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fix bug font missing (this fix needed to run on colab) #453

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fix bug font missing (this fix needed to run on colab) #453

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8 changes: 6 additions & 2 deletions ldm/util.py
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Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
import importlib
import os

import torch
from torch import optim
Expand All @@ -16,7 +17,10 @@ def log_txt_as_img(wh, xc, size=10):
for bi in range(b):
txt = Image.new("RGB", wh, color="white")
draw = ImageDraw.Draw(txt)
font = ImageFont.truetype('font/DejaVuSans.ttf', size=size)
if os.path.isfile('font/DejaVuSans.ttf'):
font = ImageFont.truetype('font/DejaVuSans.ttf', size=size)
else:
font = ImageFont.load_default()
nc = int(40 * (wh[0] / 256))
lines = "\n".join(xc[bi][start:start + nc] for start in range(0, len(xc[bi]), nc))

Expand Down Expand Up @@ -194,4 +198,4 @@ def step(self, closure=None):
for param, ema_param in zip(params_with_grad, ema_params_with_grad):
ema_param.mul_(cur_ema_decay).add_(param.float(), alpha=1 - cur_ema_decay)

return loss
return loss