piotr/grocy-ql-labeler
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handle data without due date

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This commit is contained in:
Piotr Oleszczyk 2025-06-22 20:10:25 +02:00
parent ec60d1ffcd
commit 172cc678d3
1 changed files with 10 additions and 4 deletions
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14
app.py
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@ -27,7 +27,7 @@ class PrintRequest(BaseModel):
# grocy payload: # grocy payload:
grocycode: str = Field(..., description="Raw GrocyCode") grocycode: str = Field(..., description="Raw GrocyCode")
product: str = Field(..., description="Product name") product: str = Field(..., description="Product name")
due_date: str = Field(None, description="Due date from stock entry") due_date: Optional[str] = Field(None, description="Due date from stock entry")
class Config: class Config:
# ignore any other fields Grocy might send # ignore any other fields Grocy might send
@ -35,7 +35,9 @@ class PrintRequest(BaseModel):
@lru_cache(maxsize=256) @lru_cache(maxsize=256)
def make_code128(grocycode: str, product_name: str, due_date: Optional[str]) -> Image.Image: def make_code128(
grocycode: str, product_name: str, due_date: Optional[str]
) -> Image.Image:
# 1) Instantiate the barcode object (checksum auto-added for Code128) # 1) Instantiate the barcode object (checksum auto-added for Code128)
code = Code128(grocycode, writer=ImageWriter()) code = Code128(grocycode, writer=ImageWriter())
@ -49,7 +51,9 @@ def make_code128(grocycode: str, product_name: str, due_date: Optional[str]) ->
"text_distance": 5.0, # gap between bars and text "text_distance": 5.0, # gap between bars and text
# you can also pass 'format': 'PNG' here if needed # you can also pass 'format': 'PNG' here if needed
}, },
text=" | ".join([product_name, due_date]), # explicitly draw your data string under the bars text=(
" | ".join([product_name, due_date]) if due_date else product_name
), # explicitly draw your data string under the bars
) )
# 3) Convert to 1-bit for your Brother QL workflow # 3) Convert to 1-bit for your Brother QL workflow
@ -128,7 +132,9 @@ async def print_from_grocy(req: PrintRequest):
try: try:
loop = asyncio.get_running_loop() loop = asyncio.get_running_loop()
code_img, dm_img = await asyncio.gather( code_img, dm_img = await asyncio.gather(
loop.run_in_executor(None, make_code128, req.grocycode, req.product, req.due_date), loop.run_in_executor(
None, make_code128, req.grocycode, req.product, req.due_date
),
loop.run_in_executor(None, make_datamatrix, req.grocycode), loop.run_in_executor(None, make_datamatrix, req.grocycode),
) )
label_img = compose_label([code_img, dm_img]) label_img = compose_label([code_img, dm_img])