From 867478697d084697dd1553458082958cf283468a Mon Sep 17 00:00:00 2001
From: Victor Shyba <victor1984@riseup.net>
Date: Fri, 3 Jan 2020 02:57:36 -0300
Subject: [PATCH] lint blob/*

---
 lbry/blob/__init__.py  |  2 +-
 lbry/blob/blob_file.py | 14 +++++++-------
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/lbry/blob/__init__.py b/lbry/blob/__init__.py
index de7b7b2b0..ff9a606a1 100644
--- a/lbry/blob/__init__.py
+++ b/lbry/blob/__init__.py
@@ -3,4 +3,4 @@ from lbry.utils import get_lbry_hash_obj
 MAX_BLOB_SIZE = 2 * 2 ** 20
 
 # digest_size is in bytes, and blob hashes are hex encoded
-blobhash_length = get_lbry_hash_obj().digest_size * 2
+BLOBHASH_LENGTH = get_lbry_hash_obj().digest_size * 2
diff --git a/lbry/blob/blob_file.py b/lbry/blob/blob_file.py
index 9a2e3e680..dfcf1f3aa 100644
--- a/lbry/blob/blob_file.py
+++ b/lbry/blob/blob_file.py
@@ -14,15 +14,15 @@ from cryptography.hazmat.backends import default_backend
 from lbry.utils import get_lbry_hash_obj
 from lbry.error import DownloadCancelledError, InvalidBlobHashError, InvalidDataError
 
-from lbry.blob import MAX_BLOB_SIZE, blobhash_length
+from lbry.blob import MAX_BLOB_SIZE, BLOBHASH_LENGTH
 from lbry.blob.blob_info import BlobInfo
 from lbry.blob.writer import HashBlobWriter
 
 log = logging.getLogger(__name__)
 
 
-_hexmatch = re.compile("^[a-f,0-9]+$")
-backend = default_backend()
+HEXMATCH = re.compile("^[a-f,0-9]+$")
+BACKEND = default_backend()
 
 
 def is_valid_blobhash(blobhash: str) -> bool:
@@ -33,11 +33,11 @@ def is_valid_blobhash(blobhash: str) -> bool:
 
     @return: True/False
     """
-    return len(blobhash) == blobhash_length and _hexmatch.match(blobhash)
+    return len(blobhash) == BLOBHASH_LENGTH and HEXMATCH.match(blobhash)
 
 
 def encrypt_blob_bytes(key: bytes, iv: bytes, unencrypted: bytes) -> typing.Tuple[bytes, str]:
-    cipher = Cipher(AES(key), modes.CBC(iv), backend=backend)
+    cipher = Cipher(AES(key), modes.CBC(iv), backend=BACKEND)
     padder = PKCS7(AES.block_size).padder()
     encryptor = cipher.encryptor()
     encrypted = encryptor.update(padder.update(unencrypted) + padder.finalize()) + encryptor.finalize()
@@ -49,7 +49,7 @@ def encrypt_blob_bytes(key: bytes, iv: bytes, unencrypted: bytes) -> typing.Tupl
 def decrypt_blob_bytes(data: bytes, length: int, key: bytes, iv: bytes) -> bytes:
     if len(data) != length:
         raise ValueError("unexpected length")
-    cipher = Cipher(AES(key), modes.CBC(iv), backend=backend)
+    cipher = Cipher(AES(key), modes.CBC(iv), backend=BACKEND)
     unpadder = PKCS7(AES.block_size).unpadder()
     decryptor = cipher.decryptor()
     return unpadder.update(decryptor.update(data) + decryptor.finalize()) + unpadder.finalize()
@@ -144,7 +144,7 @@ class AbstractBlob:
 
     def close(self):
         while self.writers:
-            peer, writer = self.writers.popitem()
+            _, writer = self.writers.popitem()
             if writer and writer.finished and not writer.finished.done() and not self.loop.is_closed():
                 writer.finished.cancel()
         while self.readers: