cdryzun/tg_bot_collections
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fix: create tempfile in the outer scope

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Signed-off-by: Frost Ming <me@frostming.com>
This commit is contained in:
Frost Ming 2023-12-12 14:33:50 +08:00
parent 23484f5b7c
commit 82b209fb22
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GPG Key ID: 5BFA9CB4DDA943BF
1 changed files with 15 additions and 16 deletions
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31
hy_tg.py
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@ -58,10 +58,9 @@ def sizeof_image(image):
return f.tell()
def compress_image(input_image, target_size):
def compress_image(input_image, output_image, target_size):
quality = 95
factor = 1.0
output = SpooledTemporaryFile(max_size=MAX_IN_MEMORY)
with Image.open(input_image) as img:
while sizeof_image(img) > target_size:
factor -= 0.05
@ -70,20 +69,20 @@ def compress_image(input_image, target_size):
(int(width * factor), int(height * factor)),
PIL.Image.Resampling.LANCZOS,
)
img.save(output, format="JPEG", quality=quality)
output.seek(0)
return output
img.save(output_image, format="JPEG", quality=quality)
output_image.seek(0)
def draw_pretty_map(location, style):
def draw_pretty_map(location, style, output_file):
aoi = get_aoi(address=location, radius=1100, rectangular=True)
df = get_osm_geometries(aoi=aoi)
fig = Plot(df=df, aoi_bounds=aoi.bounds, draw_settings=STYLES[style]).plot_all()
with SpooledTemporaryFile(max_size=MAX_IN_MEMORY) as buffer:
fig.savefig(buffer, format="jpeg")
buffer.seek(0)
return compress_image(
compress_image(
buffer,
output_file,
10 * 1024 * 1024, # telegram tog need png less than 10MB
)
@ -151,15 +150,15 @@ def main():
style = random.choice(styles_list)
try:
# TODO why this memory leak?
out_image = draw_pretty_map(location, style)
# tg can only send image less than 10MB
with open("map_out.jpg", "wb") as f:
shutil.copyfileobj(out_image, f)
out_image.seek(0)
bot.send_photo(
message.chat.id, out_image, reply_to_message_id=message.message_id
)
out_image.close()
with SpooledTemporaryFile(max_size=MAX_IN_MEMORY) as out_image:
draw_pretty_map(location, style, out_image)
# tg can only send image less than 10MB
with open("map_out.jpg", "wb") as f: # for debug
shutil.copyfileobj(out_image, f)
out_image.seek(0)
bot.send_photo(
message.chat.id, out_image, reply_to_message_id=message.message_id
)
except Exception:
traceback.print_exc()