TRTH: Python Extract market depth data
Hi,
I'm in trouble to extract data from http response object.
I can't figure out how to extract data using job ID and $value endpoint. Use case reference says users can download the report by folowing final step, but can't find any gzip file in my directory.
How can I retrieve or find data from report_gzip or anyother types of objjects?
Thanks,
report_gzip= requests.get( "https://hosted.datascopeapi.reuters.com/RestApi/v1/Extractions/RawExtractionResults('0x05c5d18a57bb2f96')/$value",
headers = header2, stream=True)
Best Answer
-
The raw extraction result will be streamed in gzip format, and then stored in the Response object. You can use this method of the Python Requests module to save raw gzip streamed response to file.
Below is the sample code. You can also see this question.
filename = "result.csv.gz"
with open(filename,'wb') as f:
for data in report_gzip.raw.stream(decode_content=False):
f.write(data)0
Answers
-
Thank you, @veerapath.rungruengrayubkul
It works perfect on my environment. I was just wondering how to extract gzip file from response object, but it's now crystal clear.
Thanks again!
0 -
If you want to process the extracted result instead of writing to a gzip file, you need to use gzip to decompress the data. Below is the sample code.
import io
import gzip
fd = io.BytesIO()
for data in report_gzip.raw.stream(decode_content=False):
fd.write(data)
#decompress data
decompress_data = gzip.decompress(fd.getbuffer());
data = io.StringIO(decompress_data.decode('utf-8'))
for line in data:
print(line+'\n')Hope this help.
0 -
@veerapath.rungruengrayubkul
ok will use that sample code if I need to process the result, thank you!
0
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