Add optional unoserver support

.gitignore

@@ -2,3 +2,4 @@
 *.session-journal
 downalods/*
 output/*
+TODO.md

Dockerfile

@@ -1,9 +1,7 @@
 FROM alpine:latest
 RUN apk add --no-cache libreoffice
-RUN apk add font-terminus font-noto font-noto-extra font-arabic-misc font-misc-cyrillic font-mutt-misc font-screen-cyrillic font-winitzki-cyrillic font-cronyx-cyrillic font-noto-arabic font-noto-armenian font-noto-cherokee font-noto-devanagari font-noto-ethiopic font-noto-georgian font-noto-hebrew font-noto-lao font-noto-malayalam font-noto-tamil font-noto-thaana font-noto-thai
-RUN apk add --no-cache --virtual temporary python3-dev py3-pip gcc libc-dev && pip install --break-system-packages pyrogram TgCrypto && apk del temporary
-
-
+RUN apk add --no-cache font-terminus font-noto font-noto-extra font-arabic-misc font-misc-cyrillic font-mutt-misc font-screen-cyrillic font-winitzki-cyrillic font-cronyx-cyrillic font-noto-arabic font-noto-armenian font-noto-cherokee font-noto-devanagari font-noto-ethiopic font-noto-georgian font-noto-hebrew font-noto-lao font-noto-malayalam font-noto-tamil font-noto-thaana font-noto-thai
+RUN apk add --no-cache --virtual temporary python3-dev py3-pip gcc libc-dev && pip install --break-system-packages pyrogram TgCrypto unoserver && apk del temporary
 
 WORKDIR /2pdf
 
@@ -11,6 +9,3 @@ COPY main.py /2pdf/
 COPY 2pdf.session /2pdf/
 
 CMD ["python", "main.py"]
-
-
-

TODO.md

@@ -1,9 +1,9 @@
 # TODO
 ## Planned
-* Add /start command
+
 * Add /replace command
 * Make every filename random to prevent issues with the same filename
 
-
 ## In progress
-* Use unoserver
+* Add /start command
+* Make sure that unoserver restarts https://stackoverflow.com/questions/72146908/how-to-restart-subprocess-if-it-crashes

main.py

@@ -46,7 +46,30 @@ async def downloadDocument(file_id, file_name):
     filepath = await (app.download_media(file_id, file_name=file_name))
     return filepath
 
-async def convertDocument(sourceDocumentPath, sourceDocumentName):
+def unoCheck(): # Check if unoserver even exists
+    global unoserverPath
+    unoserverPath = shutil.which("unoservers")
+    if unoserverPath:
+        return unoserverPath
+    else:
+        return None
+
+def unoStart():
+    unoserverPath = unoCheck()
+    if unoserverPath:
+        subprocess.Popen(args=[unoserverPath, "--daemon"])
+    else:
+        return
+
+async def unoConvertDocument(sourceDocumentPath, sourceDocumentName):
+    unoconvertPath = shutil.which("unoconvert")
+    outputDir = "output"
+    outputDocumentPath = Path(outputDir) / Path(f"{sourceDocumentName}").with_suffix('.pdf')
+    Path(outputDir).mkdir(parents=True, exist_ok=True) # Ensure directory exists
+    subprocess.run(args=[unoconvertPath, "--convert-to", "pdf", sourceDocumentPath, outputDocumentPath])
+    return outputDocumentPath
+
+async def convertDocumentOneShot(sourceDocumentPath, sourceDocumentName):
     libreofficePath = shutil.which("libreoffice") # Find full path to the libreoffice binary
     outputDir = "output"
     Path(outputDir).mkdir(parents=True, exist_ok=True) # Ensure directory exists
@@ -64,9 +87,13 @@ async def documentFetcher(client, message):
     mime_type = message.document.mime_type
     if validDocument(mime_type=mime_type) == True:
         sourceDocumentPath = await downloadDocument(message.document.file_id, message.document.file_name)
-        outputDocumentPath = await convertDocument(sourceDocumentPath, message.document.file_name)
+        if unoserverPath:
+            outputDocumentPath = await unoConvertDocument(sourceDocumentPath, message.document.file_name)
+        else:
+            outputDocumentPath = await convertDocumentOneShot(sourceDocumentPath, message.document.file_name)
         await uploadDocument(outputDocumentPath, message.chat.id, message.id)
     else:
        return # Hopefully message will get ignored and no futher resources will be used
 
+unoStart()
 app.run()