black

app/dashboard/views/alias_contact_manager.py

@@ -31,7 +31,7 @@ def email_validator():
 
         if "<" in email and ">" in email:
             if email.find("<") + 1 < email.find(">"):
-                email_part = email[email.find("<") + 1:email.find(">")].strip()
+                email_part = email[email.find("<") + 1 : email.find(">")].strip()
 
         if not is_valid_email(email_part):
             raise ValidationError(message)

app/dashboard/views/custom_domain.py

@@ -35,10 +35,10 @@ def custom_domain():
                 new_domain = new_custom_domain_form.domain.data.lower().strip()
 
                 if new_domain.startswith("http://"):
-                    new_domain = new_domain[len("http://"):]
+                    new_domain = new_domain[len("http://") :]
 
                 if new_domain.startswith("https://"):
-                    new_domain = new_domain[len("https://"):]
+                    new_domain = new_domain[len("https://") :]
 
                 if SLDomain.get_by(domain=new_domain):
                     flash("A custom domain cannot be a built-in domain.", "error")

app/dashboard/views/mailbox_detail.py

@@ -199,7 +199,9 @@ def mailbox_detail_route(mailbox_id):
 def verify_mailbox_change(user, mailbox, new_email):
     s = Signer(MAILBOX_SECRET)
     mailbox_id_signed = s.sign(str(mailbox.id)).decode()
-    verification_url = f"{URL}/dashboard/mailbox/confirm_change?mailbox_id={mailbox_id_signed}"
+    verification_url = (
+        f"{URL}/dashboard/mailbox/confirm_change?mailbox_id={mailbox_id_signed}"
+    )
 
     send_email(
         new_email,

app/dns_utils.py

@@ -74,7 +74,7 @@ def get_spf_domain(hostname) -> [str]:
                 parts = record.split(" ")
                 for part in parts:
                     if part.startswith(_include_spf):
-                        ret.append(part[part.find(_include_spf) + len(_include_spf):])
+                        ret.append(part[part.find(_include_spf) + len(_include_spf) :])
 
     return ret
 

app/email_utils.py

@@ -246,7 +246,7 @@ def send_email(
             )
 
     # add DKIM
-    email_domain = SUPPORT_EMAIL[SUPPORT_EMAIL.find("@") + 1:]
+    email_domain = SUPPORT_EMAIL[SUPPORT_EMAIL.find("@") + 1 :]
     add_dkim_signature(msg, email_domain)
 
     msg_raw = to_bytes(msg)
@@ -343,7 +343,7 @@ def get_email_domain_part(address):
     Get the domain part from email
     ab@cd.com -> cd.com
     """
-    return address[address.find("@") + 1:].strip().lower()
+    return address[address.find("@") + 1 :].strip().lower()
 
 
 def add_dkim_signature(msg: Message, email_domain: str):
@@ -362,7 +362,7 @@ def add_dkim_signature(msg: Message, email_domain: str):
 
     # remove linebreaks from sig
     sig = sig.replace("\n", " ").replace("\r", "")
-    msg["DKIM-Signature"] = sig[len("DKIM-Signature: "):]
+    msg["DKIM-Signature"] = sig[len("DKIM-Signature: ") :]
 
 
 def add_or_replace_header(msg: Message, header: str, value: str):
@@ -518,7 +518,7 @@ def get_header_from_bounce(msg: Message, header: str) -> str:
     r = re.search(exp, msg_str)
     if r:
         # substr should be something like 'HEADER: 1234'
-        substr = msg_str[r.start():r.end()].strip()
+        substr = msg_str[r.start() : r.end()].strip()
         parts = substr.split(":")
         return parts[1].strip()
 
@@ -570,9 +570,9 @@ def get_spam_from_header(spam_status_header, max_score=None) -> (bool, str):
         # spam score
         # get the score section "score=-0.1"
         score_section = (
-            spam_status_header[spam_status_header.find(",") + 1:].strip().split(" ")[0]
+            spam_status_header[spam_status_header.find(",") + 1 :].strip().split(" ")[0]
         )
-        score = float(score_section[len("score="):])
+        score = float(score_section[len("score=") :])
         if score >= max_score:
             LOG.warning("Spam score %s exceeds %s", score, max_score)
             return True, spam_status_header

app/spamassassin_utils.py

@@ -74,7 +74,7 @@ class SpamAssassin(object):
 
         first_line = match.group(1)
         headers = match.group(2)
-        body = response[match.end(0):]
+        body = response[match.end(0) :]
 
         # Checking response is good
         match = first_line_pattern.match(first_line)
@@ -87,7 +87,7 @@ class SpamAssassin(object):
             s.strip() for s in body.decode("utf-8", errors="ignore").strip().split("\n")
         ]
         linebreak_num = report_list.index([s for s in report_list if "---" in s][0])
-        tablelists = [s for s in report_list[linebreak_num + 1:]]
+        tablelists = [s for s in report_list[linebreak_num + 1 :]]
 
         self.report_fulltext = "\n".join(report_list)
 

cron.py

@@ -418,7 +418,9 @@ def sanity_check():
 def check_custom_domain():
     LOG.d("Check verified domain for DNS issues")
 
-    for custom_domain in CustomDomain.query.filter_by(verified=True):  # type: CustomDomain
+    for custom_domain in CustomDomain.query.filter_by(
+        verified=True
+    ):  # type: CustomDomain
         mx_domains = get_mx_domains(custom_domain.domain)
 
         if sorted(mx_domains) != sorted(EMAIL_SERVERS_WITH_PRIORITY):

email_handler.py

@@ -779,7 +779,7 @@ def handle_reply(envelope, msg: Message, rcpt_to: str) -> (bool, str):
 
     alias = contact.alias
     address: str = contact.alias.email
-    alias_domain = address[address.find("@") + 1:]
+    alias_domain = address[address.find("@") + 1 :]
 
     # Sanity check: verify alias domain is managed by SimpleLogin
     # scenario: a user have removed a domain but due to a bug, the aliases are still there

tests/conftest.py

@@ -1,4 +1,5 @@
 import os
+
 # flake8: noqa: E402
 
 os.environ["CONFIG"] = os.path.abspath(