Initial commit

.gitignore

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+.env
+test.pdf
+venv

Dockerfile

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+FROM python:3.6-slim-buster
+RUN apt-get update && apt-get install -y sane-utils libsane-hpaio imagemagick tesseract-ocr-fra tesseract-ocr-deu pngquant nano
+WORKDIR /usr/src/app
+COPY . .
+RUN pip install --no-cache-dir -r requirements.txt
+RUN sed -i 's/rights="none" pattern="PDF"/rights="read|write" pattern="PDF"/' /etc/ImageMagick-6/policy.xml
+CMD ["python", "./main.py"]

README.adoc

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+= Auto-scan to automatically scan documents from HP, OCR files, optimize it and finally send it by email as attachment
+:icons: font
+ifdef::env-github[]
+:tip-caption: :bulb:
+:note-caption: :information_source:
+:important-caption: :heavy_exclamation_mark:
+:caution-caption: :fire:
+:warning-caption: :warning:
+endif::[]

main.py

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+import subprocess
+import datetime
+from send_email import *
+
+ts_now = '{:%Y-%m-%d_%H%M%S}'.format(datetime.datetime.now())
+file_with_ts = 'attachment_' + ts_now + '.pdf'
+
+subprocess.run(["scan-pdf/src/scan-pdf", "--flatbed", "--color-mode", "color", file_with_ts])
+
+subprocess.run(["ocrmypdf", "-r", "--rotate-pages-threshold", "6", "-O", "3", file_with_ts, file_with_ts])
+
+send_email(file_with_ts, ts_now)

requirements.txt

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+ocrmypdf>=12.0.1<12.1.0
+python-dotenv>=0.17.1<0.18.0

send_email.py

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+import smtplib
+from email.mime.multipart import MIMEMultipart
+from email.mime.text import MIMEText
+from email.mime.application import MIMEApplication
+import os
+from dotenv import load_dotenv
+
+
+def send_email(filename: str, ts: str) -> str:
+    load_dotenv()
+
+    gmail_user = os.environ['RPI_EMAIL']
+    gmail_password = os.environ['RPI_PASS']
+
+    sent_from = gmail_user
+
+    message = MIMEMultipart('mixed')
+    message['From'] = 'RPI Scanner <{sender}>'.format(sender = sent_from)
+    message['To'] = os.environ['EMAIL_RECIPIENTS']
+    message['CC'] = ''
+    message['Subject'] = 'Scan ' + ts
+
+    msg_content = '<h4>Hi There,<br> This is an automatic HP scanner message.</h4>\n'
+    body = MIMEText(msg_content, 'html')
+    message.attach(body)
+
+    attachmentPath = "./" + filename
+
+    try:
+        with open(attachmentPath, "rb") as attachment:
+            p = MIMEApplication(attachment.read(),_subtype="pdf")
+            p.add_header('Content-Disposition', "attachment; filename= %s" % attachmentPath.split("/")[-1])
+            message.attach(p)
+    except Exception as e:
+        print(str(e))
+
+    msg_full = message.as_string()
+
+    try:
+       server = smtplib.SMTP_SSL('smtp.gmail.com', 465)
+       server.ehlo()
+       server.login(gmail_user, gmail_password)
+       server.sendmail(sent_from,
+                       message['To'].split(";") + (message['CC'].split(";") if message['CC'] else []),
+                       msg_full)
+       server.close()
+       print('Email sent!')
+    except:
+       print('Something went wrong...')