feat(conventional_commits): add ability to overide settings from tool…

….commitizen.customize
commitizen-tools · AxTheB · Aug 7, 2025 · Aug 7, 2025 · Sep 22, 2025 · ed233f9960b16bc230d382174a8b3af58c6b932f
commit ed233f9960b16bc230d382174a8b3af58c6b932f
@@ -1,11 +1,21 @@
 import os
-from typing import TypedDict
+from collections.abc import Iterable
+from typing import TYPE_CHECKING, TypedDict
 
 from commitizen import defaults
+from commitizen.config import BaseConfig
 from commitizen.cz.base import BaseCommitizen
 from commitizen.cz.utils import multiple_line_breaker, required_validator
 from commitizen.question import CzQuestion
 
+if TYPE_CHECKING:
+    from jinja2 import Template
+else:
+    try:
+        from jinja2 import Template
+    except ImportError:
+        from string import Template
+
 __all__ = ["ConventionalCommitsCz"]
 
 
@@ -39,8 +49,31 @@ class ConventionalCommitsCz(BaseCommitizen):
     }
     changelog_pattern = defaults.BUMP_PATTERN
 
-    def questions(self) -> list[CzQuestion]:
-        return [
+    def __init__(self, config: BaseConfig) -> None:
+        super().__init__(config)
+
+        self.custom_settings: defaults.CzSettings = self.config.settings.get(
+            "customize", {}
+        )
+
+        if self.custom_settings:
+            for attr_name in [
+                "bump_pattern",
+                "bump_map",
+                "bump_map_major_version_zero",
+                "change_type_order",
+                "commit_parser",
+                "change_type_map",
+            ]:
+                if value := self.custom_settings.get(attr_name):
+                    setattr(self, attr_name, value)
+
+        self.changelog_pattern = (
+            self.custom_settings.get("changelog_pattern") or self.bump_pattern
+        )
+
+    def questions(self) -> Iterable[CzQuestion]:
+        return self.custom_settings.get("questions") or [
             {
                 "type": "list",
                 "name": "prefix",
@@ -147,6 +180,12 @@ def questions(self) -> list[CzQuestion]:
         ]
 
     def message(self, answers: ConventionalCommitsAnswers) -> str:  # type: ignore[override]
+        if _message_template := self.custom_settings.get("message_template"):
+            message_template = Template(_message_template)
+            if getattr(Template, "substitute", None):
+                return message_template.substitute(**answers)  # type: ignore[attr-defined,no-any-return] # pragma: no cover # TODO: check if we can fix this
+            return message_template.render(**answers)
+
         prefix = answers["prefix"]
         scope = answers["scope"]
         subject = answers["subject"]
@@ -166,7 +205,7 @@ def message(self, answers: ConventionalCommitsAnswers) -> str:  # type: ignore[o
         return f"{prefix}{scope}: {subject}{body}{footer}"
 
     def example(self) -> str:
-        return (
+        return self.custom_settings.get("example") or (
             "fix: correct minor typos in code\n"
             "\n"
             "see the issue for details on the typos fixed\n"
@@ -175,7 +214,7 @@ def example(self) -> str:
         )
 
     def schema(self) -> str:
-        return (
+        return self.custom_settings.get("schema") or (
             "<type>(<scope>): <subject>\n"
             "<BLANK LINE>\n"
             "<body>\n"
@@ -184,6 +223,8 @@ def schema(self) -> str:
         )
 
     def schema_pattern(self) -> str:
+        if schema_pattern := self.custom_settings.get("schema_pattern"):
+            return schema_pattern
         change_types = (
             "build",
             "bump",
@@ -209,6 +250,11 @@ def schema_pattern(self) -> str:
         )
 
     def info(self) -> str:
+        if info_path := self.custom_settings.get("info_path"):
+            with open(info_path, encoding=self.config.settings["encoding"]) as f:
+                return f.read()
+        if info := self.custom_settings.get("info"):
+            return info
         dir_path = os.path.dirname(os.path.realpath(__file__))
         filepath = os.path.join(dir_path, "conventional_commits_info.txt")
         with open(filepath, encoding=self.config.settings["encoding"]) as f:

@@ -3,17 +3,11 @@ We have two different ways to do so.
 
 ## 1. Customize in configuration file
 
-The basic steps are:
-
-1. Define your custom committing or bumping rules in the configuration file.
-2. Declare `name = "cz_customize"` in your configuration file, or add `-n cz_customize` when running Commitizen.
+Define your custom committing or bumping rules in the configuration file, changing behaviour of the default cz_conventional_commits commitizen.
 
 Example:
 
 ```toml title="pyproject.toml"
-[tool.commitizen]
-name = "cz_customize"
-
 [tool.commitizen.customize]
 message_template = "{{change_type}}:{% if show_message %} {{message}}{% endif %}"
 example = "feature: this feature enable customize through config file"
@@ -53,7 +47,6 @@ The equivalent example for a json config file:
 ```json title=".cz.json"
 {
     "commitizen": {
-        "name": "cz_customize",
         "customize": {
             "message_template": "{{change_type}}:{% if show_message %} {{message}}{% endif %}",
             "example": "feature: this feature enable customize through config file",
@@ -108,7 +101,6 @@ And the correspondent example for a yaml file:
 
 ```yaml title=".cz.yaml"
 commitizen:
-  name: cz_customize
   customize:
     message_template: "{{change_type}}:{% if show_message %} {{message}}{% endif %}"
     example: 'feature: this feature enable customize through config file'