Export non remote server work

gns3server/controller/project.py

@@ -20,6 +20,8 @@ import json
 import asyncio
 import aiohttp
 import shutil
+import zipstream
+import zipfile
 
 from uuid import UUID, uuid4
 
@@ -426,6 +428,96 @@ class Project:
                 drawing = yield from self.add_drawing(**drawing_data)
         self._status = "opened"
 
+    def export(self, include_images=False):
+        """
+        Export the project as zip. It's a ZipStream object.
+        The file will be read chunk by chunk when you iterate on
+        the zip.
+
+        It will ignore some files like snapshots and
+
+        :returns: ZipStream object
+        """
+        z = zipstream.ZipFile()
+        for root, dirs, files in os.walk(self._path, topdown=True):
+            # Remove snapshots and capture
+            if os.path.split(root)[-1:][0] == "project-files":
+                dirs[:] = [d for d in dirs if d not in ("snapshots", "tmp")]
+
+            # Ignore log files and OS noise
+            files = [f for f in files if not f.endswith('_log.txt') and not f.endswith('.log') and f != '.DS_Store']
+
+            for file in files:
+                path = os.path.join(root, file)
+                # Try open the file
+                try:
+                    open(path).close()
+                except OSError as e:
+                    msg = "Could not export file {}: {}".format(path, e)
+                    log.warn(msg)
+                    self.emit("log.warning", {"message": msg})
+                    continue
+            # We rename the .gns3 project.gns3 to avoid the task to the client to guess the file name
+            if file.endswith(".gns3"):
+                self._export_project_file(path, z, include_images)
+            else:
+                z.write(path, os.path.relpath(path, self._path), compress_type=zipfile.ZIP_DEFLATED)
+        return z
+
+    def _export_project_file(self, path, z, include_images):
+        """
+        Take a project file (.gns3) and patch it for the export
+
+        :param path: Path of the .gns3
+        """
+
+        # Image file that we need to include in the exported archive
+        images = set()
+
+        with open(path) as f:
+            topology = json.load(f)
+        if "topology" in topology and "nodes" in topology["topology"]:
+            for node in topology["topology"]["nodes"]:
+                if "properties" in node and node["node_type"] != "Docker":
+                    for prop, value in node["properties"].items():
+                        if prop.endswith("image"):
+                            node["properties"][prop] = os.path.basename(value)
+                            if include_images is True:
+                                images.append(value)
+
+        for image in images:
+            self._export_images(image, z)
+        z.writestr("project.gns3", json.dumps(topology).encode())
+
+    def _export_images(self, image, z):
+        """
+        Take a project file (.gns3) and export images to the zip
+
+        :param image: Image path
+        :param z: Zipfile instance for the export
+        """
+        from ..compute import MODULES
+
+        for module in MODULES:
+            try:
+                img_directory = module.instance().get_images_directory()
+            except NotImplementedError:
+                # Some modules don't have images
+                continue
+
+            directory = os.path.split(img_directory)[-1:][0]
+
+            if os.path.exists(image):
+                path = image
+            else:
+                path = os.path.join(img_directory, image)
+
+            # FIXME: av
+            if os.path.exists(path):
+                arcname = os.path.join("images", directory, os.path.basename(image))
+                z.write(path, arcname)
+                break
+
     def dump(self):
         """
         Dump topology to disk