refactor

packaging/PKGBUILD

@@ -5,7 +5,7 @@
 
 _name=exec-notify
 pkgname="python-$_name-git"
-pkgver=r49.b96b44a
+pkgver=r50.21f07da
 pkgrel=1
 pkgdesc='execute command and notify about failure via email'
 arch=(any)

src/exec_notify/do_notify.py

@@ -41,7 +41,7 @@ def main():
     print(SUBJECT)
     print(BODY)
 
-    mail.sendMailOrWriteToFile(SUBJECT=SUBJECT, BODY=BODY)
+    mail.send_mail_or_write_to_file(subject=SUBJECT, body=BODY)
 
 
 if __name__ == '__main__':

src/exec_notify/lib/mail.py

@@ -9,34 +9,34 @@ from email.mime.multipart import MIMEMultipart
 from exec_notify.lib import config, util
 
 
-def sendMailOrWriteToFile(SUBJECT: str, BODY: str, informAboutLocalMail: bool = True):
+def send_mail_or_write_to_file(subject: str, body: str, inform_about_local_mail: bool = True):
-    if informAboutLocalMail and _localMailExists():
+    if inform_about_local_mail and _local_mail_exists():
-        mailDir = config.getMailDir()
+        mail_dir = config.getMailDir()
 
-        SUBJECT = f'{SUBJECT} | UNREAD LOCAL MAIL'
+        subject = f'{subject} | UNREAD LOCAL MAIL'
-        BODY = f'[!] Note [!]\n' \
+        body = f'[!] Note [!]\n' \
-               f'There is local mail inside {mailDir} that was not delivered previously! ' \
+               f'There is local mail inside {mail_dir} that was not delivered previously! ' \
                f'Please read and then delete it to get rid of this warning.\n\n\n' \
-               f'{BODY}'
+               f'{body}'
 
     try:
-        sendMail(SUBJECT=SUBJECT, BODY=BODY)
+        send_mail(subject=subject, body=body)
     except Exception as e:
         print(f'exec-notify>> Could not send mail: {e}', file=sys.stderr)
         print(f'exec-notify>> Writing to file instead ...', file=sys.stderr)
 
         # Instead, try to save the mail so that the user can read
         # it later when connected to this computer
-        saveMail(SUBJECT=SUBJECT, BODY=BODY)
+        save_mail(subject=subject, body=body)
 
 
-def sendMail(SUBJECT: str, BODY: str):
+def send_mail(subject: str, body: str):
     """
     :raises Exception: If mail could not be sent
     """
 
-    FROM = config.getFrom()
+    from_ = config.getFrom()
-    TO = config.getTo()
+    to = config.getTo()
     password = config.getPassword()
 
     # Create a secure SSL context
@@ -44,58 +44,58 @@ def sendMail(SUBJECT: str, BODY: str):
 
     host, port = config.getHostAndPort()
     with smtplib.SMTP_SSL(host=host, port=port, context=context) as server:
-        server.login(FROM, password)
+        server.login(from_, password)
         message = MIMEMultipart()
-        message["Subject"] = SUBJECT
+        message["Subject"] = subject
-        message["From"] = FROM
+        message["From"] = from_
-        message["To"] = TO
+        message["To"] = to
-        message["Bcc"] = TO  # Recommended for mass emails
+        message["Bcc"] = to  # Recommended for mass emails
         # Turn plain/html message_body into plain/html MIMEText objects
-        message.attach(MIMEText(BODY, "plain"))
+        message.attach(MIMEText(body, "plain"))
 
-        server.sendmail(FROM, TO, message.as_string())
+        server.sendmail(from_, to, message.as_string())
 
 
-def saveMail(SUBJECT: str, BODY: str):
+def save_mail(subject: str, body: str):
     """
     This method does NOT throw exceptions
     """
 
     time = datetime.datetime.now()
-    timeStr = time.strftime('%Y%m%d_%H%M%S')
+    time_str = time.strftime('%Y%m%d_%H%M%S')
 
-    mailDir = config.getMailDir()
+    mail_dir = config.getMailDir()
-    mailFile = mailDir.joinpath(timeStr)
+    mail_file = mail_dir.joinpath(time_str)
 
     prefix = '┃   '
-    mailStr = f'┏{"━"*19}\n' \
+    mail_str = f'┏{"━" * 19}\n' \
-              f'┣╸Date:\n' \
+               f'┣╸Date:\n' \
-              f'{util.appendLinePrefix(prefix, timeStr)}\n' \
+               f'{util.appendLinePrefix(prefix, time_str)}\n' \
-              f'┣╸Subject:\n' \
+               f'┣╸Subject:\n' \
-              f'{util.appendLinePrefix(prefix, SUBJECT)}\n' \
+               f'{util.appendLinePrefix(prefix, subject)}\n' \
-              f'┣╸Body:\n' \
+               f'┣╸Body:\n' \
-              f'{util.appendLinePrefix(prefix, BODY)}\n' \
+               f'{util.appendLinePrefix(prefix, body)}\n' \
-              f'┗{"━"*19}'
+               f'┗{"━" * 19}'
 
     try:
         # create parent directory if not existent
-        mailDir.mkdir(parents=True, exist_ok=True)
+        mail_dir.mkdir(parents=True, exist_ok=True)
 
         # append to file; create file if not existent
-        with open(mailFile, "a") as f:
+        with open(mail_file, "a") as f:
-            f.write(mailStr)
+            f.write(mail_str)
     except Exception as e:
         print(f'exec-notify>> Could not write to file: {e}', file=sys.stderr)
 
 
-def _localMailExists():
+def _local_mail_exists():
     """
     :return: True if local mail exists in maildir folder. Once the mail is read the user shall delete (or move) it.
     """
 
-    mailDir = config.getMailDir()
+    mail_dir = config.getMailDir()
-    if not mailDir.exists():
+    if not mail_dir.exists():
         return False
     else:
-        # mailDir has at least one child (file/folder)
+        # mail_dir has at least one child (file/folder)
-        return len(list(mailDir.iterdir())) > 0
+        return len(list(mail_dir.iterdir())) > 0

src/exec_notify/main.py

@@ -22,10 +22,10 @@ def main():
         print('No command given to execute!', file=sys.stderr)
         exit(1)
 
-    exit(executeCommand(argv[1:]))
+    exit(execute_command(argv[1:]))
 
 
-def executeCommand(command: List[str]) -> int:
+def execute_command(command: List[str]) -> int:
     """
     Executes the given command and sends an email on failure.
 
@@ -33,16 +33,16 @@ def executeCommand(command: List[str]) -> int:
     """
 
     try:
-        exitCode, stdout, stderr = exec.execute(command)
+        exit_code, stdout, stderr = exec.execute(command)
     except Exception as e:
-        exitCode, stdout, stderr = 1, '', 'Caught subprocess exception: ' + str(e)
+        exit_code, stdout, stderr = 1, '', 'Caught subprocess exception: ' + str(e)
 
     prefix = '┃   '
     BODY = f'┏{"━" * 19}\n' \
            f'┣╸Command:\n' \
            f'{util.appendLinePrefix(prefix, str(command))}\n' \
            f'┣╸Exit Code:\n' \
-           f'{util.appendLinePrefix(prefix, str(exitCode))}\n' \
+           f'{util.appendLinePrefix(prefix, str(exit_code))}\n' \
            f'┣╸stderr:\n' \
            f'{util.appendLinePrefix(prefix, stderr)}\n' \
            f'┣╸stdout:\n' \
@@ -50,11 +50,11 @@ def executeCommand(command: List[str]) -> int:
            f'┗{"━" * 19}'
     print(BODY)
 
-    if exitCode != 0:
+    if exit_code != 0:
-        SUBJECT = f'{socket.gethostname()} | {str(command)}'
+        subject = f'{socket.gethostname()} | {str(command)}'
-        mail.sendMailOrWriteToFile(SUBJECT=SUBJECT, BODY=BODY)
+        mail.send_mail_or_write_to_file(subject=subject, body=BODY)
 
-    return exitCode
+    return exit_code
 
 
 if __name__ == '__main__':