Tôi có một trang html bao gồm một bảng & Tôi muốn tìm nạp tất cả các giá trị trong td, tr trong bảng đó.
Tôi đã thử làm việc với beautifulsoup nhưng bây giờ tôi muốn làm việc trên lxml hoặc trình phân tích cú pháp HML với python.phân tích cú pháp bảng HTML bằng cách sử dụng python - HTMLparser hoặc lxml
Tôi đã đính kèm ví dụ.
Tôi muốn lấy giá trị như danh sách các tuple như
[
[(value of 2050 jan, value of main subject-part1-sub part1-subject1), (value of 2050 feb, value of main subject-part1-sub part1-subject1),... ],
[(value of 2050 jan, value of main subject-part1-sub part1-subject2), (value of 2050 feb, value of main subject-part1-sub part1-subject2)... ]
]
và vân vân.
Bất kỳ ai cũng có thể cho tôi biết cách xử lý theo cách "tối ưu" bằng cách sử dụng trình phân tích cú pháp lxml hoặc HTML python?
dụ: test.html
<HTML>
<HEAD>
<TITLE>Title</TITLE>
</HEAD>
<BODY>
<TABLE BORDER>
<TR ALIGN=LEFT>
<TH COLSPAN=38>Main Subject</TH>
</TR>
<TR ALIGN=LEFT>
<TH COLSPAN=2> </TH>
<TH VALIGN=TOP COLSPAN=18>part1</TH>
<TH VALIGN=TOP COLSPAN=18>part2</TH>
</TR>
<TR ALIGN=LEFT>
<TH COLSPAN=2> </TH>
<TH VALIGN=TOP COLSPAN=9>sub-part1</TH>
<TH VALIGN=TOP COLSPAN=9>sub-part2</TH>
<TH VALIGN=TOP COLSPAN=9>sub-part3</TH>
<TH VALIGN=TOP COLSPAN=9>sub-part4</TH>
</TR>
<TR ALIGN=LEFT>
<TH COLSPAN=2> </TH>
<TH VALIGN=TOP COLSPAN=1>subject1</TH>
<TH VALIGN=TOP COLSPAN=1>subject2</TH>
<TH VALIGN=TOP COLSPAN=1>subject10</TH>
<TH VALIGN=TOP COLSPAN=1>subject11</TH>
<TH VALIGN=TOP COLSPAN=1>subject12</TH>
<TH VALIGN=TOP COLSPAN=1>subject13</TH>
<TH VALIGN=TOP COLSPAN=1>subject14</TH>
<TH VALIGN=TOP COLSPAN=1>subject15</TH>
<TH VALIGN=TOP COLSPAN=1>subject16</TH>
<TH VALIGN=TOP COLSPAN=1>subject17</TH>
<TH VALIGN=TOP COLSPAN=1>subject18</TH>
<TH VALIGN=TOP COLSPAN=1>subject19</TH>
<TH VALIGN=TOP COLSPAN=1>subject20</TH>
<TH VALIGN=TOP COLSPAN=1>subject21</TH>
<TH VALIGN=TOP COLSPAN=1>subject22</TH>
<TH VALIGN=TOP COLSPAN=1>subject23</TH>
<TH VALIGN=TOP COLSPAN=1>subject24</TH>
<TH VALIGN=TOP COLSPAN=1>subject25</TH>
<TH VALIGN=TOP COLSPAN=1>subject26</TH>
<TH VALIGN=TOP COLSPAN=1>subject27</TH>
<TH VALIGN=TOP COLSPAN=1>subject28</TH>
<TH VALIGN=TOP COLSPAN=1>subject29</TH>
<TH VALIGN=TOP COLSPAN=1>subject30</TH>
<TH VALIGN=TOP COLSPAN=1>subject31</TH>
<TH VALIGN=TOP COLSPAN=1>subject32</TH>
<TH VALIGN=TOP COLSPAN=1>subject33</TH>
<TH VALIGN=TOP COLSPAN=1>subject34</TH>
<TH VALIGN=TOP COLSPAN=1>subject35</TH>
<TH VALIGN=TOP COLSPAN=1>subject36</TH>
</TR>
<TR ALIGN=RIGHT>
<TH ALIGN=LEFT VALIGN=TOP ROWSPAN=12>2050</TH>
<TH ALIGN=LEFT>January</TH>
<TD>0</TD>
<TD>1</TD>
<TD>3</TD>
<TD>0</TD>
<TD>4</TD>
<TD>16</TD>
<TD>0</TD>
<TD>6</TD>
<TD>2</TD>
<TD>2</TD>
<TD>0</TD>
<TD>3</TD>
<TD>0</TD>
<TD>3</TD>
<TD>2</TD>
<TD>0</TD>
<TD>26</TD>
<TD>1</TD>
<TD>0</TD>
<TD>0</TD>
<TD>7</TD>
<TD>0</TD>
<TD>5</TD>
<TD>6</TD>
<TD>0</TD>
<TD>8</TD>
<TD>2</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>2</TD>
<TD>0</TD>
</TR>
<TR ALIGN=RIGHT>
<TH ALIGN=LEFT>February</TH>
<TD>1</TD>
<TD>0</TD>
<TD>8</TD>
<TD>0</TD>
<TD>2</TD>
<TD>4</TD>
<TD>1</TD>
<TD>6</TD>
<TD>1</TD>
<TD>2</TD>
<TD>0</TD>
<TD>3</TD>
<TD>0</TD>
<TD>0</TD>
<TD>4</TD>
<TD>0</TD>
<TD>25</TD>
<TD>0</TD>
<TD>0</TD>
<TD>1</TD>
<TD>2</TD>
<TD>0</TD>
<TD>4</TD>
<TD>14</TD>
<TD>1</TD>
<TD>1</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>1</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
</TR>
<TR ALIGN=RIGHT>
<TH ALIGN=LEFT>March</TH>
<TD>0</TD>
<TD>0</TD>
<TD>4</TD>
<TD>0</TD>
<TD>4</TD>
<TD>7</TD>
<TD>0</TD>
<TD>9</TD>
<TD>2</TD>
<TD>1</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>2</TD>
<TD>9</TD>
<TD>0</TD>
<TD>45</TD>
<TD>1</TD>
<TD>0</TD>
<TD>0</TD>
<TD>7</TD>
<TD>0</TD>
<TD>10</TD>
<TD>16</TD>
<TD>0</TD>
<TD>5</TD>
<TD>1</TD>
<TD>1</TD>
<TD>0</TD>
<TD>1</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>4</TD>
<TD>0</TD>
</TR>
<TR ALIGN=RIGHT>
<TH ALIGN=LEFT>April</TH>
<TD>1</TD>
<TD>0</TD>
<TD>5</TD>
<TD>0</TD>
<TD>3</TD>
<TD>12</TD>
<TD>1</TD>
<TD>11</TD>
<TD>0</TD>
<TD>3</TD>
<TD>0</TD>
<TD>3</TD>
<TD>0</TD>
<TD>0</TD>
<TD>3</TD>
<TD>2</TD>
<TD>34</TD>
<TD>0</TD>
<TD>0</TD>
<TD>1</TD>
<TD>2</TD>
<TD>0</TD>
<TD>6</TD>
<TD>18</TD>
<TD>1</TD>
<TD>3</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>5</TD>
<TD>1</TD>
</TR>
<TR ALIGN=RIGHT>
<TH ALIGN=LEFT>May</TH>
<TD>7</TD>
<TD>0</TD>
<TD>6</TD>
<TD>0</TD>
<TD>8</TD>
<TD>4</TD>
<TD>1</TD>
<TD>13</TD>
<TD>0</TD>
<TD>0</TD>
<TD>2</TD>
<TD>2</TD>
<TD>0</TD>
<TD>1</TD>
<TD>7</TD>
<TD>1</TD>
<TD>30</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>7</TD>
<TD>0</TD>
<TD>5</TD>
<TD>12</TD>
<TD>0</TD>
<TD>4</TD>
<TD>1</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>6</TD>
<TD>1</TD>
</TR>
<TR ALIGN=RIGHT>
<TH ALIGN=LEFT>June</TH>
<TD>0</TD>
<TD>1</TD>
<TD>14</TD>
<TD>0</TD>
<TD>7</TD>
<TD>15</TD>
<TD>0</TD>
<TD>17</TD>
<TD>1</TD>
<TD>2</TD>
<TD>0</TD>
<TD>5</TD>
<TD>0</TD>
<TD>1</TD>
<TD>3</TD>
<TD>0</TD>
<TD>24</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>5</TD>
<TD>0</TD>
<TD>6</TD>
<TD>13</TD>
<TD>1</TD>
<TD>9</TD>
<TD>1</TD>
<TD>1</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>2</TD>
<TD>1</TD>
</TR>
<TR ALIGN=RIGHT>
<TH ALIGN=LEFT>July</TH>
<TD>0</TD>
<TD>1</TD>
<TD>6</TD>
<TD>0</TD>
<TD>8</TD>
<TD>17</TD>
<TD>1</TD>
<TD>15</TD>
<TD>2</TD>
<TD>1</TD>
<TD>0</TD>
<TD>10</TD>
<TD>0</TD>
<TD>2</TD>
<TD>15</TD>
<TD>2</TD>
<TD>53</TD>
<TD>0</TD>
<TD>3</TD>
<TD>3</TD>
<TD>6</TD>
<TD>0</TD>
<TD>7</TD>
<TD>16</TD>
<TD>0</TD>
<TD>9</TD>
<TD>1</TD>
<TD>1</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>1</TD>
<TD>0</TD>
<TD>2</TD>
<TD>0</TD>
</TR>
<TR ALIGN=RIGHT>
<TH ALIGN=LEFT>August</TH>
<TD>2</TD>
<TD>0</TD>
<TD>5</TD>
<TD>0</TD>
<TD>8</TD>
<TD>15</TD>
<TD>1</TD>
<TD>17</TD>
<TD>0</TD>
<TD>2</TD>
<TD>0</TD>
<TD>2</TD>
<TD>0</TD>
<TD>5</TD>
<TD>16</TD>
<TD>0</TD>
<TD>33</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>11</TD>
<TD>0</TD>
<TD>2</TD>
<TD>25</TD>
<TD>4</TD>
<TD>8</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>1</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>3</TD>
<TD>0</TD>
</TR>
<TR ALIGN=RIGHT>
<TH ALIGN=LEFT>September</TH>
<TD>2</TD>
<TD>0</TD>
<TD>10</TD>
<TD>0</TD>
<TD>16</TD>
<TD>22</TD>
<TD>2</TD>
<TD>19</TD>
<TD>4</TD>
<TD>2</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>2</TD>
<TD>8</TD>
<TD>0</TD>
<TD>27</TD>
<TD>0</TD>
<TD>1</TD>
<TD>0</TD>
<TD>8</TD>
<TD>0</TD>
<TD>11</TD>
<TD>31</TD>
<TD>1</TD>
<TD>9</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>1</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>1</TD>
<TD>1</TD>
<TD>0</TD>
</TR>
<TR ALIGN=RIGHT>
<TH ALIGN=LEFT>October</TH>
<TD>3</TD>
<TD>1</TD>
<TD>8</TD>
<TD>0</TD>
<TD>4</TD>
<TD>28</TD>
<TD>0</TD>
<TD>15</TD>
<TD>2</TD>
<TD>1</TD>
<TD>0</TD>
<TD>1</TD>
<TD>0</TD>
<TD>1</TD>
<TD>6</TD>
<TD>0</TD>
<TD>15</TD>
<TD>0</TD>
<TD>1</TD>
<TD>0</TD>
<TD>3</TD>
<TD>0</TD>
<TD>9</TD>
<TD>26</TD>
<TD>1</TD>
<TD>8</TD>
<TD>4</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>1</TD>
<TD>0</TD>
</TR>
<TR ALIGN=RIGHT>
<TH ALIGN=LEFT>November</TH>
<TD>0</TD>
<TD>3</TD>
<TD>3</TD>
<TD>0</TD>
<TD>6</TD>
<TD>23</TD>
<TD>1</TD>
<TD>8</TD>
<TD>1</TD>
<TD>2</TD>
<TD>0</TD>
<TD>1</TD>
<TD>0</TD>
<TD>3</TD>
<TD>7</TD>
<TD>1</TD>
<TD>20</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>8</TD>
<TD>0</TD>
<TD>3</TD>
<TD>18</TD>
<TD>3</TD>
<TD>7</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>3</TD>
<TD>0</TD>
</TR>
<TR ALIGN=RIGHT>
<TH ALIGN=LEFT>December</TH>
<TD>1</TD>
<TD>0</TD>
<TD>4</TD>
<TD>0</TD>
<TD>4</TD>
<TD>13</TD>
<TD>2</TD>
<TD>15</TD>
<TD>1</TD>
<TD>0</TD>
<TD>0</TD>
<TD>2</TD>
<TD>0</TD>
<TD>1</TD>
<TD>2</TD>
<TD>0</TD>
<TD>29</TD>
<TD>0</TD>
<TD>1</TD>
<TD>0</TD>
<TD>7</TD>
<TD>0</TD>
<TD>3</TD>
<TD>20</TD>
<TD>1</TD>
<TD>13</TD>
<TD>0</TD>
<TD>1</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>0</TD>
<TD>3</TD>
<TD>0</TD>
</TR>
</TABLE>
</BODY>
</HTML>
+1 cho một câu hỏi may mắn tìm cách sử dụng các công cụ thích hợp cho HTML phân tích – bernie