/seawater@3.3.4',
+                         c_seawater.purl.to_string())
+
     def test_conda_list_json_use_purl_bom_ref(self) -> None:
         conda_list_output_file = os.path.join(os.path.dirname(__file__),
                                               'fixtures/conda-list-output.json')