You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
109 lines
3.6 KiB
109 lines
3.6 KiB
"""
|
|
Tools for converting old- to new-style metadata.
|
|
"""
|
|
from __future__ import annotations
|
|
|
|
import os.path
|
|
import textwrap
|
|
from email.message import Message
|
|
from email.parser import Parser
|
|
from typing import Iterator
|
|
|
|
from pkg_resources import Requirement, safe_extra, split_sections
|
|
|
|
|
|
def requires_to_requires_dist(requirement: Requirement) -> str:
|
|
"""Return the version specifier for a requirement in PEP 345/566 fashion."""
|
|
if getattr(requirement, "url", None):
|
|
return " @ " + requirement.url
|
|
|
|
requires_dist = []
|
|
for op, ver in requirement.specs:
|
|
requires_dist.append(op + ver)
|
|
|
|
if requires_dist:
|
|
return " (" + ",".join(sorted(requires_dist)) + ")"
|
|
else:
|
|
return ""
|
|
|
|
|
|
def convert_requirements(requirements: list[str]) -> Iterator[str]:
|
|
"""Yield Requires-Dist: strings for parsed requirements strings."""
|
|
for req in requirements:
|
|
parsed_requirement = Requirement.parse(req)
|
|
spec = requires_to_requires_dist(parsed_requirement)
|
|
extras = ",".join(sorted(parsed_requirement.extras))
|
|
if extras:
|
|
extras = f"[{extras}]"
|
|
|
|
yield parsed_requirement.project_name + extras + spec
|
|
|
|
|
|
def generate_requirements(
|
|
extras_require: dict[str, list[str]]
|
|
) -> Iterator[tuple[str, str]]:
|
|
"""
|
|
Convert requirements from a setup()-style dictionary to
|
|
('Requires-Dist', 'requirement') and ('Provides-Extra', 'extra') tuples.
|
|
|
|
extras_require is a dictionary of {extra: [requirements]} as passed to setup(),
|
|
using the empty extra {'': [requirements]} to hold install_requires.
|
|
"""
|
|
for extra, depends in extras_require.items():
|
|
condition = ""
|
|
extra = extra or ""
|
|
if ":" in extra: # setuptools extra:condition syntax
|
|
extra, condition = extra.split(":", 1)
|
|
|
|
extra = safe_extra(extra)
|
|
if extra:
|
|
yield "Provides-Extra", extra
|
|
if condition:
|
|
condition = "(" + condition + ") and "
|
|
condition += "extra == '%s'" % extra
|
|
|
|
if condition:
|
|
condition = " ; " + condition
|
|
|
|
for new_req in convert_requirements(depends):
|
|
yield "Requires-Dist", new_req + condition
|
|
|
|
|
|
def pkginfo_to_metadata(egg_info_path: str, pkginfo_path: str) -> Message:
|
|
"""
|
|
Convert .egg-info directory with PKG-INFO to the Metadata 2.1 format
|
|
"""
|
|
with open(pkginfo_path, encoding="utf-8") as headers:
|
|
pkg_info = Parser().parse(headers)
|
|
|
|
pkg_info.replace_header("Metadata-Version", "2.1")
|
|
# Those will be regenerated from `requires.txt`.
|
|
del pkg_info["Provides-Extra"]
|
|
del pkg_info["Requires-Dist"]
|
|
requires_path = os.path.join(egg_info_path, "requires.txt")
|
|
if os.path.exists(requires_path):
|
|
with open(requires_path) as requires_file:
|
|
requires = requires_file.read()
|
|
|
|
parsed_requirements = sorted(split_sections(requires), key=lambda x: x[0] or "")
|
|
for extra, reqs in parsed_requirements:
|
|
for key, value in generate_requirements({extra: reqs}):
|
|
if (key, value) not in pkg_info.items():
|
|
pkg_info[key] = value
|
|
|
|
description = pkg_info["Description"]
|
|
if description:
|
|
description_lines = pkg_info["Description"].splitlines()
|
|
dedented_description = "\n".join(
|
|
# if the first line of long_description is blank,
|
|
# the first line here will be indented.
|
|
(
|
|
description_lines[0].lstrip(),
|
|
textwrap.dedent("\n".join(description_lines[1:])),
|
|
"\n",
|
|
)
|
|
)
|
|
pkg_info.set_payload(dedented_description)
|
|
del pkg_info["Description"]
|
|
|
|
return pkg_info
|
|
|