Stop using pkg_resources

Signed-off-by: Juan Luis Cano Rodríguez <juan_luis_cano@mckinsey.com>

kedro/framework/cli/micropkg.py

@@ -11,7 +11,7 @@
 from typing import Iterable, List, Tuple, Union
 
 import click
-import pkg_resources
+from packaging.requirements import InvalidRequirement, Requirement
 from rope.base.project import Project
 from rope.contrib import generate
 from rope.refactor.move import MoveModule
@@ -583,8 +583,10 @@ def _make_install_requires(requirements_txt: Path) -> list[str]:
     install_requires."""
     if not requirements_txt.exists():
         return []
-    requirements = pkg_resources.parse_requirements(requirements_txt.read_text())
-    return [str(requirement) for requirement in requirements]
+    return [
+        str(Requirement(requirement_line))
+        for requirement_line in requirements_txt.read_text().splitlines()
+    ]
 
 
 def _create_nested_package(project: Project, package_path: Path) -> Path:
@@ -866,17 +868,23 @@ def _append_package_reqs(
 
 def _safe_parse_requirements(
     requirements: str | Iterable[str],
-) -> set[pkg_resources.Requirement]:
-    """Safely parse a requirement or set of requirements. This effectively replaces
-    pkg_resources.parse_requirements, which blows up with a ValueError as soon as it
+) -> set[Requirement]:
+    """Safely parse a requirement or set of requirements. This avoids blowing up when it
     encounters a requirement it cannot parse (e.g. `-r requirements.txt`). This way
     we can still extract all the parseable requirements out of a set containing some
     unparseable requirements.
     """
     parseable_requirements = set()
-    for requirement in pkg_resources.yield_lines(requirements):
-        try:
-            parseable_requirements.add(pkg_resources.Requirement.parse(requirement))
-        except ValueError:
-            continue
+    # TODO: Properly handle continuation lines,
+    # see https://github.com/pypa/setuptools/blob/v67.8.0/setuptools/_reqs.py
+    for requirement_line in requirements:
+        if (
+            requirement_line
+            and not requirement_line.startswith("#")
+            and not requirement_line.startswith("-e")
+        ):
+            try:
+                parseable_requirements.add(Requirement(requirement_line))
+            except InvalidRequirement:
+                continue
     return parseable_requirements

tests/framework/cli/micropkg/test_micropkg_requirements.py

@@ -27,7 +27,7 @@
 """
 
 # These requirements can be used in requirements.txt but not in METADATA Requires-Dist.
-# They cannot be parsed by pkg_resources.
+# They cannot be parsed by packaging.
 COMPLEX_REQUIREMENTS = """--extra-index-url https://this.wont.work
 -r other_requirements.txt
 ./path/to/package.whl