def cat_target(target):
"""
Prints the contents of the target file into the file-like object out.
The caller should ensure that the target is a file.
"""
rest_util.check_target_has_read_permission(target)
with closing(local.download_manager.stream_file(target[0], target[1], gzipped=False)) as fileobj:
return fileobj.read()
def cat_target(target):
"""
Prints the contents of the target file into the file-like object out.
The caller should ensure that the target is a file.
"""
rest_util.check_target_has_read_permission(target)
with closing(
local.download_manager.stream_file(target[0], target[1], gzipped=False)
) as fileobj:
return fileobj.read()
def head_target(target, max_num_lines):
"""
Return the first max_num_lines of target as a list of strings.
The caller should ensure that the target is a file.
:param target: A worker.download_util.BundleTarget with bundle_uuid and subpath
:param max_num_lines: max number of lines to fetch
"""
rest_util.check_target_has_read_permission(target)
# Note: summarize_file returns bytes, but should be decodable to a string.
lines = (local.download_manager.summarize_file(
target, max_num_lines, 0, MAX_BYTES_PER_LINE, None,
gzipped=False).decode().splitlines(True))
return lines
def head_target(target, max_num_lines, replace_non_unicode=False):
"""
Return the first max_num_lines of target as a list of strings.
The caller should ensure that the target is a file.
:param target: (bundle_uuid, subpath)
:param max_num_lines: max number of lines to fetch
:param replace_non_unicode: replace non-unicode characters with something printable
"""
rest_util.check_target_has_read_permission(target)
lines = local.download_manager.summarize_file(
target[0], target[1], max_num_lines, 0, MAX_BYTES_PER_LINE, None, gzipped=False
).splitlines(True)
if replace_non_unicode:
lines = map(formatting.verbose_contents_str, lines)
return lines
def head_target(target, max_num_lines, replace_non_unicode=False):
"""
Return the first max_num_lines of target as a list of strings.
The caller should ensure that the target is a file.
:param target: (bundle_uuid, subpath)
:param max_num_lines: max number of lines to fetch
:param replace_non_unicode: replace non-unicode characters with something printable
"""
rest_util.check_target_has_read_permission(target)
lines = local.download_manager.summarize_file(
target[0], target[1], max_num_lines, 0, MAX_BYTES_PER_LINE, None, gzipped=False
).splitlines(True)
if replace_non_unicode:
lines = map(formatting.verbose_contents_str, lines)
return lines
