336 lines
12 KiB
Python
336 lines
12 KiB
Python
import csv
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import datetime
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import enum
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import uuid
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from collections import OrderedDict
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from io import StringIO
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from typing import Callable, Iterable, Tuple
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import boltons
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import flask
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import flask_weasyprint
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import teal.marshmallow
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from boltons import urlutils
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from flask import make_response, g, request
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from flask.json import jsonify
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from teal.cache import cache
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from teal.resource import Resource, View
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from ereuse_devicehub.db import db
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from ereuse_devicehub.resources.action import models as evs
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from ereuse_devicehub.resources.device import models as devs
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from ereuse_devicehub.resources.deliverynote.models import Deliverynote
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from ereuse_devicehub.resources.device.views import DeviceView
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from ereuse_devicehub.resources.documents.device_row import DeviceRow, StockRow, ActionRow
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from ereuse_devicehub.resources.lot import LotView
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from ereuse_devicehub.resources.lot.models import Lot
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from ereuse_devicehub.resources.hash_reports import insert_hash, ReportHash, verify_hash
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class Format(enum.Enum):
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HTML = 'HTML'
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PDF = 'PDF'
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class DocumentView(DeviceView):
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class FindArgs(DeviceView.FindArgs):
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format = teal.marshmallow.EnumField(Format, missing=None)
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def get(self, id):
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"""Get a collection of resources or a specific one.
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---
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parameters:
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- name: id
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in: path
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description: The identifier of the resource.
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type: string
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required: false
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responses:
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200:
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description: Return the collection or the specific one.
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"""
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args = self.QUERY_PARSER.parse(self.find_args,
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flask.request,
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locations=('querystring',))
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if id:
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# todo we assume we can pass both device id and action id
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# for certificates... how is it going to end up being?
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try:
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id = uuid.UUID(id)
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except ValueError:
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try:
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id = int(id)
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except ValueError:
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raise teal.marshmallow.ValidationError('Document must be an ID or UUID.')
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else:
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query = devs.Device.query.filter_by(id=id)
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else:
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query = evs.Action.query.filter_by(id=id)
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else:
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flask.current_app.auth.requires_auth(lambda: None)() # todo not nice
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query = self.query(args)
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type = urlutils.URL(flask.request.url).path_parts[-2]
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if type == 'erasures':
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template = self.erasure(query)
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if args.get('format') == Format.PDF:
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res = flask_weasyprint.render_pdf(
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flask_weasyprint.HTML(string=template), download_filename='{}.pdf'.format(type)
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)
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insert_hash(res.data)
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else:
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res = flask.make_response(template)
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return res
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@staticmethod
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def erasure(query: db.Query):
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def erasures():
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for model in query:
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if isinstance(model, devs.Computer):
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for erasure in model.privacy:
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yield erasure
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elif isinstance(model, devs.DataStorage):
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erasure = model.privacy
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if erasure:
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yield erasure
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else:
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assert isinstance(model, evs.EraseBasic)
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yield model
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url_pdf = boltons.urlutils.URL(flask.request.url)
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url_pdf.query_params['format'] = 'PDF'
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url_web = boltons.urlutils.URL(flask.request.url)
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url_web.query_params['format'] = 'HTML'
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params = {
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'title': 'Erasure Certificate',
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'erasures': tuple(erasures()),
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'url_pdf': url_pdf.to_text(),
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'url_web': url_web.to_text()
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}
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return flask.render_template('documents/erasure.html', **params)
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class DevicesDocumentView(DeviceView):
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@cache(datetime.timedelta(minutes=1))
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def find(self, args: dict):
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query = (x for x in self.query(args) if x.owner_id == g.user.id)
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return self.generate_post_csv(query)
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def generate_post_csv(self, query):
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"""Get device query and put information in csv format."""
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data = StringIO()
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cw = csv.writer(data, delimiter=';', lineterminator="\n", quotechar='"')
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first = True
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document_ids = self.get_documents_id()
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for device in query:
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d = DeviceRow(device, document_ids)
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if first:
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cw.writerow(d.keys())
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first = False
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cw.writerow(d.values())
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bfile = data.getvalue().encode('utf-8')
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output = make_response(bfile)
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insert_hash(bfile)
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output.headers['Content-Disposition'] = 'attachment; filename=export.csv'
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output.headers['Content-type'] = 'text/csv'
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return output
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def get_documents_id(self):
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# documentIds = {dev_id: document_id, ...}
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deliverys = Deliverynote.query.all()
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documentIds = {x.id: d.document_id for d in deliverys for x in d.lot.devices}
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return documentIds
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class ActionsDocumentView(DeviceView):
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@cache(datetime.timedelta(minutes=1))
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def find(self, args: dict):
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query = (x for x in self.query(args) if x.owner_id == g.user.id)
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return self.generate_post_csv(query)
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def generate_post_csv(self, query):
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"""Get device query and put information in csv format."""
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data = StringIO()
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cw = csv.writer(data, delimiter=';', lineterminator="\n", quotechar='"')
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first = True
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for device in query:
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for allocate in device.get_metrics():
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d = ActionRow(allocate)
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if first:
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cw.writerow(d.keys())
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first = False
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cw.writerow(d.values())
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bfile = data.getvalue().encode('utf-8')
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output = make_response(bfile)
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insert_hash(bfile)
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output.headers['Content-Disposition'] = 'attachment; filename=actions_export.csv'
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output.headers['Content-type'] = 'text/csv'
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return output
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class LotsDocumentView(LotView):
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def find(self, args: dict):
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query = (x for x in self.query(args) if x.owner_id == g.user.id)
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return self.generate_lots_csv(query)
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def generate_lots_csv(self, query):
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"""Get lot query and put information in csv format."""
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data = StringIO()
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cw = csv.writer(data)
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first = True
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for lot in query:
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l = LotRow(lot)
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if first:
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cw.writerow(l.keys())
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first = False
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cw.writerow(l.values())
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bfile = data.getvalue().encode('utf-8')
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output = make_response(bfile)
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insert_hash(bfile)
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output.headers['Content-Disposition'] = 'attachment; filename=lots-info.csv'
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output.headers['Content-type'] = 'text/csv'
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return output
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class LotRow(OrderedDict):
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def __init__(self, lot: Lot) -> None:
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super().__init__()
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self.lot = lot
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# General information about lot
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self['Id'] = lot.id.hex
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self['Name'] = lot.name
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self['Registered in'] = format(lot.created, '%c')
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try:
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self['Description'] = lot.description
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except:
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self['Description'] = ''
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class StockDocumentView(DeviceView):
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# @cache(datetime.timedelta(minutes=1))
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def find(self, args: dict):
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query = (x for x in self.query(args) if x.owner_id == g.user.id)
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return self.generate_post_csv(query)
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def generate_post_csv(self, query):
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"""Get device query and put information in csv format."""
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data = StringIO()
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cw = csv.writer(data)
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first = True
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for device in query:
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d = StockRow(device)
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if first:
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cw.writerow(d.keys())
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first = False
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cw.writerow(d.values())
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bfile = data.getvalue().encode('utf-8')
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output = make_response(bfile)
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insert_hash(bfile)
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output.headers['Content-Disposition'] = 'attachment; filename=devices-stock.csv'
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output.headers['Content-type'] = 'text/csv'
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return output
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class CheckView(View):
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model = ReportHash
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def get(self):
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qry = dict(request.values)
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hash3 = qry.get('hash')
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result = False
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if hash3 and ReportHash.query.filter_by(hash3=hash3).count():
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result = True
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return jsonify(result)
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class StampsView(View):
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"""
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This view render one public ans static page for see the links for to do the check
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of one csv file
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"""
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def get_url_path(self):
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url = urlutils.URL(request.url)
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url.normalize()
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url.path_parts = url.path_parts[:-2] + ['check', '']
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return url.to_text()
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def get(self):
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result = ('', '')
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return flask.render_template('documents/stamp.html', rq_url=self.get_url_path(),
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result=result)
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def post(self):
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result = ('', '')
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if 'docUpload' in request.files:
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file_check = request.files['docUpload']
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result = ('Bad', 'Sorry, this file has not been produced by this website')
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if file_check.mimetype in ['text/csv', 'application/pdf']:
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if verify_hash(file_check):
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result = ('Ok', 'Yes, this file has been produced by this website')
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return flask.render_template('documents/stamp.html', rq_url=self.get_url_path(),
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result=result)
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class DocumentDef(Resource):
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__type__ = 'Document'
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SCHEMA = None
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VIEW = None # We do not want to create default / documents endpoint
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AUTH = False
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def __init__(self, app,
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import_name=__name__,
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static_folder='static',
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static_url_path=None,
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template_folder='templates',
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url_prefix=None,
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subdomain=None,
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url_defaults=None,
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root_path=None,
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cli_commands: Iterable[Tuple[Callable, str or None]] = tuple()):
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super().__init__(app, import_name, static_folder, static_url_path, template_folder,
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url_prefix, subdomain, url_defaults, root_path, cli_commands)
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d = {'id': None}
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get = {'GET'}
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view = DocumentView.as_view('main', definition=self, auth=app.auth)
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# TODO @cayop This two lines never pass
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if self.AUTH:
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view = app.auth.requires_auth(view)
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self.add_url_rule('/erasures/', defaults=d, view_func=view, methods=get)
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self.add_url_rule('/erasures/<{}:{}>'.format(self.ID_CONVERTER.value, self.ID_NAME),
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view_func=view, methods=get)
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devices_view = DevicesDocumentView.as_view('devicesDocumentView',
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definition=self,
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auth=app.auth)
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devices_view = app.auth.requires_auth(devices_view)
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stock_view = StockDocumentView.as_view('stockDocumentView', definition=self)
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stock_view = app.auth.requires_auth(stock_view)
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self.add_url_rule('/devices/', defaults=d, view_func=devices_view, methods=get)
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lots_view = LotsDocumentView.as_view('lotsDocumentView', definition=self)
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lots_view = app.auth.requires_auth(lots_view)
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self.add_url_rule('/lots/', defaults=d, view_func=lots_view, methods=get)
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stock_view = StockDocumentView.as_view('stockDocumentView', definition=self, auth=app.auth)
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stock_view = app.auth.requires_auth(stock_view)
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self.add_url_rule('/stock/', defaults=d, view_func=stock_view, methods=get)
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check_view = CheckView.as_view('CheckView', definition=self, auth=app.auth)
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self.add_url_rule('/check/', defaults={}, view_func=check_view, methods=get)
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stamps_view = StampsView.as_view('StampsView', definition=self, auth=app.auth)
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self.add_url_rule('/stamps/', defaults={}, view_func=stamps_view, methods={'GET', 'POST'})
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actions_view = ActionsDocumentView.as_view('ActionsDocumentView',
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definition=self,
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auth=app.auth)
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actions_view = app.auth.requires_auth(actions_view)
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self.add_url_rule('/actions/', defaults=d, view_func=actions_view, methods=get)
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