created svn-log and fixed method help for search-insert-*

--HG--
branch : pmacs2

method/svn.py

@@ -77,6 +77,48 @@ class SvnStatus(Method):
             raise Exception, '%r %r' % (fields, data[6:])
 
         w.set_error('%s  %s  %s/%s  [%s]' % (filename, status, rrev, lrev, lauthor))
+
+class SvnLog(Method):
+    '''display the SVN log for the current file'''
+    sep_re = re.compile('^-+$')
+    # 2007-10-15 14:32:29 -0400 (Mon, 15 Oct 2007)
+    log_re = re.compile('(.+?) \| (.+?) \| (.{25}) .+? \| (.+)$')
+    def _build_entry(self, log_line, mesg_lines):
+        log_data = '[c:d:*]%s  [g:d:*]%s  [b:d:*]%s  [c:d:*]%s' % log_line
+        mesg_data = '\n'.join(mesg_lines).strip()
+        if mesg_data:
+            mesg_data += '\n'
+        return '[b:d:*]' + log_data + '\n' + mesg_data
+    def _execute(self, w, **vargs):
+        cmd = "svn log %r" % w.buffer.path
+        (status, data) = commands.getstatusoutput(cmd)
+
+        entries = []
+        log_line, mesg_lines = None, []
+        for line in data.split('\n'):
+            if self.sep_re.match(line):
+                if log_line is not None:
+                    entries.append(self._build_entry(log_line, mesg_lines))
+                    log_line   = None
+            else:
+                m = self.log_re.match(line)
+                if m:
+                    log_line   = m.groups()
+                    mesg_lines = []
+                else:
+                    assert log_line is not None, '%r %r' % (entries, line)
+                    mesg_lines.append(line)
+        data2 = ''.join(entries)
+
+        if status == 0 and data:
+            w.application.color_data_buffer("*Log*", data2, switch_to=True)
+            w.set_error("%s: logfile" % self.name)
+        elif status == 0:
+            w.set_error("%s: There was no data" % self.name)
+        else:
+            w.set_error("%s: There was an error (%s)" % (self.name, status))
+        
+
 class SvnDiff(Method):
     '''diff the current file with the version in SVN'''
     def _execute(self, w, **vargs):

mode/search.py

@@ -115,7 +115,7 @@ class InsertSearchString(method.Method):
         self.name = 'insert-search-string-%s' % (s)
         self.string = s
         self.args = []
-        self.help = None
+        self.help = ''
     def execute(self, w, **vargs):
         w.insert_string_at_cursor(self.string)
         s = w.buffer.make_string()