Воркед

venv/Lib/site-packages/pip/_internal/commands/show.py

@@ -2,6 +2,7 @@ import logging
 from optparse import Values
 from typing import Generator, Iterable, Iterator, List, NamedTuple, Optional
 
+from pip._vendor.packaging.requirements import InvalidRequirement
 from pip._vendor.packaging.utils import canonicalize_name
 
 from pip._internal.cli.base_command import Command
@@ -53,6 +54,7 @@ class _PackageInfo(NamedTuple):
     name: str
     version: str
     location: str
+    editable_project_location: Optional[str]
     requires: List[str]
     required_by: List[str]
     installer: str
@@ -64,6 +66,7 @@ class _PackageInfo(NamedTuple):
     author: str
     author_email: str
     license: str
+    license_expression: str
     entry_points: List[str]
     files: Optional[List[str]]
 
@@ -99,8 +102,19 @@ def search_packages_info(query: List[str]) -> Generator[_PackageInfo, None, None
         except KeyError:
             continue
 
-        requires = sorted((req.name for req in dist.iter_dependencies()), key=str.lower)
-        required_by = sorted(_get_requiring_packages(dist), key=str.lower)
+        try:
+            requires = sorted(
+                # Avoid duplicates in requirements (e.g. due to environment markers).
+                {req.name for req in dist.iter_dependencies()},
+                key=str.lower,
+            )
+        except InvalidRequirement:
+            requires = sorted(dist.iter_raw_dependencies(), key=str.lower)
+
+        try:
+            required_by = sorted(_get_requiring_packages(dist), key=str.lower)
+        except InvalidRequirement:
+            required_by = ["#N/A"]
 
         try:
             entry_points_text = dist.read_text("entry_points.txt")
@@ -116,21 +130,39 @@ def search_packages_info(query: List[str]) -> Generator[_PackageInfo, None, None
 
         metadata = dist.metadata
 
+        project_urls = metadata.get_all("Project-URL", [])
+        homepage = metadata.get("Home-page", "")
+        if not homepage:
+            # It's common that there is a "homepage" Project-URL, but Home-page
+            # remains unset (especially as PEP 621 doesn't surface the field).
+            #
+            # This logic was taken from PyPI's codebase.
+            for url in project_urls:
+                url_label, url = url.split(",", maxsplit=1)
+                normalized_label = (
+                    url_label.casefold().replace("-", "").replace("_", "").strip()
+                )
+                if normalized_label == "homepage":
+                    homepage = url.strip()
+                    break
+
         yield _PackageInfo(
             name=dist.raw_name,
-            version=str(dist.version),
+            version=dist.raw_version,
             location=dist.location or "",
+            editable_project_location=dist.editable_project_location,
             requires=requires,
             required_by=required_by,
             installer=dist.installer,
             metadata_version=dist.metadata_version or "",
             classifiers=metadata.get_all("Classifier", []),
             summary=metadata.get("Summary", ""),
-            homepage=metadata.get("Home-page", ""),
-            project_urls=metadata.get_all("Project-URL", []),
+            homepage=homepage,
+            project_urls=project_urls,
             author=metadata.get("Author", ""),
             author_email=metadata.get("Author-email", ""),
             license=metadata.get("License", ""),
+            license_expression=metadata.get("License-Expression", ""),
             entry_points=entry_points,
             files=files,
         )
@@ -150,14 +182,23 @@ def print_results(
         if i > 0:
             write_output("---")
 
+        metadata_version_tuple = tuple(map(int, dist.metadata_version.split(".")))
+
         write_output("Name: %s", dist.name)
         write_output("Version: %s", dist.version)
         write_output("Summary: %s", dist.summary)
         write_output("Home-page: %s", dist.homepage)
         write_output("Author: %s", dist.author)
         write_output("Author-email: %s", dist.author_email)
-        write_output("License: %s", dist.license)
+        if metadata_version_tuple >= (2, 4) and dist.license_expression:
+            write_output("License-Expression: %s", dist.license_expression)
+        else:
+            write_output("License: %s", dist.license)
         write_output("Location: %s", dist.location)
+        if dist.editable_project_location is not None:
+            write_output(
+                "Editable project location: %s", dist.editable_project_location
+            )
         write_output("Requires: %s", ", ".join(dist.requires))
         write_output("Required-by: %s", ", ".join(dist.required_by))