Added documentation_url field to Package model

Signed-off-by: Yashvijain1234 <yashvijain1234@example.com>

Author: Yashvijain1234

result.json

@@ -0,0 +1 @@
+{"headers": [{"tool_name": "scancode-toolkit", "tool_version": "v32.4.1-34-gedac742eaa", "options": {"input": [".\\samples"], "--json": ".\\result.json"}, "notice": "Generated with ScanCode and provided on an \"AS IS\" BASIS, WITHOUT WARRANTIES\nOR CONDITIONS OF ANY KIND, either express or implied. No content created from\nScanCode should be considered or used as legal advice. Consult an Attorney\nfor any legal advice.\nScanCode is a free software code scanning tool from nexB Inc. and others.\nVisit https://github.com/nexB/scancode-toolkit/ for support and download.", "start_timestamp": "2025-12-10T185140.377956", "end_timestamp": "2025-12-10T185140.642211", "output_format_version": "4.1.0", "duration": 0.2642548084259033, "message": null, "errors": [], "warnings": [], "extra_data": {"system_environment": {"operating_system": "win", "cpu_architecture": "64", "platform": "Windows-11-10.0.22631-SP0", "platform_version": "10.0.22631", "python_version": "3.12.5 (tags/v3.12.5:ff3bc82, Aug  6 2024, 20:45:27) [MSC v.1940 64 bit (AMD64)]"}, "spdx_license_list_version": "3.27", "files_count": 33}}], "files": [{"path": "samples", "type": "directory", "scan_errors": []}, {"path": "samples/README", "type": "file", "scan_errors": []}, {"path": "samples/screenshot.png", "type": "file", "scan_errors": []}, {"path": "samples/arch", "type": "directory", "scan_errors": []}, {"path": "samples/arch/zlib.tar.gz", "type": "file", "scan_errors": []}, {"path": "samples/JGroups", "type": "directory", "scan_errors": []}, {"path": "samples/JGroups/EULA", "type": "file", "scan_errors": []}, {"path": "samples/JGroups/LICENSE", "type": "file", "scan_errors": []}, {"path": "samples/JGroups/licenses", "type": "directory", "scan_errors": []}, {"path": "samples/JGroups/licenses/apache-1.1.txt", "type": "file", "scan_errors": []}, {"path": "samples/JGroups/licenses/apache-2.0.txt", "type": "file", "scan_errors": []}, {"path": "samples/JGroups/licenses/bouncycastle.txt", "type": "file", "scan_errors": []}, {"path": "samples/JGroups/licenses/cpl-1.0.txt", "type": "file", "scan_errors": []}, {"path": "samples/JGroups/licenses/lgpl.txt", "type": "file", "scan_errors": []}, {"path": "samples/JGroups/src", "type": "directory", "scan_errors": []}, {"path": "samples/JGroups/src/FixedMembershipToken.java", "type": "file", "scan_errors": []}, {"path": "samples/JGroups/src/GuardedBy.java", "type": "file", "scan_errors": []}, {"path": "samples/JGroups/src/ImmutableReference.java", "type": "file", "scan_errors": []}, {"path": "samples/JGroups/src/RATE_LIMITER.java", "type": "file", "scan_errors": []}, {"path": "samples/JGroups/src/RouterStub.java", "type": "file", "scan_errors": []}, {"path": "samples/JGroups/src/RouterStubManager.java", "type": "file", "scan_errors": []}, {"path": "samples/JGroups/src/S3_PING.java", "type": "file", "scan_errors": []}, {"path": "samples/zlib", "type": "directory", "scan_errors": []}, {"path": "samples/zlib/adler32.c", "type": "file", "scan_errors": []}, {"path": "samples/zlib/deflate.c", "type": "file", "scan_errors": []}, {"path": "samples/zlib/deflate.h", "type": "file", "scan_errors": []}, {"path": "samples/zlib/zlib.h", "type": "file", "scan_errors": []}, {"path": "samples/zlib/zutil.c", "type": "file", "scan_errors": []}, {"path": "samples/zlib/zutil.h", "type": "file", "scan_errors": []}, {"path": "samples/zlib/ada", "type": "directory", "scan_errors": []}, {"path": "samples/zlib/ada/zlib.ads", "type": "file", "scan_errors": []}, {"path": "samples/zlib/dotzlib", "type": "directory", "scan_errors": []}, {"path": "samples/zlib/dotzlib/AssemblyInfo.cs", "type": "file", "scan_errors": []}, {"path": "samples/zlib/dotzlib/ChecksumImpl.cs", "type": "file", "scan_errors": []}, {"path": "samples/zlib/dotzlib/LICENSE_1_0.txt", "type": "file", "scan_errors": []}, {"path": "samples/zlib/dotzlib/readme.txt", "type": "file", "scan_errors": []}, {"path": "samples/zlib/gcc_gvmat64", "type": "directory", "scan_errors": []}, {"path": "samples/zlib/gcc_gvmat64/gvmat64.S", "type": "file", "scan_errors": []}, {"path": "samples/zlib/infback9", "type": "directory", "scan_errors": []}, {"path": "samples/zlib/infback9/infback9.c", "type": "file", "scan_errors": []}, {"path": "samples/zlib/infback9/infback9.h", "type": "file", "scan_errors": []}, {"path": "samples/zlib/iostream2", "type": "directory", "scan_errors": []}, {"path": "samples/zlib/iostream2/zstream.h", "type": "file", "scan_errors": []}, {"path": "samples/zlib/iostream2/zstream_test.cpp", "type": "file", "scan_errors": []}]}

src/packagedcode/cargo.py

@@ -228,12 +228,12 @@ def parse(cls, location, package_only=False):
 
         vcs_url = core_package_data.get('repository')
         homepage_url = core_package_data.get('homepage')
+        documentation_url = core_package_data.get('documentation')
         repository_homepage_url = name and f'https://crates.io/crates/{name}'
         repository_download_url = name and version and f'https://crates.io/api/v1/crates/{name}/{version}/download'
         api_data_url = name and f'https://crates.io/api/v1/crates/{name}'
 
         extra_data_mappings = {
-            "documentation": "documentation_url",
             "rust-version": "rust_version",
             "edition": "rust_edition",
         }
@@ -254,6 +254,7 @@ def parse(cls, location, package_only=False):
             extracted_license_statement=extracted_license_statement,
             vcs_url=vcs_url,
             homepage_url=homepage_url,
+            documentation_url=documentation_url,
             repository_homepage_url=repository_homepage_url,
             repository_download_url=repository_download_url,
             api_data_url=api_data_url,

src/packagedcode/models.py

@@ -618,6 +618,10 @@ class PackageData(IdentifiablePackageData):
               'See SPDX specification "Package Download Location" '
               'at https://spdx.org/spdx-specification-21-web-version#h.49x2ik5 ')
 
+    documentation_url = String(
+        label='documentation URL',
+        help='URL to the documentation for this package.')
+
     copyright = String(
         label='Copyright',
         help='Copyright statements for this package. Typically one per line.')

tests/packagedcode/data/cargo/cargo_toml/boring-child/Cargo.toml.expected

@@ -46,6 +46,7 @@
     "bug_tracking_url": null,
     "code_view_url": null,
     "vcs_url": null,
+    "documentation_url": "https://docs.rs/boring-sys",
     "copyright": null,
     "holder": null,
     "declared_license_expression": "mit",
@@ -86,8 +87,7 @@
     "extra_data": {
       "version": "workspace",
       "repository": "workspace",
-      "edition": "workspace",
-      "documentation_url": "https://docs.rs/boring-sys"
+      "edition": "workspace"
     },
     "dependencies": [
       {

tests/packagedcode/data/cargo/cargo_toml/boring-main/Cargo.toml.expected

@@ -21,6 +21,7 @@
     "bug_tracking_url": null,
     "code_view_url": null,
     "vcs_url": null,
+    "documentation_url": null,
     "copyright": null,
     "holder": null,
     "declared_license_expression": null,

tests/packagedcode/data/cargo/cargo_toml/clap/Cargo.toml.expected

@@ -36,6 +36,7 @@
     "bug_tracking_url": null,
     "code_view_url": null,
     "vcs_url": "https://github.com/clap-rs/clap",
+    "documentation_url": "https://docs.rs/clap/",
     "copyright": null,
     "holder": null,
     "declared_license_expression": "mit",
@@ -73,9 +74,7 @@
     "file_references": [],
     "is_private": false,
     "is_virtual": false,
-    "extra_data": {
-      "documentation_url": "https://docs.rs/clap/"
-    },
+    "extra_data": {},
     "dependencies": [
       {
         "purl": "pkg:cargo/bitflags",

tests/packagedcode/data/cargo/cargo_toml/clippy/Cargo.toml.expected

@@ -63,6 +63,7 @@
     "bug_tracking_url": null,
     "code_view_url": null,
     "vcs_url": "https://github.com/rust-lang/rust-clippy",
+    "documentation_url": null,
     "copyright": null,
     "holder": null,
     "declared_license_expression": "mit OR apache-2.0",

tests/packagedcode/data/cargo/cargo_toml/mdbook/Cargo.toml.expected

@@ -48,6 +48,7 @@
     "bug_tracking_url": null,
     "code_view_url": null,
     "vcs_url": "https://github.com/rust-lang-nursery/mdBook",
+    "documentation_url": "http://rust-lang-nursery.github.io/mdBook/index.html",
     "copyright": null,
     "holder": null,
     "declared_license_expression": "mpl-2.0",
@@ -85,9 +86,7 @@
     "file_references": [],
     "is_private": false,
     "is_virtual": false,
-    "extra_data": {
-      "documentation_url": "http://rust-lang-nursery.github.io/mdBook/index.html"
-    },
+    "extra_data": {},
     "dependencies": [
       {
         "purl": "pkg:cargo/clap",

tests/packagedcode/data/cargo/cargo_toml/rustfmt/Cargo.toml.expected

@@ -38,6 +38,7 @@
     "bug_tracking_url": null,
     "code_view_url": null,
     "vcs_url": "https://github.com/rust-lang/rustfmt",
+    "documentation_url": null,
     "copyright": null,
     "holder": null,
     "declared_license_expression": "apache-2.0 OR mit",

tests/packagedcode/data/cargo/cargo_toml/rustup/Cargo.toml.expected

@@ -34,6 +34,7 @@
     "bug_tracking_url": null,
     "code_view_url": null,
     "vcs_url": "https://github.com/rust-lang/rustup.rs",
+    "documentation_url": "http://rust-lang.github.io/rustup.rs/rustup/index.html",
     "copyright": null,
     "holder": null,
     "declared_license_expression": "mit OR apache-2.0",
@@ -77,7 +78,6 @@
           "src/download"
         ]
       },
-      "documentation_url": "http://rust-lang.github.io/rustup.rs/rustup/index.html",
       "rust_edition": "2018"
     },
     "dependencies": [