From 83297bd15b7ce1ed16cf988864a1eb488da9200c Mon Sep 17 00:00:00 2001
From: Christopher Pickering <christopher@going.bg>
Date: Wed, 7 Sep 2022 13:10:13 -0500
Subject: [PATCH] feat(config): added option for custom configuration file path

This can be used for a global .djlintrc file.

closes #170
---
 docs/src/docs/getting-started.md           |  1 +
 docs/src/fr/docs/getting-started.md        |  1 +
 docs/src/ru/docs/getting-started.md        |  1 +
 src/djlint/__init__.py                     | 10 +++++++++
 src/djlint/settings.py                     | 15 +++++++++++--
 tests/test_config/test_json/.djlint-cust   |  5 +++++
 tests/test_config/test_json/test_config.py | 25 +++++++++++++++++++++-
 7 files changed, 55 insertions(+), 3 deletions(-)
 create mode 100644 tests/test_config/test_json/.djlint-cust

diff --git a/docs/src/docs/getting-started.md b/docs/src/docs/getting-started.md
index 31dc129..55a9871 100644
--- a/docs/src/docs/getting-started.md
+++ b/docs/src/docs/getting-started.md
@@ -49,6 +49,7 @@ Options:
   --preserve-blank-lines    Attempt to preserve blank lines.
   --format-css              Also format contents of <style> tags.
   --format-js               Also format contents of <script> tags.
+  --configuration           Path to global configuration file in .djlintrc format
   -h, --help                Show this message and exit.
 ```
 
diff --git a/docs/src/fr/docs/getting-started.md b/docs/src/fr/docs/getting-started.md
index 659c507..5d86462 100644
--- a/docs/src/fr/docs/getting-started.md
+++ b/docs/src/fr/docs/getting-started.md
@@ -49,6 +49,7 @@ Options:
   --preserve-blank-lines    Attempt to preserve blank lines.
   --format-css              Also format contents of <style> tags.
   --format-js               Also format contents of <script> tags.
+  --configuration           Path to global configuration file in .djlintrc format
   -h, --help                Show this message and exit.
 ```
 
diff --git a/docs/src/ru/docs/getting-started.md b/docs/src/ru/docs/getting-started.md
index 70c8e7f..279b47b 100644
--- a/docs/src/ru/docs/getting-started.md
+++ b/docs/src/ru/docs/getting-started.md
@@ -49,6 +49,7 @@ Options:
   --preserve-blank-lines    Attempt to preserve blank lines.
   --format-css              Also format contents of <style> tags.
   --format-js               Also format contents of <script> tags.
+  --configuration           Path to global configuration file in .djlintrc format
   -h, --help                Show this message and exit.
 ```
 
diff --git a/src/djlint/__init__.py b/src/djlint/__init__.py
index 9d5336e..994c113 100644
--- a/src/djlint/__init__.py
+++ b/src/djlint/__init__.py
@@ -114,6 +114,14 @@ from .src import get_src
     is_flag=True,
     help="Also format contents of <script> tags.",
 )
+@click.option(
+    "--configuration",
+    type=click.Path(
+        exists=True, file_okay=True, dir_okay=True, readable=True, allow_dash=True
+    ),
+    required=False,
+    help="Path to global configuration file in .djlintrc format",
+)
 @colorama_text(autoreset=True)
 def main(
     src: List[str],
@@ -132,6 +140,7 @@ def main(
     preserve_blank_lines: bool,
     format_css: bool,
     format_js: bool,
+    configuration: Optional[str],
 ) -> None:
     """djLint · HTML template linter and formatter."""
     config = Config(
@@ -151,6 +160,7 @@ def main(
         preserve_blank_lines=preserve_blank_lines,
         format_css=format_css,
         format_js=format_js,
+        configuration=configuration,
     )
 
     temp_file = None
diff --git a/src/djlint/settings.py b/src/djlint/settings.py
index 2a05990..8412b42 100644
--- a/src/djlint/settings.py
+++ b/src/djlint/settings.py
@@ -96,10 +96,20 @@ def find_djlint_rules(root: Path) -> Optional[Path]:
     return None
 
 
-def load_project_settings(src: Path) -> Dict:
+def load_project_settings(src: Path, config: Optional[str]) -> Dict:
     """Load djlint config from pyproject.toml."""
 
     djlint_content: Dict = {}
+
+    if config:
+        try:
+            return json.loads(Path(config).resolve().read_text(encoding="utf8"))
+        # pylint: disable=broad-except
+        except BaseException:
+            logger.info(
+                "Failed to load config file. Ensure file exists and is in json format."
+            )
+
     pyproject_file = find_pyproject(src)
 
     if pyproject_file:
@@ -195,6 +205,7 @@ class Config:
         preserve_blank_lines: bool = False,
         format_css: bool = False,
         format_js: bool = False,
+        configuration: Optional[str] = None,
     ):
 
         self.reformat = reformat
@@ -205,7 +216,7 @@ class Config:
 
         self.project_root = find_project_root(Path(src))
 
-        djlint_settings = load_project_settings(self.project_root)
+        djlint_settings = load_project_settings(self.project_root, configuration)
 
         self.gitignore = load_gitignore(self.project_root)
         # custom configuration options
diff --git a/tests/test_config/test_json/.djlint-cust b/tests/test_config/test_json/.djlint-cust
new file mode 100644
index 0000000..dc7de92
--- /dev/null
+++ b/tests/test_config/test_json/.djlint-cust
@@ -0,0 +1,5 @@
+{
+    "profile": "django",
+    "indent": 3,
+    "custom_blocks": "toc,example"
+}
diff --git a/tests/test_config/test_json/test_config.py b/tests/test_config/test_json/test_config.py
index 7081bde..f45397a 100644
--- a/tests/test_config/test_json/test_config.py
+++ b/tests/test_config/test_json/test_config.py
@@ -5,7 +5,7 @@ run::
    pytest tests/test_config/test_json/test_config.py --cov=src/djlint --cov-branch \
           --cov-report xml:coverage.xml --cov-report term-missing
 
-   pytest tests/test_config/test_json/test_config.py::test_config
+   pytest tests/test_config/test_json/test_config.py::test_custom_config
 
 """
 # pylint: disable=C0116
@@ -29,3 +29,26 @@ def test_config(runner: CliRunner) -> None:
         in result.output
     )
     assert result.exit_code == 1
+
+
+def test_custom_config(runner: CliRunner) -> None:
+    result = runner.invoke(
+        djlint,
+        [
+            "tests/test_config/test_json/html.html",
+            "--check",
+            "--configuration",
+            "tests/test_config/test_json/.djlint-cust",
+        ],
+    )
+
+    assert (
+        """-{% example stuff %}<p>this is a long paragraph</p>{% endexample %}
++{% example stuff %}
++   <p>this is a long paragraph</p>
++{% endexample %}
+"""
+        in result.output
+    )
+
+    assert result.exit_code == 1