feat: vendor packaging + add support for requires python check

This is a mostly small change albeit with addition of more embedded
code from pypa/packaging to simplify supporting a requires-python check
with PEP723 style syntax.
This commit is contained in:
Daylin Morgan 2024-01-02 14:44:38 -06:00 committed by daylin
parent f16ded2a83
commit 523a9a9d06
10 changed files with 1472 additions and 431 deletions

2
.gitignore vendored
View File

@ -176,3 +176,5 @@ docs/viv.py
docs/svgs
docs/public
/tests/.viv-cache
/scripts/tomli
/scripts/packaging

View File

@ -4,6 +4,6 @@ repos:
- repo: https://github.com/astral-sh/ruff-pre-commit
rev: v0.1.10
hooks:
- id: ruff-format
- id: ruff
args: [ --fix ]
- id: ruff-format

0
examples/stopwatch.py Executable file → Normal file
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@ -58,4 +58,4 @@ def release(session):
@nox.session(python=["3.8", "3.9", "3.10", "3.11"])
def test(session):
pdm_install(session, "test")
session.run("pytest")
session.run("pytest", "tests/")

View File

@ -5,7 +5,7 @@
groups = ["default", "dev", "docs", "test"]
strategy = ["cross_platform"]
lock_version = "4.4.1"
content_hash = "sha256:c9e5da8cc42f30380075c09b37765d5687a14daa61ee3323af51ee1aa73f57a5"
content_hash = "sha256:67b99f093f433bb1a56dc393d51c615b65e94ea9ad397a5460c5a2a29a21cb22"
[[package]]
name = "alabaster"
@ -17,6 +17,16 @@ files = [
{file = "alabaster-0.7.13.tar.gz", hash = "sha256:a27a4a084d5e690e16e01e03ad2b2e552c61a65469419b907243193de1a84ae2"},
]
[[package]]
name = "astor"
version = "0.8.1"
requires_python = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,>=2.7"
summary = "Read/rewrite/write Python ASTs"
files = [
{file = "astor-0.8.1-py2.py3-none-any.whl", hash = "sha256:070a54e890cefb5b3739d19f30f5a5ec840ffc9c50ffa7d23cc9fc1a38ebbfc5"},
{file = "astor-0.8.1.tar.gz", hash = "sha256:6a6effda93f4e1ce9f618779b2dd1d9d84f1e32812c23a29b3fff6fd7f63fa5e"},
]
[[package]]
name = "babel"
version = "2.14.0"
@ -216,15 +226,15 @@ files = [
[[package]]
name = "importlib-metadata"
version = "7.0.0"
version = "7.0.1"
requires_python = ">=3.8"
summary = "Read metadata from Python packages"
dependencies = [
"zipp>=0.5",
]
files = [
{file = "importlib_metadata-7.0.0-py3-none-any.whl", hash = "sha256:d97503976bb81f40a193d41ee6570868479c69d5068651eb039c40d850c59d67"},
{file = "importlib_metadata-7.0.0.tar.gz", hash = "sha256:7fc841f8b8332803464e5dc1c63a2e59121f46ca186c0e2e182e80bf8c1319f7"},
{file = "importlib_metadata-7.0.1-py3-none-any.whl", hash = "sha256:4805911c3a4ec7c3966410053e9ec6a1fecd629117df5adee56dfc9432a1081e"},
{file = "importlib_metadata-7.0.1.tar.gz", hash = "sha256:f238736bb06590ae52ac1fab06a3a9ef1d8dce2b7a35b5ab329371d6c8f5d2cc"},
]
[[package]]
@ -360,7 +370,7 @@ files = [
[[package]]
name = "mypy"
version = "1.7.1"
version = "1.8.0"
requires_python = ">=3.8"
summary = "Optional static typing for Python"
dependencies = [
@ -369,33 +379,33 @@ dependencies = [
"typing-extensions>=4.1.0",
]
files = [
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{file = "mypy-1.8.0.tar.gz", hash = "sha256:6ff8b244d7085a0b425b56d327b480c3b29cafbd2eff27316a004f9a7391ae07"},
]
[[package]]
@ -507,7 +517,7 @@ files = [
[[package]]
name = "pytest"
version = "7.4.3"
version = "7.4.4"
requires_python = ">=3.7"
summary = "pytest: simple powerful testing with Python"
dependencies = [
@ -519,8 +529,8 @@ dependencies = [
"tomli>=1.0.0; python_version < \"3.11\"",
]
files = [
{file = "pytest-7.4.3-py3-none-any.whl", hash = "sha256:0d009c083ea859a71b76adf7c1d502e4bc170b80a8ef002da5806527b9591fac"},
{file = "pytest-7.4.3.tar.gz", hash = "sha256:d989d136982de4e3b29dabcc838ad581c64e8ed52c11fbe86ddebd9da0818cd5"},
{file = "pytest-7.4.4-py3-none-any.whl", hash = "sha256:b090cdf5ed60bf4c45261be03239c2c1c22df034fbffe691abe93cd80cea01d8"},
{file = "pytest-7.4.4.tar.gz", hash = "sha256:2cf0005922c6ace4a3e2ec8b4080eb0d9753fdc93107415332f50ce9e7994280"},
]
[[package]]
@ -624,25 +634,25 @@ files = [
[[package]]
name = "setuptools"
version = "69.0.2"
version = "69.0.3"
requires_python = ">=3.8"
summary = "Easily download, build, install, upgrade, and uninstall Python packages"
files = [
{file = "setuptools-69.0.2-py3-none-any.whl", hash = "sha256:1e8fdff6797d3865f37397be788a4e3cba233608e9b509382a2777d25ebde7f2"},
{file = "setuptools-69.0.2.tar.gz", hash = "sha256:735896e78a4742605974de002ac60562d286fa8051a7e2299445e8e8fbb01aa6"},
{file = "setuptools-69.0.3-py3-none-any.whl", hash = "sha256:385eb4edd9c9d5c17540511303e39a147ce2fc04bc55289c322b9e5904fe2c05"},
{file = "setuptools-69.0.3.tar.gz", hash = "sha256:be1af57fc409f93647f2e8e4573a142ed38724b8cdd389706a867bb4efcf1e78"},
]
[[package]]
name = "shibuya"
version = "2023.10.26"
version = "2024.1.2"
requires_python = ">=3.7"
summary = "A clean, responsive, and customizable Sphinx documentation theme with light/dark mode."
dependencies = [
"Sphinx",
]
files = [
{file = "shibuya-2023.10.26-py3-none-any.whl", hash = "sha256:e8a8647005a410d929fe4fdd3af2b88c156efbca8582ce3803ebd7771d08cebb"},
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]
[[package]]

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@ -24,8 +24,9 @@ version = { source = "scm" }
[tool.pdm.dev-dependencies]
dev = [
"pre-commit>=3",
"mypy>=0.991",
"pre-commit>=3",
"mypy>=0.991",
"astor>=0.8.1",
]
docs = [
"sphinx",

View File

@ -1,87 +0,0 @@
import re
from pathlib import Path
FILES = (
("types", [[7, 11]]),
("re", [[14, 107]]),
("parser", [[20, 691]]),
)
TOMLI_DELIM = ("##### START VENDORED TOMLI #####", "##### END VENDORED TOMLI #####")
TOMLI_PREFACE = """
# MODIFIED FROM https://github.com/hukkin/tomli
# see below for original license
# SPDX-License-Identifier: MIT
# SPDX-FileCopyrightText: 2021 Taneli Hukkinen
# Licensed to PSF under a Contributor Agreement.
"""
VENDORED_IMPORTS = """
import string # noqa
from collections.abc import Iterable # noqa
from functools import lru_cache # noqa
from datetime import date, datetime, time, timedelta, timezone, tzinfo # noqa
from types import MappingProxyType # noqa
from typing import IO, Any, Callable, NamedTuple # noqa
"""
# REMOVE FOR ACTUAL VENDORED VERSION
tomli_text = VENDORED_IMPORTS
for f, slices in FILES:
text = Path(f"./tomli/src/tomli/_{f}.py").read_text()
for indices in slices:
tomli_text = "\n".join(
(
tomli_text,
# black can add back spaces if it wants
*[
line
for line in text.splitlines()[slice(*indices)]
if line.strip("\r\n")
],
)
)
IDENT_PATTERN = r"^(?P<ident>[A-Z_]*) ="
FUNC_PATTERN = r"^def (?P<function>[a-zA-Z_]+)\("
idents = re.findall(IDENT_PATTERN, tomli_text, re.MULTILINE)
funcs = re.findall(FUNC_PATTERN, tomli_text, re.MULTILINE)
# TODO: USE ONE LOOP?
for pat in idents + funcs:
tomli_text = re.sub(f"(?<!__tomli__){pat}", f"__tomli__{pat}", tomli_text)
# for func in funcs:
# tomli_text = re.sub(f"(?<!__tomli__){func}", f" __tomli__{func}", tomli_text)
# tomli_text += "\n# fmt:on\n"
tomli_text = "\n".join((TOMLI_PREFACE, tomli_text))
viv_src = Path("../src/viv/viv.py")
start, rest = re.split(TOMLI_DELIM[0], viv_src.read_text())
_, rest = re.split(TOMLI_DELIM[1], viv_src.read_text())
viv_src.write_text(
"\n".join(
(
start.strip(),
"\n",
TOMLI_DELIM[0],
tomli_text.strip(),
TOMLI_DELIM[1],
"\n",
rest.strip(),
)
)
)
# re.sub(
# r"""\n##### START VENDORED TOMLI #####\n*.*\n*##### END VENDORED TOMLI #####\n""",
# re.escape(tomli_text),
# viv_src.read_text(),
# re.MULTILINE,
# )
# )

221
scripts/vendor.py Executable file
View File

@ -0,0 +1,221 @@
#!/usr/bin/env python3
import ast
import re
import subprocess
import textwrap
from pathlib import Path
from typing import List
import astor
def remove_docs_and_comments(code):
parsed = ast.parse(code)
for node in ast.walk(parsed):
if isinstance(node, ast.Expr) and isinstance(node.value, ast.Str):
# set value to empty string which should be ignored by astor.to_source
node.value = ast.Constant(value="")
elif (
(isinstance(node, ast.FunctionDef) or isinstance(node, ast.ClassDef))
and len(node.body) == 1
and isinstance(node.body[0], ast.Expr)
and isinstance(node.body[0].value, ast.Constant)
):
# add pass to empty functions and class definition
node.body = [ast.Pass()]
formatted_code = astor.to_source(parsed)
pattern = r'^.*"""""".*$' # remove empty """"""
formatted_code = re.sub(pattern, "", formatted_code, flags=re.MULTILINE)
return formatted_code
class Package:
def __init__(
self,
name: str,
url: str,
files: List[tuple[str, List[List[int]]]],
rev: str,
basepath: Path,
imports: str = "",
prefix: str = "",
suffix: str = "",
indent: bool = False,
):
self.name = name
self.files = files
self.url = url
self.rev = rev
self.basepath = basepath
self.imports = imports
self.prefix = prefix
self.suffix = suffix
self.indent = indent
self.ensure()
self.generate_vendored_source()
self.replace_identifiers()
def ensure(self):
dir = Path(__file__).parent / self.name
if not dir.is_dir():
subprocess.run(["git", "clone", self.url])
subprocess.run(["git", "-C", dir, "checkout", self.rev])
@property
def start_delim(self) -> str:
return f"#### START VENDORED {self.name.upper()} ####"
@property
def end_delim(self) -> str:
return f"#### END VENDORED {self.name.upper()} ####"
def generate_vendored_source(self):
self.src_text = ""
for f, slices in self.files:
og_text = (self.basepath / f"{f}.py").read_text()
for indices in slices:
self.src_text = "\n".join(
(
self.src_text,
*[
line
for line in og_text.splitlines()[slice(*indices)]
if line.strip("\r\n")
],
)
)
def replace_identifiers(self):
patterns = set.union(
*[
set(re.findall(regex, self.src_text, re.MULTILINE))
for regex in (
r"^class (?P<class>[a-zA-Z_]*)(?:\(.*\))?:",
r"^(?P<ident>[a-zA-Z_]*) =",
r"^def (?P<function>[a-zA-Z_]+)\(",
)
]
) - {
"Key",
} # prevent KeyError false positive by leaving Key alone
for pat in patterns:
self.src_text = re.sub(
r'(?P<lead>[\s("\[={])' + pat,
f"\g<lead>v_{self.name}_{pat}",
self.src_text,
)
def insert(self, base_text: str) -> str:
start, rest = re.split(self.start_delim, base_text)
_, rest = re.split(self.end_delim, base_text)
src = textwrap.indent(
remove_docs_and_comments(self.src_text.strip()),
prefix=" " * (4 if self.indent else 0),
)
return "\n".join(
(
start.strip(),
"\n",
self.start_delim,
self.prefix + self.imports + src + self.suffix,
self.end_delim,
"\n",
rest.strip(),
)
)
PACKAGES = [
Package(
name="packaging",
url="https://github.com/pypa/packaging.git",
rev="23.2",
files=(
("_structures", [[5, 61]]),
("version", [[17, 563]]),
("utils", [[54, 100]]),
("specifiers", [[28, 1030]]),
),
basepath=Path(__file__).parent / "packaging/src/packaging",
prefix="""
# MODIFIED FROM https://github.com/pypa/packaging
# see repo for original licenses
# This software is made available under the terms of *either* of the licenses
# found in LICENSE.APACHE or LICENSE.BSD. Contributions to this software is made
# under the terms of *both* these licenses.
""",
imports="""
import abc # noqa
import itertools # noqa
import re # noqa
from typing import ( # noqa
Any,
Callable,
Iterable,
Iterator,
List,
NamedTuple,
Optional,
Set,
SupportsInt,
Tuple,
TypeVar,
Union,
)
""",
suffix="""
Version = v_packaging_Version
SpecifierSet = v_packaging_SpecifierSet
""",
),
Package(
name="tomli",
url="https://github.com/hukkin/tomli.git",
rev="2.0.1",
files=(
("_types", [[7, 11]]),
("_re", [[14, 107]]),
("_parser", [[20, 691]]),
),
prefix="""
try:
from tomllib import loads as toml_loads
except ImportError:
# MODIFIED FROM https://github.com/hukkin/tomli
# see below for original license
# SPDX-License-Identifier: MIT
# SPDX-FileCopyrightText: 2021 Taneli Hukkinen
# Licensed to PSF under a Contributor Agreement.
""",
imports="""
import string # noqa
from collections.abc import Iterable # noqa
from functools import lru_cache # noqa
from datetime import date, datetime, time, timedelta, timezone, tzinfo # noqa
from io import BinaryIO
from types import MappingProxyType # noqa
from typing import IO, Any, Callable, NamedTuple # noqa
""",
basepath=Path(__file__).parent / "tomli/src/tomli",
suffix="""
toml_loads = v_tomli_loads
""",
indent=True,
),
]
def main():
viv_source_path = Path(__file__).parent.parent / "src/viv/viv.py"
viv_source = viv_source_path.read_text()
for pkg in PACKAGES:
viv_source = pkg.insert(viv_source)
viv_source_path.write_text(viv_source)
if __name__ == "__main__":
main()

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@ -0,0 +1,17 @@
from viv import SpecifierSet, Version, toml_loads
def test_packaging():
assert Version("3.6") in SpecifierSet(">=3.6")
def test_tomli():
assert {"requires-python": ">3.6", "dependencies": ["rich", "typer"]} == toml_loads(
"""
requires-python = ">3.6"
dependencies = [
"rich",
"typer"
]
"""
)