使用beautifulsoup解析特定<div>中没有id/类的表

2024-10-06 11:29:50 发布

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我正试图从一个HTML页面的一部分解析数据，我用beautifulsoup抓取了这个页面。在

我有两个问题。网站上有很多表，但是它们没有唯一的标识符来方便地导航。在

我试过以下几点作为一个测试，但没有成功：

for tag in soup.find_all('div'):
    print tag.find('span')

这甚至找不到我抓取的页面中的div。在

我做错什么了？在

编辑 已更新源文件。在

我的代码返回一个错误TypeError:expected string or buffer是：

^{pr2}$

显然，这里的data是包含上述内容的文本文件。在

编辑：我要刮的页面。在

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<HEAD>
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var TRELOADID='sRi1272LJScu4';
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<table border='1px'><tr><td><table border='1px' cellspacing='0px' width='940px'><tr><td width='105px' ><span style='font-family:Arial; font-size:10pt; color:#000000;'> Episode No.</span></td><td width='139px' style='background-color:#0000FF;'><span style='font-weight:bold; color:#FFFF00;'>  PK01150438</span></td><td width='48px' ><span style='color:#000000;'> MRN</span></td><td width='192px' style='background-color:#0A246A;'><span style='font-weight:bold; color:#00FFFF;'>  MRN46913203</span></td><td width='39px' ><span style='color:#000000;'> Lab</span></td><td width='398px' style='background-color:#0A246A;'><span style='font-weight:bold; color:#D4D0C8;'>  Nelspruit Laboratory</span></td><td width='6px'></td></tr></table><table border='1px' cellspacing='0px' width='940px'><tr><td width='495px' ><span style='font-size:14pt; font-weight:bold; color:#0000FF;'> Unknown MALE</span></td><td width='37px' style='background-color:#0A246A;'><span style='font-size:10pt; font-weight:bold; color:#D4D0C8;'>  M</span></td><td width='88px' style='background-color:#0A246A;'><span style='font-size:9pt; font-weight:bold; color:#D4D0C8;'>  27 y</span></td><td width='130px' style='background-color:#0A246A;'><span style='font-size:10pt; font-weight:bold; color:#D4D0C8;'>  01/01/1988</span></td><td width='176px' style='background-color:#0A246A;'><span style='font-weight:bold; color:#D4D0C8;'>  </span></td><td width='6px'></td></tr></table><table border='1px' cellspacing='0px' width='940px'><tr><td width='418px' ><span style='font-size:8pt; color:#000000;'>  Clotted blood;EDTA blood</span></td><td width='339px' ><span style='font-size:8pt; color:#000000;'>  1</span></td><td width='178px' style='background-color:#0A246A;'><span style='font-size:10pt; font-weight:bold; color:#D4D0C8;'>  Routine</span></td><td width='3px'></td></tr></table><table border='1px' cellspacing='0px' width='940px'><tr><td width='40px' ><span style='font-size:10pt; color:#000000;'> F.N.</span></td><td width='154px' style='background-color:#0A246A;'><span style='font-weight:bold; color:#D4D0C8;'>  08/120456</span></td><td width='58px' ><span style='color:#000000;'> Ref No</span></td><td width='402px' style='background-color:#0A246A;'><span style='font-weight:bold; color:#D4D0C8;'>  AAWC0287NOF</span></td><td width='91px' ><span style='font-size:10pt; color:#000000;'> Collection</span></td><td width='115px' style='background-color:#0A246A;'><span style='font-weight:bold; color:#D4D0C8;'>  02/07/2015</span></td><td width='54px' style='background-color:#0A246A;'><span style='font-weight:bold; color:#D4D0C8;'>  00:30</span></td><td width='5px'></td></tr></table><table border='1px' cellspacing='0px' width='940px'><tr><td width='40px' ><span style='font-size:10pt; color:#000000;'> Hosp</span></td><td width='349px' style='background-color:#0A246A;'><span style='font-weight:bold; color:#D4D0C8;'>  Rob Ferreira Hospital</span></td><td width='26px' ><span style='color:#000000;'> </span></td><td width='240px' style='background-color:#0A246A;'><span style='font-weight:bold; color:#D4D0C8;'>  013 741 3031</span></td><td width='91px' ><span style='color:#000000;'> Received</span></td><td width='115px' style='background-color:#0A246A;'><span style='font-weight:bold; color:#D4D0C8;'>  02/07/2015</span></td><td width='54px' style='background-color:#0A246A;'><span style='font-weight:bold; color:#D4D0C8;'>  02:45</span></td><td width='6px'></td></tr></table><table border='1px' cellspacing='0px' width='940px'><tr><td width='40px' ><span style='font-size:10pt; color:#000000;'>  </span></td><td width='349px' style='background-color:#0A246A;'><span style='font-size:10pt; font-weight:bold; color:#D4D0C8;'>  Ward 4</span></td><td width='26px' ><span style='color:#000000;'> </span></td><td width='158px' style='background-color:#0A246A;'><span style='font-weight:bold; color:#D4D0C8;'>  </span></td><td width='362px'></td></tr></table><table border='1px' cellspacing='0px' width='940px'><tr><td width='40px' ><span style='font-size:10pt; color:#000000;'> Doc</span></td><td width='349px' style='background-color:#0A246A;'><span style='font-weight:bold; color:#D4D0C8;'>  DR IN CHARGE </span></td><td width='23px' ><span style='color:#000000;'> </span></td><td width='525px'></td></tr></table></td></tr></table></TD></TR></TBODY></TABLE>
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<TABLE><TBODY><TR><TD></TD><TD colSpan=3>
<pre>
</pre>
<pre>
<span style='font-family:Courier New,monospace; font-size:9pt; '>       Sodium</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>            Specimen insufficient for test(s)</span>
</pre>
<pre>
</pre>
<pre>
<span style='font-family:Courier New,monospace; font-size:9pt; '>       Potassium</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>            Specimen insufficient for test(s)</span>
</pre>
<pre>
</pre>
<pre>
<span style='font-family:Courier New,monospace; font-size:9pt; '>       Chloride</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>            Specimen insufficient for test(s)</span>
</pre>
<pre>
</pre>
<pre>
<span style='font-family:Courier New,monospace; font-size:9pt; '>       Bicarbonate</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>            Specimen insufficient for test(s)</span>
</pre>
<pre>
</pre>
<pre>
<span style='font-family:Courier New,monospace; font-size:9pt; '>       Urea</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>            Specimen insufficient for test(s)</span>
</pre>
<pre>
</pre>
<pre>
<span style='color:ORANGE;font-family:Courier New,monospace; font-size:9pt; '>            Authorised by xx  on 04/07/2015  at 17:02</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>       Creatinine</span><span style='font-weight:bold; font-family:Courier New,monospace; font-size:9pt; '>                       </span><span style='font-weight:bold; color:RED;font-family:Courier New,monospace; font-size:9pt; '>       116 H</span><span style='font-family:Courier New,monospace; font-size:9pt; '>    umol/L                    64 - 104</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>       eGFR (MDRD formula)                     >60      mL/min/1.73 m2</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>            MDRD-derived estimation of GFR may significantly underestimate true GFR</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>            in patients with GFR > 60 mL/min/1.73m^2.  It may also be unreliable in</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>            the case of: age <18 years or >70 years; pregnancy; serious co-morbid</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>            conditions; acute renal failure; extremes of body habitus/unusual diet,</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>            gross oedema. The MDRD-eGFR used here does not employ an ethnic factor</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>            for race.</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>            </span>
</pre>
<pre>
</pre>
<pre>
<span style='color:ORANGE;font-family:Courier New,monospace; font-size:9pt; '>            Authorised by xx  on 04/07/2015  at 17:02</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>       Calcium                                2.44      mmol/L                  2.15 - 2.55</span>
</pre>
<pre>
</pre>
<pre>
<span style='color:ORANGE;font-family:Courier New,monospace; font-size:9pt; '>            Authorised by xx  on 04/07/2015  at 17:02</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>       Magnesium                              0.88      mmol/L                  0.63 - 1.05</span>
</pre>
<pre>
</pre>
<pre>
<span style='color:ORANGE;font-family:Courier New,monospace; font-size:9pt; '>            Authorised by xx  on 04/07/2015  at 17:02</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>       Inorganic phosphate</span><span style='font-weight:bold; font-family:Courier New,monospace; font-size:9pt; '>              </span><span style='font-weight:bold; color:RED;font-family:Courier New,monospace; font-size:9pt; '>      1.47 H</span><span style='font-family:Courier New,monospace; font-size:9pt; '>    mmol/L                  0.78 - 1.42</span>
</pre>
<pre>
</pre>
<pre>
<span style='color:ORANGE;font-family:Courier New,monospace; font-size:9pt; '>            Authorised by xx  on 04/07/2015  at 17:02</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>       Total protein                            77      g/L                       60 - 78</span>
</pre>
<pre>
</pre>
<pre>
<span style='color:ORANGE;font-family:Courier New,monospace; font-size:9pt; '>            Authorised by xx  on 04/07/2015  at 17:02</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>       Albumin                                  48      g/L                       35 - 52</span>
</pre>
<pre>
</pre>
<pre>
<span style='color:ORANGE;font-family:Courier New,monospace; font-size:9pt; '>            Authorised by xx  on 04/07/2015  at 17:02</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>       Total bilirubin                           8      umol/L                     5 - 21</span>
</pre>
<pre>
</pre>
<pre>
<span style='color:ORANGE;font-family:Courier New,monospace; font-size:9pt; '>            Authorised by xx  on 04/07/2015  at 17:02</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>       Conjugated bilirubin (DBil)               1      umol/L                     0 - 3</span>
</pre>
<pre>
</pre>
<pre>
<span style='font-family:Courier New,monospace; font-size:9pt; '>       Alanine transaminase (ALT)</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>            Specimen insufficient for test(s)</span>
</pre>
<pre>
</pre>
<pre>
<span style='color:ORANGE;font-family:Courier New,monospace; font-size:9pt; '>            Authorised by xx  on 04/07/2015  at 17:02</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>       Aspartate transaminase (AST)             26      U/L                       15 - 40</span>
</pre>
<pre>
</pre>
<pre>
<span style='color:ORANGE;font-family:Courier New,monospace; font-size:9pt; '>            Authorised by xx  on 04/07/2015  at 17:02</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>       Alkaline phosphatase (ALP)               61      U/L                       53 - 128</span>
</pre>
<pre>
</pre>
<pre>
<span style='color:ORANGE;font-family:Courier New,monospace; font-size:9pt; '>            Authorised by xx  on 04/07/2015  at 17:02</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>       Gamma-glutamyl transferase (GGT)         18      U/L               <68</span>
</pre>
<pre>
</pre>
<pre>
<span style='font-family:Courier New,monospace; font-size:9pt; '>       Thyroid stimulating hormone (TSH)</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>            Specimen insufficient for test(s)</span>
</pre>
<pre>
</pre>
<pre>
<span style='font-family:Courier New,monospace; font-size:9pt; '>       Thyroxine (free T4)</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>            Specimen insufficient for test(s)</span>
</pre>
<pre>
</pre>
<pre>
<span style='color:ORANGE;font-family:Courier New,monospace; font-size:9pt; '>            Authorised by xx  on 02/07/2015  at 08:23</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>       White Cell Count             9.75   x 109/L                              3.92 - 10.40</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>       Red Cell Count               5.29   x 1012/L                             4.19 - 5.85</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>       Haemoglobin                  15.9   g/dL                                 13.4 - 17.5</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>       Haematocrit                 0.474   L/L                                 0.390 - 0.510</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>       MCV                          89.6   fL                                   83.1 - 101.6</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>       MCH                          30.0   pg                                   27.8 - 34.8</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>       MCHC                         33.5   g/dL                                 33.0 - 35.0</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>       RDW                          13.6   %                                    12.1 - 16.3</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>       Platelet Count                217   x 109/L                               171 - 388</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>       MPV                          10.0   fL                                    7.1 - 11.0</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>       Neutrophils                 65.60   %              6.40   x 109/L        1.60 - 6.98                                                                32.00 - 76.00</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>       Lymphocytes                 25.90   %              2.53   x 109/L        1.40 - 4.20                                                                   18.00 - 56.00</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>       Monocytes                    5.60   %              0.55   x 109/L        0.30 - 0.80                                                                    4.00 - 12.00</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>       Eosinophils                  0.50   %              0.05   x 109/L        0.00 - 0.95                                                                    0.00 - 8.00</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>       Basophils                    0.20   %              0.02   x 109/L        0.00 - 0.10                                                                    0.00 - 2.00</span>
<span style='font-family:Courier New,monospace; font-size:9pt; '>       "Other" Cells                2.10   %              0.20   x 109/L</span>
</pre>
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2条回答
网友
1楼 · 编辑于 2024-10-06 11:29:50

我不知道你为什么会有问题，但你没有显示所有的代码。您需要做的一件事是将tag.find_all('span')替换为标记。以下是工作代码：

bs = """ (your HTML code from above)  """
soup = BeautifulSoup(bs)

for tag in soup.find_all('div'):
    for span in tag.find_all('span'):
        print span.text

生成以下内容：

^{pr2}$
网友
2楼 · 编辑于 2024-10-06 11:29:50

修好了。在

我把一个大的html文件放到BeautifulSoup中。这非常有效，其中div name是我真正想要从文档中获取的信息。在

## create new beautiful soup page with last page source, element containing results
html_source = driver.find_element_by_id("dweb_EPVisitTestSet_FullLabPreview").text
soup = BeautifulSoup(html_source,'html.parser')
driver.quit()
print soup

它产生这样的输出：

^{pr2}$

这正是我想要的。现在只需格式化所有文本并将其放入字符串数组中。。。。在

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