本文整理汇总了Python中pip._internal.utils.hashes.MissingHashes方法的典型用法代码示例。如果您正苦于以下问题：Python hashes.MissingHashes方法的具体用法？Python hashes.MissingHashes怎么用？Python hashes.MissingHashes使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类pip._internal.utils.hashes的用法示例。
在下文中一共展示了hashes.MissingHashes方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: get_file_url
# 需要导入模块: from pip._internal.utils import hashes [as 别名]
# 或者: from pip._internal.utils.hashes import MissingHashes [as 别名]
def get_file_url(
link, # type: Link
download_dir=None, # type: Optional[str]
hashes=None # type: Optional[Hashes]
):
# type: (...) -> File
"""Get file and optionally check its hash.
"""
# If a download dir is specified, is the file already there and valid?
already_downloaded_path = None
if download_dir:
already_downloaded_path = _check_download_dir(
link, download_dir, hashes
)
if already_downloaded_path:
from_path = already_downloaded_path
else:
from_path = link.file_path
# If --require-hashes is off, `hashes` is either empty, the
# link's embedded hash, or MissingHashes; it is required to
# match. If --require-hashes is on, we are satisfied by any
# hash in `hashes` matching: a URL-based or an option-based
# one; no internet-sourced hash will be in `hashes`.
if hashes:
hashes.check_against_path(from_path)
content_type = mimetypes.guess_type(from_path)[0]
return File(from_path, content_type) 示例2: unpack_file_url
# 需要导入模块: from pip._internal.utils import hashes [as 别名]
# 或者: from pip._internal.utils.hashes import MissingHashes [as 别名]
def unpack_file_url(
link, # type: Link
location, # type: str
download_dir=None, # type: Optional[str]
hashes=None # type: Optional[Hashes]
):
# type: (...) -> Optional[str]
"""Unpack link into location.
If download_dir is provided and link points to a file, make a copy
of the link file inside download_dir.
"""
link_path = link.file_path
# If it's a url to a local directory
if link.is_existing_dir():
if os.path.isdir(location):
rmtree(location)
_copy_source_tree(link_path, location)
if download_dir:
logger.info('Link is a directory, ignoring download_dir')
return None
# If a download dir is specified, is the file already there and valid?
already_downloaded_path = None
if download_dir:
already_downloaded_path = _check_download_dir(
link, download_dir, hashes
)
if already_downloaded_path:
from_path = already_downloaded_path
else:
from_path = link_path
# If --require-hashes is off, `hashes` is either empty, the
# link's embedded hash, or MissingHashes; it is required to
# match. If --require-hashes is on, we are satisfied by any
# hash in `hashes` matching: a URL-based or an option-based
# one; no internet-sourced hash will be in `hashes`.
if hashes:
hashes.check_against_path(from_path)
content_type = mimetypes.guess_type(from_path)[0]
# unpack the archive to the build dir location. even when only downloading
# archives, they have to be unpacked to parse dependencies
unpack_file(from_path, location, content_type)
# a download dir is specified and not already downloaded
if download_dir and not os.path.exists(
os.path.join(download_dir, link.filename)
):
_copy_file(from_path, download_dir, link)
return from_path