Merge pull request #77 from cmdr2/develop

Linux script bug fixes

scripts/on_sd_start.sh

@@ -25,20 +25,31 @@ cd stable-diffusion
 
 if [ `grep -c conda_sd_env_created ../scripts/install_status.txt` -gt "0" ]; then
     echo "Packages necessary for Stable Diffusion were already installed"
+
+    conda activate ./env
 else
     printf "\n\nDownloading packages necessary for Stable Diffusion..\n"
     printf "\n\n***** This will take some time (depending on the speed of the Internet connection) and may appear to be stuck, but please be patient ***** ..\n\n"
 
     if conda env create --prefix env --force -f environment.yaml ; then
-        echo conda_sd_env_created >> ../scripts/install_status.txt
+        echo "Installed. Testing.."
     else
         printf "\n\nError installing the packages necessary for Stable Diffusion. Please try re-running this installer. If it doesn't work, please copy the messages in this window, and ask the community at https://discord.com/invite/u9yhsFmEkB or file an issue at https://github.com/cmdr2/stable-diffusion-ui/issues\n\n"
         read -p "Press any key to continue"
         exit
     fi
-fi
 
-conda activate ./env
+    conda activate ./env
+
+    out_test=`python -c "import torch; import ldm; import transformers; import numpy; print(42)"`
+    if [ "$out_test" != "42" ]; then
+        printf "\n\nDependency test failed! Error installing the packages necessary for Stable Diffusion. Please try re-running this installer. If it doesn't work, please copy the messages in this window, and ask the community at https://discord.com/invite/u9yhsFmEkB or file an issue at https://github.com/cmdr2/stable-diffusion-ui/issues\n\n"
+        read -p "Press any key to continue"
+        exit
+    fi
+
+    echo conda_sd_env_created >> ../scripts/install_status.txt
+fi
 
 if [ `grep -c conda_sd_ui_deps_installed ../scripts/install_status.txt` -gt "0" ]; then
     echo "Packages necessary for Stable Diffusion UI were already installed"
@@ -46,22 +57,47 @@ else
     printf "\n\nDownloading packages necessary for Stable Diffusion UI..\n\n"
 
     if conda install -c conda-forge --prefix ./env -y uvicorn fastapi ; then
-        echo conda_sd_ui_deps_installed >> ../scripts/install_status.txt
+        echo "Installed. Testing.."
     else
         printf "\n\nError installing the packages necessary for Stable Diffusion UI. Please try re-running this installer. If it doesn't work, please copy the messages in this window, and ask the community at https://discord.com/invite/u9yhsFmEkB or file an issue at https://github.com/cmdr2/stable-diffusion-ui/issues\n\n"
         read -p "Press any key to continue"
         exit
     fi
+
+    if ! command -v uvicorn &> /dev/null; then
+        printf "\n\nUI packages not found! Error installing the packages necessary for Stable Diffusion UI. Please try re-running this installer. If it doesn't work, please copy the messages in this window, and ask the community at https://discord.com/invite/u9yhsFmEkB or file an issue at https://github.com/cmdr2/stable-diffusion-ui/issues\n\n"
+        read -p "Press any key to continue"
+        exit
+    fi
+
+    echo conda_sd_ui_deps_installed >> ../scripts/install_status.txt
 fi
 
 if [ -f "sd-v1-4.ckpt" ]; then
+    model_size=`ls -l sd-v1-4.ckpt | awk '{print $5}'`
+
+    if [ "$model_size" -gt "4000000000" ]; then
         echo "Data files (weights) necessary for Stable Diffusion were already downloaded"
-else
+    else
+        printf "\n\nThe model file present at $PWD/sd-v1-4.ckpt is invalid. It is only $model_size bytes in size. Re-downloading.."
+        rm sd-v1-4.ckpt
+    fi
+fi
+
+if [ ! -f "sd-v1-4.ckpt" ]; then
     echo "Downloading data files (weights) for Stable Diffusion.."
 
-    curl -L https://me.cmdr2.org/stable-diffusion-ui/sd-v1-4.ckpt > sd-v1-4.ckpt
+    curl -L -k https://me.cmdr2.org/stable-diffusion-ui/sd-v1-4.ckpt > sd-v1-4.ckpt
 
-    if [ ! -f "sd-v1-4.ckpt" ]; then
+    if [ -f "sd-v1-4.ckpt" ]; then
+        model_size=`ls -l sd-v1-4.ckpt | awk '{print $5}'`
+        if [ "$model_size" -lt "4000000000" ]; then
+            printf "\n\nError: The downloaded model file was invalid! Bytes downloaded: $model_size\n\n"
+            printf "\n\nError downloading the data files (weights) for Stable Diffusion. Please try re-running this installer. If it doesn't work, please copy the messages in this window, and ask the community at https://discord.com/invite/u9yhsFmEkB or file an issue at https://github.com/cmdr2/stable-diffusion-ui/issues\n\n"
+            read -p "Press any key to continue"
+            exit
+        fi
+    else
         printf "\n\nError downloading the data files (weights) for Stable Diffusion. Please try re-running this installer. If it doesn't work, please copy the messages in this window, and ask the community at https://discord.com/invite/u9yhsFmEkB or file an issue at https://github.com/cmdr2/stable-diffusion-ui/issues\n\n"
         read -p "Press any key to continue"
         exit
@@ -74,9 +110,7 @@ fi
 printf "\n\nStable Diffusion is ready!\n\n"
 
 cd ..
-
 export SD_UI_PATH=`pwd`/ui
-
 cd stable-diffusion
 
 uvicorn server:app --app-dir "$SD_UI_PATH" --port 9000 --host 0.0.0.0