1 files changed, 58 insertions, 0 deletions
diff --git a/patternutils/commands/targs.py b/patternutils/commands/targs.py
new file mode 100644
index 0000000..41334ed
--- /dev/null
+++ b/patternutils/commands/targs.py
@@ -0,0 +1,58 @@
+import json
+import multiprocessing
+import shlex
+import subprocess
+
+from typing import (
+    Union,
+    List,
+)
+
+import click
+
+import patternutils
+
+
+@click.command(context_settings={'help_option_names': ('-h', '--help', '-?')})
+@click.option('--read-from', default='-', type=click.File('r'))
+@click.option('-s', '--shell', is_flag=True, default=False,
+              help='run command in a shell')
+@click.option('-t', '--template-engine', default='python', type=click.Choice(['python', 'jinja2']),
+              help='select the template engine to use')
+@click.option('-v', '--verbose', is_flag=True, default=False,
+              help='explain what is being done')
+@click.version_option()
+@click.argument('command')
+def targs(
+    command: str,
+    read_from: click.File,
+    shell: bool,
+    template_engine: str,
+    verbose: bool,
+) -> None:
+
+    try:
+        data = json.load(read_from)
+    except json.JSONDecodeError:
+        click.secho('JSON not valid!', fg='red')
+        raise SystemExit
+
+    use_jinja = True if template_engine == 'jinja2' else False
+    try:
+        render = patternutils.template.get_render_function(command, use_jinja=use_jinja)
+    except RuntimeError:
+        click.secho('jinja2 not installed!', fg='red')
+        raise SystemExit
+
+    for r in data:
+        c = render(**r)
+        if not shell:
+            prepared_command = shlex.split(c)  # type: Union[str, List[str]]
+        else:
+            prepared_command = c
+
+        subprocess.run(prepared_command, shell=shell)
+
+
+if __name__ == '__main__':
+    targs()