added option for stdin. closes #13

README.md

@@ -29,6 +29,9 @@ djlint /path/file.html.j2 --check
 # to reformt a directory without printing the file diff
 djlint /path --reformat --quiet
 
+# using stdin
+echo "<div></div>" | djlint -
+
 ```
 
 ## Show your format

docs/conf.py

@@ -12,7 +12,7 @@
 project = "djlint"
 copyright = "2021, Riverside Healthcare"
 author = "Christopher Pickering"
-release = "0.3.7"
+release = "0.3.8"
 version = release
 
 # -- General configuration ---------------------------------------------------

docs/djlint/changelog.rst

@@ -1,6 +1,10 @@
 Changelog
 =========
 
+0.3.8
+-----
+- Added support for stdin
+
 0.3.7
 -----
 - Fixed formatting on ``small``, ``dt``, and ``dd`` tags

docs/djlint/usage.rst

@@ -37,6 +37,15 @@ To format code run:
 
     djlint . --reformat
 
+Stdin vs Path
+-------------
+
+djLint also works with stdin.
+
+.. code:: sh
+
+    echo "<div></div>" | djlint -
+
 CLI Args
 --------
 

pyproject.toml

@@ -7,7 +7,7 @@ build-backend = "poetry.core.masonry.api"
 
 [tool.poetry]
 name="djlint"
-version="0.3.7"
+version="0.3.8"
 description="HTML Template Linter and Formatter"
 license="GPL-3.0-or-later"
 authors=["Christopher Pickering <cpickering@rhc.net>"]
@@ -61,4 +61,4 @@ quiet = true
 
 
 [tool.pylint.messages_control]
-disable = "E1120, R0914, E0401, R0912, R0916, R0913, W0104, R0801, W1404, R0902, R0903"
+disable = "E1120, R0914, E0401, R0912, R0916, R0913, W0104, R0801, W1404, R0902, R0903, R1732, R0915"

src/djlint/__init__.py

@@ -18,6 +18,7 @@ import os
 import re
 import shutil
 import sys
+import tempfile
 from concurrent.futures import ProcessPoolExecutor, as_completed
 from functools import partial
 from pathlib import Path
@@ -187,7 +188,20 @@ def main(
     """Djlint django template files."""
     config = Config(src, extension=extension, ignore=ignore, quiet=quiet)
 
-    file_list = get_src(Path(src), config)
+    temp_file = None
+
+    if src == "-":
+        stdin_stream = click.get_text_stream("stdin")
+        stdin_text = stdin_stream.read()
+
+        temp_file = tempfile.NamedTemporaryFile()
+        temp_file.write(str.encode(stdin_text))
+        temp_file.seek(0)
+
+        file_list = get_src(Path(temp_file.name), config)
+
+    else:
+        file_list = get_src(Path(src), config)
 
     if len(file_list) == 0:
         return
@@ -311,6 +325,9 @@ def main(
 
     echo(f"\n{success_color}{success_message}{Style.RESET_ALL}\n")
 
+    if temp_file:
+        temp_file.close()
+
     if bool(error_count):
         sys.exit(1)
 

tests/test_djlint.py

@@ -85,6 +85,11 @@ def test_empty_file(runner: CliRunner, tmp_file: TextIO) -> None:
     assert result.exit_code == 0
 
 
+def test_stdin(runner: CliRunner) -> None:
+    result = runner.invoke(djlint, ["-"], input="<div></div>")
+    assert result.exit_code == 0
+
+
 def test_check(runner: CliRunner, tmp_file: TextIO) -> None:
     write_to_file(tmp_file.name, b"<div></div>")
     result = runner.invoke(djlint, [tmp_file.name, "--check"])