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# -*- coding: utf-8 -*-
from __future__ import unicode_literals
import json
from uritemplate import URITemplate
from .. import utils
from ..decorators import requires_auth
from ..exceptions import error_for
from ..models import GitHubCore
class Release(GitHubCore):
"""The :class:`Release <Release>` object.
It holds the information GitHub returns about a release from a
:class:`Repository <github3.repos.repo.Repository>`.
"""
CUSTOM_HEADERS = {'Accept': 'application/vnd.github.manifold-preview'}
def _update_attributes(self, release):
self._api = self._get_attribute(release, 'url')
#: List of :class:`Asset <Asset>` objects for this release
self.original_assets = self._get_attribute(release, 'assets', [])
if self.original_assets:
self.original_assets = [
Asset(i, self) for i in self.original_assets
]
#: URL for uploaded assets
self.assets_url = self._get_attribute(release, 'assets_url')
#: Body of the release (the description)
self.body = self._get_attribute(release, 'body')
#: Date the release was created
self.created_at = self._strptime_attribute(release, 'created_at')
#: Boolean whether value is True or False
self.draft = self._get_attribute(release, 'draft')
#: HTML URL of the release
self.html_url = self._get_attribute(release, 'html_url')
#: GitHub id
self.id = self._get_attribute(release, 'id')
#: Name given to the release
self.name = self._get_attribute(release, 'name')
#: Boolean whether release is a prerelease
self.prerelease = self._get_attribute(release, 'prerelease')
#: Date the release was published
self.published_at = self._strptime_attribute(release, 'published_at')
#: Name of the tag
self.tag_name = self._get_attribute(release, 'tag_name')
#: URL to download a tarball of the release
self.tarball_url = self._get_attribute(release, 'tarball_url')
#: "Commit" that this release targets
self.target_commitish = self._get_attribute(
release, 'target_commitish'
)
#: URITemplate to upload an asset with
self.upload_urlt = self._class_attribute(
release, 'upload_url', URITemplate
)
#: URL to download a zipball of the release
self.zipball_url = self._get_attribute(release, 'zipball_url')
def _repr(self):
return '<Release [{0}]>'.format(self.name)
def archive(self, format, path=''):
"""Get the tarball or zipball archive for this release.
:param str format: (required), accepted values: ('tarball',
'zipball')
:param path: (optional), path where the file should be saved
to, default is the filename provided in the headers and will be
written in the current directory.
it can take a file-like object as well
:type path: str, file
:returns: bool -- True if successful, False otherwise
"""
resp = None
if format in ('tarball', 'zipball'):
repo_url = self._api[:self._api.rfind('/releases')]
url = self._build_url(format, self.tag_name, base_url=repo_url)
resp = self._get(url, allow_redirects=True, stream=True)
if resp and self._boolean(resp, 200, 404):
utils.stream_response_to_file(resp, path)
return True
return False
def asset(self, asset_id):
"""Retrieve the asset from this release with ``asset_id``.
:param int asset_id: ID of the Asset to retrieve
:returns: :class:`~github3.repos.release.Asset`
"""
json = None
if int(asset_id) > 0:
i = self._api.rfind('/')
url = self._build_url('assets', str(asset_id),
base_url=self._api[:i])
json = self._json(self._get(url), 200)
return self._instance_or_null(Asset, json)
def assets(self, number=-1, etag=None):
"""Iterate over the assets available for this release.
:param int number: (optional), Number of assets to return
:param str etag: (optional), last ETag header sent
:returns: generator of :class:`Asset <Asset>` objects
"""
url = self._build_url('assets', base_url=self._api)
return self._iter(number, url, Asset, etag=etag)
@requires_auth
def delete(self):
"""Users with push access to the repository can delete a release.
:returns: True if successful; False if not successful
"""
url = self._api
return self._boolean(
self._delete(url, headers=Release.CUSTOM_HEADERS),
204,
404
)
@requires_auth
def edit(self, tag_name=None, target_commitish=None, name=None, body=None,
draft=None, prerelease=None):
"""Users with push access to the repository can edit a release.
If the edit is successful, this object will update itself.
:param str tag_name: (optional), Name of the tag to use
:param str target_commitish: (optional), The "commitish" value that
determines where the Git tag is created from. Defaults to the
repository's default branch.
:param str name: (optional), Name of the release
:param str body: (optional), Description of the release
:param boolean draft: (optional), True => Release is a draft
:param boolean prerelease: (optional), True => Release is a prerelease
:returns: True if successful; False if not successful
"""
url = self._api
data = {
'tag_name': tag_name,
'target_commitish': target_commitish,
'name': name,
'body': body,
'draft': draft,
'prerelease': prerelease,
}
self._remove_none(data)
r = self.session.patch(
url, data=json.dumps(data), headers=Release.CUSTOM_HEADERS
)
successful = self._boolean(r, 200, 404)
if successful:
# If the edit was successful, let's update the object.
self._update_attributes(r.json())
return successful
@requires_auth
def upload_asset(self, content_type, name, asset, label=None):
"""Upload an asset to this release.
All parameters are required.
:param str content_type: The content type of the asset. Wikipedia has
a list of common media types
:param str name: The name of the file
:param asset: The file or bytes object to upload.
:param label: (optional), An alternate short description of the asset.
:returns: :class:`Asset <Asset>`
"""
headers = {'Content-Type': content_type}
params = {'name': name, 'label': label}
self._remove_none(params)
url = self.upload_urlt.expand(params)
r = self._post(url, data=asset, json=False, headers=headers)
if r.status_code in (201, 202):
return Asset(r.json(), self)
raise error_for(r)
class Asset(GitHubCore):
def _update_attributes(self, asset):
self._api = self._get_attribute(asset, 'url')
#: Content-Type provided when the asset was created
self.content_type = self._get_attribute(asset, 'content_type')
#: Date the asset was created
self.created_at = self._strptime_attribute(asset, 'created_at')
#: Number of times the asset was downloaded
self.download_count = self._get_attribute(asset, 'download_count')
#: URL to download the asset.
#: Request headers must include ``Accept: application/octet-stream``.
self.download_url = self._api
# User friendly download URL
self.browser_download_url = self._get_attribute(
asset, 'browser_download_url')
#: GitHub id of the asset
self.id = self._get_attribute(asset, 'id')
#: Short description of the asset
self.label = self._get_attribute(asset, 'label')
#: Name of the asset
self.name = self._get_attribute(asset, 'name')
#: Size of the asset
self.size = self._get_attribute(asset, 'size')
#: State of the asset, e.g., "uploaded"
self.state = self._get_attribute(asset, 'state')
#: Date the asset was updated
self.updated_at = self._strptime_attribute(asset, 'updated_at')
def _repr(self):
return '<Asset [{0}]>'.format(self.name)
def download(self, path=''):
"""Download the data for this asset.
:param path: (optional), path where the file should be saved
to, default is the filename provided in the headers and will be
written in the current directory.
it can take a file-like object as well
:type path: str, file
:returns: name of the file, if successful otherwise ``None``
:rtype: str
"""
headers = {
'Accept': 'application/octet-stream'
}
resp = self._get(self._api, allow_redirects=False, stream=True,
headers=headers)
if resp.status_code == 302:
# Amazon S3 will reject the redirected request unless we omit
# certain request headers
headers.update({
'Content-Type': None,
})
with self.session.no_auth():
resp = self._get(resp.headers['location'], stream=True,
headers=headers)
if self._boolean(resp, 200, 404):
return utils.stream_response_to_file(resp, path)
return None
@requires_auth
def delete(self):
"""Delete this asset if the user has push access.
:returns: True if successful; False if not successful
:rtype: boolean
"""
url = self._api
return self._boolean(
self._delete(url, headers=Release.CUSTOM_HEADERS),
204,
404
)
def edit(self, name, label=None):
"""Edit this asset.
:param str name: (required), The file name of the asset
:param str label: (optional), An alternate description of the asset
:returns: boolean
"""
if not name:
return False
edit_data = {'name': name, 'label': label}
self._remove_none(edit_data)
r = self._patch(
self._api,
data=json.dumps(edit_data),
headers=Release.CUSTOM_HEADERS
)
successful = self._boolean(r, 200, 404)
if successful:
self._update_attributes(r.json())
return successful
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