Esempio n. 1
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 def _pull_resource(self, request):
     resource_slug = self.pull_resource_form.cleaned_data['resource_slug']
     project_slug = self.pull_resource_form.cleaned_data['transifex_project_slug']
     file_response = self._generate_response_file(request.domain, project_slug, resource_slug)
     if isinstance(file_response, Workbook):
         content = get_file_content_from_workbook(file_response)
         response = HttpResponse(content, content_type="text/html; charset=utf-8")
         response['Content-Disposition'] = safe_filename_header(resource_slug, "xlsx")
     else:
         response = HttpResponse(file_response, content_type="text/html; charset=utf-8")
         response['Content-Disposition'] = safe_filename_header(project_slug, "zip")
     return response
Esempio n. 2
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 def _pull_resource(self, request):
     resource_slug = self.pull_resource_form.cleaned_data['resource_slug']
     project_slug = self.pull_resource_form.cleaned_data['transifex_project_slug']
     file_response = self._generate_response_file(request.domain, project_slug, resource_slug)
     if isinstance(file_response, Workbook):
         content = get_file_content_from_workbook(file_response)
         response = HttpResponse(content, content_type="text/html; charset=utf-8")
         response['Content-Disposition'] = safe_filename_header(resource_slug, "xlsx")
     else:
         response = HttpResponse(file_response, content_type="text/html; charset=utf-8")
         response['Content-Disposition'] = safe_filename_header(project_slug, "zip")
     return response
Esempio n. 3
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def dump_locations(domain, download_id, include_consumption, headers_only, task=None):
    exporter = LocationExporter(domain, include_consumption=include_consumption,
                                headers_only=headers_only, async_task=task)

    fd, path = tempfile.mkstemp()
    writer = Excel2007ExportWriter()
    writer.open(header_table=exporter.get_headers(), file=path)
    with writer:
        exporter.write_data(writer)

    with open(path, 'rb') as file_:
        db = get_blob_db()
        expiry_mins = 60
        db.put(
            file_,
            domain=domain,
            parent_id=domain,
            type_code=CODES.tempfile,
            key=download_id,
            timeout=expiry_mins,
        )

        file_format = Format.from_format(Excel2007ExportWriter.format)
        expose_blob_download(
            download_id,
            expiry=expiry_mins * 60,
            mimetype=file_format.mimetype,
            content_disposition=safe_filename_header('{}_locations'.format(domain), file_format.extension),
            download_id=download_id,
        )
Esempio n. 4
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 def _zip_file_response(self):
     uploaded_file = self.convert_translation_form.cleaned_data.get(
         'upload_file')
     uploaded_zipfile = ZipFile(uploaded_file)
     mem_file = BytesIO()
     with ZipFile(mem_file, 'w') as zipfile:
         for file_info in uploaded_zipfile.filelist:
             filename = file_info.filename
             if filename.endswith('.po'):
                 po_file = BytesIO(uploaded_zipfile.read(filename))
                 wb = self._generate_excel_file(po_file)
                 result_filename = filename.split('.po')[0]
                 zipfile.writestr(result_filename + '.xlsx',
                                  get_file_content_from_workbook(wb))
             elif filename.endswith('.xls') or filename.endswith('.xlsx'):
                 worksheet = openpyxl.load_workbook(
                     BytesIO(uploaded_zipfile.read(filename))).worksheets[0]
                 po_file_content = self._generate_po_content(worksheet)
                 result_filename = filename.split('.xls')[0]
                 zipfile.writestr(result_filename + '.po', po_file_content)
             else:
                 assert False, "unexpected filename: {}".format(filename)
     mem_file.seek(0)
     response = HttpResponse(mem_file, content_type="text/html")
     zip_filename = 'Converted-' + uploaded_zipfile.filename.split(
         '.zip')[0]
     response['Content-Disposition'] = safe_filename_header(
         zip_filename, "zip")
     return response
Esempio n. 5
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def dump_locations(domain, download_id, include_consumption, headers_only, task=None):
    exporter = LocationExporter(domain, include_consumption=include_consumption,
                                headers_only=headers_only, async_task=task)

    fd, path = tempfile.mkstemp()
    writer = Excel2007ExportWriter()
    writer.open(header_table=exporter.get_headers(), file=path)
    with writer:
        exporter.write_data(writer)

    with open(path, 'rb') as file_:
        db = get_blob_db()
        expiry_mins = 60
        db.put(
            file_,
            domain=domain,
            parent_id=domain,
            type_code=CODES.tempfile,
            key=download_id,
            timeout=expiry_mins,
        )

        file_format = Format.from_format(Excel2007ExportWriter.format)
        expose_blob_download(
            download_id,
            expiry=expiry_mins * 60,
            mimetype=file_format.mimetype,
            content_disposition=safe_filename_header('{}_locations'.format(domain), file_format.extension),
            download_id=download_id,
        )
Esempio n. 6
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 def _po_file_response(self):
     uploaded_file = self.convert_translation_form.cleaned_data.get('upload_file')
     worksheet = openpyxl.load_workbook(uploaded_file).worksheets[0]
     content = self._generate_po_content(worksheet)
     response = HttpResponse(content, content_type="text/html; charset=utf-8")
     response['Content-Disposition'] = safe_filename_header(worksheet.title, 'po')
     return response
Esempio n. 7
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 def _po_file_response(self):
     uploaded_file = self.convert_translation_form.cleaned_data.get('upload_file')
     worksheet = openpyxl.load_workbook(uploaded_file).worksheets[0]
     content = self._generate_po_content(worksheet)
     response = HttpResponse(content, content_type="text/html; charset=utf-8")
     response['Content-Disposition'] = safe_filename_header(worksheet.title, 'po')
     return response
Esempio n. 8
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def export_response(file, format, filename, checkpoint=None):
    """
    Get an http response for an export
    file can be either a io.BytesIO or io.StringIO
    or an open file object (which this function is responsible for closing)

    """
    from couchexport.export import Format
    if not filename:
        filename = "NAMELESS EXPORT"

    format = Format.from_format(format)
    if isinstance(file, TempBase):
        file = file.file

    if isinstance(file, (io.BytesIO, io.StringIO)):
        response = HttpResponse(file.getvalue(), content_type=format.mimetype)
        # I don't know why we need to close the file. Keeping around.
        file.close()
    else:
        response = StreamingHttpResponse(FileWrapper(file),
                                         content_type=format.mimetype)

    if format.download:
        from corehq.util.files import safe_filename_header
        response['Content-Disposition'] = safe_filename_header(
            filename, format.extension)

    if checkpoint:
        response['X-CommCareHQ-Export-Token'] = checkpoint.get_id

    return response
Esempio n. 9
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def populate_export_download_task(export_instances,
                                  filters,
                                  download_id,
                                  filename=None,
                                  expiry=10 * 60 * 60):
    export_file = get_export_file(
        export_instances,
        filters,
        # We don't have a great way to calculate progress if it's a bulk download,
        # so only track the progress for single instance exports.
        progress_tracker=populate_export_download_task
        if len(export_instances) == 1 else None)

    file_format = Format.from_format(export_file.format)
    filename = filename or export_instances[0].name
    payload = export_file.file.payload
    expose_cached_download(
        payload,
        expiry,
        ".{}".format(file_format.extension),
        mimetype=file_format.mimetype,
        content_disposition=safe_filename_header(filename,
                                                 file_format.extension),
        download_id=download_id,
    )
    export_file.file.delete()
Esempio n. 10
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def export_response(file, format, filename, checkpoint=None):
    """
    Get an http response for an export
    file can be either a io.BytesIO or io.StringIO
    or an open file object (which this function is responsible for closing)

    """
    from couchexport.export import Format
    if not filename:
        filename = "NAMELESS EXPORT"

    format = Format.from_format(format)
    if isinstance(file, TempBase):
        file = file.file

    if isinstance(file, (io.BytesIO, io.StringIO)):
        response = HttpResponse(file.getvalue(), content_type=format.mimetype)
        # I don't know why we need to close the file. Keeping around.
        file.close()
    else:
        response = StreamingHttpResponse(FileWrapper(file), content_type=format.mimetype)

    if format.download:
        from corehq.util.files import safe_filename_header
        response['Content-Disposition'] = safe_filename_header(filename, format.extension)

    if checkpoint:
        response['X-CommCareHQ-Export-Token'] = checkpoint.get_id

    return response
Esempio n. 11
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def populate_export_download_task(export_instances,
                                  filters,
                                  download_id,
                                  filename=None,
                                  expiry=10 * 60 * 60):
    export_file = get_export_file(
        export_instances,
        filters,
        # We don't have a great way to calculate progress if it's a bulk download,
        # so only track the progress for single instance exports.
        progress_tracker=populate_export_download_task
        if len(export_instances) == 1 else None)

    file_format = Format.from_format(export_file.format)
    filename = filename or export_instances[0].name

    with export_file as file_:
        db = get_blob_db()
        db.put(file_, download_id, timeout=expiry)

        expose_blob_download(
            download_id,
            mimetype=file_format.mimetype,
            content_disposition=safe_filename_header(filename,
                                                     file_format.extension),
            download_id=download_id,
        )
Esempio n. 12
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 def _excel_file_response(self):
     wb = self._generate_excel_file()
     content = get_file_content_from_workbook(wb)
     response = HttpResponse(content,
                             content_type="text/html; charset=utf-8")
     response['Content-Disposition'] = safe_filename_header(
         self._uploaded_file_name.split('.po')[0], 'xlsx')
     return response
Esempio n. 13
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 def _generate_summary_response(self, transitions, uploaded_filename):
     filename = uploaded_filename.split('.')[0] + " Summary"
     response_file = Dumper(self.domain).dump(transitions)
     response = HttpResponse(response_file,
                             content_type="text/html; charset=utf-8")
     response['Content-Disposition'] = safe_filename_header(
         filename, 'xlsx')
     return response
Esempio n. 14
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 def get(self, request, *args, **kwargs):
     file_id = self.kwargs.get('file_id', None)
     content_type = Format.from_format('xlsx')
     response = HttpResponse(get_file_from_blobdb(file_id).read(),
                             content_type=content_type.mimetype)
     response['Content-Disposition'] = safe_filename_header(
         'unified_beneficiary_list', content_type.extension)
     return response
Esempio n. 15
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 def _pull_resource(self, request):
     resource_slug = self.pull_resource_form.cleaned_data['resource_slug']
     wb = self._generate_excel_file(request.domain, resource_slug)
     content = get_file_content_from_workbook(wb)
     response = HttpResponse(content,
                             content_type="text/html; charset=utf-8")
     response['Content-Disposition'] = safe_filename_header(
         resource_slug, 'xlsx')
     return response
Esempio n. 16
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def populate_export_download_task(export_instances,
                                  filters,
                                  download_id,
                                  filename=None,
                                  expiry=10 * 60):
    """
    :param expiry:  Time period for the export to be available for download in minutes
    """
    domain = export_instances[0].domain
    with TransientTempfile() as temp_path, datadog_track_errors(
            'populate_export_download_task'):
        export_file = get_export_file(
            export_instances,
            filters,
            temp_path,
            # We don't have a great way to calculate progress if it's a bulk download,
            # so only track the progress for single instance exports.
            progress_tracker=populate_export_download_task
            if len(export_instances) == 1 else None)

        file_format = Format.from_format(export_file.format)
        filename = filename or export_instances[0].name

        with export_file as file_:
            db = get_blob_db()
            db.put(
                file_,
                domain=domain,
                parent_id=domain,
                type_code=CODES.data_export,
                key=download_id,
                timeout=expiry,
            )

            expose_blob_download(
                download_id,
                expiry=expiry * 60,
                mimetype=file_format.mimetype,
                content_disposition=safe_filename_header(
                    filename, file_format.extension),
                download_id=download_id,
            )

    email_requests = EmailExportWhenDoneRequest.objects.filter(
        domain=domain, download_id=download_id)
    for email_request in email_requests:
        try:
            couch_user = CouchUser.get_by_user_id(email_request.user_id,
                                                  domain=domain)
        except CouchUser.AccountTypeError:
            pass
        else:
            if couch_user is not None:
                process_email_request(domain, download_id,
                                      couch_user.get_email())
    email_requests.delete()
Esempio n. 17
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 def get(self, request, *args, **kwargs):
     file_id = self.kwargs.get('file_id', None)
     content_type = Format.from_format('xlsx')
     response = HttpResponse(
         get_file_from_blobdb(file_id).read(),
         content_type=content_type.mimetype
     )
     response['Content-Disposition'] = safe_filename_header(
         'unified_beneficiary_list',
         content_type.extension
     )
     return response
Esempio n. 18
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 def save_dump_to_blob(data_file_path, data_file_name, result_file_format):
     with open(data_file_path, 'rb') as file_:
         blob_db = get_blob_db()
         blob_db.put(file_, data_file_name, timeout=60 * 24)  # 24 hours
     file_format = Format.from_format(result_file_format)
     file_name_header = safe_filename_header(data_file_name,
                                             file_format.extension)
     blob_dl_object = expose_blob_download(
         data_file_name,
         mimetype=file_format.mimetype,
         content_disposition=file_name_header)
     return blob_dl_object.download_id
Esempio n. 19
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 def save_dump_to_blob(self, temp_path):
     with open(temp_path, 'rb') as file_:
         blob_db = get_blob_db()
         blob_db.put(file_, self.result_file_name,
                     timeout=60 * 48)  # 48 hours
     file_format = Format.from_format(Format.CSV)
     file_name_header = safe_filename_header(self.result_file_name,
                                             file_format.extension)
     blob_dl_object = expose_blob_download(
         self.result_file_name,
         mimetype=file_format.mimetype,
         content_disposition=file_name_header)
     return blob_dl_object.download_id
Esempio n. 20
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def get_download_response(payload,
                          content_length,
                          content_format,
                          filename,
                          request=None):
    """
    :param payload: File like object.
    :param content_length: Size of payload in bytes
    :param content_format: ``couchexport.models.Format`` instance
    :param filename: Name of the download
    :param request: The request. Used to determine if a range response should be given.
    :return: HTTP response
    """
    ranges = None
    if request and "HTTP_RANGE" in request.META:
        try:
            ranges = parse_range_header(request.META['HTTP_RANGE'],
                                        content_length)
        except ValueError:
            pass

    if ranges and len(ranges.ranges) != 1:
        ranges = None

    response = StreamingHttpResponse(content_type=content_format.mimetype)
    if content_format.download:
        response['Content-Disposition'] = safe_filename_header(filename)

    response["Content-Length"] = content_length
    response["Accept-Ranges"] = "bytes"

    if ranges:
        start, stop = ranges.ranges[0]
        if stop is not None and stop > content_length:
            # requested range not satisfiable
            return HttpResponse(status=416)

        response.streaming_content = RangedFileWrapper(payload,
                                                       start=start,
                                                       stop=stop
                                                       or float("inf"))
        end = stop or content_length
        response["Content-Range"] = "bytes %d-%d/%d" % (start, end - 1,
                                                        content_length)
        response["Content-Length"] = end - start
        response.status_code = 206
    else:
        response.streaming_content = FileWrapper(payload)

    return response
Esempio n. 21
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def run_data_pull(data_pull_slug, domain, month, location_id=None, email=None):
    subject = _('Custom ICDS Data Pull')
    try:
        filename = DataExporter(data_pull_slug,
                                "icds-ucr-citus",
                                month=month,
                                location_id=location_id).export()
    except Exception:
        if email:
            message = _("""
                            Hi,
                            Could not generate the requested data pull.
                            The error has been notified. Please report as an issue for quicker followup
                        """)
            send_html_email_async.delay(subject, [email],
                                        message,
                                        email_from=settings.DEFAULT_FROM_EMAIL)
        raise
    else:
        if email and filename:
            db = get_blob_db()
            download_id = DownloadBase.new_id_prefix + make_uuid()
            with open(filename, 'rb') as _file:
                db.put(
                    _file,
                    domain=domain,
                    parent_id=domain,
                    type_code=CODES.data_export,
                    key=download_id,
                    timeout=24 * 60,
                )
            exposed_download = expose_blob_download(
                filename,
                expiry=24 * 60 * 60,
                mimetype=Format.from_format(Format.ZIP).mimetype,
                content_disposition=safe_filename_header(filename),
                download_id=download_id)
            os.remove(filename)
            path = reverse(
                'retrieve_download',
                kwargs={'download_id': exposed_download.download_id})
            link = f"{web.get_url_base()}{path}?get_file"
            message = _("""
            Hi,
            Please download the data from {link}.
            The data is available only for 24 hours.
            """).format(link=link)
            send_html_email_async.delay(subject, [email],
                                        message,
                                        email_from=settings.DEFAULT_FROM_EMAIL)
Esempio n. 22
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def download_location_reassignment_template(request, domain):
    location_id = request.GET.get('location_id')

    if not location_id or not user_can_access_location_id(domain, request.couch_user, location_id):
        messages.error(request, _("Please select a location."))
        return HttpResponseRedirect(reverse(LocationReassignmentView.urlname, args=[domain]))

    location = SQLLocation.active_objects.get(location_id=location_id, domain=domain)
    response_file = DownloadUsers(location).dump()
    response = HttpResponse(response_file, content_type="text/html; charset=utf-8")
    timezone = get_timezone_for_user(request.couch_user, domain)
    creation_time = datetime.now(timezone).strftime(FILENAME_DATETIME_FORMAT)
    filename = f"[{domain}] {location.name} Location Reassignment Request Template {creation_time}"
    response['Content-Disposition'] = safe_filename_header(filename, 'xlsx')
    return response
Esempio n. 23
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def dump_locations(domain,
                   download_id,
                   include_consumption,
                   headers_only,
                   owner_id,
                   root_location_ids=None,
                   task=None,
                   **kwargs):
    exporter = LocationExporter(domain,
                                include_consumption=include_consumption,
                                root_location_ids=root_location_ids,
                                headers_only=headers_only,
                                async_task=task,
                                **kwargs)

    fd, path = tempfile.mkstemp()
    writer = Excel2007ExportWriter()
    writer.open(header_table=exporter.get_headers(), file=path)
    with writer:
        exporter.write_data(writer)

    with open(path, 'rb') as file_:
        db = get_blob_db()
        expiry_mins = 60
        db.put(
            file_,
            domain=domain,
            parent_id=domain,
            type_code=CODES.tempfile,
            key=download_id,
            timeout=expiry_mins,
        )

        file_format = Format.from_format(Excel2007ExportWriter.format)
        filename = '{}_locations'.format(domain)
        if len(root_location_ids) == 1:
            root_location = SQLLocation.objects.get(
                location_id=root_location_ids[0])
            filename += '_{}'.format(root_location.name)
        expose_blob_download(
            download_id,
            expiry=expiry_mins * 60,
            mimetype=file_format.mimetype,
            content_disposition=safe_filename_header(filename,
                                                     file_format.extension),
            download_id=download_id,
            owner_ids=[owner_id],
        )
Esempio n. 24
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 def _po_file_response(self):
     uploaded_file = self.convert_translation_form.cleaned_data.get(
         'upload_file')
     worksheet = openpyxl.load_workbook(uploaded_file).worksheets[0]
     po_file_generator = self._generate_po_file(worksheet)
     try:
         with open(po_file_generator.generated_files[0][1],
                   'r',
                   encoding="utf-8") as f:
             content = f.read()
     finally:
         po_file_generator.cleanup()
     response = HttpResponse(content,
                             content_type="text/html; charset=utf-8")
     response['Content-Disposition'] = safe_filename_header(
         worksheet.title, 'po')
     return response
Esempio n. 25
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def _save_and_expose_zip(f, zip_name, domain, download_id):
    expiry_minutes = 60
    get_blob_db().put(
        f,
        key=download_id,
        domain=domain,
        parent_id=domain,
        type_code=CODES.form_multimedia,
        timeout=expiry_minutes,
    )
    expose_blob_download(
        download_id,
        expiry=expiry_minutes * 60,  # seconds
        mimetype='application/zip',
        content_disposition=safe_filename_header(zip_name, 'zip'),
        download_id=download_id,
    )
Esempio n. 26
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def generate_toggle_csv_download(self, tag, download_id, username):
    toggles = _get_toggles_with_tag(tag)
    total = _get_toggle_item_count(toggles)
    current_progress = [0]

    def increment_progress():
        current_progress[0] += 1
        DownloadBase.set_progress(self, current_progress[0], total)

    timeout_mins = 24 * 60
    with TransientTempfile() as temp_path:
        _write_toggle_data(temp_path, toggles, increment_progress)

        with open(temp_path, 'rb') as file:
            db = get_blob_db()
            meta = db.put(
                file,
                domain="__system__",
                parent_id="__system__",
                type_code=CODES.tempfile,
                key=download_id,
                timeout=timeout_mins,
            )

    now = datetime.utcnow().strftime("%Y-%m-%d-%H-%M-%S")
    filename = f'{settings.SERVER_ENVIRONMENT}_toggle_export_{now}'
    expose_blob_download(
        download_id,
        expiry=timeout_mins * 60,
        content_disposition=safe_filename_header(filename, ".csv"),
        download_id=download_id,
    )

    user = CouchUser.get_by_username(username)
    if user:
        url = absolute_reverse("retrieve_download", args=[download_id])
        url += "?get_file"
        valid_until = meta.expires_on.replace(
            tzinfo=pytz.UTC).strftime(USER_DATETIME_FORMAT)
        send_HTML_email("Feature Flag download ready",
                        user.get_email(),
                        html_content=inspect.cleandoc(f"""
        Download URL: {url}
        Download Valid until: {valid_until}
        """))
Esempio n. 27
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def expose_zipped_blob_download(data_path, filename, format, domain):
    """Expose zipped file content as a blob download

    :param data_path: Path to data file. Will be deleted.
    :param filename: File name.
    :param format: `couchexport.models.Format` constant.
    :param domain: Domain name.
    :returns: A link to download the file.
    """
    try:
        _, zip_temp_path = tempfile.mkstemp(".zip")
        with ZipFile(zip_temp_path, 'w') as zip_file_:
            zip_file_.write(data_path, filename)
    finally:
        os.remove(data_path)

    try:
        expiry_mins = 60 * 24
        file_format = Format.from_format(format)
        file_name_header = safe_filename_header(filename, file_format.extension)
        ref = expose_blob_download(
            filename,
            expiry=expiry_mins * 60,
            mimetype=file_format.mimetype,
            content_disposition=file_name_header
        )
        with open(zip_temp_path, 'rb') as file_:
            get_blob_db().put(
                file_,
                domain=domain,
                parent_id=domain,
                type_code=CODES.tempfile,
                key=ref.download_id,
                timeout=expiry_mins
            )
    finally:
        os.remove(zip_temp_path)

    return "%s%s?%s" % (
        get_url_base(),
        reverse('retrieve_download', kwargs={'download_id': ref.download_id}),
        "get_file"  # download immediately rather than rendering page
    )
Esempio n. 28
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def populate_export_download_task(export_instances,
                                  filters,
                                  download_id,
                                  filename=None,
                                  expiry=10 * 60 * 60):
    export_file = get_export_file(
        export_instances,
        filters,
        # We don't have a great way to calculate progress if it's a bulk download,
        # so only track the progress for single instance exports.
        progress_tracker=populate_export_download_task
        if len(export_instances) == 1 else None)

    file_format = Format.from_format(export_file.format)
    filename = filename or export_instances[0].name

    with export_file as file_:
        db = get_blob_db()
        db.put(file_, download_id, timeout=expiry)

        expose_blob_download(
            download_id,
            mimetype=file_format.mimetype,
            content_disposition=safe_filename_header(filename,
                                                     file_format.extension),
            download_id=download_id,
        )

    domain = export_instances[0].domain
    email_requests = EmailExportWhenDoneRequest.objects.filter(
        domain=domain, download_id=download_id)
    for email_request in email_requests:
        try:
            couch_user = CouchUser.get_by_user_id(email_request.user_id,
                                                  domain=domain)
        except CouchUser.AccountTypeError:
            pass
        else:
            if couch_user is not None:
                process_email_request(domain, download_id,
                                      couch_user.get_email())
    email_requests.delete()
Esempio n. 29
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def get_download_response(payload, content_length, content_format, filename, request=None):
    """
    :param payload: File like object.
    :param content_length: Size of payload in bytes
    :param content_format: ``couchexport.models.Format`` instance
    :param filename: Name of the download
    :param request: The request. Used to determine if a range response should be given.
    :return: HTTP response
    """
    ranges = None
    if request and "HTTP_RANGE" in request.META:
        try:
            ranges = parse_range_header(request.META['HTTP_RANGE'], content_length)
        except ValueError:
            pass

    if ranges and len(ranges.ranges) != 1:
        ranges = None

    response = StreamingHttpResponse(content_type=content_format.mimetype)
    if content_format.download:
        response['Content-Disposition'] = safe_filename_header(filename)

    response["Content-Length"] = content_length
    response["Accept-Ranges"] = "bytes"

    if ranges:
        start, stop = ranges.ranges[0]
        if stop is not None and stop > content_length:
            # requested range not satisfiable
            return HttpResponse(status=416)

        response.streaming_content = RangedFileWrapper(payload, start=start, stop=stop or float("inf"))
        end = stop or content_length
        response["Content-Range"] = "bytes %d-%d/%d" % (start, end - 1, content_length)
        response["Content-Length"] = end - start
        response.status_code = 206
    else:
        response.streaming_content = FileWrapper(payload)

    return response
Esempio n. 30
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 def _zip_file_response(self):
     uploaded_file = self.convert_translation_form.cleaned_data.get('upload_file')
     uploaded_zipfile = ZipFile(uploaded_file)
     mem_file = BytesIO()
     with ZipFile(mem_file, 'w') as zipfile:
         for file_info in uploaded_zipfile.filelist:
             filename = file_info.filename
             if filename.endswith('.po'):
                 po_file = BytesIO(uploaded_zipfile.read(filename))
                 wb = self._generate_excel_file(po_file)
                 result_filename = filename.split('.po')[0]
                 zipfile.writestr(result_filename + '.xlsx', get_file_content_from_workbook(wb))
             elif filename.endswith('.xls') or filename.endswith('.xlsx'):
                 worksheet = openpyxl.load_workbook(BytesIO(uploaded_zipfile.read(filename))).worksheets[0]
                 po_file_content = self._generate_po_content(worksheet)
                 result_filename = filename.split('.xls')[0]
                 zipfile.writestr(result_filename + '.po', po_file_content)
             else:
                 assert False, "unexpected filename: {}".format(filename)
     mem_file.seek(0)
     response = HttpResponse(mem_file, content_type="text/html")
     zip_filename = 'Converted-' + uploaded_zipfile.filename.split('.zip')[0]
     response['Content-Disposition'] = safe_filename_header(zip_filename, "zip")
     return response
Esempio n. 31
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def populate_export_download_task(domain,
                                  export_ids,
                                  exports_type,
                                  username,
                                  es_filters,
                                  download_id,
                                  owner_id,
                                  filename=None,
                                  expiry=10 * 60):
    """
    :param expiry:  Time period for the export to be available for download in minutes
    """

    email_requests = EmailExportWhenDoneRequest.objects.filter(
        domain=domain, download_id=download_id)

    if settings.STALE_EXPORT_THRESHOLD is not None and not email_requests.count(
    ):
        delay = get_task_time_to_start(
            populate_export_download_task.request.id)
        if delay.total_seconds() > settings.STALE_EXPORT_THRESHOLD:
            metrics_counter('commcare.exports.rejected_unfresh_export')
            raise RejectedStaleExport()

    export_instances = [
        get_export(exports_type, domain, export_id, username)
        for export_id in export_ids
    ]
    with TransientTempfile() as temp_path, metrics_track_errors(
            'populate_export_download_task'):
        export_file = get_export_file(
            export_instances,
            es_filters,
            temp_path,
            # We don't have a great way to calculate progress if it's a bulk download,
            # so only track the progress for single instance exports.
            progress_tracker=populate_export_download_task
            if len(export_instances) == 1 else None)

        file_format = Format.from_format(export_file.format)
        filename = filename or export_instances[0].name

        with export_file as file_:
            db = get_blob_db()
            db.put(
                file_,
                domain=domain,
                parent_id=domain,
                type_code=CODES.data_export,
                key=download_id,
                timeout=expiry,
            )

            expose_blob_download(
                download_id,
                expiry=expiry * 60,
                mimetype=file_format.mimetype,
                content_disposition=safe_filename_header(
                    filename, file_format.extension),
                download_id=download_id,
                owner_ids=[owner_id],
            )

    for email_request in email_requests:
        try:
            couch_user = CouchUser.get_by_user_id(email_request.user_id,
                                                  domain=domain)
        except CouchUser.AccountTypeError:
            pass
        else:
            if couch_user is not None:
                process_email_request(domain, download_id,
                                      couch_user.get_email())
    email_requests.delete()
Esempio n. 32
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def test_format_and_set_as_header(self, filename, expected_filename):
    self.assertEqual(safe_filename(filename), expected_filename)
    self.assertWorksAsHeader(safe_filename_header(filename))
Esempio n. 33
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 def test_header_format(self):
     header = safe_filename_header('test', 'zip')
     self.assertWorksAsHeader(header)
     expected = 'attachment; filename="test.zip"; filename*=UTF-8\'\'test.zip'
     self.assertEqual(header, expected)
Esempio n. 34
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 def _excel_file_response(self):
     wb = self._generate_excel_file(self.convert_translation_form.cleaned_data.get('upload_file'))
     content = get_file_content_from_workbook(wb)
     response = HttpResponse(content, content_type="text/html; charset=utf-8")
     response['Content-Disposition'] = safe_filename_header(self._uploaded_file_name.split('.po')[0], 'xlsx')
     return response