mirror of
https://github.com/hwchase17/langchain
synced 2024-11-11 19:11:02 +00:00
129 lines
4.0 KiB
Python
129 lines
4.0 KiB
Python
import sys
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from typing import Optional
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if sys.version_info >= (3, 11):
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import tomllib
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else:
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# for python 3.10 and below, which doesnt have stdlib tomllib
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import tomli as tomllib
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from packaging.version import parse as parse_version
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from packaging.specifiers import SpecifierSet
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from packaging.version import Version
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import re
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MIN_VERSION_LIBS = [
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"langchain-core",
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"langchain-community",
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"langchain",
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"langchain-text-splitters",
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"SQLAlchemy",
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]
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SKIP_IF_PULL_REQUEST = ["langchain-core"]
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def get_min_version(version: str) -> str:
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# base regex for x.x.x with cases for rc/post/etc
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# valid strings: https://peps.python.org/pep-0440/#public-version-identifiers
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vstring = r"\d+(?:\.\d+){0,2}(?:(?:a|b|rc|\.post|\.dev)\d+)?"
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# case ^x.x.x
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_match = re.match(f"^\\^({vstring})$", version)
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if _match:
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return _match.group(1)
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# case >=x.x.x,<y.y.y
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_match = re.match(f"^>=({vstring}),<({vstring})$", version)
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if _match:
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_min = _match.group(1)
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_max = _match.group(2)
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assert parse_version(_min) < parse_version(_max)
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return _min
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# case x.x.x
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_match = re.match(f"^({vstring})$", version)
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if _match:
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return _match.group(1)
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raise ValueError(f"Unrecognized version format: {version}")
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def get_min_version_from_toml(
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toml_path: str,
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versions_for: str,
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python_version: str,
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*,
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include: Optional[list] = None,
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):
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# Parse the TOML file
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with open(toml_path, "rb") as file:
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toml_data = tomllib.load(file)
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# Get the dependencies from tool.poetry.dependencies
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dependencies = toml_data["tool"]["poetry"]["dependencies"]
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# Initialize a dictionary to store the minimum versions
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min_versions = {}
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# Iterate over the libs in MIN_VERSION_LIBS
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for lib in set(MIN_VERSION_LIBS + (include or [])):
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if versions_for == "pull_request" and lib in SKIP_IF_PULL_REQUEST:
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# some libs only get checked on release because of simultaneous
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# changes
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continue
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# Check if the lib is present in the dependencies
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if lib in dependencies:
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if include and lib not in include:
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continue
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# Get the version string
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version_string = dependencies[lib]
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if isinstance(version_string, dict):
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version_string = version_string["version"]
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if isinstance(version_string, list):
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version_string = [
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vs
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for vs in version_string
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if check_python_version(python_version, vs["python"])
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][0]["version"]
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# Use parse_version to get the minimum supported version from version_string
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min_version = get_min_version(version_string)
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# Store the minimum version in the min_versions dictionary
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min_versions[lib] = min_version
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return min_versions
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def check_python_version(version_string, constraint_string):
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"""
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Check if the given Python version matches the given constraints.
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:param version_string: A string representing the Python version (e.g. "3.8.5").
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:param constraint_string: A string representing the package's Python version constraints (e.g. ">=3.6, <4.0").
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:return: True if the version matches the constraints, False otherwise.
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"""
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try:
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version = Version(version_string)
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constraints = SpecifierSet(constraint_string)
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return version in constraints
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except Exception as e:
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print(f"Error: {e}")
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return False
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if __name__ == "__main__":
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# Get the TOML file path from the command line argument
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toml_file = sys.argv[1]
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versions_for = sys.argv[2]
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python_version = sys.argv[3]
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assert versions_for in ["release", "pull_request"]
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# Call the function to get the minimum versions
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min_versions = get_min_version_from_toml(toml_file, versions_for, python_version)
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print(" ".join([f"{lib}=={version}" for lib, version in min_versions.items()]))
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