Macro Gallery du wiki

darcs-hash:20071209153226-d0547-cb4042d5bacaef59768fd65d3911d814d4b005bc.gz

wiki/macro/Gallery.py

@@ -2,7 +2,7 @@
 """
     Gallery.py  Version 0.87
     This macro creates dynamic tabulated displays based on attachment contents
-                                                                                                           
+
     @copyright: 2004,2005 by Simon Ryan <simon<at>smartblackbox.com>  http://smartblackbox.com/simon
     @license: GPL
 
@@ -50,7 +50,7 @@
 """
 
 __author__ = "Simon D. Ryan"
-__version__ = "0.86"
+__version__ = "0.87"
 
 from MoinMoin import config, wikiutil
 import string, cStringIO, os
@@ -118,7 +118,8 @@ def navibar(target,querystring):
     # Returns a navigational bar with PREV,THUMBS,NEXT
     positions=Globs.originals.keys()
     positions.sort()
-    thumbs='<a href="'+Globs.subname+'">THUMBS</a>'
+    # Append the action to the end of the URLS. This allows us to keep modes such as action=print
+    thumbs='<a href="'+Globs.subname+'?'+Globs.bcomp+'">THUMBS</a>'
     index=positions.index(target)
     back,forward='',''
     if not index==0:
@@ -133,9 +134,10 @@ def toolbar(target,naillevel):
     if Globs.admin:
 	rotateleft='<input type="submit" name="rotate" value="rotate left">'
 	rotateright='<input type="submit" name="rotate" value="rotate right">'
+	deleteitem='<input type="submit" name="delete" value="delete">'
 	htarget='<input type=hidden value="'+target+'" name="'+naillevel+'">'
 	compat='<input type=hidden value="show" name="action">'
-	return '<form METHOD=POST><table><tr><td>'+rotateleft+'</td><td>'+rotateright+'</td></tr></table>\n'+htarget+compat+'</form>'
+	return '<form METHOD=POST><table><tr><td>'+rotateleft+'</td><td>'+rotateright+'</td><td>'+deleteitem+'</td></tr></table>\n'+htarget+compat+'</form>'
     else:
         return ''
 
@@ -250,6 +252,44 @@ def buildnails(items):
         open(Globs.attachmentdir+'/delete.me.to.regenerate.thumbnails.and.webnails','w').close()
 
 
+def deletefromdisk(target):
+    # Rotate the images
+    # Don't go further if there is a lock in place
+    if os.path.isfile(Globs.attachmentdir+'/tmp.lock'):
+        message("I'm currently busy generating thumbnails and webnails. Please try your delete request again later.",0)
+	return ''
+    # Ok do the actual delete 
+    if 1:
+        # Delete first the temp dir webnail and thumbnail
+	try:
+	    os.unlink(Globs.gallerytempdir+'/tmp.webnail.'+target+'.jpg')
+	except:
+	    pass
+	try:
+	    os.unlink(Globs.gallerytempdir+'/tmp.thumbnail.'+target+'.jpg')
+	except:
+	    pass
+	try:
+	    os.unlink(Globs.gallerytempdir+'/tmp.rotated.'+target+'.jpg')
+	except:
+	    pass
+
+	# Now delete the original (except we actually just move it to /tmp) 
+	# TODO: insert a random number in the destination filename to cope with deleting files with same name
+	origfn=Globs.originals[target]
+	try:
+	    #shutil.copy(Globs.attachmentdir+'/'+origfn,'/tmp/deleted.'+origfn)
+	    shutil.copy(Globs.attachmentdir+'/'+origfn,'/tmp/'+origfn)
+	    os.unlink(Globs.attachmentdir+'/'+origfn)
+	except:
+	    pass
+	try:
+	    #shutil.copy(Globs.attachmentdir+'/tmp.annotation.'+target+'.txt','/tmp/deleted.tmp.annotation.'+target+'.txt')
+	    shutil.copy(Globs.attachmentdir+'/tmp.annotation.'+target+'.txt','/tmp/tmp.annotation.'+target+'.txt')
+	    os.unlink(Globs.attachmentdir+'/tmp.annotation.'+target+'.txt')
+	except:
+	    pass
+
 def rotate(target,direction):
     # Rotate the images
     # Don't go further if there is a lock in place
@@ -278,11 +318,12 @@ def rotate(target,direction):
     if not Globs.convertbin == 'Image':
 	convout=commands.getoutput(Globs.convertbin+' -rotate '+degs+' "'+Globs.gallerytempdir+'/tmp.webnail.'+target+'.jpg"')
 	convout=commands.getoutput(Globs.convertbin+' -rotate '+degs+' "'+Globs.gallerytempdir+'/tmp.thumbnail.'+target+'.jpg"')
-	if not os.path.isfile(Globs.gallerytempdir+'/tmp.rotated.'+target+'.jpg'):
-	    # Generate from original
-	    pathtooriginal=Globs.attachmentdir+'/'+Globs.originals[target]
-	    shutil.copy(pathtooriginal,Globs.gallerytempdir+'/tmp.rotated.'+target+'.jpg')
-	convout=commands.getoutput(Globs.convertbin+' -rotate '+degs+' "'+Globs.gallerytempdir+'/tmp.rotated.'+target+'.jpg"')
+	# Don't bother rotating the original. Since we don't want to reduce its quality incase it is used for printing
+	#if not os.path.isfile(Globs.gallerytempdir+'/tmp.rotated.'+target+'.jpg'):
+	#    # Generate from original
+	#    pathtooriginal=Globs.attachmentdir+'/'+Globs.originals[target]
+	#    shutil.copy(pathtooriginal,Globs.gallerytempdir+'/tmp.rotated.'+target+'.jpg')
+	#convout=commands.getoutput(Globs.convertbin+' -rotate '+degs+' "'+Globs.gallerytempdir+'/tmp.rotated.'+target+'.jpg"')
     else:
 	# Use PIL  (strip off the "")
 	if direction=='rotate right':
@@ -308,7 +349,10 @@ def getannotation(target):
     # Annotations are stored as a file for now (later to be stored in images)
     atext=''
     if Globs.annotated.has_key(target):
-	atext=open(Globs.attachmentdir+'/tmp.annotation.'+target+'.txt').readline()
+        try:
+	    atext=open(Globs.attachmentdir+'/tmp.annotation.'+target+'.txt').readline()
+	except:
+	    atext=''
 	message('was annotated')
     else:
 	message('was not annotated')
@@ -405,8 +449,6 @@ def execute(macro, args):
     tleft='<table><tr><td><center>'
     tmidd='</center></td><td><center>'
     trigh='</center></td></tr></table>\n'
-    # Add this to the end of each URL to keep some versions of moinmoin happy 
-    Globs.bcomp='&action=show'
 
     # Process any form items into a dictionary (values become unique)
     for item in macro.form.items():
@@ -418,6 +460,16 @@ def execute(macro, args):
 	    except AttributeError:
 	        pass
 
+    # Add this to the end of each URL to keep some versions of moinmoin happy 
+    if formvals.has_key('action'):
+        if formvals['action']=='content':
+	    # translate content action to print action for now
+	    Globs.bcomp='&action=print'
+	else:
+	    Globs.bcomp='&action='+formvals['action']
+    else:
+	Globs.bcomp='&action=show'
+
     # Figure out if we have delete privs
     try:
         # If a user can delete the page containing the Gallery, then they are considered a Gallery administrator
@@ -445,7 +497,11 @@ def execute(macro, args):
 		for component in spagename:
 		    compbit=compbit+'/'+component
                     try:
-		        os.mkdir(Globs.gallerytempdirroot+compbit)
+			# The following line stops an exception being raised when trying
+			# to create a directory that already exists (thanks Magnus Wahrenberg)
+			if not os.access(Globs.gallerytempdirroot+compbit, os.F_OK):
+			    os.mkdir(Globs.gallerytempdirroot+compbit)
+
                     except:
 			message('Please check permissions on temp dir:'+Globs.gallerytempdirroot,0)
 			return macro.formatter.rawHTML(
@@ -540,7 +596,6 @@ def execute(macro, args):
 	    target=formvals['target']
 	    # Write an annotation file
 	    atext=string.replace(formvals['annotate'],'"','&quot;')
-	    target=formvals['target']
 	    ouf=open(Globs.attachmentdir+'/tmp.annotation.'+target+'.txt','w')
 	    ouf.write(atext)
 	    ouf.close()
@@ -556,11 +611,15 @@ def execute(macro, args):
 	rotend=''
 	if Globs.originals.has_key(target):
 	    out.write(navibar(target,'webnail'))
+	    out.write(toolbar(target,'webnail'))
 	    if formvals.has_key('rotate'):
 		direction=formvals['rotate']
 		message(direction)
 		rotate(target,direction)
 		rotend=Globs.galleryrotchar+'rot='+repr(randint(1,10000))
+	    if formvals.has_key('delete'):
+	        message('Deleted <i>'+target+'</i>',0)
+	        deletefromdisk(target)
 	    # Put things in a table
 	    out.write(tleft)
 	    # Lets build up an image tag
@@ -582,7 +641,7 @@ def execute(macro, args):
 	    else:
 		out.write(atext)
 	    out.write(trigh)
-	    out.write(toolbar(target,'webnail'))
+	    #out.write(toolbar(target,'webnail'))
 
 	else:
 	    message('I do not have file: '+target,0)