mirror of
https://github.com/hwchase17/langchain
synced 2024-11-10 01:10:59 +00:00
249 lines
8.4 KiB
Python
249 lines
8.4 KiB
Python
import glob
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import json
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import os
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import sys
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import tomllib
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from collections import defaultdict
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from typing import Dict, List, Set
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from pathlib import Path
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LANGCHAIN_DIRS = [
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"libs/core",
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"libs/text-splitters",
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"libs/langchain",
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"libs/community",
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"libs/experimental",
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]
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# ignored partners are removed from dependents
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# but still run if directly edited
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IGNORED_PARTNERS = [
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# remove huggingface from dependents because of CI instability
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# specifically in huggingface jobs
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# https://github.com/langchain-ai/langchain/issues/25558
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"huggingface",
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# remove ai21 because of breaking changes in sdk version 2.14.0
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# that have not been fixed yet
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"ai21",
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]
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def all_package_dirs() -> Set[str]:
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return {
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"/".join(path.split("/")[:-1]).lstrip("./")
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for path in glob.glob("./libs/**/pyproject.toml", recursive=True)
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if "libs/cli" not in path and "libs/standard-tests" not in path
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}
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def dependents_graph() -> dict:
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"""
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Construct a mapping of package -> dependents, such that we can
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run tests on all dependents of a package when a change is made.
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"""
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dependents = defaultdict(set)
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for path in glob.glob("./libs/**/pyproject.toml", recursive=True):
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if "template" in path:
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continue
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# load regular and test deps from pyproject.toml
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with open(path, "rb") as f:
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pyproject = tomllib.load(f)["tool"]["poetry"]
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pkg_dir = "libs" + "/".join(path.split("libs")[1].split("/")[:-1])
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for dep in [
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*pyproject["dependencies"].keys(),
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*pyproject["group"]["test"]["dependencies"].keys(),
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]:
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if "langchain" in dep:
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dependents[dep].add(pkg_dir)
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continue
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# load extended deps from extended_testing_deps.txt
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package_path = Path(path).parent
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extended_requirement_path = package_path / "extended_testing_deps.txt"
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if extended_requirement_path.exists():
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with open(extended_requirement_path, "r") as f:
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extended_deps = f.read().splitlines()
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for depline in extended_deps:
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if depline.startswith("-e "):
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# editable dependency
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assert depline.startswith(
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"-e ../partners/"
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), "Extended test deps should only editable install partner packages"
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partner = depline.split("partners/")[1]
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dep = f"langchain-{partner}"
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else:
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dep = depline.split("==")[0]
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if "langchain" in dep:
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dependents[dep].add(pkg_dir)
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for k in dependents:
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for partner in IGNORED_PARTNERS:
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if f"libs/partners/{partner}" in dependents[k]:
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dependents[k].remove(f"libs/partners/{partner}")
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return dependents
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def add_dependents(dirs_to_eval: Set[str], dependents: dict) -> List[str]:
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updated = set()
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for dir_ in dirs_to_eval:
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# handle core manually because it has so many dependents
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if "core" in dir_:
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updated.add(dir_)
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continue
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pkg = "langchain-" + dir_.split("/")[-1]
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updated.update(dependents[pkg])
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updated.add(dir_)
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return list(updated)
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def _get_configs_for_single_dir(job: str, dir_: str) -> List[Dict[str, str]]:
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if dir_ == "libs/core":
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return [
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{"working-directory": dir_, "python-version": f"3.{v}"}
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for v in range(8, 13)
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]
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min_python = "3.8"
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max_python = "3.12"
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# custom logic for specific directories
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if dir_ == "libs/partners/milvus":
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# milvus poetry doesn't allow 3.12 because they
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# declare deps in funny way
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max_python = "3.11"
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if dir_ in ["libs/community", "libs/langchain"] and job == "extended-tests":
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# community extended test resolution in 3.12 is slow
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# even in uv
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max_python = "3.11"
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if dir_ == "libs/community" and job == "compile-integration-tests":
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# community integration deps are slow in 3.12
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max_python = "3.11"
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return [
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{"working-directory": dir_, "python-version": min_python},
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{"working-directory": dir_, "python-version": max_python},
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]
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def _get_configs_for_multi_dirs(
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job: str, dirs_to_run: List[str], dependents: dict
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) -> List[Dict[str, str]]:
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if job == "lint":
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dirs = add_dependents(
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dirs_to_run["lint"] | dirs_to_run["test"] | dirs_to_run["extended-test"],
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dependents,
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)
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elif job in ["test", "compile-integration-tests", "dependencies"]:
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dirs = add_dependents(
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dirs_to_run["test"] | dirs_to_run["extended-test"], dependents
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)
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elif job == "extended-tests":
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dirs = list(dirs_to_run["extended-test"])
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else:
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raise ValueError(f"Unknown job: {job}")
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return [
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config for dir_ in dirs for config in _get_configs_for_single_dir(job, dir_)
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]
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if __name__ == "__main__":
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files = sys.argv[1:]
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dirs_to_run: Dict[str, set] = {
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"lint": set(),
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"test": set(),
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"extended-test": set(),
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}
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docs_edited = False
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if len(files) >= 300:
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# max diff length is 300 files - there are likely files missing
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dirs_to_run["lint"] = all_package_dirs()
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dirs_to_run["test"] = all_package_dirs()
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dirs_to_run["extended-test"] = set(LANGCHAIN_DIRS)
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for file in files:
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if any(
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file.startswith(dir_)
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for dir_ in (
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".github/workflows",
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".github/tools",
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".github/actions",
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".github/scripts/check_diff.py",
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)
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):
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# add all LANGCHAIN_DIRS for infra changes
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dirs_to_run["extended-test"].update(LANGCHAIN_DIRS)
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dirs_to_run["lint"].add(".")
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if any(file.startswith(dir_) for dir_ in LANGCHAIN_DIRS):
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# add that dir and all dirs after in LANGCHAIN_DIRS
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# for extended testing
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found = False
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for dir_ in LANGCHAIN_DIRS:
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if file.startswith(dir_):
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found = True
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if found:
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dirs_to_run["extended-test"].add(dir_)
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elif file.startswith("libs/standard-tests"):
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# TODO: update to include all packages that rely on standard-tests (all partner packages)
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# note: won't run on external repo partners
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dirs_to_run["lint"].add("libs/standard-tests")
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dirs_to_run["test"].add("libs/partners/mistralai")
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dirs_to_run["test"].add("libs/partners/openai")
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dirs_to_run["test"].add("libs/partners/anthropic")
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dirs_to_run["test"].add("libs/partners/ai21")
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dirs_to_run["test"].add("libs/partners/fireworks")
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dirs_to_run["test"].add("libs/partners/groq")
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elif file.startswith("libs/cli"):
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# todo: add cli makefile
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pass
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elif file.startswith("libs/partners"):
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partner_dir = file.split("/")[2]
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if os.path.isdir(f"libs/partners/{partner_dir}") and [
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filename
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for filename in os.listdir(f"libs/partners/{partner_dir}")
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if not filename.startswith(".")
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] != ["README.md"]:
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dirs_to_run["test"].add(f"libs/partners/{partner_dir}")
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# Skip if the directory was deleted or is just a tombstone readme
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elif file.startswith("libs/"):
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raise ValueError(
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f"Unknown lib: {file}. check_diff.py likely needs "
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"an update for this new library!"
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)
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elif any(file.startswith(p) for p in ["docs/", "templates/", "cookbook/"]):
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if file.startswith("docs/"):
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docs_edited = True
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dirs_to_run["lint"].add(".")
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dependents = dependents_graph()
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# we now have dirs_by_job
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# todo: clean this up
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map_job_to_configs = {
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job: _get_configs_for_multi_dirs(job, dirs_to_run, dependents)
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for job in [
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"lint",
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"test",
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"extended-tests",
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"compile-integration-tests",
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"dependencies",
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]
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}
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map_job_to_configs["test-doc-imports"] = (
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[{"python-version": "3.12"}] if docs_edited else []
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)
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for key, value in map_job_to_configs.items():
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json_output = json.dumps(value)
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print(f"{key}={json_output}")
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