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# Standard library imports
import io
# Third party imports
from flask import Flask, request, Response
from flask_cors import CORS
# Local application imports
from anis_services import cut
from anis_services import plot
from anis_services import spectra
from anis_services import utils
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def create_app():
utils.check_config()
app = Flask(__name__)
CORS(app)
@app.route('/')
def index():
return {
"message": "it works!"
}
@app.route('/get-fits-image-limits/<dname>')
def get_fits_image_limits(dname):
filename = request.args.get('filename', default=None)
if filename is None:
return {"message": "Parameter filename is mandatory"}, 400
try:
file_path = utils.get_file_path(dname, filename)
except utils.DatasetNotFound as e:
return {"message": str(e)}, 404
except utils.FileForbidden as e:
return {"message": str(e)}, 403
except utils.FileNotFound as e:
return {"message": str(e)}, 404
except utils.AnisServerError as e:
return {"message": str(e)}, 500
return cut.getImageLimits(file_path)
@app.route('/fits-cut/<dname>')
def fits_cut(dname):
filename = request.args.get('filename', default=None)
if filename is None:
return {"message": "Parameter filename is mandatory"}, 400
ra = float(request.args.get('ra', ''))
dec = float(request.args.get('dec', ''))
radius = float(request.args.get('radius', ''))
if ra is None:
return {"message": "Parameter ra is mandatory"}, 400
if dec is None:
return {"message": "Parameter dec is mandatory"}, 400
if radius is None:
return {"message": "Parameter radius is mandatory"}, 400
try:
file_path = utils.get_file_path(dname, filename)
except utils.DatasetNotFound as e:
return {"message": str(e)}, 404
except utils.FileForbidden as e:
return {"message": str(e)}, 403
except utils.FileNotFound as e:
return {"message": str(e)}, 404
except utils.AnisServerError as e:
return {"message": str(e)}, 500
fits_file = cut.fits_cut(file_path, ra, dec, radius)
output = io.BytesIO()
fits_file.writeto(output, overwrite=True)
return Response(output.getvalue(), mimetype='image/fits')
@app.route('/fits-cut-to-png/<dname>')
def fits_cut_to_png(dname):
filename = request.args.get('filename', default=None)
if filename is None:
return {"message": "Parameter filename is mandatory"}, 400
ra = request.args.get('ra', default=None, type=float)
dec = request.args.get('dec', default=None, type=float)
radius = request.args.get('radius', default=None, type=float)
stretch = request.args.get('stretch', default=None)
pmin = request.args.get('pmin', default=None, type=float)
pmax = request.args.get('pmax', default=None, type=float)
axes = request.args.get('axes', default=None)
theme = request.args.get('theme', default=None)
if ra is None:
return {"message": "Parameter ra is mandatory"}, 400
if dec is None:
return {"message": "Parameter dec is mandatory"}, 400
if radius is None:
return {"message": "Parameter radius is mandatory"}, 400
if stretch is None:
return {"message": "Parameter stretch is mandatory"}, 400
if pmin is None:
return {"message": "Parameter pmin is mandatory"}, 400
if pmax is None:
return {"message": "Parameter pmax is mandatory"}, 400
if axes is None:
return {"message": "Parameter axes is mandatory"}, 400
try:
file_path = utils.get_file_path(dname, filename)
except utils.DatasetNotFound as e:
return {"message": str(e)}, 404
except utils.FileForbidden as e:
return {"message": str(e)}, 403
except utils.FileNotFound as e:
return {"message": str(e)}, 404
except utils.AnisServerError as e:
return {"message": str(e)}, 500
fits_file = cut.fits_cut(file_path, ra, dec, radius)
output = io.BytesIO()
fig = plot.create_figure(fits_file, stretch, pmin, pmax, axes, theme)
if axes == 'true':
fig.savefig(output, format="png")
else:
fig.savefig(output, format="png", bbox_inches='tight', pad_inches = 0)
return Response(output.getvalue(), mimetype='image/png')
@app.route('/fits-to-png/<dname>')
def fits_to_png(dname):
filename = request.args.get('filename', default=None)
if filename is None:
return {"message": "Parameter filename is mandatory"}, 400
stretch = request.args.get('stretch', default=None)
pmin = request.args.get('pmin', default=None, type=float)
pmax = request.args.get('pmax', default=None, type=float)
axes = request.args.get('axes', default=None)
theme = request.args.get('theme', default=None)
try:
file_path = utils.get_file_path(dname, filename)
except utils.DatasetNotFound as e:
return {"message": str(e)}, 404
except utils.FileForbidden as e:
return {"message": str(e)}, 403
except utils.FileNotFound as e:
return {"message": str(e)}, 404
except utils.AnisServerError as e:
return {"message": str(e)}, 500
fig = plot.create_figure(file_path, stretch, pmin, pmax, axes, theme)
output = io.BytesIO()
fig.save(output, format="png")
return Response(output.getvalue(), mimetype='image/png')
@app.route('/spectra-to-csv/<dname>')
def spectra_to_csv(dname):
filename = request.args.get('filename', default=None)
if filename is None:
return {"message": "Parameter filename is mandatory"}, 400
try:
file_path = utils.get_file_path(dname, filename)
csv = spectra.spectra_to_csv(file_path, filename)
except utils.DatasetNotFound as e:
return {"message": str(e)}, 404
except utils.FileForbidden as e:
return {"message": str(e)}, 403
except utils.FileNotFound as e:
return {"message": str(e)}, 404
except utils.AnisServerError as e:
return {"message": str(e)}, 500
return Response(csv, mimetype='text/csv')
return app
app.run(host="0.0.0.0")
except utils.ConfigKeyNotFound as e:
app.logger.error("Config error")
app.logger.error(e)