changeset 158:f905f45c457e

moved diff libs to vcs. updated htmls and css for diff and source
author Marcin Kuzminski <marcin@python-works.com>
date Mon, 17 May 2010 01:51:47 +0200
parents a72fb7d330bd
children 96285f905073
files pylons_app/controllers/files.py pylons_app/lib/differ.py pylons_app/public/css/diff.css pylons_app/public/css/pygments.css pylons_app/templates/files/file_diff.html pylons_app/templates/files/files_source.html
diffstat 6 files changed, 21 insertions(+), 251 deletions(-) [+]
line wrap: on
line diff
--- a/pylons_app/controllers/files.py	Sun May 16 19:00:21 2010 +0200
+++ b/pylons_app/controllers/files.py	Mon May 17 01:51:47 2010 +0200
@@ -6,8 +6,7 @@
 from pylons_app.lib.base import BaseController, render
 from pylons_app.lib.utils import get_repo_slug
 from pylons_app.model.hg_model import HgModel
-from difflib import unified_diff
-from pylons_app.lib.differ import render_udiff
+from vcs.utils import diffs as differ
 from vcs.exceptions import RepositoryError, ChangesetError
         
 log = logging.getLogger(__name__)
@@ -83,21 +82,14 @@
         c.repo = hg_model.get_repo(c.repo_name)
         c.changeset_1 = c.repo.get_changeset(diff1)
         c.changeset_2 = c.repo.get_changeset(diff2)
-        f1 = c.changeset_1.get_node(f_path)
-        f2 = c.changeset_2.get_node(f_path)
 
         c.diff1 = 'r%s:%s' % (c.changeset_1.revision, c.changeset_1._short)
         c.diff2 = 'r%s:%s' % (c.changeset_2.revision, c.changeset_2._short)
-
-        f_udiff = unified_diff(f1.content.splitlines(True),
-                               f2.content.splitlines(True),
-                               f1.name,
-                               f2.name)
+        
         
-        c.diff_files = render_udiff(udiff=f_udiff, differ='difflib')
-        print c.diff_files
-        if len(c.diff_files) < 1:
-            c.no_changes = True
+        f_udiff = differ.get_udiff(c.changeset_1.get_node(f_path),
+                            c.changeset_2.get_node(f_path))
+        c.differ = differ.DiffProcessor(f_udiff)
         return render('files/file_diff.html')
     
     def _get_history(self, repo, node, f_path):
--- a/pylons_app/lib/differ.py	Sun May 16 19:00:21 2010 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,216 +0,0 @@
-# -*- coding: utf-8 -*-
-# original copyright: 2007-2008 by Armin Ronacher
-# licensed under the BSD license.
-
-import re, difflib
-
-def render_udiff(udiff, differ='udiff'):
-    """Renders the udiff into multiple chunks of nice looking tables.
-    The return value is a list of those tables.
-    """
-    return DiffProcessor(udiff, differ).prepare()
-
-class DiffProcessor(object):
-    """Give it a unified diff and it returns a list of the files that were
-    mentioned in the diff together with a dict of meta information that
-    can be used to render it in a HTML template.
-    """
-    _chunk_re = re.compile(r'@@ -(\d+)(?:,(\d+))? \+(\d+)(?:,(\d+))? @@(.*)')
-
-    def __init__(self, udiff, differ):
-        """
-        :param udiff:   a text in udiff format
-        """
-        if isinstance(udiff, basestring):
-            udiff = udiff.splitlines(1)
-        
-        self.lines = map(self.escaper, udiff)
-        
-        # Select a differ.
-        if differ == 'difflib':
-            self.differ = self._highlight_line_difflib
-        else:
-            self.differ = self._highlight_line_udiff
-            
-
-    def escaper(self, string):
-        return string.replace('<', '&lt;').replace('>', '&gt;')
-
-    def _extract_rev(self, line1, line2):
-        """Extract the filename and revision hint from a line."""
-        try:
-            if line1.startswith('--- ') and line2.startswith('+++ '):
-                l1 = line1[4:].split(None, 1)
-                old_filename = l1[0] if len(l1) >= 1 else None
-                old_rev = l1[1] if len(l1) == 2 else 'old'
-                
-                l2 = line1[4:].split(None, 1)
-                new_filename = l2[0] if len(l2) >= 1 else None
-                new_rev = l2[1] if len(l2) == 2 else 'new'
-                                 
-                return old_filename, new_rev, old_rev
-        except (ValueError, IndexError):
-            pass
-        
-        return None, None, None
-
-    def _highlight_line_difflib(self, line, next):
-        """Highlight inline changes in both lines."""
-        
-        if line['action'] == 'del':
-            old, new = line, next
-        else:
-            old, new = next, line
-        
-        oldwords = re.split(r'(\W)', old['line'])
-        newwords = re.split(r'(\W)', new['line'])
-        
-        sequence = difflib.SequenceMatcher(None, oldwords, newwords)
-        
-        oldfragments, newfragments = [], []
-        for tag, i1, i2, j1, j2 in sequence.get_opcodes():
-            oldfrag = ''.join(oldwords[i1:i2])
-            newfrag = ''.join(newwords[j1:j2])
-            if tag != 'equal':
-                if oldfrag:
-                    oldfrag = '<del>%s</del>' % oldfrag
-                if newfrag:
-                    newfrag = '<ins>%s</ins>' % newfrag
-            oldfragments.append(oldfrag)
-            newfragments.append(newfrag)
-        
-        old['line'] = "".join(oldfragments)
-        new['line'] = "".join(newfragments)
-
-    def _highlight_line_udiff(self, line, next):
-        """Highlight inline changes in both lines."""
-        start = 0
-        limit = min(len(line['line']), len(next['line']))
-        while start < limit and line['line'][start] == next['line'][start]:
-            start += 1
-        end = -1
-        limit -= start
-        while - end <= limit and line['line'][end] == next['line'][end]:
-            end -= 1
-        end += 1
-        if start or end:
-            def do(l):
-                last = end + len(l['line'])
-                if l['action'] == 'add':
-                    tag = 'ins'
-                else:
-                    tag = 'del'
-                l['line'] = '%s<%s>%s</%s>%s' % (
-                    l['line'][:start],
-                    tag,
-                    l['line'][start:last],
-                    tag,
-                    l['line'][last:]
-                )
-            do(line)
-            do(next)
-
-    def _parse_udiff(self):
-        """Parse the diff an return data for the template."""
-        lineiter = iter(self.lines)
-        files = []
-        try:
-            line = lineiter.next()
-            while 1:
-                # continue until we found the old file
-                if not line.startswith('--- '):
-                    line = lineiter.next()
-                    continue
-
-                chunks = []
-                filename, old_rev, new_rev = \
-                    self._extract_rev(line, lineiter.next())
-                files.append({
-                    'filename':         filename,
-                    'old_revision':     old_rev,
-                    'new_revision':     new_rev,
-                    'chunks':           chunks
-                })
-
-                line = lineiter.next()
-                while line:
-                    match = self._chunk_re.match(line)
-                    if not match:
-                        break
-
-                    lines = []
-                    chunks.append(lines)
-
-                    old_line, old_end, new_line, new_end = \
-                        [int(x or 1) for x in match.groups()[:-1]]
-                    old_line -= 1
-                    new_line -= 1
-                    context = match.groups()[-1]
-                    old_end += old_line
-                    new_end += new_line
-
-                    if context:
-                        lines.append({
-                            'old_lineno': None,
-                            'new_lineno': None,
-                            'action': 'context',
-                            'line': line,
-                        })
-
-                    line = lineiter.next()
-
-                    while old_line < old_end or new_line < new_end:
-                        if line:
-                            command, line = line[0], line[1:]
-                        else:
-                            command = ' '
-                        affects_old = affects_new = False
-
-                        # ignore those if we don't expect them
-                        if command in '#@':
-                            continue
-                        elif command == '+':
-                            affects_new = True
-                            action = 'add'
-                        elif command == '-':
-                            affects_old = True
-                            action = 'del'
-                        else:
-                            affects_old = affects_new = True
-                            action = 'unmod'
-
-                        old_line += affects_old
-                        new_line += affects_new
-                        lines.append({
-                            'old_lineno':   affects_old and old_line or '',
-                            'new_lineno':   affects_new and new_line or '',
-                            'action':       action,
-                            'line':         line
-                        })
-                        line = lineiter.next()
-
-        except StopIteration:
-            pass
-
-        # highlight inline changes
-        for file in files:
-            for chunk in chunks:
-                lineiter = iter(chunk)
-                first = True
-                try:
-                    while 1:
-                        line = lineiter.next()
-                        if line['action'] != 'unmod':
-                            nextline = lineiter.next()
-                            if nextline['action'] == 'unmod' or \
-                               nextline['action'] == line['action']:
-                                continue
-                            self.differ(line, nextline)
-                except StopIteration:
-                    pass
-
-        return files
-
-    def prepare(self):
-        """Prepare the passed udiff for HTML rendering."""
-        return self._parse_udiff()
--- a/pylons_app/public/css/diff.css	Sun May 16 19:00:21 2010 +0200
+++ b/pylons_app/public/css/diff.css	Mon May 17 01:51:47 2010 +0200
@@ -24,6 +24,14 @@
 
 .code-difftable{
 	border-collapse: collapse;
+	width: 99%;
+}
+.code-difftable td:target *{
+	background:  repeat scroll 0 0 #FFFFBE !important;
+	text-decoration: underline;
+}
+.code-difftable .context{
+	background:none repeat scroll 0 0 #DDE7EF;
 }
 .code-difftable .add{
 	background:none repeat scroll 0 0 #DDFFDD;
--- a/pylons_app/public/css/pygments.css	Sun May 16 19:00:21 2010 +0200
+++ b/pylons_app/public/css/pygments.css	Mon May 17 01:51:47 2010 +0200
@@ -14,10 +14,14 @@
 	color:blue;
 	padding:10px 0 10px 0;
 }
-div.codeblock .code-header span{
+div.codeblock .code-header .revision{
 	margin-left:25px;
 	font-weight: bold;
 }
+div.codeblock .code-header .commit{
+	margin-left:25px;
+	font-weight: normal;
+}
 
 .code-highlight {
     padding: 0px;
--- a/pylons_app/templates/files/file_diff.html	Sun May 16 19:00:21 2010 +0200
+++ b/pylons_app/templates/files/file_diff.html	Mon May 17 01:51:47 2010 +0200
@@ -34,25 +34,7 @@
  			%if c.no_changes:
             	${_('No changes')}
             %else:        
-	            <table class='code-difftable'>
-	            %for diff in c.diff_files:
-		            %for x in diff['chunks']:
-		                %for y in x:
-		                    <tr class="line ${y['action']}">
-		                        <td id="#${diff['filename']}_O${y['old_lineno']}" class="lineno old">
-		                              <pre><a href="#${diff['filename']}_O${y['old_lineno']}">${y['old_lineno']}</a></pre>
-		                        </td>		                    
-		                        <td id="#${diff['filename']}_N${y['new_lineno']}"class="lineno new">
-		                              <pre><a href="#${diff['filename']}_N${y['new_lineno']}">${y['new_lineno']}</a></pre>
-		                        </td>                        
-		                       <td class="code">
-		                           <pre>${y['line']|n}</pre>
-		                       </td>
-		                    </tr>
-		                %endfor$
-		            %endfor
-		        %endfor
-	            </table>
+				${c.differ.as_HTML()|n}
             %endif
 	</div>
 </div>
--- a/pylons_app/templates/files/files_source.html	Sun May 16 19:00:21 2010 +0200
+++ b/pylons_app/templates/files/files_source.html	Mon May 17 01:51:47 2010 +0200
@@ -17,8 +17,8 @@
 </dl>		
 <div id="body" class="codeblock">
 	<div class="code-header">
-		<span>${c.files_list.name}@r${c.files_list.last_changeset.revision}:${c.files_list.last_changeset._short}</span>
-		 <span style="font-size:70%">"${c.file_msg}"</span>
+		<div class="revision">${c.files_list.name}@r${c.files_list.last_changeset.revision}:${c.files_list.last_changeset._short}</div>
+		<div class="commit" style="font-size:70%">"${c.file_msg}"</div>
 	</div>
 	<div class="code-body">
 		${h.pygmentize(c.files_list.content,linenos=True,anchorlinenos=True,cssclass="code-highlight")}