new methods: cvs-rev-view and cvs-date-view

--HG--
branch : pmacs2

method/cvs.py

@@ -279,3 +279,44 @@ class CvsBlame2(CvsBlame):
     def _get_cmd(self, w, **vargs):
         path = self._get_path(w, **vargs)
         return ("/usr/bin/cvs", 'annotate', '-r', vargs['revision'], path)
+
+class CvsRevView(Method):
+    '''show blame output for the current version in CVS'''
+    args = [arg("revision", t=type(""), p="Revision: ", h="revision number")]
+    def _get_path(self, w, **vargs):
+        cwd = os.getcwd() + os.path.sep
+        path = w.buffer.path
+        if path.startswith(cwd):
+            path = path[len(cwd):]
+        return path
+
+    def _get_cmd(self, w, **vargs):
+        path = self._get_path(w, **vargs)
+        return ("/usr/bin/cvs", 'up', '-p', '-r', vargs['revision'], path)
+
+    def _get_name(self, w, **vargs):
+        return '*CVS:%s-%s' % (w.buffer.name(), vargs['revision'])
+
+    def _execute(self, w, **vargs):
+        if not hasattr(w.buffer, 'path'):
+            w.set_error("Buffer has no corresponding file")
+            return
+
+        cmd    = self._get_cmd(w, **vargs)
+        pipe   = Popen(cmd, stdout=PIPE, stderr=PIPE)
+        name   = self._get_name(w, **vargs)
+        data   = pipe.stdout.read()
+        status = pipe.wait() >> 8
+        mname  = w.mode.name.lower()
+
+        w.application.data_buffer(name, data, switch_to=True, modename=mname)
+
+class CvsDateView(CvsRevView):
+    '''show blame output for the current version in CVS'''
+    args = [arg("date", t=type(""), p="Date: ", h="date specifier")]
+    def _get_cmd(self, w, **vargs):
+        path = self._get_path(w, **vargs)
+        return ("/usr/bin/cvs", 'up', '-p', '-D', vargs['date'], path)
+
+    def _get_name(self, w, **vargs):
+        return '*CVS:%s-%s' % (w.buffer.name(), vargs['date'])