voussoir/etiquette
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Let helpers.read_filebytes operate on pathclass Paths.

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This commit is contained in:
voussoir 2018-03-18 20:56:08 -07:00
parent a5aef63c6f
commit 2d73e59abf
1 changed files with 6 additions and 2 deletions
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8
etiquette/helpers.py
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@ -14,6 +14,7 @@ from . import constants
from . import exceptions from . import exceptions
from voussoirkit import bytestring from voussoirkit import bytestring
from voussoirkit import pathclass
def album_zip_directories(album, recursive=True): def album_zip_directories(album, recursive=True):
''' '''
@ -225,13 +226,16 @@ def random_hex(length=12):
token = token[:length] token = token[:length]
return token return token
def read_filebytes(filepath, range_min, range_max, chunk_size=2 ** 20): def read_filebytes(filepath, range_min=0, range_max=None, chunk_size=2 ** 20):
''' '''
Yield chunks of bytes from the file between the endpoints. Yield chunks of bytes from the file between the endpoints.
''' '''
filepath = pathclass.Path(filepath)
if range_max is None:
range_max = filepath.size
range_span = range_max - range_min range_span = range_max - range_min
f = open(filepath, 'rb') f = open(filepath.absolute_path, 'rb')
f.seek(range_min) f.seek(range_min)
sent_amount = 0 sent_amount = 0
with f: with f: