Use yaml instead of json for the config file

build.bat

@@ -15,6 +15,7 @@ mkdir dist\win\stable-diffusion-ui\scripts
 
 copy scripts\on_env_start.bat dist\win\stable-diffusion-ui\scripts\
 copy scripts\bootstrap.bat dist\win\stable-diffusion-ui\scripts\
+copy scripts\config.yaml.sample dist\win\stable-diffusion-ui\scripts\config.yaml
 copy "scripts\Start Stable Diffusion UI.cmd" dist\win\stable-diffusion-ui\
 copy LICENSE dist\win\stable-diffusion-ui\
 copy "CreativeML Open RAIL-M License" dist\win\stable-diffusion-ui\

build.sh

@@ -29,6 +29,7 @@ mkdir -p dist/linux-mac/stable-diffusion-ui/scripts
 cp scripts/on_env_start.sh dist/linux-mac/stable-diffusion-ui/scripts/
 cp scripts/bootstrap.sh dist/linux-mac/stable-diffusion-ui/scripts/
 cp scripts/functions.sh dist/linux-mac/stable-diffusion-ui/scripts/
+cp scripts/config.yaml.sample dist/linux-mac/stable-diffusion-ui/scripts/config.yaml
 cp scripts/start.sh dist/linux-mac/stable-diffusion-ui/
 cp LICENSE dist/linux-mac/stable-diffusion-ui/
 cp "CreativeML Open RAIL-M License" dist/linux-mac/stable-diffusion-ui/

scripts/config.yaml.sample

@@ -0,0 +1,24 @@
+# Change listen_port if port 9000 is already in use on your system
+# Set listen_to_network to true to make Easy Diffusion accessibble on your local network
+net:
+  listen_port: 9000
+  listen_to_network: false
+
+# Multi GPU setup
+render_devices: auto
+
+# Set open_browser_on_start to false to disable opening a new browser tab on each restart
+ui:
+  open_browser_on_start: true
+
+# set update_branch to main to use the stable version, or to beta to use the experimental
+# beta version.
+update_branch: main
+
+# Set force_save_path to enforce an auto save path. Clients will not be able to change or
+# disable auto save when this option is set. Please adapt the path in the examples to your
+# needs.
+# Windows:
+# force_save_path: C:\\Easy Diffusion Images\\
+# Linux:
+# force_save_path: /data/easy-diffusion-images/

scripts/on_sd_start.bat

@@ -135,6 +135,23 @@ if "%ERRORLEVEL%" EQU "0" (
     )
 )
 
+@rem install ruamel.yaml
+call python ..\scripts\check_modules.py ruamel.yaml
+if "%ERRORLEVEL%" EQU "0" (
+    echo "ruamel.yaml has already been installed."
+) else (
+    echo "Installing ruamel.yaml.."
+
+    set PYTHONNOUSERSITE=1
+    set PYTHONPATH=%INSTALL_ENV_DIR%\lib\site-packages
+
+    call python -m pip install ruamel.yaml==0.17.21 || (
+        echo "Error installing ruamel.yaml. Sorry about that, please try to:" & echo "  1. Run this installer again." & echo "  2. If that doesn't fix it, please try the common troubleshooting steps at https://github.com/cmdr2/stable-diffusion-ui/wiki/Troubleshooting" & echo "  3. If those steps don't help, please copy *all* the error messages in this window, and ask the community at https://discord.com/invite/u9yhsFmEkB" & echo "  4. If that doesn't solve the problem, please file an issue at https://github.com/cmdr2/stable-diffusion-ui/issues" & echo "Thanks!"
+        pause
+        exit /b
+    )
+)
+
 set PATH=C:\Windows\System32;%PATH%
 
 call python ..\scripts\check_modules.py uvicorn fastapi

ui/easydiffusion/app.py

@@ -5,6 +5,9 @@ import json
 import traceback
 import logging
 import shlex
+from ruamel.yaml import YAML
+yaml = YAML()
+
 from rich.logging import RichHandler
 
 from sdkit.utils import log as sdkit_log # hack, so we can overwrite the log config
@@ -54,13 +57,12 @@ def init():
     update_render_threads()
 
 def getConfig(default_val=APP_CONFIG_DEFAULTS):
+    config_yaml_path = os.path.join(CONFIG_DIR, 'config.yaml')
+    if os.path.isfile(config_yaml_path):
         try:
-        config_json_path = os.path.join(CONFIG_DIR, 'config.json')
-        if not os.path.exists(config_json_path):
-            config = default_val
-        else:
-            with open(config_json_path, 'r', encoding='utf-8') as f:
-                config = json.load(f)
+            log.info('Loading config.yaml')
+            with open(config_yaml_path, 'r', encoding='utf-8') as f:
+                config = yaml.load(f)
             if 'net' not in config:
                 config['net'] = {}
                 if os.getenv('SD_UI_BIND_PORT') is not None:
@@ -75,12 +77,30 @@ def getConfig(default_val=APP_CONFIG_DEFAULTS):
         except Exception as e:
             log.warn(traceback.format_exc())
             return default_val
+    else:
+        try:
+            config_json_path = os.path.join(CONFIG_DIR, 'config.json')
+            if not os.path.exists(config_json_path):
+                return default_val
+            else:
+                log.info('Converting old json config file to yaml')
+                with open(config_json_path, 'r', encoding='utf-8') as f:
+                    config = json.load(f)
+                # Save config in new format
+                setConfig(config)
+                os.rename(config_json_path, config_json_path + '.bak')
+                log.info('Saved old config.json as config.json.bak')
+                return getConfig(default_val)
+        except Exception as e:
+            log.warn(traceback.format_exc())
+            return default_val
 
 def setConfig(config):
-    try: # config.json
-        config_json_path = os.path.join(CONFIG_DIR, 'config.json')
-        with open(config_json_path, 'w', encoding='utf-8') as f:
-            json.dump(config, f)
+    try: # config.yaml
+        config_yaml_path = os.path.join(CONFIG_DIR, 'config.yaml')
+        yaml.indent(mapping=2, sequence=4, offset=2)
+        with open(config_yaml_path, 'w', encoding='utf-8') as f:
+            yaml.dump(config, f)
     except:
         log.error(traceback.format_exc())