Support data export

doccano_client/clients/data_export.py

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+from __future__ import annotations
+
+from typing import Any, Iterator, List
+
+from doccano_client.client import DoccanoClient
+from doccano_client.models.data_export import Option
+
+
+class DataExportClient:
+    """Client for interacting with the Doccano data export API"""
+
+    def __init__(self, client: DoccanoClient):
+        self._client = client
+
+    def list_options(self, project_id: int) -> List[Option]:
+        """Return all download options
+
+        Args:
+            project_id (int): The id of the project
+
+        Returns:
+            List[Option]: The list of the download options.
+        """
+        resource = f"projects/{project_id}/download-format"
+        response = self._client.get(resource)
+        options = [Option.parse_obj(label) for label in response.json()]
+        return options
+
+    def schedule_download(self, project_id: int, option: Option, only_approved=False) -> str:
+        """Schedule a download
+
+        Args:
+            project_id (int): The id of the project
+            option (Option): The download option
+            only_approved (bool): Whether to export approved data only
+
+        Returns:
+            str: The celery task id
+        """
+        resource = f"projects/{project_id}/download"
+        data = {"format": option.name, "exportApproved": only_approved}
+        response = self._client.post(resource, json=data)
+        task_id = response.json()["task_id"]
+        return task_id
+
+    def download(self, project_id: int, task_id: str) -> Iterator[Any]:
+        """Download a file from the server
+
+        Args:
+            project_id (int): The id of the project
+            task_id (str): The celery task id
+
+        Yields:
+            Iterator[Any]: The file content
+        """
+        resource = f"projects/{project_id}/download"
+        params = {"taskId": task_id}
+        response = self._client.get(resource, params=params, stream=True)
+        yield from response.iter_content(chunk_size=65536)

doccano_client/models/data_export.py

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+from pydantic import BaseModel
+
+
+class Option(BaseModel):
+    name: str
+    example: str = ""

tests/clients/test_data_export.py

@@ -0,0 +1,46 @@
+import pathlib
+import time
+
+import vcr
+
+from doccano_client.client import DoccanoClient
+from doccano_client.clients.data_export import DataExportClient
+from doccano_client.models.data_export import Option
+from tests.conftest import cassettes_path
+
+
+class TestDataExportClient:
+    @classmethod
+    def setup_class(cls):
+        with vcr.use_cassette(str(cassettes_path / "data_export/login.yaml"), mode="once"):
+            client = DoccanoClient("http://localhost:8000")
+            client.login(username="admin", password="password")
+        cls.client = DataExportClient(client)
+        cls.project_id = 16
+
+    def test_list_options(self):
+        with vcr.use_cassette(str(cassettes_path / "data_export/options.yaml"), mode="once"):
+            response = self.client.list_options(self.project_id)
+        assert len(response) > 0
+        assert all(isinstance(option, Option) for option in response)
+
+    def test_schedule_download(self):
+        with vcr.use_cassette(str(cassettes_path / "data_export/schedule_download.yaml"), mode="once"):
+            option = Option(name="JSONL")
+            task_id = self.client.schedule_download(self.project_id, option)
+        assert task_id is not None
+        assert isinstance(task_id, str)
+
+    def test_download(self):
+        with vcr.use_cassette(str(cassettes_path / "data_export/download.yaml"), mode="once"):
+            option = Option(name="JSONL")
+            task_id = self.client.schedule_download(self.project_id, option)
+            time.sleep(10)  # lazy work
+            chunks = self.client.download(self.project_id, task_id)
+            file = pathlib.Path(__file__).parent / "data/annotation.zip"
+            with file.open("wb") as f:
+                for chunk in chunks:
+                    f.write(chunk)
+            assert file.exists()
+            assert file.stat().st_size > 0
+            file.unlink()

tests/fixtures/cassettes/data_export/download.yaml

@@ -0,0 +1,113 @@
+interactions:
+- request:
+    body: '{"format": "JSONL", "exportApproved": false}'
+    headers:
+      Accept-Encoding:
+      - gzip, deflate
+      Connection:
+      - keep-alive
+      Content-Length:
+      - '44'
+      Cookie:
+      - csrftoken=FEvkld0o1MszakkYc27mcoDrcTxNvA0J9jjIzKW6OMzkxS0Zar9aK0aeOk3iALkQ;
+        sessionid=rmbx2nr20xbrk8ofdi9u4ocgai6bze9g
+      User-Agent:
+      - python-requests/2.28.1
+      X-CSRFToken:
+      - FEvkld0o1MszakkYc27mcoDrcTxNvA0J9jjIzKW6OMzkxS0Zar9aK0aeOk3iALkQ
+      accept:
+      - application/json
+      content-type:
+      - application/json
+      referer:
+      - http://localhost:8000
+    method: POST
+    uri: http://localhost:8000/v1/projects/16/download
+  response:
+    body:
+      string: '{"task_id":"775c0bde-3ee5-4e19-b9cd-6f4d53c3c120"}'
+    headers:
+      Allow:
+      - GET, POST, HEAD, OPTIONS
+      Connection:
+      - close
+      Content-Length:
+      - '50'
+      Content-Type:
+      - application/json
+      Cross-Origin-Opener-Policy:
+      - same-origin
+      Date:
+      - Sun, 02 Oct 2022 07:57:46 GMT
+      Referrer-Policy:
+      - same-origin
+      Server:
+      - gunicorn
+      Vary:
+      - Accept, Origin, Cookie
+      X-Content-Type-Options:
+      - nosniff
+      X-Frame-Options:
+      - DENY
+    status:
+      code: 200
+      message: OK
+- request:
+    body: null
+    headers:
+      Accept-Encoding:
+      - gzip, deflate
+      Connection:
+      - keep-alive
+      Cookie:
+      - csrftoken=FEvkld0o1MszakkYc27mcoDrcTxNvA0J9jjIzKW6OMzkxS0Zar9aK0aeOk3iALkQ;
+        sessionid=rmbx2nr20xbrk8ofdi9u4ocgai6bze9g
+      User-Agent:
+      - python-requests/2.28.1
+      X-CSRFToken:
+      - FEvkld0o1MszakkYc27mcoDrcTxNvA0J9jjIzKW6OMzkxS0Zar9aK0aeOk3iALkQ
+      accept:
+      - application/json
+      content-type:
+      - application/json
+      referer:
+      - http://localhost:8000
+    method: GET
+    uri: http://localhost:8000/v1/projects/16/download?taskId=775c0bde-3ee5-4e19-b9cd-6f4d53c3c120
+  response:
+    body:
+      string: !!binary |
+        UEsDBBQAAAAIADc/QlW3l8FGmgAAAGsCAAALAAAAYWRtaW4uanNvbmytzTELwjAQhuHdn/HNGdRW
+        q9lsXdzcS4eIRwkmaSFRC6X/3WCxaEGpkOnuOHjeFvIMvojnScTgqHHgflgHBiVOpMDzgiGrtCbj
+        bH89H343V6UYNDnR792sHbQ4qLYKqq2DasmgUSN0rWg3RcxRV1Y6eSMUL7nFXV7kUZR02Hu7e69s
+        xpX0zwqDoVL8Ci4/gttxMJsU/GJH3n4AUEsBAhQDFAAAAAgANz9CVbeXwUaaAAAAawIAAAsAAAAA
+        AAAAAAAAAKSBAAAAAGFkbWluLmpzb25sUEsFBgAAAAABAAEAOQAAAMMAAAAAAA==
+    headers:
+      Allow:
+      - GET, POST, HEAD, OPTIONS
+      Connection:
+      - close
+      Content-Disposition:
+      - attachment; filename="169be049-d9b1-4882-a974-cd8625adcd67.zip"
+      Content-Length:
+      - '274'
+      Content-Type:
+      - application/zip
+      Cross-Origin-Opener-Policy:
+      - same-origin
+      Date:
+      - Sun, 02 Oct 2022 07:57:56 GMT
+      Referrer-Policy:
+      - same-origin
+      Server:
+      - gunicorn
+      Vary:
+      - Accept, Origin, Cookie
+      X-Content-Type-Options:
+      - nosniff
+      X-Frame-Options:
+      - DENY
+    status:
+      code: 200
+      message: OK
+version: 1

tests/fixtures/cassettes/data_export/login.yaml

@@ -0,0 +1,55 @@
+interactions:
+- request:
+    body: '{"username": "admin", "password": "password"}'
+    headers:
+      Accept-Encoding:
+      - gzip, deflate
+      Connection:
+      - keep-alive
+      Content-Length:
+      - '45'
+      User-Agent:
+      - python-requests/2.28.1
+      accept:
+      - application/json
+      content-type:
+      - application/json
+      referer:
+      - http://localhost:8000
+    method: POST
+    uri: http://localhost:8000/v1/auth/login/
+  response:
+    body:
+      string: '{"key":"b37c59f6e0db6bf8a829858ce925b9c2b4d7b03d"}'
+    headers:
+      Allow:
+      - POST, OPTIONS
+      Connection:
+      - close
+      Content-Length:
+      - '50'
+      Content-Type:
+      - application/json
+      Cross-Origin-Opener-Policy:
+      - same-origin
+      Date:
+      - Sun, 02 Oct 2022 07:53:26 GMT
+      Referrer-Policy:
+      - same-origin
+      Server:
+      - gunicorn
+      Set-Cookie:
+      - csrftoken=FEvkld0o1MszakkYc27mcoDrcTxNvA0J9jjIzKW6OMzkxS0Zar9aK0aeOk3iALkQ;
+        expires=Sun, 01 Oct 2023 07:53:26 GMT; Max-Age=31449600; Path=/; SameSite=Lax
+      - sessionid=rmbx2nr20xbrk8ofdi9u4ocgai6bze9g; expires=Sun, 16 Oct 2022 07:53:26
+        GMT; HttpOnly; Max-Age=1209600; Path=/; SameSite=Lax
+      Vary:
+      - Accept, Origin, Cookie
+      X-Content-Type-Options:
+      - nosniff
+      X-Frame-Options:
+      - DENY
+    status:
+      code: 200
+      message: OK
+version: 1

tests/fixtures/cassettes/data_export/options.yaml

@@ -0,0 +1,62 @@
+interactions:
+- request:
+    body: null
+    headers:
+      Accept-Encoding:
+      - gzip, deflate
+      Connection:
+      - keep-alive
+      Cookie:
+      - csrftoken=FEvkld0o1MszakkYc27mcoDrcTxNvA0J9jjIzKW6OMzkxS0Zar9aK0aeOk3iALkQ;
+        sessionid=rmbx2nr20xbrk8ofdi9u4ocgai6bze9g
+      User-Agent:
+      - python-requests/2.28.1
+      X-CSRFToken:
+      - FEvkld0o1MszakkYc27mcoDrcTxNvA0J9jjIzKW6OMzkxS0Zar9aK0aeOk3iALkQ
+      accept:
+      - application/json
+      content-type:
+      - application/json
+      referer:
+      - http://localhost:8000
+    method: GET
+    uri: http://localhost:8000/v1/projects/16/download-format
+  response:
+    body:
+      string: '[{"name":"CSV","example":"text,label\n\"Terrible customer service.\",\"negative\"\n\"Really
+        great transaction.\",\"positive\"\n\"Great price.\",\"positive\"\n"},{"name":"fastText","example":"__label__negative
+        Terrible customer service.\n__label__positive Really great transaction.\n__label__positive
+        Great price.\n"},{"name":"JSON","example":"[\n    {\n        \"text\": \"Terrible
+        customer service.\",\n        \"label\": [\"negative\"]\n    },\n    {\n        \"text\":
+        \"Really great transaction.\",\n        \"label\": [\"positive\"]\n    },\n    {\n        \"text\":
+        \"Great price.\",\n        \"label\": [\"positive\"]\n    }\n]\n"},{"name":"JSONL","example":"{\"text\":
+        \"Terrible customer service.\", \"label\": [\"negative\"]}\n{\"text\": \"Really
+        great transaction.\", \"label\": [\"positive\"]}\n{\"text\": \"Great price.\",
+        \"label\": [\"positive\"]}\n"}]'
+    headers:
+      Allow:
+      - GET, HEAD, OPTIONS
+      Connection:
+      - close
+      Content-Length:
+      - '867'
+      Content-Type:
+      - application/json
+      Cross-Origin-Opener-Policy:
+      - same-origin
+      Date:
+      - Sun, 02 Oct 2022 07:53:26 GMT
+      Referrer-Policy:
+      - same-origin
+      Server:
+      - gunicorn
+      Vary:
+      - Accept, Origin, Cookie
+      X-Content-Type-Options:
+      - nosniff
+      X-Frame-Options:
+      - DENY
+    status:
+      code: 200
+      message: OK
+version: 1