Reading a folder containing all XML files into dataframe

Question

I have the following data set

    Unique_id   Labels  doc_id
0   00001   C   [9149180, 3781329]
1   00002   B   [4396080, 9207819, 9757979, 344087, 361152, 20...
2   00003   B   [1519858, 11734712]
3   00004   A   [15547167]
4   00005   C   [11392916]

Now each number in the column doc_id represent an XML file(9149180.XML) in the folder name trainset.

path = "/Users/public_dat/trainset"
files = os.listdir(path)
print(len(files))

1463

Each of the XML files contains several data, I am interested in extracting the data in the file under the heading

<abstract>
The influence of different contraceptive techniques on the incidence of pelvic inflammatory disease (PID) in 672 patients was studied. The lowest frequency of PID was found in patients using hormonal
<\abstract>

and make a column with titled abstract. If the doc_id has two files then merge the data.

So I want to read the first file from the folder. To test if it's reading I did the following code

list_of_files=os.listdir(path)
file_path_file1 = os.path.join(path, list_of_files[0])
pd.read_xml(file_path_file1)

It give the output as follows

medlinecitation pubmeddata
0   NaN NaN

I was expecting a column with title 'abstract'. I am wondering how read all the files into dataframe where each row have id by the file number and column as abstract.

Answer 1

We've found that the culprit were missing Proguard rules:

-keep class okhttp3.** { *; }
-keep interface okhttp3.** { *; }
-dontwarn okhttp3.**

These were originally part of RN but they were removed: https://github.com/facebook/react-native/pull/30514

Also I don't understand why these are not documented here: https://github.com/wix/Detox/blob/master/examples/demo-react-native/android/app/proguard-rules.pro