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# filedata.py - generate displayable file data
#
# Copyright 2011 Steve Borho <steve@borho.org>
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2, incorporated herein by reference.
import os
from mercurial import error, match, patch, util, mdiff
from mercurial import ui as uimod
from tortoisehg.util import hglib, patchctx
from tortoisehg.hgqt.i18n import _
class FileData(object):
def __init__(self, ctx, ctx2, wfile, status=None):
self.contents = None
self.ucontents = None
self.error = None
self.olddata = None
self.diff = None
self.flabel = u''
self.elabel = u''
try:
self.readStatus(ctx, ctx2, wfile, status)
except (EnvironmentError, error.LookupError), e:
self.error = hglib.tounicode(str(e))
def checkMaxDiff(self, ctx, wfile, maxdiff=None):
p = _('File or diffs not displayed: ')
try:
fctx = ctx.filectx(wfile)
if ctx.rev() is None:
size = fctx.size()
else:
# fctx.size() can read all data into memory in rename cases so
# we read the size directly from the filelog, this is deeper
# under the API than I prefer to go, but seems necessary
size = fctx._filelog.rawsize(fctx.filerev())
except (EnvironmentError, error.LookupError), e:
self.error = p + hglib.tounicode(str(e))
return None
if size > maxdiff:
self.error = p + _('File is larger than the specified max size.\n'
'maxdiff = %s KB') % (maxdiff // 1024)
return None
try:
data = fctx.data()
if '\0' in data:
self.error = p + _('File is binary.\n')
return None
except (EnvironmentError, util.Abort), e:
self.error = p + hglib.tounicode(str(e))
return None
return fctx, data
def isValid(self):
return self.error is None
def readStatus(self, ctx, ctx2, wfile, status):
def getstatus(repo, n1, n2, wfile):
m = match.exact(repo.root, repo.getcwd(), [wfile])
modified, added, removed = repo.status(n1, n2, match=m)[:3]
if wfile in modified:
return 'M'
if wfile in added:
return 'A'
if wfile in removed:
return 'R'
if wfile in ctx:
return 'C'
return None
repo = ctx._repo
self.flabel += u'<b>%s</b>' % hglib.tounicode(wfile)
if isinstance(ctx, patchctx.patchctx):
self.diff = ctx.thgmqpatchdata(wfile)
flags = ctx.flags(wfile)
if flags in ('x', '-'):
lbl = _("exec mode has been <font color='red'>%s</font>")
change = (flags == 'x') and _('set') or _('unset')
self.elabel = lbl % change
elif flags == 'l':
self.flabel += _(' <i>(is a symlink)</i>')
return
if ctx2:
# If a revision to compare to was provided, we must put it in
# the context of the subrepo as well
if ctx2._repo.root != ctx._repo.root:
wsub2, wfileinsub2, sctx2 = \
hglib.getDeepestSubrepoContainingFile(wfile, ctx2)
if wsub2:
ctx2 = sctx2
absfile = repo.wjoin(wfile)
if (wfile in ctx and 'l' in ctx.flags(wfile)) or \
os.path.islink(absfile):
if wfile in ctx:
data = ctx[wfile].data()
else:
data = os.readlink(absfile)
self.contents = data
self.flabel += _(' <i>(is a symlink)</i>')
return
if status is None:
status = getstatus(repo, ctx.p1().node(), ctx.node(), wfile)
if ctx2 is None:
ctx2 = ctx.p1()
if status == 'S':
try:
from mercurial import subrepo, commands
def genSubrepoRevChangedDescription(subrelpath, sfrom, sto, repo):
"""Generate a subrepository revision change description"""
out = []
def getLog(_ui, srepo, opts):
_ui.pushbuffer()
try:
commands.log(_ui, srepo, **opts)
logOutput = _ui.popbuffer()
except error.ParseError, e:
# Some mercurial versions have a bug that results in
# saving a subrepo node id in the .hgsubstate file
# which ends with a "+" character. If that is the
# case, add a warning to the output, but try to
# get the revision information anyway
logOutput = ''
for n, rev in enumerate(opts['rev']):
if rev.endswith('+'):
logOutput += _('[WARNING] Invalid subrepo '
'revision ID:\n\t%s\n\n') % rev
opts['rev'][n] = rev[:-1]
commands.log(_ui, srepo, **opts)
logOutput += _ui.popbuffer()
return logOutput
opts = {'date':None, 'user':None, 'rev':[sfrom]}
subabspath = os.path.join(repo.root, subrelpath)
missingsub = not os.path.isdir(subabspath)
incompletesub = False
sfromlog = ''
def isinitialrevision(rev):
return all([el == '0' for el in rev])
if isinitialrevision(sfrom):
sfrom = ''
if isinitialrevision(sto):
sto = ''
if not sfrom and not sto:
sstatedesc = 'new'
out.append(_('Subrepo created and set to initial revision.') + u'\n\n')
return out, sstatedesc
elif not sfrom:
sstatedesc = 'new'
out.append(_('Subrepo initialized to revision:') + u'\n\n')
elif not sto:
sstatedesc = 'removed'
out.append(_('Subrepo removed from repository.') + u'\n\n')
return out, sstatedesc
elif sfrom == sto:
sstatedesc = 'unchanged'
out.append(_('Subrepo was not changed.') + u'\n\n')
out.append(_('Subrepo state is:') + u'\n\n')
if missingsub:
out.append(_('changeset: %s') % sfrom + u'\n')
else:
out.append(hglib.tounicode(getLog(_ui, srepo, opts)))
return out, sstatedesc
else:
sstatedesc = 'changed'
out.append(_('Revision has changed to:') + u'\n\n')
if missingsub:
sfromlog = _('changeset: %s') % sfrom + u'\n\n'
else:
sfromlog = hglib.tounicode(getLog(_ui, srepo, opts))
if not sfromlog:
incompletesub = True
sfromlog = _('changeset: %s') % sfrom + u'\n\n'
sfromlog = _('From:') + u'\n' + sfromlog
if missingsub:
stolog = _('changeset: %s') % sto + '\n\n'
sfromlog += _('Subrepository not found in the working '
'directory.') + '\n'
sfromlog += _('Further subrepository revision '
'information cannot be retrieved.') + '\n'
elif incompletesub:
stolog = _('changeset: %s') % sto + '\n\n'
sfromlog += _('Subrepository is either damaged or '
'missing some revisions') + '\n'
sfromlog += _('Further subrepository revision '
'information cannot be retrieved.') + '\n'
sfromlog += _('You may need to open the missing '
'subrepository and manually\n'
'pull the missing revisions from its '
'source repository.') + '\n'
else:
opts['rev'] = [sto]
stolog = getLog(_ui, srepo, opts)
if not stolog:
stolog = _('Initial revision') + u'\n'
out.append(hglib.tounicode(stolog))
if sfromlog:
out.append(hglib.tounicode(sfromlog))
return out, sstatedesc
srev = ctx.substate.get(wfile, subrepo.nullstate)[1]
srepo = None
try:
subabspath = os.path.join(ctx._repo.root, wfile)
if not os.path.isdir(subabspath):
sactual = ''
else:
sub = ctx.sub(wfile)
if isinstance(sub, subrepo.hgsubrepo):
srepo = sub._repo
sactual = srepo['.'].hex()
else:
self.error = _('Not a Mercurial subrepo, not previewable')
return
except (util.Abort), e:
sactual = ''
out = []
_ui = uimod.ui()
if srepo is None or ctx.rev() is not None:
data = []
else:
_ui.pushbuffer()
commands.status(_ui, srepo)
data = _ui.popbuffer()
if data:
out.append(_('File Status:') + u'\n')
out.append(hglib.tounicode(data))
out.append(u'\n')
sstatedesc = 'changed'
if ctx.rev() is not None:
sparent = ctx.p1().substate.get(wfile, subrepo.nullstate)[1]
subrepochange, sstatedesc = \
genSubrepoRevChangedDescription(wfile,
sparent, srev, ctx._repo)
out += subrepochange
else:
sstatedesc = 'dirty'
if srev != sactual:
subrepochange, sstatedesc = \
genSubrepoRevChangedDescription(wfile,
srev, sactual, ctx._repo)
out += subrepochange
if data:
sstatedesc += ' and dirty'
elif srev and not sactual:
sstatedesc = 'removed'
self.ucontents = u''.join(out).strip()
lbl = {
'changed': _('(is a changed sub-repository)'),
'unchanged': _('(is an unchanged sub-repository)'),
'dirty': _('(is a dirty sub-repository)'),
'new': _('(is a new sub-repository)'),
'removed': _('(is a removed sub-repository)'),
'changed and dirty': _('(is a changed and dirty sub-repository)'),
'new and dirty': _('(is a new and dirty sub-repository)')
}[sstatedesc]
self.flabel += ' <i>' + lbl + '</i>'
if sactual:
lbl = _(' <a href="subrepo:%s">open...</a>')
self.flabel += lbl % hglib.tounicode(srepo.root)
except (EnvironmentError, error.RepoError, util.Abort), e:
self.error = _('Error previewing subrepo: %s') % \
hglib.tounicode(str(e))
return
# TODO: elif check if a subdirectory (for manifest tool)
maxdiff = repo.maxdiff
mde = _('File or diffs not displayed: '
'File is larger than the specified max size.\n'
'maxdiff = %s KB') % (maxdiff // 1024)
if status in ('R', '!'):
if wfile in ctx.p1():
fctx = ctx.p1()[wfile]
if fctx._filelog.rawsize(fctx.filerev()) > maxdiff:
self.error = mde
else:
olddata = fctx.data()
if '\0' in olddata:
self.error = 'binary file'
else:
self.contents = olddata
self.flabel += _(' <i>(was deleted)</i>')
else:
self.flabel += _(' <i>(was added, now missing)</i>')
return
if status in ('I', '?', 'C'):
if ctx.rev() is None:
if status in ('I', '?'):
self.flabel += _(' <i>(is unversioned)</i>')
if os.path.getsize(absfile) > maxdiff:
self.error = mde
return
else:
data = util.posixfile(absfile, 'r').read()
else:
data = ctx.filectx(wfile).data()
if '\0' in data:
self.error = 'binary file'
else:
self.contents = data
return
if status in ('M', 'A'):
res = self.checkMaxDiff(ctx, wfile, maxdiff)
if res is None:
if status == 'A':
self.flabel += _(' <i>(was added)</i>')
return
fctx, newdata = res
self.contents = newdata
change = None
for pfctx in fctx.parents():
if 'x' in fctx.flags() and 'x' not in pfctx.flags():
change = _('set')
elif 'x' not in fctx.flags() and 'x' in pfctx.flags():
change = _('unset')
if change:
lbl = _("exec mode has been <font color='red'>%s</font>")
self.elabel = lbl % change
if status == 'A':
renamed = fctx.renamed()
if not renamed:
self.flabel += _(' <i>(was added)</i>')
return
oldname, node = renamed
fr = hglib.tounicode(oldname)
self.flabel += _(' <i>(renamed from %s)</i>') % fr
olddata = repo.filectx(oldname, fileid=node).data()
elif status == 'M':
if wfile not in ctx2:
# merge situation where file was added in other branch
self.flabel += _(' <i>(was added)</i>')
return
oldname = wfile
olddata = ctx2[wfile].data()
else:
return
self.olddata = olddata
newdate = util.datestr(ctx.date())
olddate = util.datestr(ctx2.date())
revs = [str(ctx), str(ctx2)]
diffopts = patch.diffopts(repo.ui, {})
diffopts.git = False
self.diff = mdiff.unidiff(olddata, olddate, newdata, newdate,
oldname, wfile, revs, diffopts)
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