From 96d8cb17d91df4662fec9f648bc8a5a688d00dc9 Mon Sep 17 00:00:00 2001
From: Kay Kurokawa <kay@lbry.io>
Date: Fri, 29 Sep 2017 14:45:11 -0400
Subject: [PATCH] delete deprecated producer/consumer read methods from
 BlobFile

---
 lbrynet/blob/blob_file.py | 30 +-----------------------------
 lbrynet/blob/reader.py    | 31 -------------------------------
 2 files changed, 1 insertion(+), 60 deletions(-)

diff --git a/lbrynet/blob/blob_file.py b/lbrynet/blob/blob_file.py
index 0c4d2555c..5c08b2059 100644
--- a/lbrynet/blob/blob_file.py
+++ b/lbrynet/blob/blob_file.py
@@ -1,14 +1,13 @@
 import logging
 import os
 from twisted.internet import defer, threads
-from twisted.protocols.basic import FileSender
 from twisted.web.client import FileBodyProducer
 from twisted.python.failure import Failure
 from lbrynet import conf
 from lbrynet.core.Error import DownloadCanceledError, InvalidDataError, InvalidBlobHashError
 from lbrynet.core.utils import is_valid_blobhash
 from lbrynet.blob.writer import HashBlobWriter
-from lbrynet.blob.reader import HashBlobReader, HashBlobReader_v0
+from lbrynet.blob.reader import HashBlobReader
 
 
 log = logging.getLogger(__name__)
@@ -143,33 +142,6 @@ class BlobFile(object):
             return True
         return False
 
-    def read(self, write_func):
-        """
-        This function is only used in StreamBlobDecryptor
-        and should be deprecated in favor of open_for_reading()
-        """
-        def close_self(*args):
-            self.close_read_handle(file_handle)
-            return args[0]
-
-        file_sender = FileSender()
-        reader = HashBlobReader_v0(write_func)
-        file_handle = self.open_for_reading()
-        if file_handle is not None:
-            d = file_sender.beginFileTransfer(file_handle, reader)
-            d.addCallback(close_self)
-        else:
-            d = defer.fail(IOError("Could not read the blob"))
-        return d
-
-    def close_read_handle(self, file_handle):
-        """
-        This function is only used in StreamBlobDecryptor
-        and should be deprecated in favor of open_for_reading()
-        """
-        if file_handle is not None:
-            file_handle.close()
-
     def reader_finished(self, reader):
         self.readers -= 1
         return defer.succeed(True)
diff --git a/lbrynet/blob/reader.py b/lbrynet/blob/reader.py
index 745e62ef8..afd62e57e 100644
--- a/lbrynet/blob/reader.py
+++ b/lbrynet/blob/reader.py
@@ -1,39 +1,8 @@
 import logging
-from twisted.internet import interfaces
-from zope.interface import implements
 
 log = logging.getLogger(__name__)
 
 
-class HashBlobReader_v0(object):
-    """
-    This is a class that is only used in StreamBlobDecryptor
-    and should be deprecated
-    """
-    implements(interfaces.IConsumer)
-
-    def __init__(self, write_func):
-        self.write_func = write_func
-
-    def registerProducer(self, producer, streaming):
-        from twisted.internet import reactor
-
-        self.producer = producer
-        self.streaming = streaming
-        if self.streaming is False:
-            reactor.callLater(0, self.producer.resumeProducing)
-
-    def unregisterProducer(self):
-        pass
-
-    def write(self, data):
-        from twisted.internet import reactor
-
-        self.write_func(data)
-        if self.streaming is False:
-            reactor.callLater(0, self.producer.resumeProducing)
-
-
 class HashBlobReader(object):
     """
     This is a file like reader class that supports