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Replace the old v1 url with v2 url and add logic to get the file
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kshitijrajsharma committed Dec 6, 2023
1 parent dbd16bc commit 8c42630
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Showing 5 changed files with 76 additions and 46 deletions.
2 changes: 1 addition & 1 deletion backend/aiproject/settings.py
Original file line number Diff line number Diff line change
Expand Up @@ -33,7 +33,7 @@
HOSTNAME = env("HOSTNAME", default="127.0.0.1")
EXPORT_TOOL_API_URL = env(
"EXPORT_TOOL_API_URL",
default="https://galaxy-api.hotosm.org/v1/raw-data/current-snapshot/",
default=" https://api-prod.raw-data.hotosm.org/v1",
)

ALLOWED_HOSTS = ["localhost", "127.0.0.1", HOSTNAME]
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70 changes: 51 additions & 19 deletions backend/core/utils.py
Original file line number Diff line number Diff line change
@@ -1,8 +1,11 @@
import concurrent.futures
import io
import json
import math
import os
import re
import time
import zipfile
from datetime import datetime
from uuid import uuid4
from xml.dom import ValidationErr
Expand Down Expand Up @@ -55,35 +58,65 @@ def is_dir_empty(directory_path):
return not any(os.scandir(directory_path))


class RawDataAPI:
def __init__(self, BASE_API_URL):
self.BASE_API_URL = BASE_API_URL

def request_snapshot(self, geometry):
headers = {"accept": "application/json", "Content-Type": "application/json"}
# Lets start with buildings for now
payload = {
"geometry": json.loads(geometry),
"filters": {"tags": {"all_geometry": {"join_or": {"building": []}}}},
"geometryType": ["polygon"],
}
response = requests.post(
f"{self.BASE_API_URL}/snapshot/", data=json.dumps(payload), headers=headers
)
response.raise_for_status()
return response.json()

def poll_task_status(self, task_link):
stop_loop = False
while not stop_loop:
check_result = requests.get(url=f"{self.BASE_API_URL}{task_link}")
check_result.raise_for_status()
res = check_result.json()
if res["status"] == "SUCCESS" or res["status"] == "FAILED":
stop_loop = True
time.sleep(1)
return res


import logging

def request_rawdata(request_params):
"""will make call to galaxy API & provides response as json

def request_rawdata(geometry):
"""will make call to Raw Data API & provides response as json
Args:
request_params (dict): Galaxy API Request Body
geometry (dict): geometry to request
Raises:
ImportError: If galaxy url is not exists
ImportError: If raw data api url is not exists
Returns:
Response(json): API Response
"""

export_tool_api_url = settings.EXPORT_TOOL_API_URL

# following block should be a background task
headers = {
"accept": "application/json",
"Content-Type": "application/json",
}
print(request_params)
with requests.post(
url=export_tool_api_url, data=json.dumps(request_params), headers=headers
) as r: # curl can also be option
r.raise_for_status()
response_back = r.json()
print(response_back)
return response_back
api = RawDataAPI(export_tool_api_url)
snapshot_data = api.request_snapshot(geometry)
task_link = snapshot_data["track_link"]
logging.info("Fetching latest OSM snapshot")
task_result = api.poll_task_status(task_link)
logging.info(f"Fetch Task result: {task_result['status']}")
if task_result["status"] != "SUCCESS":
raise RuntimeError(
"Raw Data API did not respond correctly. Please try again later."
)
snapshot_url = task_result["result"]["download_url"]
return snapshot_url


def process_rawdata(file_download_url, aoi_id, feedback=False):
Expand All @@ -99,7 +132,6 @@ def process_rawdata(file_download_url, aoi_id, feedback=False):
os.makedirs(path)
file_temp_path = os.path.join(path, f"{str(uuid4())}.zip") # unique
open(file_temp_path, "wb").write(r.content)
print("Zip File from API wrote to disk")
with ZipFile(file_temp_path, "r") as zipObj:
# Get a list of all archived file names from the zip
listOfFileNames = zipObj.namelist()
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46 changes: 22 additions & 24 deletions backend/core/views.py
Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
from __future__ import absolute_import

import json
import logging
import os
import pathlib
import shutil
Expand Down Expand Up @@ -29,15 +30,14 @@
from login.permissions import IsOsmAuthenticated
from orthogonalizer import othogonalize_poly
from osmconflator import conflate_geojson
from predictor import predict
from rest_framework import decorators, serializers, status, viewsets
from rest_framework.decorators import api_view
from rest_framework.exceptions import ValidationError
from rest_framework.response import Response
from rest_framework.views import APIView
from rest_framework_gis.filters import InBBoxFilter, TMSTileFilter

from predictor import predict

from .models import (
AOI,
Dataset,
Expand All @@ -61,12 +61,7 @@
PredictionParamSerializer,
)
from .tasks import train_model
from .utils import (
get_dir_size,
gpx_generator,
process_rawdata,
request_rawdata,
)
from .utils import get_dir_size, gpx_generator, process_rawdata, request_rawdata


def home(request):
Expand Down Expand Up @@ -280,13 +275,7 @@ def post(self, request, feedbackaoi_id, *args, **kwargs):
try:
obj.label_status = 0
obj.save()
raw_data_params = {
"geometry": json.loads(obj.geom.geojson),
"filters": {"tags": {"polygon": {"building": []}}},
"geometryType": ["polygon"],
}
result = request_rawdata(raw_data_params)
file_download_url = result["download_url"]
file_download_url = request_rawdata(obj.geom.geojson)
process_rawdata(file_download_url, feedbackaoi_id, feedback=True)
obj.label_status = 1
obj.label_fetched = datetime.utcnow()
Expand All @@ -296,6 +285,7 @@ def post(self, request, feedbackaoi_id, *args, **kwargs):
obj.label_status = -1
obj.save()
# raise ex
logging.error(ex)
return Response("OSM Fetch Failed", status=500)


Expand All @@ -317,13 +307,7 @@ def post(self, request, aoi_id, *args, **kwargs):
try:
obj.label_status = 0
obj.save()
raw_data_params = {
"geometry": json.loads(obj.geom.geojson),
"filters": {"tags": {"polygon": {"building": []}}},
"geometryType": ["polygon"],
}
result = request_rawdata(raw_data_params)
file_download_url = result["download_url"]
file_download_url = request_rawdata(obj.geom.geojson)
process_rawdata(file_download_url, aoi_id)
obj.label_status = 1
obj.label_fetched = datetime.utcnow()
Expand Down Expand Up @@ -560,7 +544,19 @@ def post(self, request, *args, **kwargs):
f"training_{training_instance.id}",
"checkpoint.tf",
)
geojson_data = predict(bbox=bbox,model_path=model_path,zoom_level=zoom_level,tms_url=source, tile_size=DEFAULT_TILE_SIZE,confidence=deserialized_data["confidence"] / 100 if "confidence" in deserialized_data else 0.5,tile_overlap_distance=deserialized_data["tile_overlap_distance"] if "tile_overlap_distance" in deserialized_data else 0.15)
geojson_data = predict(
bbox=bbox,
model_path=model_path,
zoom_level=zoom_level,
tms_url=source,
tile_size=DEFAULT_TILE_SIZE,
confidence=deserialized_data["confidence"] / 100
if "confidence" in deserialized_data
else 0.5,
tile_overlap_distance=deserialized_data["tile_overlap_distance"]
if "tile_overlap_distance" in deserialized_data
else 0.15,
)
print(
f"It took {round(time.time()-start_time)}sec for generating predictions"
)
Expand All @@ -578,7 +574,9 @@ def post(self, request, *args, **kwargs):
else 15,
)

print(f"Prediction API took ({round(time.time()-start_time)} sec) in total")
print(
f"Prediction API took ({round(time.time()-start_time)} sec) in total"
)

## TODO : can send osm xml format from here as well using geojson2osm
return Response(geojson_data, status=status.HTTP_201_CREATED)
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2 changes: 1 addition & 1 deletion backend/docker_sample_env
Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
DEBUG=True
SECRET_KEY=yl2w)c0boi_ma-1v5)935^2#&m*r!1s9z9^*9e5co^08_ixzo6
DATABASE_URL=postgis://postgres:admin@pgsql:5432/ai
EXPORT_TOOL_API_URL=https://galaxy-api.hotosm.org/v1/raw-data/current-snapshot/
EXPORT_TOOL_API_URL=https://raw api url.hotosm.org/v1
CORS_ALLOWED_ORIGINS=http://127.0.0.1:3000
OSM_CLIENT_ID=
OSM_CLIENT_SECRET=
Expand Down
2 changes: 1 addition & 1 deletion backend/sample_env
Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
SECRET_KEY=yl2w)c0boi_ma-1v5)935^2#&m*r!1s9z9^*9e5co^08_ixzo6
DATABASE_URL=postgis://admin:password@localhost:5432/ai
EXPORT_TOOL_API_URL=http://44.203.33.53:8000/raw-data/current-snapshot/
EXPORT_TOOL_API_URL=MY_RAW_DATA_URL
CORS_ALLOWED_ORIGINS=http://localhost:3000
HOSTNAME=
GDAL_LIBRARY_PATH=''
Expand Down

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