Scrapy 0.9 Documentation
'three']) ['one', 'two', 'three'] class scrapy.contrib.loader.processor.TakeFirst Return the first non null/empty value from the values to received, so it’s typically used as output processor of single-valued0 码力 | 156 页 | 764.56 KB | 1 年前3Scrapy 0.9 Documentation
'three']) ['one', 'two', 'three'] class scrapy.contrib.loader.processor.TakeFirst Return the first non null/empty value from the values to received, so it’s typically used as output processor of single-valued0 码力 | 204 页 | 447.68 KB | 1 年前3Scrapy 0.14 Documentation
'three']) ['one', 'two', 'three'] class scrapy.contrib.loader.processor.TakeFirst Return the first non-null/non-empty value from the values received, so it’s typically used as an output processor to single-valued0 码力 | 235 页 | 490.23 KB | 1 年前3Scrapy 0.12 Documentation
'three']) ['one', 'two', 'three'] class scrapy.contrib.loader.processor.TakeFirst Return the first non-null/non-empty value from the values received, so it’s typically used as an output processor to single-valued0 码力 | 177 页 | 806.90 KB | 1 年前3Scrapy 0.12 Documentation
'three']) ['one', 'two', 'three'] class scrapy.contrib.loader.processor.TakeFirst Return the first non-null/non-empty value from the values received, so it’s typically used as an output processor to single-valued0 码力 | 228 页 | 462.54 KB | 1 年前3Scrapy 0.14 Documentation
'three']) ['one', 'two', 'three'] class scrapy.contrib.loader.processor.TakeFirst Return the first non-null/non-empty value from the values received, so it’s typically used as an output processor to single-valued0 码力 | 179 页 | 861.70 KB | 1 年前3Scrapy 0.16 Documentation
'three']) ['one', 'two', 'three'] class scrapy.contrib.loader.processor.TakeFirst Return the first non-null/non-empty value from the values received, so it’s typically used as an output processor to single-valued0 码力 | 203 页 | 931.99 KB | 1 年前3Scrapy 0.18 Documentation
'three']) ['one', 'two', 'three'] class scrapy.contrib.loader.processor.TakeFirst Return the first non-null/non-empty value from the values received, so it’s typically used as an output processor to single-valued0 码力 | 201 页 | 929.55 KB | 1 年前3Scrapy 0.22 Documentation
’three’]) [’one’, ’two’, ’three’] class scrapy.contrib.loader.processor.TakeFirst Return the first non-null/non-empty value from the values received, so it’s typically used as an output processor to single-valued0 码力 | 199 页 | 926.97 KB | 1 年前3Scrapy 0.20 Documentation
’three’]) [’one’, ’two’, ’three’] class scrapy.contrib.loader.processor.TakeFirst Return the first non-null/non-empty value from the values received, so it’s typically used as an output processor to single-valued0 码力 | 197 页 | 917.28 KB | 1 年前3
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