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cli: rename langgraph.json to langsmith.json

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Rename the default config filename from `langgraph.json` to
`langsmith.json` as part of the "LangGraph Platform" to "LangSmith
Deployment" rebranding.

Backward compatibility is preserved: the CLI falls back to
`langgraph.json` with a deprecation warning when `langsmith.json`
is not found. A new `_resolve_config` callback handles the
resolution logic for all `--config` click options.

Changes span libs/cli (core logic, examples, tests), libs/sdk-py
(docstrings), libs/langgraph (Makefile), and .github CI scripts.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
William Fu-Hinthorn
2026-03-29 07:41:32 -07:00
co-authored by Claude Opus 4.6
parent ae76f33c6d
commit a99d733bb5
29 changed files with 125 additions and 62 deletions
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libs/cli/tests/unit_tests/test_deploy_helpers.py
+6 -6
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@@ -85,7 +85,7 @@ class TestNormalizeImageTag:
class TestParseEnvFromConfig:
def test_env_dict(self, tmp_path):
config_path = tmp_path / "langgraph.json"
config_path = tmp_path / "langsmith.json"
config_path.touch()
result = _parse_env_from_config({"env": {"FOO": "bar", "NUM": 42}}, config_path)
assert result == {"FOO": "bar", "NUM": "42"}
@@ -93,7 +93,7 @@ class TestParseEnvFromConfig:
def test_env_string_dotenv_file(self, tmp_path):
env_file = tmp_path / "my.env"
env_file.write_text("KEY1=val1\nKEY2=val2\n")
config_path = tmp_path / "langgraph.json"
config_path = tmp_path / "langsmith.json"
config_path.touch()
result = _parse_env_from_config({"env": "my.env"}, config_path)
assert result == {"KEY1": "val1", "KEY2": "val2"}
@@ -102,7 +102,7 @@ class TestParseEnvFromConfig:
env_file = tmp_path / ".env"
env_file.write_text("DEFAULT_KEY=default_val\n")
monkeypatch.chdir(tmp_path)
config_path = tmp_path / "langgraph.json"
config_path = tmp_path / "langsmith.json"
config_path.touch()
result = _parse_env_from_config({}, config_path)
assert result == {"DEFAULT_KEY": "default_val"}
@@ -112,14 +112,14 @@ class TestParseEnvFromConfig:
env_file = tmp_path / ".env"
env_file.write_text("MY_KEY=my_val\n")
monkeypatch.chdir(tmp_path)
config_path = tmp_path / "langgraph.json"
config_path = tmp_path / "langsmith.json"
config_path.touch()
result = _parse_env_from_config({"env": {}}, config_path)
assert result == {"MY_KEY": "my_val"}
def test_env_missing_no_dotenv_returns_empty(self, tmp_path, monkeypatch):
monkeypatch.chdir(tmp_path)
config_path = tmp_path / "langgraph.json"
config_path = tmp_path / "langsmith.json"
config_path.touch()
result = _parse_env_from_config({}, config_path)
assert result == {}
@@ -128,7 +128,7 @@ class TestParseEnvFromConfig:
# Lines like "KEY=" produce empty string, lines like "KEY" produce None
env_file = tmp_path / "test.env"
env_file.write_text("GOOD=value\nEMPTY=\n")
config_path = tmp_path / "langgraph.json"
config_path = tmp_path / "langsmith.json"
config_path.touch()
result = _parse_env_from_config({"env": "test.env"}, config_path)
assert "GOOD" in result