118 lines
3.6 KiB
Python
118 lines
3.6 KiB
Python
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from bundlewrap.items import Item, ItemStatus
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from bundlewrap.exceptions import BundleError
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from bundlewrap.utils.text import force_text, mark_for_translation as _
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from bundlewrap.utils.remote import PathInfo
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import types
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from pipes import quote
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# Original file: https://github.com/bundlewrap/plugins/blob/master/item_download/items/download.py
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# BW4 does not support plugins anymore, thus we download it manually.
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class Download(Item):
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"""
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Download a file and verify its Hash.
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"""
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BUNDLE_ATTRIBUTE_NAME = "downloads"
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NEEDS_STATIC = [
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"pkg_apt:",
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"pkg_pacman:",
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"pkg_yum:",
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"pkg_zypper:",
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]
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ITEM_ATTRIBUTES = {
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'url': "",
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'sha256': "",
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'verifySSL': True,
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}
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ITEM_TYPE_NAME = "download"
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REQUIRED_ATTRIBUTES = []
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def __repr__(self):
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return "<Download name:{}>".format(self.name)
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def __hash_remote_file(self, filename):
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path_info = PathInfo(self.node, filename)
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if not path_info.is_file:
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return None
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if hasattr(path_info, 'sha256'):
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return path_info.sha256
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else:
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""""pending pr so do it manualy"""
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if self.node.os == 'macos':
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result = self.node.run("shasum -a 256 -- {}".format(quote(filename)))
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elif self.node.os in self.node.OS_FAMILY_BSD:
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result = self.node.run("sha256 -q -- {}".format(quote(filename)))
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else:
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result = self.node.run("sha256sum -- {}".format(quote(filename)))
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return force_text(result.stdout).strip().split()[0]
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def fix(self, status):
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if status.must_be_deleted:
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# Not possible
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pass
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else:
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# download file
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self.node.run("curl -L {verify}-s -o {file} -- {url}".format(
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verify="" if self.attributes.get('verifySSL', True) else "-k ",
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file=quote(self.name),
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url=quote(self.attributes['url'])
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))
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# check hash
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sha256 = self.__hash_remote_file(self.name)
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if sha256 != self.attributes['sha256']:
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# unlink file
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self.node.run("rm -rf -- {}".format(quote(self.name)))
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return False
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def cdict(self):
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"""This is how the world should be"""
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cdict = {
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'type': 'download',
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'sha256': self.attributes['sha256'],
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}
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return cdict
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def sdict(self):
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"""This is how the world is right now"""
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path_info = PathInfo(self.node, self.name)
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if not path_info.exists:
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return None
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else:
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sdict = {
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'type': 'download',
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'sha256': self.__hash_remote_file(self.name)
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}
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return sdict
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@classmethod
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def validate_attributes(cls, bundle, item_id, attributes):
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if 'sha256' not in attributes:
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raise BundleError(_(
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"at least one hash must be set on {item} in bundle '{bundle}'"
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).format(
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bundle=bundle.name,
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item=item_id,
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))
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if 'url' not in attributes:
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raise BundleError(_(
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"you need to specify the url on {item} in bundle '{bundle}'"
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).format(
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bundle=bundle.name,
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item=item_id,
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))
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def get_auto_deps(self, items):
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deps = []
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for item in items:
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# debian TODO: add other package manager
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if item.ITEM_TYPE_NAME == 'pkg_apt' and item.name == 'curl':
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deps.append(item.id)
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return deps
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