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# Copyright 2017-present Gregory Szorc <gregory.szorc@gmail.com>
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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"""generate release notes from commit messages (EXPERIMENTAL)
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It is common to maintain files detailing changes in a project between
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releases. Maintaining these files can be difficult and time consuming.
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The :hg:`releasenotes` command provided by this extension makes the
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process simpler by automating it.
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"""
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from __future__ import absolute_import
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import difflib
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import errno
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import re
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from mercurial.i18n import _
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from mercurial import (
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config,
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error,
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minirst,
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node,
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pycompat,
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registrar,
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scmutil,
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util,
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)
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from mercurial.utils import (
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stringutil,
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)
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cmdtable = {}
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command = registrar.command(cmdtable)
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try:
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import fuzzywuzzy.fuzz as fuzz
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fuzz.token_set_ratio
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except ImportError:
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fuzz = None
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# Note for extension authors: ONLY specify testedwith = 'ships-with-hg-core' for
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# extensions which SHIP WITH MERCURIAL. Non-mainline extensions should
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# be specifying the version(s) of Mercurial they are tested with, or
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# leave the attribute unspecified.
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testedwith = 'ships-with-hg-core'
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DEFAULT_SECTIONS = [
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('feature', _('New Features')),
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('bc', _('Backwards Compatibility Changes')),
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('fix', _('Bug Fixes')),
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('perf', _('Performance Improvements')),
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('api', _('API Changes')),
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]
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RE_DIRECTIVE = re.compile(br'^\.\. ([a-zA-Z0-9_]+)::\s*([^$]+)?$')
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RE_ISSUE = br'\bissue ?[0-9]{4,6}(?![0-9])\b'
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BULLET_SECTION = _('Other Changes')
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class parsedreleasenotes(object):
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def __init__(self):
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self.sections = {}
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def __contains__(self, section):
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return section in self.sections
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def __iter__(self):
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return iter(sorted(self.sections))
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def addtitleditem(self, section, title, paragraphs):
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"""Add a titled release note entry."""
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self.sections.setdefault(section, ([], []))
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self.sections[section][0].append((title, paragraphs))
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def addnontitleditem(self, section, paragraphs):
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"""Adds a non-titled release note entry.
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Will be rendered as a bullet point.
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"""
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self.sections.setdefault(section, ([], []))
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self.sections[section][1].append(paragraphs)
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def titledforsection(self, section):
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"""Returns titled entries in a section.
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Returns a list of (title, paragraphs) tuples describing sub-sections.
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"""
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return self.sections.get(section, ([], []))[0]
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def nontitledforsection(self, section):
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"""Returns non-titled, bulleted paragraphs in a section."""
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return self.sections.get(section, ([], []))[1]
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def hastitledinsection(self, section, title):
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return any(t[0] == title for t in self.titledforsection(section))
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def merge(self, ui, other):
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"""Merge another instance into this one.
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This is used to combine multiple sources of release notes together.
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"""
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if not fuzz:
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ui.warn(_("module 'fuzzywuzzy' not found, merging of similar "
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"releasenotes is disabled\n"))
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for section in other:
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existingnotes = (
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converttitled(self.titledforsection(section)) +
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convertnontitled(self.nontitledforsection(section)))
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for title, paragraphs in other.titledforsection(section):
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if self.hastitledinsection(section, title):
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# TODO prompt for resolution if different and running in
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# interactive mode.
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ui.write(_('%s already exists in %s section; ignoring\n') %
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(title, section))
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continue
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incoming_str = converttitled([(title, paragraphs)])[0]
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if section == 'fix':
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issue = getissuenum(incoming_str)
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if issue:
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if findissue(ui, existingnotes, issue):
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continue
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if similar(ui, existingnotes, incoming_str):
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continue
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self.addtitleditem(section, title, paragraphs)
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for paragraphs in other.nontitledforsection(section):
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if paragraphs in self.nontitledforsection(section):
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continue
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incoming_str = convertnontitled([paragraphs])[0]
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if section == 'fix':
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issue = getissuenum(incoming_str)
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if issue:
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if findissue(ui, existingnotes, issue):
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continue
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if similar(ui, existingnotes, incoming_str):
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continue
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self.addnontitleditem(section, paragraphs)
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class releasenotessections(object):
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def __init__(self, ui, repo=None):
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if repo:
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sections = util.sortdict(DEFAULT_SECTIONS)
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custom_sections = getcustomadmonitions(repo)
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if custom_sections:
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sections.update(custom_sections)
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self._sections = list(sections.iteritems())
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else:
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self._sections = list(DEFAULT_SECTIONS)
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def __iter__(self):
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return iter(self._sections)
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def names(self):
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return [t[0] for t in self._sections]
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def sectionfromtitle(self, title):
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for name, value in self._sections:
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if value == title:
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return name
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return None
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def converttitled(titledparagraphs):
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"""
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Convert titled paragraphs to strings
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"""
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string_list = []
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for title, paragraphs in titledparagraphs:
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lines = []
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for para in paragraphs:
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lines.extend(para)
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string_list.append(' '.join(lines))
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return string_list
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def convertnontitled(nontitledparagraphs):
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"""
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Convert non-titled bullets to strings
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"""
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string_list = []
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for paragraphs in nontitledparagraphs:
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lines = []
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for para in paragraphs:
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lines.extend(para)
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string_list.append(' '.join(lines))
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return string_list
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def getissuenum(incoming_str):
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"""
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Returns issue number from the incoming string if it exists
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"""
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issue = re.search(RE_ISSUE, incoming_str, re.IGNORECASE)
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if issue:
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issue = issue.group()
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return issue
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def findissue(ui, existing, issue):
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"""
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Returns true if issue number already exists in notes.
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"""
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if any(issue in s for s in existing):
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ui.write(_('"%s" already exists in notes; ignoring\n') % issue)
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return True
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else:
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return False
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def similar(ui, existing, incoming_str):
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"""
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Returns true if similar note found in existing notes.
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"""
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if len(incoming_str.split()) > 10:
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merge = similaritycheck(incoming_str, existing)
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if not merge:
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ui.write(_('"%s" already exists in notes file; ignoring\n')
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% incoming_str)
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return True
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else:
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return False
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else:
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return False
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def similaritycheck(incoming_str, existingnotes):
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"""
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Returns false when note fragment can be merged to existing notes.
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"""
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# fuzzywuzzy not present
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if not fuzz:
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return True
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merge = True
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for bullet in existingnotes:
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score = fuzz.token_set_ratio(incoming_str, bullet)
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if score > 75:
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merge = False
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break
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return merge
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def getcustomadmonitions(repo):
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ctx = repo['.']
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p = config.config()
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def read(f, sections=None, remap=None):
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if f in ctx:
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data = ctx[f].data()
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p.parse(f, data, sections, remap, read)
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else:
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raise error.Abort(_(".hgreleasenotes file \'%s\' not found") %
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repo.pathto(f))
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if '.hgreleasenotes' in ctx:
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read('.hgreleasenotes')
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return p['sections']
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def checkadmonitions(ui, repo, directives, revs):
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"""
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Checks the commit messages for admonitions and their validity.
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.. abcd::
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First paragraph under this admonition
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For this commit message, using `hg releasenotes -r . --check`
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returns: Invalid admonition 'abcd' present in changeset 3ea92981e103
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As admonition 'abcd' is neither present in default nor custom admonitions
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"""
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for rev in revs:
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ctx = repo[rev]
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admonition = re.search(RE_DIRECTIVE, ctx.description())
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if admonition:
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if admonition.group(1) in directives:
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continue
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else:
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ui.write(_("Invalid admonition '%s' present in changeset %s"
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"\n") % (admonition.group(1), ctx.hex()[:12]))
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sim = lambda x: difflib.SequenceMatcher(None,
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admonition.group(1), x).ratio()
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similar = [s for s in directives if sim(s) > 0.6]
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if len(similar) == 1:
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ui.write(_("(did you mean %s?)\n") % similar[0])
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elif similar:
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ss = ", ".join(sorted(similar))
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ui.write(_("(did you mean one of %s?)\n") % ss)
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def _getadmonitionlist(ui, sections):
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for section in sections:
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ui.write("%s: %s\n" % (section[0], section[1]))
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def parsenotesfromrevisions(repo, directives, revs):
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notes = parsedreleasenotes()
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for rev in revs:
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ctx = repo[rev]
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blocks, pruned = minirst.parse(ctx.description(),
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admonitions=directives)
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for i, block in enumerate(blocks):
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if block['type'] != 'admonition':
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continue
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directive = block['admonitiontitle']
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title = block['lines'][0].strip() if block['lines'] else None
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if i + 1 == len(blocks):
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raise error.Abort(_('changeset %s: release notes directive %s '
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'lacks content') % (ctx, directive))
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# Now search ahead and find all paragraphs attached to this
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# admonition.
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paragraphs = []
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for j in range(i + 1, len(blocks)):
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pblock = blocks[j]
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# Margin blocks may appear between paragraphs. Ignore them.
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if pblock['type'] == 'margin':
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continue
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if pblock['type'] == 'admonition':
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break
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if pblock['type'] != 'paragraph':
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repo.ui.warn(_('changeset %s: unexpected block in release '
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'notes directive %s\n') % (ctx, directive))
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if pblock['indent'] > 0:
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paragraphs.append(pblock['lines'])
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else:
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break
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# TODO consider using title as paragraph for more concise notes.
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if not paragraphs:
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repo.ui.warn(_("error parsing releasenotes for revision: "
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"'%s'\n") % node.hex(ctx.node()))
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if title:
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notes.addtitleditem(directive, title, paragraphs)
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else:
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notes.addnontitleditem(directive, paragraphs)
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return notes
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def parsereleasenotesfile(sections, text):
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"""Parse text content containing generated release notes."""
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notes = parsedreleasenotes()
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blocks = minirst.parse(text)[0]
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def gatherparagraphsbullets(offset, title=False):
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notefragment = []
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for i in range(offset + 1, len(blocks)):
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block = blocks[i]
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if block['type'] == 'margin':
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continue
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elif block['type'] == 'section':
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break
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elif block['type'] == 'bullet':
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if block['indent'] != 0:
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raise error.Abort(_('indented bullet lists not supported'))
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if title:
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lines = [l[1:].strip() for l in block['lines']]
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notefragment.append(lines)
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continue
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else:
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lines = [[l[1:].strip() for l in block['lines']]]
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for block in blocks[i + 1:]:
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if block['type'] in ('bullet', 'section'):
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break
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if block['type'] == 'paragraph':
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lines.append(block['lines'])
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notefragment.append(lines)
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continue
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elif block['type'] != 'paragraph':
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raise error.Abort(_('unexpected block type in release notes: '
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'%s') % block['type'])
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if title:
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notefragment.append(block['lines'])
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return notefragment
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currentsection = None
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for i, block in enumerate(blocks):
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if block['type'] != 'section':
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continue
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title = block['lines'][0]
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# TODO the parsing around paragraphs and bullet points needs some
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# work.
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if block['underline'] == '=': # main section
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name = sections.sectionfromtitle(title)
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if not name:
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raise error.Abort(_('unknown release notes section: %s') %
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title)
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currentsection = name
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bullet_points = gatherparagraphsbullets(i)
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if bullet_points:
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for para in bullet_points:
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notes.addnontitleditem(currentsection, para)
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elif block['underline'] == '-': # sub-section
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if title == BULLET_SECTION:
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bullet_points = gatherparagraphsbullets(i)
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for para in bullet_points:
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notes.addnontitleditem(currentsection, para)
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else:
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paragraphs = gatherparagraphsbullets(i, True)
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notes.addtitleditem(currentsection, title, paragraphs)
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else:
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raise error.Abort(_('unsupported section type for %s') % title)
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return notes
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def serializenotes(sections, notes):
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"""Serialize release notes from parsed fragments and notes.
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This function essentially takes the output of ``parsenotesfromrevisions()``
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and ``parserelnotesfile()`` and produces output combining the 2.
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"""
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lines = []
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for sectionname, sectiontitle in sections:
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if sectionname not in notes:
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continue
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lines.append(sectiontitle)
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lines.append('=' * len(sectiontitle))
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lines.append('')
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# First pass to emit sub-sections.
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for title, paragraphs in notes.titledforsection(sectionname):
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lines.append(title)
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lines.append('-' * len(title))
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lines.append('')
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for i, para in enumerate(paragraphs):
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if i:
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lines.append('')
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lines.extend(stringutil.wrap(' '.join(para),
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width=78).splitlines())
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lines.append('')
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# Second pass to emit bullet list items.
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# If the section has titled and non-titled items, we can't
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# simply emit the bullet list because it would appear to come
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# from the last title/section. So, we emit a new sub-section
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# for the non-titled items.
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nontitled = notes.nontitledforsection(sectionname)
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if notes.titledforsection(sectionname) and nontitled:
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# TODO make configurable.
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lines.append(BULLET_SECTION)
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lines.append('-' * len(BULLET_SECTION))
|
|
|
lines.append('')
|
|
|
|
|
|
for paragraphs in nontitled:
|
|
|
lines.extend(stringutil.wrap(' '.join(paragraphs[0]),
|
|
|
width=78,
|
|
|
initindent='* ',
|
|
|
hangindent=' ').splitlines())
|
|
|
|
|
|
for para in paragraphs[1:]:
|
|
|
lines.append('')
|
|
|
lines.extend(stringutil.wrap(' '.join(para),
|
|
|
width=78,
|
|
|
initindent=' ',
|
|
|
hangindent=' ').splitlines())
|
|
|
|
|
|
lines.append('')
|
|
|
|
|
|
if lines and lines[-1]:
|
|
|
lines.append('')
|
|
|
|
|
|
return '\n'.join(lines)
|
|
|
|
|
|
@command('releasenotes',
|
|
|
[('r', 'rev', '', _('revisions to process for release notes'), _('REV')),
|
|
|
('c', 'check', False, _('checks for validity of admonitions (if any)'),
|
|
|
_('REV')),
|
|
|
('l', 'list', False, _('list the available admonitions with their title'),
|
|
|
None)],
|
|
|
_('hg releasenotes [-r REV] [-c] FILE'),
|
|
|
helpcategory=command.CATEGORY_CHANGE_NAVIGATION)
|
|
|
def releasenotes(ui, repo, file_=None, **opts):
|
|
|
"""parse release notes from commit messages into an output file
|
|
|
|
|
|
Given an output file and set of revisions, this command will parse commit
|
|
|
messages for release notes then add them to the output file.
|
|
|
|
|
|
Release notes are defined in commit messages as ReStructuredText
|
|
|
directives. These have the form::
|
|
|
|
|
|
.. directive:: title
|
|
|
|
|
|
content
|
|
|
|
|
|
Each ``directive`` maps to an output section in a generated release notes
|
|
|
file, which itself is ReStructuredText. For example, the ``.. feature::``
|
|
|
directive would map to a ``New Features`` section.
|
|
|
|
|
|
Release note directives can be either short-form or long-form. In short-
|
|
|
form, ``title`` is omitted and the release note is rendered as a bullet
|
|
|
list. In long form, a sub-section with the title ``title`` is added to the
|
|
|
section.
|
|
|
|
|
|
The ``FILE`` argument controls the output file to write gathered release
|
|
|
notes to. The format of the file is::
|
|
|
|
|
|
Section 1
|
|
|
=========
|
|
|
|
|
|
...
|
|
|
|
|
|
Section 2
|
|
|
=========
|
|
|
|
|
|
...
|
|
|
|
|
|
Only sections with defined release notes are emitted.
|
|
|
|
|
|
If a section only has short-form notes, it will consist of bullet list::
|
|
|
|
|
|
Section
|
|
|
=======
|
|
|
|
|
|
* Release note 1
|
|
|
* Release note 2
|
|
|
|
|
|
If a section has long-form notes, sub-sections will be emitted::
|
|
|
|
|
|
Section
|
|
|
=======
|
|
|
|
|
|
Note 1 Title
|
|
|
------------
|
|
|
|
|
|
Description of the first long-form note.
|
|
|
|
|
|
Note 2 Title
|
|
|
------------
|
|
|
|
|
|
Description of the second long-form note.
|
|
|
|
|
|
If the ``FILE`` argument points to an existing file, that file will be
|
|
|
parsed for release notes having the format that would be generated by this
|
|
|
command. The notes from the processed commit messages will be *merged*
|
|
|
into this parsed set.
|
|
|
|
|
|
During release notes merging:
|
|
|
|
|
|
* Duplicate items are automatically ignored
|
|
|
* Items that are different are automatically ignored if the similarity is
|
|
|
greater than a threshold.
|
|
|
|
|
|
This means that the release notes file can be updated independently from
|
|
|
this command and changes should not be lost when running this command on
|
|
|
that file. A particular use case for this is to tweak the wording of a
|
|
|
release note after it has been added to the release notes file.
|
|
|
|
|
|
The -c/--check option checks the commit message for invalid admonitions.
|
|
|
|
|
|
The -l/--list option, presents the user with a list of existing available
|
|
|
admonitions along with their title. This also includes the custom
|
|
|
admonitions (if any).
|
|
|
"""
|
|
|
|
|
|
opts = pycompat.byteskwargs(opts)
|
|
|
sections = releasenotessections(ui, repo)
|
|
|
|
|
|
listflag = opts.get('list')
|
|
|
|
|
|
if listflag and opts.get('rev'):
|
|
|
raise error.Abort(_('cannot use both \'--list\' and \'--rev\''))
|
|
|
if listflag and opts.get('check'):
|
|
|
raise error.Abort(_('cannot use both \'--list\' and \'--check\''))
|
|
|
|
|
|
if listflag:
|
|
|
return _getadmonitionlist(ui, sections)
|
|
|
|
|
|
rev = opts.get('rev')
|
|
|
revs = scmutil.revrange(repo, [rev or 'not public()'])
|
|
|
if opts.get('check'):
|
|
|
return checkadmonitions(ui, repo, sections.names(), revs)
|
|
|
|
|
|
incoming = parsenotesfromrevisions(repo, sections.names(), revs)
|
|
|
|
|
|
if file_ is None:
|
|
|
ui.pager('releasenotes')
|
|
|
return ui.write(serializenotes(sections, incoming))
|
|
|
|
|
|
try:
|
|
|
with open(file_, 'rb') as fh:
|
|
|
notes = parsereleasenotesfile(sections, fh.read())
|
|
|
except IOError as e:
|
|
|
if e.errno != errno.ENOENT:
|
|
|
raise
|
|
|
|
|
|
notes = parsedreleasenotes()
|
|
|
|
|
|
notes.merge(ui, incoming)
|
|
|
|
|
|
with open(file_, 'wb') as fh:
|
|
|
fh.write(serializenotes(sections, notes))
|
|
|
|
|
|
@command('debugparsereleasenotes', norepo=True)
|
|
|
def debugparsereleasenotes(ui, path, repo=None):
|
|
|
"""parse release notes and print resulting data structure"""
|
|
|
if path == '-':
|
|
|
text = pycompat.stdin.read()
|
|
|
else:
|
|
|
with open(path, 'rb') as fh:
|
|
|
text = fh.read()
|
|
|
|
|
|
sections = releasenotessections(ui, repo)
|
|
|
|
|
|
notes = parsereleasenotesfile(sections, text)
|
|
|
|
|
|
for section in notes:
|
|
|
ui.write(_('section: %s\n') % section)
|
|
|
for title, paragraphs in notes.titledforsection(section):
|
|
|
ui.write(_(' subsection: %s\n') % title)
|
|
|
for para in paragraphs:
|
|
|
ui.write(_(' paragraph: %s\n') % ' '.join(para))
|
|
|
|
|
|
for paragraphs in notes.nontitledforsection(section):
|
|
|
ui.write(_(' bullet point:\n'))
|
|
|
for para in paragraphs:
|
|
|
ui.write(_(' paragraph: %s\n') % ' '.join(para))
|
|
|
|
