Input handlers: more closing to help with windows temp files

src/filters/rcl7z

@@ -35,6 +35,7 @@ if not hasrclconfig:
 class SevenZipExtractor:
     def __init__(self, em):
         self.currentindex = 0
+        self.fp = None
         self.em = em
             
     def extractone(self, ipath):
@@ -51,6 +52,10 @@ class SevenZipExtractor:
             iseof = rclexecm.RclExecM.eofnext
         return (ok, docdata, rclexecm.makebytes(ipath), iseof)
 
+    def closefile(self):
+        if self.fp:
+            self.fp.close()
+            
     ###### File type handler api, used by rclexecm ---------->
     def openfile(self, params):
         filename = params["filename:"]
@@ -65,8 +70,8 @@ class SevenZipExtractor:
                 self.skiplist = skipped.split(" ")
 
         try:
-            fp = open(filename, 'rb')
-            self.sevenzip = Archive7z(fp)
+            self.fp = open(filename, 'rb')
+            self.sevenzip = Archive7z(self.fp)
             return True
         except Exception as err:
             self.em.rclog("openfile: failed: [%s]" % err)
@@ -90,6 +95,7 @@ class SevenZipExtractor:
             self.currentindex = 0
             self.em.setmimetype('text/plain')
             if len(self.sevenzip.getnames()) == 0:
+                self.closefile()
                 eof = rclexecm.RclExecM.eofnext
             else:
                 eof = rclexecm.RclExecM.noteof
@@ -97,6 +103,7 @@ class SevenZipExtractor:
 
         if self.currentindex >= len(self.sevenzip.getnames()):
             #self.em.rclog("getnext: EOF hit")
+            self.closefile()
             return (False, "", "", rclexecm.RclExecM.eofnow)
         else:
             entryname = self.sevenzip.getnames()[self.currentindex]
@@ -112,9 +119,13 @@ class SevenZipExtractor:
                         break
                     self.currentindex += 1
                 if entryname is None:
+                    self.closefile()
                     return (False, "", "", rclexecm.RclExecM.eofnow)
                 
-            ret= self.extractone(entryname)
+            ret = self.extractone(entryname)
+            if ret[3] == rclexecm.RclExecM.eofnext or \
+               ret[3] == rclexecm.RclExecM.eofnow:
+                self.closefile()
             self.currentindex += 1
             return ret