user typer for CLI

pyproject.toml

@@ -16,6 +16,7 @@ dependencies = [
     'pyspellchecker==0.7.2',
     'ruamel.yaml==0.17.35',
     'email-validator==2.0.0.post2',
+    'typer[all]==0.9.0',
 ]
 classifiers = [
     "Intended Audience :: Science/Research",

rendercv/__main__.py

@@ -1,27 +1,61 @@
-import sys
 import os
+import logging
+from typing import Annotated
 
 from .rendering import read_input_file, render_template, run_latex
 
+import typer
+from jinja2 import Environment, PackageLoader
 
-def main(input_file_path=None):
-    if len(sys.argv) < 2:
-        if input_file_path is None:
-            raise ValueError("Please provide the input file path.")
-    elif len(sys.argv) == 2:
-        input_file_path = sys.argv[1]
-    else:
-        if input_file_path is None:
-            raise ValueError(
-                "More than one input is provided. Please provide only one input, which is"
-                " the input file path."
-            )
+logger = logging.getLogger(__name__)
 
-    file_path = os.path.join(os.getcwd(), input_file_path)
+app = typer.Typer(
+    help="RenderCV - A LateX CV generator from YAML",
+    add_completion=False,
+    pretty_exceptions_enable=True,
+    pretty_exceptions_short=True,
+    pretty_exceptions_show_locals=True,
+)
+
+
+@app.command(help="Render a YAML input file")
+def render(
+    input_file: Annotated[
+        str,
+        typer.Argument(help="Name of the YAML input file"),
+    ]
+):
+    try:
+        file_path = os.path.abspath(input_file)
         data = read_input_file(file_path)
         output_latex_file = render_template(data)
         run_latex(output_latex_file)
+    except Exception as e:
+        logger.critical(e)
+        typer.Abort()
 
 
+@app.command(help="Generate a YAML input file to get started")
+def new(name: Annotated[str, typer.Argument(help="Full name")]):
+    try:
+        environment = Environment(
+            loader=PackageLoader("rendercv", os.path.join("templates")),
+            trim_blocks=True,
+            lstrip_blocks=True,
+        )
+        environment.variable_start_string = "<<"
+        environment.variable_end_string = ">>"
+
+        template = environment.get_template(f"new_input.yaml.j2")
+        new_input_file = template.render(name=name)
+
+        name = name.replace(" ", "_")
+        file_name = f"{name}_CV.yaml"
+        with open(file_name, "w", encoding="utf-8") as file:
+            file.write(new_input_file)
+    except Exception as e:
+        logger.critical(e)
+        typer.Abort()
+
 if __name__ == "__main__":
-    main()
+    app()