# Path: cloudvolume/exceptions.py
# class UnsupportedProtocolError(ValueError):
#   """Unknown protocol extension."""
#   pass
# 
# Path: cloudvolume/lib.py
# def yellow(text):
#   return colorize('yellow', text)
# 
# def toabs(path):
#   path = os.path.expanduser(path)
#   return os.path.abspath(path)


import cloudfiles.paths
import os
import posixpath
import re
import sys
from collections import namedtuple
from .exceptions import UnsupportedProtocolError
from .lib import yellow, toabs
  format://protocol://bucket/.../dataset/layer

  Where format in: None, precomputed, boss, graphene
  Where protocol in: None, file, gs, s3, http(s), matrix

  Return an ExtractedPath which breaks out the components
  format, protocol, bucket, path, intermediate_path, dataset, layer

  Raise a cloudvolume.exceptions.UnsupportedProtocolError if the
  path does not conform to a valid path.

  Windows OS may handle file protocol paths slightly differently
  than other OSes.

  Returns: ExtractedPath
  """
  if len(cloudpath) == 0:
    return ExtractedPath('','','','','','','')

  windows_file_re = re.compile(r'((?:\w:\\)[\d\w_\.\-]+)')
  bucket_re = re.compile(r'^(/?[~\d\w_\.\-]+(?::\d+)?)/') # posix /what/a/great/path
  
  error = UnsupportedProtocolError(cloudpath_error(cloudpath))

  if windows is None:
    windows = sys.platform == 'win32'

  if disable_toabs:
    abspath = lambda x: x # can't prepend linux paths when force testing windows
  else:

# Path: cloudvolume/exceptions.py
# class UnsupportedProtocolError(ValueError):
#   """Unknown protocol extension."""
#   pass
# 
# Path: cloudvolume/lib.py
# def yellow(text):
#   return colorize('yellow', text)
# 
# def toabs(path):
#   path = os.path.expanduser(path)
#   return os.path.abspath(path)


# Path: cloudvolume/paths.py
import cloudfiles.paths
import os
import posixpath
import re
import sys
from collections import namedtuple
from .exceptions import UnsupportedProtocolError
from .lib import yellow, toabs

  format://protocol://bucket/.../dataset/layer

  Where format in: None, precomputed, boss, graphene
  Where protocol in: None, file, gs, s3, http(s), matrix

  Return an ExtractedPath which breaks out the components
  format, protocol, bucket, path, intermediate_path, dataset, layer

  Raise a cloudvolume.exceptions.UnsupportedProtocolError if the
  path does not conform to a valid path.

  Windows OS may handle file protocol paths slightly differently
  than other OSes.

  Returns: ExtractedPath
  """
  if len(cloudpath) == 0:
    return ExtractedPath('','','','','','','')

  windows_file_re = re.compile(r'((?:\w:\\)[\d\w_\.\-]+)')
  bucket_re = re.compile(r'^(/?[~\d\w_\.\-]+(?::\d+)?)/') # posix /what/a/great/path
  
  error = UnsupportedProtocolError(cloudpath_error(cloudpath))

  if windows is None:
    windows = sys.platform == 'win32'

  if disable_toabs:
    abspath = lambda x: x # can't prepend linux paths when force testing windows
  else:

    abspath = toabs    