forked from galaxyproject/bioblend
/
__init__.py
84 lines (66 loc) · 2.2 KB
/
__init__.py
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import logging
import os
from bioblend.config import Config, BioBlendConfigLocations
# Current version of the library
__version__ = '0.5.4-dev'
# default chunk size (in bytes) for reading remote data
try:
import resource
CHUNK_SIZE = resource.getpagesize()
except Exception:
CHUNK_SIZE = 4096
config = Config()
def get_version():
"""
Returns a string with the current version of the library (e.g., "0.2.0")
"""
return __version__
def init_logging():
"""
Initialize BioBlend's logging from a configuration file.
"""
for config_file in BioBlendConfigLocations:
try:
logging.config.fileConfig(os.path.expanduser(config_file))
except:
pass
class NullHandler(logging.Handler):
def emit(self, record):
pass
# By default, do not force any logging by the library. If you want to see the
# log messages in your scripts, add the following to the top of your script:
# import logging
# logging.basicConfig(filename="bioblend.log", level=logging.DEBUG)
default_format_string = "%(asctime)s %(name)s [%(levelname)s]: %(message)s"
log = logging.getLogger('bioblend')
log.addHandler(NullHandler())
init_logging()
# Convenience functions to set logging to a particular file or stream
# To enable either of these, simply add the following at the top of a
# bioblend module:
# import bioblend
# bioblend.set_stream_logger(__name__)
def set_file_logger(name, filepath, level=logging.INFO, format_string=None):
global log
if not format_string:
format_string = default_format_string
logger = logging.getLogger(name)
logger.setLevel(level)
fh = logging.FileHandler(filepath)
fh.setLevel(level)
formatter = logging.Formatter(format_string)
fh.setFormatter(formatter)
logger.addHandler(fh)
log = logger
def set_stream_logger(name, level=logging.DEBUG, format_string=None):
global log
if not format_string:
format_string = default_format_string
logger = logging.getLogger(name)
logger.setLevel(level)
fh = logging.StreamHandler()
fh.setLevel(level)
formatter = logging.Formatter(format_string)
fh.setFormatter(formatter)
logger.addHandler(fh)
log = logger