Receives a response and a dict (representing each row) with a key for each provided (or detected) header of the CSV file. This spider also gives the opportunity to override adapt_response and process_results this option, but it is important for CSV because unlike many other export formats CSV uses a fixed header. XML • Value for the format key in the FEEDS setting: xml • Exporter used: XmlItemExporter Pickle is passed as value, the HTTP header will not be sent at all. 102 Chapter 3. Basic concepts Scrapy Documentation, Release 2.6.3 Caution: Cookies set via the Cookie header are not considered by the Cook-

Receives a response and a dict (representing each row) with a key for each provided (or detected) header of the CSV file. This spider also gives the opportunity to override adapt_response and process_results this option, but it is important for CSV because unlike many other export formats CSV uses a fixed header. XML • Value for the format key in the FEEDS setting: xml • Exporter used: XmlItemExporter Pickle (for multi-valued headers). If None is passed as value, the HTTP header will not be sent at all. Caution: Cookies set via the Cookie header are not considered by the Cook- iesMiddleware. If you need to set

Receives a response and a dict (representing each row) with a key for each provided (or detected) header of the CSV file. This spider also gives the opportunity to override adapt_response and process_results this option, but it is important for CSV because unlike many other export formats CSV uses a fixed header. XML • Value for the format key in the FEEDS setting: xml • Exporter used: XmlItemExporter Pickle is passed as value, the HTTP header will not be sent at all. 104 Chapter 3. Basic concepts Scrapy Documentation, Release 2.9.0 Caution: Cookies set via the Cookie header are not considered by the Cook-

Receives a response and a dict (representing each row) with a key for each provided (or detected) header of the CSV file. This spider also gives the opportunity to override adapt_response and process_results this option, but it is important for CSV because unlike many other export formats CSV uses a fixed header. XML • Value for the format key in the FEEDS setting: xml • Exporter used: XmlItemExporter Pickle is passed as value, the HTTP header will not be sent at all. 102 Chapter 3. Basic concepts Scrapy Documentation, Release 2.8.0 Caution: Cookies set via the Cookie header are not considered by the Cook-

Receives a response and a dict (representing each row) with a key for each provided (or detected) header of the CSV file. This spider also gives the opportunity to override adapt_response and process_results this option, but it is important for CSV because unlike many other export formats CSV uses a fixed header. XML • Value for the format key in the FEEDS setting: xml • Exporter used: XmlItemExporter Pickle (for multi-valued headers). If None is passed as value, the HTTP header will not be sent at all. Caution: Cookies set via the Cookie header are not considered by the Cook- iesMiddleware. If you need to set

Receives a response and a dict (representing each row) with a key for each provided (or detected) header of the CSV file. This spider also gives the opportunity to override adapt_response and process_results this option, but it is important for CSV because unlike many other export formats CSV uses a fixed header. XML • Value for the format key in the FEEDS setting: xml • Exporter used: XmlItemExporter 3 (for multi-valued headers). If None is passed as value, the HTTP header will not be sent at all. Caution: Cookies set via the Cookie header are not considered by the Cook- iesMiddleware. If you need to set

Receives a response and a dict (representing each row) with a key for each provided (or detected) header of the CSV file. This spider also gives the opportunity to override adapt_response and process_results this option, but it is important for CSV because unlike many other export formats CSV uses a fixed header. XML • Value for the format key in the FEEDS setting: xml • Exporter used: XmlItemExporter Pickle (for multi-valued headers). If None is passed as value, the HTTP header will not be sent at all. Caution: Cookies set via the Cookie header are not considered by the Cook- iesMiddleware. If you need to set

Receives a response and a dict (representing each row) with a key for each provided (or detected) header of the CSV file. This spider also gives the opportunity to override adapt_response and process_results this option, but it is important for CSV because unlike many other export formats CSV uses a fixed header. XML • Value for the format key in the FEEDS setting: xml • Exporter used: XmlItemExporter Pickle (for multi-valued headers). If None is passed as value, the HTTP header will not be sent at all. Caution: Cookies set via the Cookie header are not considered by the Cook- iesMiddleware. If you need to set

Receives a response and a dict (representing each row) with a key for each provided (or detected) header of the CSV file. This spider also gives the opportunity to override adapt_response and process_results this option, but it is important for CSV because unlike many other export formats CSV uses a fixed header. XML • FEED_FORMAT: xml • Exporter used: XmlItemExporter Pickle • FEED_FORMAT: pickle • Exporter single valued headers) or lists (for multi-valued headers). If None is passed as value, the HTTP header will not be sent at all. • cookies (dict or list) – the request cookies. These can be sent in two

Receives a response and a dict (representing each row) with a key for each provided (or detected) header of the CSV file. This spider also gives the opportunity to override adapt_response and process_results this option, but it is important for CSV because unlike many other export formats CSV uses a fixed header. XML Value for the format key in the FEEDS setting: xml Exporter used: XmlItemExporter Pickle (for multi-valued headers). If None is passed as value, the HTTP header will not be sent at all. Caution Cookies set via the Cookie header are not considered by the CookiesMiddleware. If you need to set