Consolidate version numbers (#2201)

* update version number

* print version number at startup

* move version number into ldm/invoke/_version.py

* bump version to 2.2.6+a0

* handle whitespace better

* resolve issues raised by mauwii during PR review

installer/create_installer.sh

@@ -2,24 +2,23 @@
 
 cd "$(dirname "$0")"
 
-VERSION=$(grep ^VERSION ../setup.py | awk '{ print $3 }' | sed "s/'//g" )
+VERSION=$(cd ..; python -c "from ldm.invoke import __version__ as version; print(version)")
 PATCH=""
 VERSION="v${VERSION}${PATCH}"
 
+echo Building installer for version $VERSION
 echo "Be certain that you're in the 'installer' directory before continuing."
 read -p "Press any key to continue, or CTRL-C to exit..."
 
 read -e -p "Commit and tag this repo with ${VERSION} and 'latest'? [n]: " input
 RESPONSE=${input:='n'}
 if [ "$RESPONSE" == 'y' ]; then
-
     git commit -a
 
     if ! git tag $VERSION ; then
-	echo "Existing/invalid tag"
-	exit -1
+	    echo "Existing/invalid tag"
+	    exit -1
     fi
-
     git push origin :refs/tags/latest
     git tag -fa latest
 fi

ldm/invoke/__init__.py

@@ -1,3 +1,4 @@
+from ._version import __version__
+
 __app_id__= 'invoke-ai/InvokeAI'
-__app_name__= 'InvokeAI'
-__version__='2.2.5'
+__app_name__= 'InvokeAI'

ldm/invoke/_version.py

@@ -0,0 +1 @@
+__version__='2.2.6+a0'

setup.py

@@ -1,3 +1,4 @@
+import sys
 import os
 import re
 from setuptools import setup, find_packages
@@ -9,7 +10,12 @@ def list_files(directory):
         listing.append(pair)
     return listing
 
-VERSION = '2.2.5'
+def get_version()->str:
+    from ldm.invoke import __version__ as version
+    return version
+
+# The canonical version number is stored in the file ldm/invoke/_version.py
+VERSION = get_version()
 DESCRIPTION = ('An implementation of Stable Diffusion which provides various new features'
                ' and options to aid the image generation process')
 LONG_DESCRIPTION = ('This version of Stable Diffusion features a slick WebGUI, an'