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Allow to override source code header #19

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merged 1 commit into from
May 5, 2023
Merged

Allow to override source code header #19

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14 changes: 3 additions & 11 deletions pydantic2zod/_codegen.py
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Original file line number Diff line number Diff line change
Expand Up @@ -33,17 +33,19 @@ def __init__(
self,
model_rename_rules: dict[str, str] | None = None,
modify_models: Callable[[list[ClassDecl]], list[ClassDecl]] | None = None,
gen_header: Callable[[], str] | None = None,
) -> None:
self._model_rename_rules = model_rename_rules or {}
self._modify_models = modify_models or (lambda m: m)
self._gen_header = gen_header or (lambda: "")

def to_zod(self, pydantic_models: list[ClassDecl]) -> str:
self._apply_model_rename_rules(pydantic_models)
models = self._modify_models(pydantic_models)
_warn_about_duplicate_models(models)

code = Lines()
self._gen_header(code)
code.add(self._gen_header())

for cls in models:
if not cls.name.startswith("_"):
Expand All @@ -52,16 +54,6 @@ def to_zod(self, pydantic_models: list[ClassDecl]) -> str:

return str(code)

def _gen_header(self, code: "Lines") -> None:
header = """
/**
* NOTE: automatically generated by the pydantic2zod compiler.
*/

import { z } from "zod";
"""
code.add(header)

def _apply_model_rename_rules(self, pydantic_models: list[ClassDecl]) -> None:
for model in pydantic_models:
if new_name := self._model_rename_rules.get(model.full_path):
Expand Down
14 changes: 13 additions & 1 deletion pydantic2zod/_compiler.py
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Original file line number Diff line number Diff line change
Expand Up @@ -33,7 +33,9 @@ class Compiler:
"""

def __init__(self) -> None:
self._codegen = Codegen(self.MODEL_RENAME_RULES, self._modify_models)
self._codegen = Codegen(
self.MODEL_RENAME_RULES, self._modify_models, self._gen_header
)
self._pydantic_models: list[ClassDecl] = []

def parse(self, module_name: str) -> Self:
Expand All @@ -52,3 +54,13 @@ def _modify_models(self, pydantic_models: list[ClassDecl]) -> list[ClassDecl]:
e.g. remove default field values.
"""
return pydantic_models

def _gen_header(self) -> str:
"""Override in case you want to add some header to the generated code."""
return """
/**
* NOTE: automatically generated by the pydantic2zod compiler.
*/

import { z } from "zod";
"""