refactor le style avec black

mailing.py

@@ -31,13 +31,17 @@ from email.message import EmailMessage
 # displays usage of the program, then quit
 #
 def usage(returncode):
-    print("""SYNTAX:
-    """, sys.argv[0], """ -t tofile -b bodyfile [-p attachedfile]
+    print(
+        """SYNTAX:
+    """,
+        sys.argv[0],
+        """ -t tofile -b bodyfile [-p attachedfile]
     
     tofile   : sort of CSV file containing addresses of recipients
     bodyfile : template of the mail to be sent
     attachedfile : optionnal attachment
-    """)
+    """,
+    )
     sys.exit(returncode)
 
 
@@ -50,7 +54,7 @@ JOINFILE = None
 def read_recipients():
     recipientfile = open(TOFILE)
     lines = recipientfile.readlines()
-    return [line[:-1].split('|') for line in lines]
+    return [line[:-1].split("|") for line in lines]
 
 
 def read_body():
@@ -60,23 +64,25 @@ def read_body() :
         body = body + line
     return body
 
+
 def read_join():
     try:
-        with open(JOINFILE, 'rb') as fp:
+        with open(JOINFILE, "rb") as fp:
             ctype, encoding = mimetypes.guess_type(JOINFILE)
             if ctype is None or encoding is not None:
-                ctype = 'application/octet-stream'
-            maintype, subtype = ctype.split('/', 1)
+                ctype = "application/octet-stream"
+            maintype, subtype = ctype.split("/", 1)
             metadata = {
-                    'filename': JOINFILE,
-                    'maintype': maintype,
-                    'subtype': subtype,
+                "filename": JOINFILE,
+                "maintype": maintype,
+                "subtype": subtype,
             }
             return (fp.read(), metadata)
     except Exception as e:
         print("read error: %s" % e)
         exit(1)
 
+
 def replace_values(bodytemplate, values):
     body = bodytemplate
 
@@ -96,17 +102,20 @@ CCPATTERN = re.compile(r"^Cc: *(.*)")
 BCCPATTERN = re.compile(r"^Bcc: *(.*)")
 REPLYTOPATTERN = re.compile(r"^Reply-To: *(.*)")
 
+
 def qencode_subject(message):
     subjectmatches = re.search(r"^Subject: *(.*)$", message, re.MULTILINE)
-    if (subjectmatches == None): return message
+    if subjectmatches == None:
+        return message
     subjectstr = subjectmatches.group(1)
-    h = Header(subjectstr, 'utf-8')
+    h = Header(subjectstr, "utf-8")
     qsubjectstr = h.encode()
     return message.replace(subjectstr, qsubjectstr, 1)
 
+
 def send_message(message, to, attachment):
 
-    lines = message.split('\n')
+    lines = message.split("\n")
 
     # identify headers in the template
     fromvalue = None
@@ -117,7 +126,7 @@ def send_message(message, to, attachment) :
 
     for index, line in enumerate(lines):
         if not line:
-            body = '\n'.join(lines[index+1:])
+            body = "\n".join(lines[index + 1 :])
             break
 
         frommatches = FROMPATTERN.match(line)
@@ -146,42 +155,45 @@ def send_message(message, to, attachment) :
         dests.append(bccvalue)
 
     msg = EmailMessage()
-    msg['Subject'] = subjectvalue
-    msg['From'] = fromvalue
-    msg['To'] = to
+    msg["Subject"] = subjectvalue
+    msg["From"] = fromvalue
+    msg["To"] = to
     if replytovalue:
-        msg['Reply-To'] = replytovalue
+        msg["Reply-To"] = replytovalue
     if ccvalue:
-        msg['Cc'] = ccvalue
+        msg["Cc"] = ccvalue
     msg.set_content(body)
     if attachment:
         msg.add_attachment(attachment[0], **attachment[1])
 
-    print("Sending : %s, from %s to %s, dests : %s" % (subjectvalue, fromvalue, dests[0], repr(dests)))
+    print(
+        "Sending : %s, from %s to %s, dests : %s"
+        % (subjectvalue, fromvalue, dests[0], repr(dests))
+    )
 
     # sending the mail to its recipients using the local mailer via SMTP
-    server = smtplib.SMTP('localhost','25')
+    server = smtplib.SMTP("localhost", "25")
     server.set_debuglevel(1)
     server.send_message(msg)
     server.quit()
 
 
-
-
-if __name__ == '__main__' :
-
+if __name__ == "__main__":
 
     # handle options of the program
     try:
-        opts, args = getopt.getopt(sys.argv[1:], 't:b:p:')
+        opts, args = getopt.getopt(sys.argv[1:], "t:b:p:")
     except getopt.error as msg:
         print("getopt error: %s" % msg)
         usage(1)
 
     for name, value in opts:
-        if name == '-t': TOFILE = value
-        elif name == '-b': BODYFILE = value
-        elif name == '-p': JOINFILE = value
+        if name == "-t":
+            TOFILE = value
+        elif name == "-b":
+            BODYFILE = value
+        elif name == "-p":
+            JOINFILE = value
         else:
             print("argument: ", name, " invalid")
             usage(1)
@@ -223,4 +235,3 @@ if __name__ == '__main__' :
             counter = 0
             print("suspending execution for 5 secs")
             time.sleep(5)
-