From 140f13a24a7022e000b873dc4e899a323e580b90 Mon Sep 17 00:00:00 2001
From: alwin <alwin.schuster@chello.at>
Date: Tue, 8 Mar 2022 15:33:34 +0100
Subject: [PATCH] Add debug mode

---
 README.md          | 17 +++++++++++++++++
 graphviz_py/cli.py |  7 ++++++-
 pyproject.toml     |  4 ++--
 3 files changed, 25 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 3e2a241..7ff56ce 100644
--- a/README.md
+++ b/README.md
@@ -69,3 +69,20 @@ Please keep in mind that graphviz-py executes all Python code in the diagram. So
 
 ## Coming soon
 - Compartibility with asciidoctor-diagram ([Status: Implemented & Approved, waiting for merging](https://github.com/asciidoctor/asciidoctor-diagram/pull/379))
+
+## Arguments
+```bash
+# graphviz-py --help
+usage: graphviz-py [-h] [-v] [-d] [-a ARGUMENT] [files [files ...]]
+
+graphviz-py diagram builder
+
+positional arguments:
+  files                 the paths to the graphviz-py files
+
+optional arguments:
+  -h, --help            show this help message and exit
+  -v, --version         show program's version number and exit
+  -d, --debug           show debug information
+  -a ARGUMENT, --argument ARGUMENT
+```
diff --git a/graphviz_py/cli.py b/graphviz_py/cli.py
index a4895e5..80c71f5 100644
--- a/graphviz_py/cli.py
+++ b/graphviz_py/cli.py
@@ -1,5 +1,6 @@
 import sys
 import argparse
+import logging
 from pathlib import Path
 
 from graphviz_py.graphviz import execute_graphviz
@@ -8,8 +9,9 @@
 
 parser = argparse.ArgumentParser(description='graphviz-py diagram builder')
 parser.add_argument('-v', '--version', action='version', version=f'{Project.name()} version: {Project.version()}')
+parser.add_argument('-d', '--debug', action='store_true', help='show debug information')
 parser.add_argument('-a', '--argument', action='append')
-parser.add_argument('files', type=Path, nargs=argparse.ZERO_OR_MORE, help='an integer for the accumulator')
+parser.add_argument('files', type=Path, nargs=argparse.ZERO_OR_MORE, help='the paths to the graphviz-py files')
 
 args, unknown = parser.parse_known_args()
 
@@ -17,6 +19,9 @@
 def main(_=None):
     """Process command line arguments."""
 
+    if args.debug:
+        logging.getLogger().setLevel(logging.DEBUG)
+
     file_contents = []
     arguments = []
 
diff --git a/pyproject.toml b/pyproject.toml
index 4e3187b..77aee0b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "graphviz-py"
-version = "1.0.3"
+version = "1.0.4"
 description = "Allows Python code execution inside of graphviz diagrams."
 authors = ["Alwin Schuster <contact@alwinschuster.at>"]
 license = 'MPL-2.0'
@@ -11,7 +11,7 @@ readme = "README.md"
 keywords = ["graphviz", "dot", "python", "graphviz-python", "gv"]
 
 [tool.poetry.dependencies]
-python = ">=3.7.0"
+python = ">=3.8.0"
 
 [tool.poetry.scripts]
 graphviz-py = "graphviz_py.cli:main"