add automatic backwards version compatibility

3 files changed, 39 insertions, 1 deletions

diff --git a/modules/infotext.py b/modules/infotext.py
index bcbeb0fd..7f30446b 100644
--- a/modules/infotext.py
+++ b/modules/infotext.py
@@ -8,7 +8,7 @@ import sys
 

 import gradio as gr

 from modules.paths import data_path

-from modules import shared, ui_tempdir, script_callbacks, processing

+from modules import shared, ui_tempdir, script_callbacks, processing, infotext_versions, errors

 from PIL import Image

 

 sys.modules['modules.generation_parameters_copypaste'] = sys.modules[__name__]  # alias for old name

@@ -342,6 +342,8 @@ Steps: 20, Sampler: Euler a, CFG scale: 7, Seed: 965400086, Size: 512x512, Model
     if "Cache FP16 weight for LoRA" not in res and res["FP8 weight"] != "Disable":

         res["Cache FP16 weight for LoRA"] = False

 

+    infotext_versions.backcompat(res)

+

     skip = set(shared.opts.infotext_skip_pasting)

     res = {k: v for k, v in res.items() if k not in skip}

 

diff --git a/modules/infotext_versions.py b/modules/infotext_versions.py
new file mode 100644
index 00000000..01e885a2
--- /dev/null
+++ b/modules/infotext_versions.py
@@ -0,0 +1,35 @@
+from modules import shared

+from packaging import version

+import re

+

+

+v160 = version.parse("1.6.0")

+

+

+def parse_version(text):

+    if text is None:

+        return None

+

+    m = re.match(r'([^-]+-[^-]+)-.*', text)

+    if m:

+        text = m.group(1)

+

+    try:

+        return version.parse(text)

+    except Exception as e:

+        return None

+

+

+def backcompat(d):

+    """Checks infotext Version field, and enables backwards compatibility options according to it."""

+

+    if not shared.opts.auto_backcompat:

+        return

+

+    ver = parse_version(d.get("Version"))

+    if ver is None:

+        return

+

+    if ver < v160:

+        d["Old prompt editing timelines"] = True

+

diff --git a/modules/shared_options.py b/modules/shared_options.py
index 752a4f12..281591da 100644
--- a/modules/shared_options.py
+++ b/modules/shared_options.py
@@ -212,6 +212,7 @@ options_templates.update(options_section(('optimizations', "Optimizations", "sd"
 }))

 

 options_templates.update(options_section(('compatibility', "Compatibility", "sd"), {

+    "auto_backcompat": OptionInfo(True, "Automatic backward compatibility").info("automatically enable options for backwards compatibility when importing generation parameters from infotext that has program version."),

     "use_old_emphasis_implementation": OptionInfo(False, "Use old emphasis implementation. Can be useful to reproduce old seeds."),

     "use_old_karras_scheduler_sigmas": OptionInfo(False, "Use old karras scheduler sigmas (0.1 to 10)."),

     "no_dpmpp_sde_batch_determinism": OptionInfo(False, "Do not make DPM++ SDE deterministic across different batch sizes."),