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Use CREWAI_PROMPT_FILE environment variable. #777

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Use CREWAI_PROMPT_FILE environment variable. #777

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10 changes: 7 additions & 3 deletions src/crewai/utilities/i18n.py
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,9 @@ class I18N(BaseModel):
_prompts: Dict[str, Dict[str, str]] = PrivateAttr()
prompt_file: Optional[str] = Field(
default=None,
description="Path to the prompt_file file to load",
description="Path to the prompt_file file to load. "
"If not provided, $CREWAI_PROMPT_FILE will be checked. "
"If also not set, uses the default prompts"
)

@model_validator(mode="after")
Expand All @@ -20,8 +22,10 @@ def load_prompts(self) -> "I18N":
with open(self.prompt_file, "r") as f:
self._prompts = json.load(f)
else:
dir_path = os.path.dirname(os.path.realpath(__file__))
prompts_path = os.path.join(dir_path, "../translations/en.json")
prompts_path = os.environ.get("CREWAI_PROMPT_FILE")
if not prompts_path:
dir_path = os.path.dirname(os.path.realpath(__file__))
prompts_path = os.path.join(dir_path, "../translations/en.json")

with open(prompts_path, "r") as f:
self._prompts = json.load(f)
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21 changes: 21 additions & 0 deletions tests/utilities/test_i18n.py
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Expand Up @@ -42,3 +42,24 @@ def test_prompt_file():
i18n.load_prompts()
assert isinstance(i18n.retrieve("slices", "role_playing"), str)
assert i18n.retrieve("slices", "role_playing") == "Lorem ipsum dolor sit amet"


def test_prompt_file_env():
import os

path = os.path.join(os.path.dirname(__file__), "prompts.json")
old_env = os.environ.get("CREWAI_PROMPT_FILE")
try:
os.environ["CREWAI_PROMPT_FILE"] = path
i18n = I18N()
i18n.load_prompts()
assert i18n.retrieve("slices", "role_playing") == "Lorem ipsum dolor sit amet"
finally:
if old_env:
os.environ["CREWAI_PROMPT_FILE"] = old_env
else:
del os.environ["CREWAI_PROMPT_FILE"]

i18n = I18N()
i18n.load_prompts()
assert i18n.retrieve("slices", "role_playing") != "Lorem ipsum dolor sit amet"
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