review/extension_ui.py @ f284aeed0fd5

Add the basic usage doc.
author Steve Losh <steve@stevelosh.com>
date Sat, 10 Oct 2009 19:10:44 -0400
parents 8d14fdcfb92d
children 1ed53449d650
"""The review extension's command-line UI.

This module is imported in __init__.py so that Mercurial will add the
review command to its own UI when you add the extension in ~/.hgrc.

"""

import operator, os
import messages
from api import *
from mercurial import templatefilters, util
from mercurial.node import short


def _init_command(ui, repo, **opts):
    ui.note(messages.INIT_START)
    try:
        ReviewDatastore(ui, repo, lpath=opts.pop('local_path'),
            rpath=opts.pop('remote_path'), create=True)
        ui.status(messages.INIT_SUCCESS)
        return
    except PreexistingDatastore, e:
        if e.committed:
            ui.note(messages.INIT_EXISTS_COMMITTED)
        else:
            raise util.Abort(messages.INIT_EXISTS_UNCOMMITTED)

def _comment_command(ui, repo, *fnames, **opts):
    rev = opts.pop('rev')
    message = opts.pop('message')
    lines = opts.pop('lines')
    
    rd = ReviewDatastore(ui, repo)
    rcset = rd[rev]
    
    if lines and not len(fnames) == 1:
        raise util.Abort(messages.COMMENT_LINES_REQUIRE_FILE)
    
    if not message:
        raise util.Abort(messages.COMMENT_REQUIRES_MESSAGE)
    
    if lines:
        lines=lines.split(',')
    
    if fnames:
        fnames = map(lambda f: sanitize_path(f, repo), fnames)
    else:
        fnames = ['']
    
    for fn in fnames:
        try:
            rcset.add_comment(message=message, filename=fn, lines=lines)
        except FileNotInChangeset:
            raise util.Abort(
                messages.COMMENT_FILE_DOES_NOT_EXIST % (fn, repo[rev].rev())
            )

def _signoff_command(ui, repo, **opts):
    rd = ReviewDatastore(ui, repo)
    rcset = rd[opts.pop('rev')]
    message = opts.pop('message')
    
    if not message:
        raise util.Abort(messages.SIGNOFF_REQUIRES_MESSAGE)
    
    yes, no = opts.pop('yes'), opts.pop('no')
    if yes and no:
        raise util.Abort(messages.SIGNOFF_OPINION_CONFLICT)
    opinion = 'yes' if yes else ('no' if no else '')
    
    try:
        rcset.add_signoff(message=message, opinion=opinion,
            force=opts.pop('force'))
    except SignoffExists:
        raise util.Abort(messages.SIGNOFF_EXISTS)

def _review_command(ui, repo, *fnames, **opts):
    rev = opts.pop('rev')
    context = int(opts.pop('unified'))
    
    rd = ReviewDatastore(ui, repo)
    cset = repo[rev]
    rcset = rd[rev]
    
    comment_count = len(rcset.comments)
    author_count = len(set(comment.author for comment in rcset.comments))
    
    ui.write(messages.REVIEW_LOG_CSET % (cset.rev(), short(cset.node())))
    ui.write(messages.REVIEW_LOG_AUTHOR % cset.user())
    ui.write(messages.REVIEW_LOG_SUMMARY % cset.description().split('\n')[0])
    
    signoffs = rcset.signoffs
    signoffs_yes = filter(lambda s: s.opinion == 'yes', signoffs)
    signoffs_no = filter(lambda s: s.opinion == 'no', signoffs)
    signoffs_neutral = set(signoffs).difference(signoffs_yes + signoffs_no)
    
    ui.write(messages.REVIEW_LOG_SIGNOFFS % (
        len(signoffs), len(signoffs_yes), len(signoffs_no), len(signoffs_neutral))
    )
    ui.write(messages.REVIEW_LOG_COMMENTS % (comment_count, author_count))
    
    def _print_comment(comment, before='', after=''):
        ui.write(before)
        
        author = templatefilters.person(comment.author)
        author_part = messages.REVIEW_LOG_COMMENT_AUTHOR % author
        
        age = templatefilters.age(comment.hgdate)
        age_part = messages.REVIEW_LOG_AGE % age 
        
        spacing = ' ' * (80 - (len(author_part) + len(age_part)))
        
        ui.write(author_part + spacing + age_part + '\n')
        for line in comment.message.splitlines():
            ui.write(messages.REVIEW_LOG_COMMENT_LINE % line)
        
        ui.write(after)
    
    def _print_signoff(signoff, before='', after=''):
        ui.write(before)
        
        author = templatefilters.person(signoff.author)
        opinion = signoff.opinion or 'neutral'
        author_part = messages.REVIEW_LOG_SIGNOFF_AUTHOR % (author, opinion)
        
        age = templatefilters.age(signoff.hgdate)
        age_part = messages.REVIEW_LOG_AGE % age
        
        spacing = ' ' * (80 - (len(author_part) + len(age_part)))
        
        ui.write(author_part + spacing + age_part + '\n')
        for line in signoff.message.splitlines():
            ui.write(messages.REVIEW_LOG_SIGNOFF_LINE % line)
        
        ui.write(after)
    
    if rcset.signoffs:
        ui.write('\n')
    for signoff in rcset.signoffs:
        _print_signoff(signoff, before='\n')
        
    review_level_comments = filter(lambda c: not c.filename, rcset.comments)
    if review_level_comments:
        ui.write('\n')
    for comment in review_level_comments:
        _print_comment(comment, before='\n')
    
    if ui.quiet:
        return
    
    fnames = [sanitize_path(fname, repo) for fname in fnames]
    diffs = rcset.diffs(fnames, context)
    
    for filename, diff in diffs.iteritems():
        max_line = diff['max']
        content = diff['content']
        
        header = messages.REVIEW_LOG_FILE_HEADER % filename
        print '\n\n%s %s' % (header, '-'*(80-(len(header)+1)))
        
        file_level_comments = filter(
            lambda c: filename == c.filename and not c.lines, rcset.comments
        )
        for comment in file_level_comments:
            _print_comment(comment)
        
        line_level_comments = filter(
            lambda c: filename == c.filename and c.lines, rcset.comments
        )
        prefix = '%%%dd: ' % len(str(content[-1][0]))
        previous_n = -1
        for n, line in content:
            if n - 1 > previous_n:
                skipped = n - previous_n
                if previous_n == -1:
                    skipped -= 1
                ui.write(messages.REVIEW_LOG_SKIPPED % skipped)
                skipped_comments = filter(
                    lambda c: max(c.lines) in range(previous_n + 1, n),
                    line_level_comments
                )
                for comment in skipped_comments:
                    _print_comment(comment)
            
            ui.write('%s %s\n' % (prefix % n, line))
            
            line_comments = filter(
                lambda c: max(c.lines) == n, line_level_comments
            )
            for comment in line_comments:
                _print_comment(comment)
            
            previous_n = n
        
        if previous_n < max_line:
            skipped = max_line - previous_n
            ui.write(messages.REVIEW_LOG_SKIPPED % skipped)
    


def review(ui, repo, *fnames, **opts):
    """code review changesets in the current repository
    
    To start using the review extension with a repository, you need to
    initialize the code review data:
    
        hg help review-init
    
    Once you've initialized it (and cloned the review data repo to a
    place where others can get to it), you can start reviewing changesets.
    
    See the following help topics if you want to use the command-line
    interface:
    
        hg help review-review
        hg help review-comment
        hg help review-signoff
    
    Once you've reviewed some changesets, don't forget to push your
    comments and signoffs so other people can view them.
    
    """
    if opts.pop('init'):
        return _init_command(ui, repo, **opts)
    elif opts.pop('comment'):
        return _comment_command(ui, repo, *fnames, **opts)
    elif opts.pop('signoff'):
        return _signoff_command(ui, repo, **opts)
    else:
        return _review_command(ui, repo, *fnames, **opts)


cmdtable = {
    'review': (review, [
        ('i', 'init',        False, 'start code reviewing this repository'),
        ('',  'local-path',  '',    'the local path to the code review data'),
        ('',  'remote-path', '',    'the remote path to code review data'),
        ('c', 'comment',     False, 'add a comment'),
        ('s', 'signoff',     False, 'sign off'),
        ('',  'yes',         False, 'sign off as stating the changeset is good'),
        ('',  'no',          False, 'sign off as stating the changeset is bad'),
        ('m', 'message',     '',    'use <text> as the comment or signoff message'),
        ('',  'force',       False, 'overwrite an existing signoff'),
        ('r', 'rev',         '.',   'the revision to review'),
        ('l', 'lines',       '',    'the line(s) of the file to comment on'),
        ('U', 'unified',     '5',   'number of lines of context to show'),
    ],
    'hg review')
}