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import re |
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import shlex |
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import attr |
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import semantic_version |
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import uritemplate |
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import requests |
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import giturlparse |
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from plumbum.cmd import git |
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MERGED_PULL_REQUEST = re.compile( |
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r'^([0-9a-f]{5,40}) Merge pull request #(\w+)' |
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) |
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GITHUB_PULL_REQUEST_API = ( |
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'https://api.github.com/repos{/owner}{/repo}/issues{/number}' |
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) |
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GITHUB_LABEL_API = ( |
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'https://api.github.com/repos{/owner}{/repo}/labels' |
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) |
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def changes_to_release_type(repository): |
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pull_request_labels = set() |
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changes = repository.changes_since_last_version |
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for change in changes: |
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for label in change.labels: |
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pull_request_labels.add(label) |
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change_descriptions = [ |
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'\n'.join([change.title, change.description]) for change in changes |
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] |
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current_version = repository.latest_version |
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if 'BREAKING CHANGE' in change_descriptions: |
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return 'major', Release.BREAKING_CHANGE, current_version.next_major() |
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elif 'enhancement' in pull_request_labels: |
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return 'minor', Release.FEATURE, current_version.next_minor() |
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elif 'bug' in pull_request_labels: |
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return 'patch', Release.FIX, current_version.next_patch() |
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else: |
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return None, Release.NO_CHANGE, current_version |
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@attr.s |
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class Release: |
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NO_CHANGE = 'nochanges' |
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BREAKING_CHANGE = 'breaking' |
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FEATURE = 'feature' |
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FIX = 'fix' |
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release_date = attr.ib() |
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version = attr.ib() |
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description = attr.ib() |
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name = attr.ib(default=attr.Factory(str)) |
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changes = attr.ib(default=attr.Factory(dict)) |
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@property |
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@attr.s |
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class PullRequest: |
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number = attr.ib() |
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title = attr.ib() |
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description = attr.ib() |
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# default is 'body' key |
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author = attr.ib() |
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labels = attr.ib(default=attr.Factory(list)) |
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@classmethod |
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def from_github(cls, api_response): |
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return PullRequest( |
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number = api_response['number'], |
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title = api_response['title'], |
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description = api_response['body'], |
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author = api_response['user']['login'], |
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labels = [ |
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label['name'] |
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for label in api_response['labels'] |
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# label['colour'] => https://gist.github.com/MicahElliott/719710 |
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], |
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# labels need a description => map for default github tags |
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) |
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@attr.s |
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class GitRepository: |
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VERSION_ZERO = semantic_version.Version('0.0.0') |
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# TODO: handle multiple remotes (cookiecutter [non-owner maintainer]) |
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REMOTE_NAME = 'origin' |
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auth_token = attr.ib(default=None) |
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@property |
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def remote_url(self): |
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return git(shlex.split('config --get remote.{}.url'.format( |
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self.REMOTE_NAME |
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))) |
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@property |
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def parsed_repo(self): |
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return giturlparse.parse(self.remote_url) |
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@property |
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def repo(self): |
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return self.parsed_repo.repo |
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@property |
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def owner(self): |
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return self.parsed_repo.owner |
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@property |
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def platform(self): |
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return self.parsed_repo.platform |
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@property |
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def is_github(self): |
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return self.parsed_repo.github |
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@property |
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def is_bitbucket(self): |
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return self.parsed_repo.bitbucket |
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@property |
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def commit_history(self): |
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return [ |
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commit_message |
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for commit_message in git(shlex.split( |
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'log --oneline --no-color' |
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)).split('\n') |
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if commit_message |
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] |
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@property |
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def first_commit_sha(self): |
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return git( |
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'rev-list', '--max-parents=0', 'HEAD' |
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) |
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@property |
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def tags(self): |
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return git(shlex.split('tag --list')).split('\n') |
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@property |
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def versions(self): |
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versions = [] |
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for tag in self.tags: |
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try: |
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versions.append(semantic_version.Version(tag)) |
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except ValueError: |
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pass |
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return versions |
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@property |
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def latest_version(self) -> semantic_version.Version: |
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return max(self.versions) if self.versions else self.VERSION_ZERO |
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def merges_since(self, version=None): |
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if version == semantic_version.Version('0.0.0'): |
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version = self.first_commit_sha |
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revision_range = ' {}..HEAD'.format(version) if version else '' |
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merge_commits = git(shlex.split( |
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'log --oneline --merges --no-color{}'.format(revision_range) |
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)).split('\n') |
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return merge_commits |
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# TODO: pull_requests_since(version=None) |
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# TODO: cached_property |
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@property |
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def changes_since_last_version(self): |
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pull_requests = [] |
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for index, commit_msg in enumerate(self.merges_since(self.latest_version)): |
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matches = MERGED_PULL_REQUEST.findall(commit_msg) |
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if matches: |
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_, pull_request_number = matches[0] |
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pull_requests.append(PullRequest.from_github( |
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self.github_pull_request(pull_request_number) |
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)) |
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return pull_requests |
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187
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def github_pull_request(self, pr_num): |
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pull_request_api_url = uritemplate.expand( |
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GITHUB_PULL_REQUEST_API, |
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dict( |
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owner=self.owner, |
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repo=self.repo, |
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number=pr_num |
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), |
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) |
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return requests.get( |
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pull_request_api_url, |
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headers={ |
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'Authorization': 'token {}'.format(self.auth_token) |
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}, |
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).json() |
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# TODO: cached_property |
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# TODO: move to test fixture |
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def github_labels(self): |
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208
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labels_api_url = uritemplate.expand( |
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GITHUB_LABEL_API, |
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dict( |
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owner=self.owner, |
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repo=self.repo, |
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), |
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) |
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return requests.get( |
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labels_api_url, |
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headers={ |
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'Authorization': 'token {}'.format(self.auth_token) |
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}, |
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).json() |
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224
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225
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michaeljoseph /
changes
