New version of black, new whitespace

bookwyrm/signatures.py

@@ -13,7 +13,7 @@ MAX_SIGNATURE_AGE = 300
 
 
 def create_key_pair():
-    """ a new public/private key pair, used for creating new users """
+    """a new public/private key pair, used for creating new users"""
     random_generator = Random.new().read
     key = RSA.generate(1024, random_generator)
     private_key = key.export_key().decode("utf8")
@@ -23,7 +23,7 @@ def create_key_pair():
 
 
 def make_signature(sender, destination, date, digest):
-    """ uses a private key to sign an outgoing message """
+    """uses a private key to sign an outgoing message"""
     inbox_parts = urlparse(destination)
     signature_headers = [
         "(request-target): post %s" % inbox_parts.path,
@@ -44,14 +44,14 @@ def make_signature(sender, destination, date, digest):
 
 
 def make_digest(data):
-    """ creates a message digest for signing """
+    """creates a message digest for signing"""
     return "SHA-256=" + b64encode(hashlib.sha256(data.encode("utf-8")).digest()).decode(
         "utf-8"
     )
 
 
 def verify_digest(request):
-    """ checks if a digest is syntactically valid and matches the message """
+    """checks if a digest is syntactically valid and matches the message"""
     algorithm, digest = request.headers["digest"].split("=", 1)
     if algorithm == "SHA-256":
         hash_function = hashlib.sha256
@@ -66,7 +66,7 @@ def verify_digest(request):
 
 
 class Signature:
-    """ read and validate incoming signatures """
+    """read and validate incoming signatures"""
 
     def __init__(self, key_id, headers, signature):
         self.key_id = key_id
@@ -75,7 +75,7 @@ class Signature:
 
     @classmethod
     def parse(cls, request):
-        """ extract and parse a signature from an http request """
+        """extract and parse a signature from an http request"""
         signature_dict = {}
         for pair in request.headers["Signature"].split(","):
             k, v = pair.split("=", 1)
@@ -92,7 +92,7 @@ class Signature:
         return cls(key_id, headers, signature)
 
     def verify(self, public_key, request):
-        """ verify rsa signature """
+        """verify rsa signature"""
         if http_date_age(request.headers["date"]) > MAX_SIGNATURE_AGE:
             raise ValueError("Request too old: %s" % (request.headers["date"],))
         public_key = RSA.import_key(public_key)
@@ -118,7 +118,7 @@ class Signature:
 
 
 def http_date_age(datestr):
-    """ age of a signature in seconds """
+    """age of a signature in seconds"""
     parsed = datetime.datetime.strptime(datestr, "%a, %d %b %Y %H:%M:%S GMT")
     delta = datetime.datetime.utcnow() - parsed
     return delta.total_seconds()