Removes log_utils module.

The log_utils module is not needed to run zipline core.

zipline/utils/log_utils.py

@@ -1,89 +0,0 @@
-#
-# Copyright 2012 Quantopian, Inc.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-
-import logbook
-from contextlib import contextmanager
-
-
-log = logbook.Logger("LogUtils")
-
-
-class redirector(object):
-    def __init__(self, logger, name):
-        self.logger = logger
-        self.buffer = bytes()
-        self.name = name
-
-    def write(self, line):
-        self.buffer += ''.join(['>>> ', line.strip('\n'), '\n'])
-
-    def flush(self, final=False):
-        if not self.buffer:
-            return
-        out_form = """ [{pipe_name}] \n{buffer}""".format(
-            pipe_name=self.name,
-            buffer=self.buffer
-        )
-        self.logger.error(out_form)
-        self.buffer = bytes()
-
-
-class log_redirector(object):
-    def __init__(self, logger):
-        self.logger = logger
-
-    def write(self, line):
-        #Absorb blank lines from print statements.
-        if line == '\n':
-            return
-
-        else:
-            #TODO: add logic to guarantee we made this
-            self.logger.info(line.strip('\n'))
-
-    def flush(self, final=False):
-        pass
-
-
-@contextmanager
-def stdout_pipe(logger, pipe_name):
-    """
-    Pipe stdout and stderr into a python logger interface
-    """
-    import sys
-    orig_fds = sys.stdout, sys.stderr
-
-    sys.stderr = redirector(logger, pipe_name)
-    sys.stdout = redirector(logger, pipe_name)
-
-    yield
-    sys.stderr.flush()
-    sys.stdout.flush()
-    sys.stdout, sys.stderr = orig_fds
-
-
-@contextmanager
-def stdout_only_pipe(logger, pipe_name):
-    """
-    Pipes just stdout into a python logger interface
-    """
-    import sys
-    orig_fd = sys.stdout
-    sys.stdout = log_redirector(logger)
-
-    yield
-    sys.stdout.flush()
-    sys.stdout = orig_fd