show: add editable location if package is editable (pypa#11638)

news/11638.bugfix.rst

@@ -0,0 +1 @@
+Make ``pip show`` show the editable location if package is editable

src/pip/_internal/commands/show.py

@@ -2,12 +2,11 @@
 from optparse import Values
 from typing import Generator, Iterable, Iterator, List, NamedTuple, Optional
 
-from pip._vendor.packaging.utils import canonicalize_name
-
 from pip._internal.cli.base_command import Command
 from pip._internal.cli.status_codes import ERROR, SUCCESS
 from pip._internal.metadata import BaseDistribution, get_default_environment
 from pip._internal.utils.misc import write_output
+from pip._vendor.packaging.utils import canonicalize_name
 
 logger = logging.getLogger(__name__)
 
@@ -53,6 +52,7 @@ class _PackageInfo(NamedTuple):
  name: str
  version: str
  location: str
+ editable_location: Optional[str]
  requires: List[str]
  required_by: List[str]
  installer: str
@@ -120,6 +120,7 @@ def _get_requiring_packages(current_dist: BaseDistribution) -> Iterator[str]:
  name=dist.raw_name,
  version=str(dist.version),
  location=dist.location or "",
+ editable_location=dist.editable_project_location,
  requires=requires,
  required_by=required_by,
  installer=dist.installer,
@@ -158,6 +159,8 @@ def print_results(
  write_output("Author-email: %s", dist.author_email)
  write_output("License: %s", dist.license)
  write_output("Location: %s", dist.location)
+ if dist.editable_location:
+ write_output("Editable project location: %s", dist.editable_location)
  write_output("Requires: %s", ", ".join(dist.requires))
  write_output("Required-by: %s", ", ".join(dist.required_by))