Extract table column values using xpath excluding
I am trying to scrap some table column values using scrapy and stuck on how to get a column value. The code right now is
response.xpath('//table//tr//td[4]//text()').extract()
It does extract the column values but the problem is some columns does have
<td> value 1 <sup> sup text </sup> </td>
and the return values are value1 , sup text which is not what i do require .I need only i tried the code with td[4][not(sup)] but it does completely ignore the columns with <sup> .
Is there a way to get the values excluding <sup> .
python xpath scrapy
asked Nov 22 '18 at 2:54
Anoop DAnoop D
493615
add a comment |
I am trying to scrap some table column values using scrapy and stuck on how to get a column value. The code right now is
response.xpath('//table//tr//td[4]//text()').extract()
It does extract the column values but the problem is some columns does have
<td> value 1 <sup> sup text </sup> </td>
and the return values are value1 , sup text which is not what i do require .I need only i tried the code with td[4][not(sup)] but it does completely ignore the columns with <sup> .
Is there a way to get the values excluding <sup> .
python xpath scrapy
asked Nov 22 '18 at 2:54
Anoop DAnoop D
493615
You've said what you DON'T want, but you haven't said what you DO want. For example, if the input is `<td>H<sub>2</sub>O</td>, what do you want the result to be?
– Michael Kay
Nov 22 '18 at 10:56
What i need wasH, the answer below gives it
– Anoop D
Nov 22 '18 at 15:56
No, the answer you accepted returns two text nodes, containing "H" and "O" respectively. In some contexts (but we don't know the context) when you select two nodes, the second will be ignored. But in general if you only want the first text node then you should add a predicate[1].
– Michael Kay
Nov 22 '18 at 15:57
Sorry , it does works in my context ,........ the answer is not returning<sup>value , it works perfectly for me .
– Anoop D
Nov 23 '18 at 4:13
add a comment |
I am trying to scrap some table column values using scrapy and stuck on how to get a column value. The code right now is
response.xpath('//table//tr//td[4]//text()').extract()
It does extract the column values but the problem is some columns does have
<td> value 1 <sup> sup text </sup> </td>
and the return values are value1 , sup text which is not what i do require .I need only i tried the code with td[4][not(sup)] but it does completely ignore the columns with <sup> .
Is there a way to get the values excluding <sup> .
python xpath scrapy
asked Nov 22 '18 at 2:54
Anoop DAnoop D
493615
I am trying to scrap some table column values using scrapy and stuck on how to get a column value. The code right now is
response.xpath('//table//tr//td[4]//text()').extract()
It does extract the column values but the problem is some columns does have
<td> value 1 <sup> sup text </sup> </td>
and the return values are value1 , sup text which is not what i do require .I need only i tried the code with td[4][not(sup)] but it does completely ignore the columns with <sup> .
Is there a way to get the values excluding <sup> .
python xpath scrapy
python xpath scrapy
asked Nov 22 '18 at 2:54
Anoop DAnoop D
493615
asked Nov 22 '18 at 2:54
Anoop DAnoop D
493615
asked Nov 22 '18 at 2:54
Anoop DAnoop D
493615
asked Nov 22 '18 at 2:54
Anoop DAnoop D
493615
asked Nov 22 '18 at 2:54
Anoop DAnoop D
493615
493615
You've said what you DON'T want, but you haven't said what you DO want. For example, if the input is `<td>H<sub>2</sub>O</td>, what do you want the result to be?
– Michael Kay
Nov 22 '18 at 10:56
What i need wasH, the answer below gives it
– Anoop D
Nov 22 '18 at 15:56
No, the answer you accepted returns two text nodes, containing "H" and "O" respectively. In some contexts (but we don't know the context) when you select two nodes, the second will be ignored. But in general if you only want the first text node then you should add a predicate[1].
– Michael Kay
Nov 22 '18 at 15:57
Sorry , it does works in my context ,........ the answer is not returning<sup>value , it works perfectly for me .
– Anoop D
Nov 23 '18 at 4:13
add a comment |
You've said what you DON'T want, but you haven't said what you DO want. For example, if the input is `<td>H<sub>2</sub>O</td>, what do you want the result to be?
– Michael Kay
Nov 22 '18 at 10:56
What i need wasH, the answer below gives it
– Anoop D
Nov 22 '18 at 15:56
No, the answer you accepted returns two text nodes, containing "H" and "O" respectively. In some contexts (but we don't know the context) when you select two nodes, the second will be ignored. But in general if you only want the first text node then you should add a predicate[1].
– Michael Kay
Nov 22 '18 at 15:57
Sorry , it does works in my context ,........ the answer is not returning<sup>value , it works perfectly for me .
– Anoop D
Nov 23 '18 at 4:13
You've said what you DON'T want, but you haven't said what you DO want. For example, if the input is `<td>H<sub>2</sub>O</td>, what do you want the result to be?
– Michael Kay
Nov 22 '18 at 10:56
You've said what you DON'T want, but you haven't said what you DO want. For example, if the input is `<td>H<sub>2</sub>O</td>, what do you want the result to be?
– Michael Kay
Nov 22 '18 at 10:56
What i need was
H , the answer below gives it– Anoop D
Nov 22 '18 at 15:56
What i need was
H , the answer below gives it– Anoop D
Nov 22 '18 at 15:56
No, the answer you accepted returns two text nodes, containing "H" and "O" respectively. In some contexts (but we don't know the context) when you select two nodes, the second will be ignored. But in general if you only want the first text node then you should add a predicate
[1].– Michael Kay
Nov 22 '18 at 15:57
No, the answer you accepted returns two text nodes, containing "H" and "O" respectively. In some contexts (but we don't know the context) when you select two nodes, the second will be ignored. But in general if you only want the first text node then you should add a predicate
[1].– Michael Kay
Nov 22 '18 at 15:57
Sorry , it does works in my context ,........ the answer is not returning
<sup> value , it works perfectly for me .– Anoop D
Nov 23 '18 at 4:13
Sorry , it does works in my context ,........ the answer is not returning
<sup> value , it works perfectly for me .– Anoop D
Nov 23 '18 at 4:13
add a comment |
1 Answer
1
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You need
//td[4]/text()
to get child text node. Note that //td[4]//text() - returns descendant text nodes (including text from sup)
answered Nov 22 '18 at 6:20
AnderssonAndersson
38.9k103469
add a comment |
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1 Answer
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1 Answer
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You need
//td[4]/text()
to get child text node. Note that //td[4]//text() - returns descendant text nodes (including text from sup)
answered Nov 22 '18 at 6:20
AnderssonAndersson
38.9k103469
add a comment |
You need
//td[4]/text()
to get child text node. Note that //td[4]//text() - returns descendant text nodes (including text from sup)
answered Nov 22 '18 at 6:20
AnderssonAndersson
38.9k103469
add a comment |
You need
//td[4]/text()
to get child text node. Note that //td[4]//text() - returns descendant text nodes (including text from sup)
answered Nov 22 '18 at 6:20
AnderssonAndersson
38.9k103469
You need
//td[4]/text()
to get child text node. Note that //td[4]//text() - returns descendant text nodes (including text from sup)
answered Nov 22 '18 at 6:20
AnderssonAndersson
38.9k103469
answered Nov 22 '18 at 6:20
AnderssonAndersson
38.9k103469
answered Nov 22 '18 at 6:20
AnderssonAndersson
38.9k103469
answered Nov 22 '18 at 6:20
AnderssonAndersson
38.9k103469
38.9k103469
add a comment |
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You've said what you DON'T want, but you haven't said what you DO want. For example, if the input is `<td>H<sub>2</sub>O</td>, what do you want the result to be?
– Michael Kay
Nov 22 '18 at 10:56
What i need was
H, the answer below gives it– Anoop D
Nov 22 '18 at 15:56
No, the answer you accepted returns two text nodes, containing "H" and "O" respectively. In some contexts (but we don't know the context) when you select two nodes, the second will be ignored. But in general if you only want the first text node then you should add a predicate
[1].– Michael Kay
Nov 22 '18 at 15:57
Sorry , it does works in my context ,........ the answer is not returning
<sup>value , it works perfectly for me .– Anoop D
Nov 23 '18 at 4:13