# ==================================================================================================================== #
# _____ ____ _ _ ____ _ #
# _ __ _ _| ____| _ \ / \ / \ | _ \ ___ _ __ ___ _ __| |_ ___ #
# | '_ \| | | | _| | | | |/ _ \ / _ \ | |_) / _ \ '_ \ / _ \| '__| __/ __| #
# | |_) | |_| | |___| |_| / ___ \ / ___ \ _| _ < __/ |_) | (_) | | | |_\__ \ #
# | .__/ \__, |_____|____/_/ \_\/_/ \_(_)_| \_\___| .__/ \___/|_| \__|___/ #
# |_| |___/ |_| #
# ==================================================================================================================== #
# Authors: #
# Patrick Lehmann #
# #
# License: #
# ==================================================================================================================== #
# Copyright 2021-2026 Electronic Design Automation Abstraction (EDA²) #
# #
# Licensed under the Apache License, Version 2.0 (the "License"); #
# you may not use this file except in compliance with the License. #
# You may obtain a copy of the License at #
# #
# http://www.apache.org/licenses/LICENSE-2.0 #
# #
# Unless required by applicable law or agreed to in writing, software #
# distributed under the License is distributed on an "AS IS" BASIS, #
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. #
# See the License for the specific language governing permissions and #
# limitations under the License. #
# #
# SPDX-License-Identifier: Apache-2.0 #
# ==================================================================================================================== #
#
from pathlib import Path
from re import compile as re_compile
from pyTooling.Decorators import export
[docs]
@export
class Requirement:
_package: str
EXTRA_PATTERN = re_compile(r"""^\s*extra\s*==\s*(?P<quote>['"])(?P<key>\w+)(?P=quote)?$""")
# python_version
# platform_python_implementation
# platform_system
# python_full_version
# sys_platform
[docs]
def __init__(self, rule: str) -> None:
extraKey = None
for rulePart in (part.strip() for part in rule.split(";")):
match = self.EXTRA_PATTERN.match(rulePart)
if match:
extraKey = match["key"]
continue
[docs]
@export
class RequirementsFile:
_path: Path
[docs]
def __init__(self, path: Path, parse: bool = False) -> None:
self._path = path
if parse:
self.Parse()
def Parse(self) -> None:
with self._path.open("r", encoding="utf-8") as file:
lines = file.readline()
for line in lines:
pass