Fix issue with spaces in python path

kohya_gui/basic_caption_gui.py

@@ -38,7 +38,7 @@ def caption_images(
         log.info(f'Captioning files in {images_dir} with {caption_text}...')
 
         # Build the command to run caption.py
-        run_cmd = fr'{PYTHON} "{scriptdir}/tools/caption.py"'
+        run_cmd = fr'"{PYTHON}" "{scriptdir}/tools/caption.py"'
         run_cmd += f' --caption_text="{caption_text}"'
 
         # Add optional flags to the command

kohya_gui/blip_caption_gui.py

@@ -37,7 +37,7 @@ def caption_images(
     log.info(f"Captioning files in {train_data_dir}...")
 
     # Construct the command to run
-    run_cmd = rf'{PYTHON} "{scriptdir}/sd-scripts/finetune/make_captions.py"'
+    run_cmd = rf'"{PYTHON}" "{scriptdir}/sd-scripts/finetune/make_captions.py"'
     run_cmd += f' --batch_size="{int(batch_size)}"'
     run_cmd += f' --num_beams="{int(num_beams)}"'
     run_cmd += f' --top_p="{top_p}"'

kohya_gui/convert_lcm_gui.py

@@ -28,7 +28,7 @@ def convert_lcm(
     lora_scale,
     model_type
 ):
-    run_cmd = fr'{PYTHON} "{scriptdir}/tools/lcm_convert.py"'
+    run_cmd = fr'"{PYTHON}" "{scriptdir}/tools/lcm_convert.py"'
 
     # Check if source model exist
     if not os.path.isfile(model_path):

kohya_gui/convert_model_gui.py

@@ -49,7 +49,7 @@ def convert_model(
         msgbox('The provided target folder does not exist')
         return
 
-    run_cmd = fr'{PYTHON} "{scriptdir}/sd-scripts/tools/convert_diffusers20_original_sd.py"'
+    run_cmd = fr'"{PYTHON}" "{scriptdir}/sd-scripts/tools/convert_diffusers20_original_sd.py"'
 
     v1_models = [
         'runwayml/stable-diffusion-v1-5',

kohya_gui/extract_lora_from_dylora_gui.py

@@ -51,7 +51,7 @@ def extract_dylora(
         save_to = f"{path}_tmp{ext}"
 
     run_cmd = (
-        fr'{PYTHON} "{scriptdir}/sd-scripts/networks/extract_lora_from_dylora.py"'
+        fr'"{PYTHON}" "{scriptdir}/sd-scripts/networks/extract_lora_from_dylora.py"'
     )
     run_cmd += fr' --save_to "{save_to}"'
     run_cmd += fr' --model "{model}"'

kohya_gui/extract_lora_gui.py

@@ -74,7 +74,7 @@ def extract_lora(
         return
 
     run_cmd = (
-        fr'{PYTHON} "{scriptdir}/sd-scripts/networks/extract_lora_from_models.py"'
+        fr'"{PYTHON}" "{scriptdir}/sd-scripts/networks/extract_lora_from_models.py"'
     )
     run_cmd += f' --load_precision {load_precision}'
     run_cmd += f' --save_precision {save_precision}'

kohya_gui/extract_lycoris_locon_gui.py

@@ -74,7 +74,7 @@ def extract_lycoris_locon(
         path, ext = os.path.splitext(output_name)
         output_name = f"{path}_tmp{ext}"
 
-    run_cmd = fr'{PYTHON} "{scriptdir}/sd-scripts/tools/lycoris_locon_extract.py"'
+    run_cmd = fr'"{PYTHON}" "{scriptdir}/sd-scripts/tools/lycoris_locon_extract.py"'
     if is_sdxl:
         run_cmd += f" --is_sdxl"
     if is_v2:

kohya_gui/finetune_gui.py

@@ -453,7 +453,7 @@ def train_model(
 
     # create caption json file
     if generate_caption_database:
-        run_cmd = fr'{PYTHON} "{scriptdir}/sd-scripts/finetune/merge_captions_to_metadata.py"'
+        run_cmd = fr'"{PYTHON}" "{scriptdir}/sd-scripts/finetune/merge_captions_to_metadata.py"'
         if caption_extension == "":
             run_cmd += f' --caption_extension=".caption"'
         else:
@@ -474,7 +474,7 @@ def train_model(
 
     # create images buckets
     if generate_image_buckets:
-        run_cmd = fr'{PYTHON} "{scriptdir}/sd-scripts/finetune/prepare_buckets_latents.py"'
+        run_cmd = fr'"{PYTHON}" "{scriptdir}/sd-scripts/finetune/prepare_buckets_latents.py"'
         run_cmd += fr' "{image_folder}"'
         run_cmd += fr' "{train_dir}/{caption_metadata_filename}"'
         run_cmd += fr' "{train_dir}/{latent_metadata_filename}"'

kohya_gui/git_caption_gui.py

@@ -33,7 +33,7 @@ def caption_images(
         return
 
     log.info(f'GIT captioning files in {train_data_dir}...')
-    run_cmd = fr'{PYTHON} "{scriptdir}/sd-scripts/finetune/make_captions_by_git.py"'
+    run_cmd = fr'"{PYTHON}" "{scriptdir}/sd-scripts/finetune/make_captions_by_git.py"'
     if not model_id == '':
         run_cmd += f' --model_id="{model_id}"'
     run_cmd += f' --batch_size="{int(batch_size)}"'

kohya_gui/group_images_gui.py

@@ -32,7 +32,7 @@ def group_images(
 
     log.info(f'Grouping images in {input_folder}...')
 
-    run_cmd = fr'{PYTHON} "{scriptdir}/tools/group_images.py"'
+    run_cmd = fr'"{PYTHON}" "{scriptdir}/tools/group_images.py"'
     run_cmd += f' "{input_folder}"'
     run_cmd += f' "{output_folder}"'
     run_cmd += f' {(group_size)}'

kohya_gui/merge_lora_gui.py

@@ -385,10 +385,10 @@ class GradioMergeLoRaTab:
                 return
 
         if not sdxl_model:
-            run_cmd = fr'{PYTHON} "{scriptdir}/sd-scripts/networks/merge_lora.py"'
+            run_cmd = fr'"{PYTHON}" "{scriptdir}/sd-scripts/networks/merge_lora.py"'
         else:
             run_cmd = (
-                fr'{PYTHON} "{scriptdir}/sd-scripts/networks/sdxl_merge_lora.py"'
+                fr'"{PYTHON}" "{scriptdir}/sd-scripts/networks/sdxl_merge_lora.py"'
             )
         if sd_model:
             run_cmd += fr' --sd_model "{sd_model}"'

kohya_gui/merge_lycoris_gui.py

@@ -36,7 +36,7 @@ def merge_lycoris(
 ):
     log.info('Merge model...')
 
-    run_cmd = fr'{PYTHON} "{scriptdir}/tools/merge_lycoris.py"'
+    run_cmd = fr'"{PYTHON}" "{scriptdir}/tools/merge_lycoris.py"'
     run_cmd += fr' "{base_model}"'
     run_cmd += fr' "{lycoris_model}"'
     run_cmd += fr' "{output_name}"'

kohya_gui/resize_lora_gui.py

@@ -59,7 +59,7 @@ def resize_lora(
     if device == '':
         device = 'cuda'
 
-    run_cmd = fr'{PYTHON} "{scriptdir}/sd-scripts/networks/resize_lora.py"'
+    run_cmd = fr'"{PYTHON}" "{scriptdir}/sd-scripts/networks/resize_lora.py"'
     run_cmd += f' --save_precision {save_precision}'
     run_cmd += fr' --save_to "{save_to}"'
     run_cmd += fr' --model "{model}"'

kohya_gui/svd_merge_lora_gui.py

@@ -53,7 +53,7 @@ def svd_merge_lora(
         ratio_c /= total_ratio
         ratio_d /= total_ratio
 
-    run_cmd = fr'{PYTHON} "{scriptdir}/sd-scripts/networks/svd_merge_lora.py"'
+    run_cmd = fr'"{PYTHON}" "{scriptdir}/sd-scripts/networks/svd_merge_lora.py"'
     run_cmd += f' --save_precision {save_precision}'
     run_cmd += f' --precision {precision}'
     run_cmd += fr' --save_to "{save_to}"'

kohya_gui/verify_lora_gui.py

@@ -38,7 +38,7 @@ def verify_lora(
         msgbox('The provided model A is not a file')
         return
 
-    run_cmd = fr'{PYTHON} "{scriptdir}/sd-scripts/networks/check_lora_weights.py" "{lora_model}"'
+    run_cmd = fr'"{PYTHON}" "{scriptdir}/sd-scripts/networks/check_lora_weights.py" "{lora_model}"'
     
     log.info(run_cmd)
 

setup/setup_common.py

@@ -423,36 +423,58 @@ def pip(arg: str, ignore: bool = False, quiet: bool = False, show_stdout: bool =
         return txt
 
 
+import re
+import pkg_resources
+import logging
+
+log = logging.getLogger(__name__)
+
 def installed(package, friendly: str = None):
-    #
-    # This function was adapted from code written by vladimandic: https://github.com/vladmandic/automatic/commits/master
-    #
+    """
+    Checks if the specified package(s) are installed with the correct version.
+    This function can handle package specifications with or without version constraints,
+    and can also filter out command-line options and URLs when a 'friendly' string is provided.
     
-    # Remove brackets and their contents from the line using regular expressions
-    # e.g., diffusers[torch]==0.10.2 becomes diffusers==0.10.2
+    Parameters:
+    - package: A string that specifies one or more packages with optional version constraints.
+    - friendly: An optional string used to provide a cleaner version of the package string
+                that excludes command-line options and URLs.
+
+    Returns:
+    - True if all specified packages are installed with the correct versions, False otherwise.
+    
+    Note:
+    This function was adapted from code written by vladimandic.
+    """
+    
+    # Remove any optional features specified in brackets (e.g., "package[option]==version" becomes "package==version")
     package = re.sub(r'\[.*?\]', '', package)
 
     try:
         if friendly:
+            # If a 'friendly' version of the package string is provided, split it into components
             pkgs = friendly.split()
             
-            # Exclude command-line options and URLs like "--index-url https://download.pytorch.org/whl/cu118"
+            # Filter out command-line options and URLs from the package specification
             pkgs = [
                 p
                 for p in package.split()
-                if not p.startswith('--') and "://" not in p  # Exclude command-line options and URLs
+                if not p.startswith('--') and "://" not in p
             ]
         else:
+            # Split the package string into components, excluding '-' and '=' prefixed items
             pkgs = [
                 p
                 for p in package.split()
                 if not p.startswith('-') and not p.startswith('=')
             ]
+            # For each package component, extract the package name, excluding any URLs
             pkgs = [
                 p.split('/')[-1] for p in pkgs
-            ]   # get only package name if installing from URL
-        
+            ]
+
         for pkg in pkgs:
+            # Parse the package name and version based on the version specifier used
             if '>=' in pkg:
                 pkg_name, pkg_version = [x.strip() for x in pkg.split('>=')]
             elif '==' in pkg:
@@ -460,35 +482,45 @@ def installed(package, friendly: str = None):
             else:
                 pkg_name, pkg_version = pkg.strip(), None
 
+            # Attempt to find the installed package by its name
             spec = pkg_resources.working_set.by_key.get(pkg_name, None)
             if spec is None:
+                # Try again with lowercase name
                 spec = pkg_resources.working_set.by_key.get(pkg_name.lower(), None)
             if spec is None:
+                # Try replacing underscores with dashes
                 spec = pkg_resources.working_set.by_key.get(pkg_name.replace('_', '-'), None)
 
             if spec is not None:
+                # Package is found, check version
                 version = pkg_resources.get_distribution(pkg_name).version
                 log.debug(f'Package version found: {pkg_name} {version}')
 
                 if pkg_version is not None:
+                    # Verify if the installed version meets the specified constraints
                     if '>=' in pkg:
                         ok = version >= pkg_version
                     else:
                         ok = version == pkg_version
 
                     if not ok:
+                        # Version mismatch, log warning and return False
                         log.warning(f'Package wrong version: {pkg_name} {version} required {pkg_version}')
                         return False
             else:
+                # Package not found, log debug message and return False
                 log.debug(f'Package version not found: {pkg_name}')
                 return False
 
+        # All specified packages are installed with the correct versions
         return True
     except ModuleNotFoundError:
+        # One or more packages are not installed, log debug message and return False
         log.debug(f'Package not installed: {pkgs}')
         return False
 
 
+
 # install package using pip if not already installed
 def install(
     #