Feature: move annotations from one tag to another

app/svganim/strokes.py

@@ -522,6 +522,8 @@ class AnnotationIndex:
                 Drawing(fn, self.metadata_dir, self.drawing_dir) for fn in self.get_drawing_filenames()
             ]
         }
+
+        self.root_tag = getRootTag()
         self.shelve['_tags'] = {tag.id: [] for tag in self.root_tag.descendants}
         self.shelve['_annotations'] = {}
 

app/webserver.py

@@ -2,6 +2,7 @@ import json
 import logging
 import os
 import shutil
+from urllib.error import HTTPError
 import tornado.ioloop
 import tornado.web
 import tornado.websocket
@@ -12,6 +13,7 @@ import html
 import argparse
 import coloredlogs
 import glob
+import filelock
 import svganim.strokes
 import svganim.uimethods
 
@@ -411,6 +413,41 @@ class AnnotationHandler(tornado.web.RequestHandler):
                 "audio": f"/annotation/{annotation.id}.mp3",
             }))
     
+    def post(self, annotation_id):
+        """change tag for given annotation"""
+        if annotation_id not in self.index.annotations:
+            raise tornado.web.HTTPError(404)
+        
+        # might be set on file level, but let's try to avoid issues by keeping it simple
+        lock = filelock.FileLock("metadata_write.lock", timeout=10)
+        with lock:
+            newTagId = self.get_argument('tag_id')
+            if not self.index.has_tag(newTagId):
+                raise tornado.web.HTTPError(400)
+            
+            annotation: svganim.strokes.Annotation = self.index.annotations[annotation_id]
+
+            logger.info(f"change tag from {annotation.tag} to {newTagId}")
+            
+            # change metadata and reload index
+            metadata = annotation.drawing.get_metadata()
+            change = False
+            for idx, ann in enumerate(metadata['annotations']):
+                if ann['t_in'] == annotation.t_in and ann['t_out'] == annotation.t_out and annotation.tag == ann['tag']:
+                    #found!?
+                    metadata['annotations'][idx]['tag'] = newTagId
+                    change = True
+                    break
+            
+            if change == False:
+                raise HTTPError(409)
+            
+            with open(annotation.drawing.metadata_fn, "w") as fp:
+                logger.info(f"save tag in {annotation.drawing.metadata_fn}")
+                json.dump(metadata, fp)
+
+            self.index.refresh()
+
 
 class DrawingHandler(tornado.web.RequestHandler):
     """Get drawing as svg"""
@@ -545,6 +582,9 @@ class TagsHandler(tornado.web.RequestHandler):
         with open('www/tags.json', 'w') as fp:
             fp.write(newTagsContent)
         
+        # update as to load new tag into cache
+        self.index.refresh()
+
         self.set_status(204)
         # print()
         

app/www/annotations.js

@@ -301,9 +301,23 @@ class AnnotationManager {
         this.saveTags();
     }
 
-    moveSelectedAnnotations(tag) {
+    async moveSelectedAnnotations(tag) {
         // TODO: add button for this
-        alert(`This doesn't work yet! (move to tag ${tag.get_name()})`)
+        // alert(`This doesn't work yet! (move to tag ${tag.get_name()})`)
+ 
+        await Promise.all(this.selectedAnnotations.map(async (annotation) => {
+            const formData = new FormData();
+            formData.append('tag_id', tag.id)
+            return await fetch('/annotation/'+annotation.id, {
+                method: 'POST',
+                // headers: {
+                //     'Content-Type': 'application/json'
+                // },
+                body: formData //JSON.stringify({'tag_id': tag.id})
+            }).catch((e) => alert('Something went wrong saving the tags'));
+          }));
+        
+        this.loadAnnotationsForTag(this.selectedTag)
     }
 
     async saveTags() {

poetry.lock

@@ -2,7 +2,7 @@
 name = "anytree"
 version = "2.8.0"
 description = "Powerful and Lightweight Python Tree Data Structure.."
-category = "main"
+category = "dev"
 optional = false
 python-versions = "*"
 
@@ -27,6 +27,18 @@ humanfriendly = ">=9.1"
 [package.extras]
 cron = ["capturer (>=2.4)"]
 
+[[package]]
+name = "filelock"
+version = "3.7.1"
+description = "A platform independent file lock."
+category = "main"
+optional = false
+python-versions = ">=3.7"
+
+[package.extras]
+docs = ["furo (>=2021.8.17b43)", "sphinx (>=4.1)", "sphinx-autodoc-typehints (>=1.12)"]
+testing = ["covdefaults (>=1.2.0)", "coverage (>=4)", "pytest (>=4)", "pytest-cov", "pytest-timeout (>=1.4.2)"]
+
 [[package]]
 name = "humanfriendly"
 version = "10.0"
@@ -58,7 +70,7 @@ python-versions = "*"
 name = "six"
 version = "1.16.0"
 description = "Python 2 and 3 compatibility utilities"
-category = "main"
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*"
 
@@ -81,7 +93,7 @@ python-versions = ">= 3.5"
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.9"
-content-hash = "1ad87cd5b37157a20ee2ec8f23d84b0275ca9f3aa3218c98eb18859d43aa5080"
+content-hash = "11298c8670e03d4235a76555b1ca7e6cbf0740041f14c14fdf409f633e197bf5"
 
 [metadata.files]
 anytree = [
@@ -92,6 +104,10 @@ coloredlogs = [
     {file = "coloredlogs-15.0.1-py2.py3-none-any.whl", hash = "sha256:612ee75c546f53e92e70049c9dbfcc18c935a2b9a53b66085ce9ef6a6e5c0934"},
     {file = "coloredlogs-15.0.1.tar.gz", hash = "sha256:7c991aa71a4577af2f82600d8f8f3a89f936baeaf9b50a9c197da014e5bf16b0"},
 ]
+filelock = [
+    {file = "filelock-3.7.1-py3-none-any.whl", hash = "sha256:37def7b658813cda163b56fc564cdc75e86d338246458c4c28ae84cabefa2404"},
+    {file = "filelock-3.7.1.tar.gz", hash = "sha256:3a0fd85166ad9dbab54c9aec96737b744106dc5f15c0b09a6744a445299fcf04"},
+]
 humanfriendly = [
     {file = "humanfriendly-10.0-py2.py3-none-any.whl", hash = "sha256:1697e1a8a8f550fd43c2865cd84542fc175a61dcb779b6fee18cf6b6ccba1477"},
     {file = "humanfriendly-10.0.tar.gz", hash = "sha256:6b0b831ce8f15f7300721aa49829fc4e83921a9a301cc7f606be6686a2288ddc"},

pyproject.toml

@@ -11,6 +11,7 @@ coloredlogs = "^15.0.1"
 pydub = "^0.25.1"
 svgwrite = "^1.4.1"
 anytree = "^2.8.0"
+filelock = "^3.7.1"
 
 [tool.poetry.dev-dependencies]