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Set image model and upscale model via env var #118

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Merged
adhami3310 merged 1 commit into from
Nov 17, 2025
Merged

Set image model and upscale model via env var #118

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21 changes: 17 additions & 4 deletions ai_image_gen/ai_image_gen/backend/generation.py
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
import asyncio
import datetime
import os
from collections.abc import Sequence
from enum import Enum

import reflex as rx
Expand All @@ -11,6 +12,14 @@

DEFAULT_IMAGE = "/default.webp"
API_TOKEN_ENV_VAR = "REPLICATE_API_TOKEN"
MODEL_ENV_VAR = "REPLICATE_MODEL"
UPSCALE_MODEL_ENV_VAR = "REPLICATE_UPSCALE_MODEL"

DEFAULT_MODEL = "google/imagen-4-fast"
# philz1337x /clarity-upscaler:029d48aa
DEFAULT_UPSCALE_MODEL = (
"029d48aa21712d6769d7a46729c1edf0e4d41919c70b270785f10abb82989ba5"
)

CopyLocalState = rx._x.client_state(default=False, var_name="copying")

Expand Down Expand Up @@ -67,7 +76,7 @@ async def generate_image(self):

# Await the output from the replicate API
response = await replicate.predictions.async_create(
"5f24084160c9089501c1b3545d9be3c27883ae2239b6f412990e82d4a6210f8f",
os.environ.get(MODEL_ENV_VAR, DEFAULT_MODEL),
input=input,
)

Expand Down Expand Up @@ -99,8 +108,12 @@ async def generate_image(self):
await asyncio.sleep(0.15)
async with self:
self.upscaled_image = ""
self.output_image = response.output[0]
self.output_list = [] if len(response.output) == 1 else response.output
if isinstance(response.output, str):
self.output_image = response.output
self.output_list = []
elif isinstance(response.output, Sequence):
self.output_image = response.output[0]
self.output_list = list(response.output[1:])
self._reset_state()

except Exception as e:
Expand Down Expand Up @@ -152,7 +165,7 @@ async def upscale_image(self):

# Await the output from the replicate API
response = await replicate.predictions.async_create(
"029d48aa21712d6769d7a46729c1edf0e4d41919c70b270785f10abb82989ba5",
os.environ.get(UPSCALE_MODEL_ENV_VAR, DEFAULT_UPSCALE_MODEL),
input=input,
)

Expand Down