Changeset 2454 for package_branches/invirt-web/cherrypy/code/ajaxterm.py

Timestamp:

Aug 21, 2009, 12:42:41 PM (15 years ago)

Author:

quentin

Message:

Use browser-based dupe suppression, so multiple clients can connect to the same terminal and not miss updates

File:

• package_branches/invirt-web/cherrypy/code/ajaxterm.py (modified) (5 diffs)

package_branches/invirt-web/cherrypy/code/ajaxterm.py

@@ -3 +3 @@
 """ Ajaxterm """
 
-import array,cgi,fcntl,glob,mimetypes,optparse,os,pty,random,re,signal,select,sys,threading,time,termios,struct,pwd
+import array,cgi,fcntl,glob,hashlib,mimetypes,optparse,os,pty,random,re,signal,select,sys,threading,time,termios,struct,pwd
 
 os.chdir(os.path.normpath(os.path.dirname(__file__)))
@@ -101 +101 @@
                 self.buf=""
                 self.outbuf=""
-                self.last_html=""
         def peek(self,y1,x1,y2,x2):
                 return self.scr[self.width*y1+x1:self.width*y2+x2]
@@ -321 +320 @@
         def dumplatin1(self):
                 return self.dump().translate(self.trl1)
-        def dumphtml(self,color=1,force=False):
+        def dumphtml(self,color=1,last_hash=None):
                 h=self.height
                 w=self.width
@@ -343 +342 @@
                         if i%w==w-1:
                                 span+='\n'
-                r='<?xml version="1.0" encoding="ISO-8859-1"?><pre class="term">%s</pre>'%r
-                if self.last_html==r and not force:
+                hash = hashlib.md5(r).hexdigest()
+                r='<?xml version="1.0" encoding="ISO-8859-1"?><pre class="term" id="%s">%s</pre>'% (hash,r)
+                if last_hash == hash:
                         return '<?xml version="1.0"?><idem></idem>'
                 else:
-                        self.last_html=r
-#                       print self
                         return r
         def __repr__(self):
@@ -437 +435 @@
                 except (IOError,OSError):
                         self.proc_kill(fd)
-        def dump(self,fd,color=1,force=False):
+        def dump(self,fd,color=1,last_hash=None):
                 try:
-                        return self.proc[fd]['term'].dumphtml(color, force)
+                        return self.proc[fd]['term'].dumphtml(color, last_hash)
                 except KeyError:
                         return False