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annotate.py
177 lines | 6.9 KiB | text/x-python | PythonLexer
Added VCS into rhodecode core for faster and easier deployments of new versions
r2007 from rhodecode.lib.vcs.exceptions import VCSError
from rhodecode.lib.vcs.nodes import FileNode
from pygments.formatters import HtmlFormatter
from pygments import highlight
import StringIO
def annotate_highlight(filenode, annotate_from_changeset_func=None,
order=None, headers=None, **options):
"""
Returns html portion containing annotated table with 3 columns: line
numbers, changeset information and pygmentized line of code.
:param filenode: FileNode object
:param annotate_from_changeset_func: function taking changeset and
returning single annotate cell; needs break line at the end
:param order: ordered sequence of ``ls`` (line numbers column),
``annotate`` (annotate column), ``code`` (code column); Default is
``['ls', 'annotate', 'code']``
:param headers: dictionary with headers (keys are whats in ``order``
parameter)
"""
options['linenos'] = True
formatter = AnnotateHtmlFormatter(filenode=filenode, order=order,
headers=headers,
annotate_from_changeset_func=annotate_from_changeset_func, **options)
lexer = filenode.lexer
highlighted = highlight(filenode.content, lexer, formatter)
return highlighted
class AnnotateHtmlFormatter(HtmlFormatter):
def __init__(self, filenode, annotate_from_changeset_func=None,
order=None, **options):
"""
If ``annotate_from_changeset_func`` is passed it should be a function
which returns string from the given changeset. For example, we may pass
following function as ``annotate_from_changeset_func``::
def changeset_to_anchor(changeset):
return '<a href="/changesets/%s/">%s</a>\n' %\
(changeset.id, changeset.id)
:param annotate_from_changeset_func: see above
:param order: (default: ``['ls', 'annotate', 'code']``); order of
columns;
:param options: standard pygment's HtmlFormatter options, there is
extra option tough, ``headers``. For instance we can pass::
formatter = AnnotateHtmlFormatter(filenode, headers={
'ls': '#',
'annotate': 'Annotate',
'code': 'Code',
})
"""
super(AnnotateHtmlFormatter, self).__init__(**options)
self.annotate_from_changeset_func = annotate_from_changeset_func
self.order = order or ('ls', 'annotate', 'code')
headers = options.pop('headers', None)
if headers and not ('ls' in headers and 'annotate' in headers and
'code' in headers):
raise ValueError("If headers option dict is specified it must "
"all 'ls', 'annotate' and 'code' keys")
self.headers = headers
if isinstance(filenode, FileNode):
self.filenode = filenode
else:
raise VCSError("This formatter expect FileNode parameter, not %r"
% type(filenode))
def annotate_from_changeset(self, changeset):
"""
Returns full html line for single changeset per annotated line.
"""
if self.annotate_from_changeset_func:
return self.annotate_from_changeset_func(changeset)
else:
return ''.join((changeset.id, '\n'))
def _wrap_tablelinenos(self, inner):
dummyoutfile = StringIO.StringIO()
lncount = 0
for t, line in inner:
if t:
lncount += 1
dummyoutfile.write(line)
fl = self.linenostart
mw = len(str(lncount + fl - 1))
sp = self.linenospecial
st = self.linenostep
la = self.lineanchors
aln = self.anchorlinenos
if sp:
lines = []
for i in range(fl, fl + lncount):
if i % st == 0:
if i % sp == 0:
if aln:
lines.append('<a href="#%s-%d" class="special">'
'%*d</a>' %
(la, i, mw, i))
else:
lines.append('<span class="special">'
'%*d</span>' % (mw, i))
else:
if aln:
lines.append('<a href="#%s-%d">'
'%*d</a>' % (la, i, mw, i))
else:
lines.append('%*d' % (mw, i))
else:
lines.append('')
ls = '\n'.join(lines)
else:
lines = []
for i in range(fl, fl + lncount):
if i % st == 0:
if aln:
lines.append('<a href="#%s-%d">%*d</a>' \
% (la, i, mw, i))
else:
lines.append('%*d' % (mw, i))
else:
lines.append('')
ls = '\n'.join(lines)
annotate_changesets = [tup[1] for tup in self.filenode.annotate]
# If pygments cropped last lines break we need do that too
ln_cs = len(annotate_changesets)
ln_ = len(ls.splitlines())
if ln_cs > ln_:
annotate_changesets = annotate_changesets[:ln_ - ln_cs]
annotate = ''.join((self.annotate_from_changeset(changeset)
for changeset in annotate_changesets))
# in case you wonder about the seemingly redundant <div> here:
# since the content in the other cell also is wrapped in a div,
# some browsers in some configurations seem to mess up the formatting.
'''
yield 0, ('<table class="%stable">' % self.cssclass +
'<tr><td class="linenos"><div class="linenodiv"><pre>' +
ls + '</pre></div></td>' +
'<td class="code">')
yield 0, dummyoutfile.getvalue()
yield 0, '</td></tr></table>'
'''
headers_row = []
if self.headers:
headers_row = ['<tr class="annotate-header">']
for key in self.order:
td = ''.join(('<td>', self.headers[key], '</td>'))
headers_row.append(td)
headers_row.append('</tr>')
body_row_start = ['<tr>']
for key in self.order:
if key == 'ls':
body_row_start.append(
'<td class="linenos"><div class="linenodiv"><pre>' +
ls + '</pre></div></td>')
elif key == 'annotate':
body_row_start.append(
'<td class="annotate"><div class="annotatediv"><pre>' +
annotate + '</pre></div></td>')
elif key == 'code':
body_row_start.append('<td class="code">')
yield 0, ('<table class="%stable">' % self.cssclass +
''.join(headers_row) +
''.join(body_row_start)
)
yield 0, dummyoutfile.getvalue()
yield 0, '</td></tr></table>'