Optionally save file to store path

latecomers/config.py

@@ -20,6 +20,7 @@ def get_section(obj: T.Dict[T.Text, T.Any], key: T.Text) -> T.Any:
 class Config(object):
     smtp: T.Dict[T.Text, T.Any] = {}
     to: T.List[T.Text] = []
+    store: T.Optional[T.Text] = None
 
     def __init__(self, path: T.Text) -> None:
         self.from_file(path)
@@ -46,5 +47,7 @@ class Config(object):
 
         self.smtp["smtp_from"] = smtp.get("smtp_from")
 
+        self.store = content.get("store")
+
     def __str__(self) -> T.Text:
         return f"Config<smtp={self.smtp},to={self.to}>"

latecomers/helpers.py

@@ -1,4 +1,5 @@
 # -*- encoding: utf-8 -*-
+from datetime import datetime, timedelta
 import functools
 import logging
 import sys
@@ -48,3 +49,10 @@ def retry_and_log(logger: logging.Logger, retries: int):
         return inner
 
     return wrapper
+
+
+def get_date() -> T.Text:
+    """
+    Get yesterday's date in %Y-%m-%d format.
+    """
+    return (datetime.now() - timedelta(days=1)).strftime("%Y-%m-%d")

latecomers/main.py

@@ -34,7 +34,7 @@ def main(config: Config):
     if not data:
         out.send_no_data(config.to)
 
-    excel = to_excel(data)
+    excel = to_excel(data, config.store)
     out.send_result(config.to, excel)
 
 

latecomers/notifier.py

@@ -1,6 +1,5 @@
 # -*- encoding: utf-8 -*-
 from contextlib import contextmanager
-from datetime import datetime, timedelta
 from email import encoders
 from email.mime.base import MIMEBase
 from email.mime.multipart import MIMEMultipart
@@ -10,8 +9,7 @@ import smtplib
 import ssl
 import typing as T
 
-
-from latecomers.helpers import retry_and_log
+from latecomers.helpers import retry_and_log, get_date
 
 
 RETRIES = 3
@@ -58,7 +56,7 @@ class Notifier(object):
 
     @retry_and_log(logger, RETRIES)
     def send_result(self, to: T.List[T.Text], result: bytes) -> None:
-        date = (datetime.now() - timedelta(days=1)).strftime("%Y-%m-%d")
+        date = get_date()
         body = f"Resoconto dei voli dal sito di AdR per l'aereoporto di Ciampino in data {date}"  # noqa: E501
 
         message = MIMEMultipart()
@@ -84,7 +82,7 @@ class Notifier(object):
 
     @retry_and_log(logger, RETRIES)
     def send_no_data(self, to: T.List[T.Text]) -> None:
-        date = (datetime.now() - timedelta(days=1)).strftime("%Y-%m-%d")
+        date = get_date()
         body = f"""Attenzione
 
 Nessun dato è stato trovato per i voli in data {date} dal sito di AdR per

latecomers/serializer.py

@@ -1,10 +1,11 @@
 # -*- encoding: utf-8 -*-
 import logging
+import os.path
 from tempfile import NamedTemporaryFile
 import typing as T
 
 from latecomers.parse import Details
-from latecomers.helpers import logit
+from latecomers.helpers import logit, get_date
 
 import pandas as pd
 
@@ -13,7 +14,7 @@ logger = logging.getLogger(__name__)
 
 
 @logit(logger)
-def to_excel(data: T.List[Details]) -> bytes:
+def to_excel(data: T.List[Details], dst: T.Optional[T.Text] = None) -> bytes:
     """
     This function takes the list of parsed rows as input and returns
     the bytes corresponding to the excel file derived from such lines.
@@ -38,4 +39,12 @@ def to_excel(data: T.List[Details]) -> bytes:
         tmp.seek(0)
         content = tmp.read()
 
+    if dst:
+        filepath = os.path.join(dst, f"{get_date()}.xlsx")
+        try:
+            with open(filepath, "wb") as out:
+                out.write(content)
+        except Exception as e:
+            logger.warning(f"Cannot save to path '{filepath}': {e}")
+
     return content