#flask #pdf-generation #aws-api-gateway #python-3.7
Вопрос:
from flask import Flask, render_template, make_response import pdfkit app = Flask(__name__) @app.route('/lt;Customer_Full_Namegt;/lt;Customer_adressgt;/lt;customerID_numbergt;/lt;CurrentDategt;/lt;Digital_Signaturegt;') def pdf_template(Customer_Full_Name, Customer_adress, customerID_number,CurrentDate,Digital_Signature): rendered = render_template('pdf_template.html', Customer_Full_Name=Customer_Full_Name,Customer_adress=Customer_adress,customerID_number=customerID_number, CurrentDate=CurrentDate, Digital_Signature=Digital_Signature) pdf = pdfkit.from_string(rendered) response = make_response(pdf, False) response.headers['Content-Type'] = 'application/pdf' response.headers['Content-Disposition'] = 'inline;filename=output' return response # return render_template('pdf_template.html') if __name__ == '__main__': app.run(debug=True) 127.0.0.1 — — [11/Ноябрь/2021 16:56:58] «ПОЛУЧИТЬ /Customer_Fl_Name/Customedress/customD_number/CurntDate/Dil_Signature HTTP/1.1» 500 —
flask run выход:
* Serving Flask app 'app.py' (lazy loading) * Environment: production WARNING: This is a development server. Do not use it in a production deployment. Use a production WSGI server instead. * Debug mode: off * Running on http://127.0.0.1:5000/ (Press CTRL C to quit) [2021-11-11 16:58:20,679] ERROR in app: Exception on /Customer_Fl_Name/Customedress/customD_number/CurntDate/Dil_Signature [GET] Traceback (most recent call last): File "/Users/swapnil/Desktop/Clinsj_Certificate/venv/lib/python3.7/site-packages/flask/app.py", line 2073, in wsgi_app response = self.full_dispatch_request() File "/Users/swapnil/Desktop/Clinsj_Certificate/venv/lib/python3.7/site-packages/flask/app.py", line 1518, in full_dispatch_request rv = self.handle_user_exception(e) File "/Users/swapnil/Desktop/Clinsj_Certificate/venv/lib/python3.7/site-packages/flask/app.py", line 1516, in full_dispatch_request rv = self.dispatch_request() File "/Users/swapnil/Desktop/Clinsj_Certificate/venv/lib/python3.7/site-packages/flask/app.py", line 1502, in dispatch_request return self.ensure_sync(self.view_functions[rule.endpoint])(**req.view_args) File "/Users/swapnil/Desktop/Clinsj_Certificate/app.py", line 11, in pdf_template pdf = pdfkit.from_string(rendered, False) File "/Users/swapnil/Desktop/Clinsj_Certificate/venv/lib/python3.7/site-packages/pdfkit/api.py", line 72, in from_string return r.to_pdf(output_path) File "/Users/swapnil/Desktop/Clinsj_Certificate/venv/lib/python3.7/site-packages/pdfkit/pdfkit.py", line 156, in to_pdf raise IOError('wkhtmltopdf reported an error:n' stderr) OSError: wkhtmltopdf reported an error: Loading pages (1/6) Warning: Blocked access to file Warning: Blocked access to file Error: Failed to load about:blank, with network status code 301 and http status code 0 - Protocol "about" is unknown Error: Failed to load about:blank, with network status code 301 and http status code 0 - Protocol "about" is unknown Counting pages (2/6) Resolving links (4/6) Loading headers and footers (5/6) Printing pages (6/6) Done Exit with code 1 due to network error: ProtocolUnknownError Ответ №1:
Вы должны попытаться добавить эту опцию:
"enable-local-file-access": "" чтобы ваши варианты диктовали
Стефан
Комментарии:
1. Да понял! Спасибо
Содержание
- ContentOperationNotPermittedError #1937
- Comments
- Footer
- Network error while generating pdf in windows #2448
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- Footer
- Exit with code 1 due to network error: ProtocolUnknownError #4400
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- Error Exit with code 1 due to network error: ContentOperationNotPermittedError about laravel-snappy HOT 1 CLOSED
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- Exit with code 1 due to network error: UnknownContentError while converting html to pdf #2187
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ContentOperationNotPermittedError #1937
When running wkhtmltopdf 0.12.1 (with patched qt) like this
on a document containing
(a non-existent image), one gets the following output
and a status code of 0 (success), a PDF is generated.
If, however the URL of the image gets slightly changed to something like
(only added a random query param) one gets the following output
and a status code of 1 (error). A PDF is generated nonetheless, but wrapper code will assume a non-recoverable error.
This is clearly very confusing behaviour and imho. a bug.
The text was updated successfully, but these errors were encountered:
I was too getting same error. On further investigation I came to conclusion that inclusion of base tag in head section was cause of problem. I was writing a code like this:
which was causing Exit with code 1 due to network error: ContentOperationNotPermittedError but after removing it the error was removed. Any reasons for this?
@momolog: the reason is simple, in the latter case one cannot guess that this is a request for an image just looking at the URL and hence we consider that it is a more severe error. This is a duplicate of #1855.
@ashkulz Thanks for pointing out, that this is a duplicate.
I fail to see however, why a query parameter would change the expectation of what type of resource
http://example.com/test.jpg?332534
will yield.
See this comment for an explanation.
Hello guys, any progress there by any chance? This is still troublesome.
@KlimczakM: see the linked issue, it requires changes in Qt/WebKit.
I had similar problem: generating PDF from within PHP was working fine, but a direct execution of wkhtmltopdf command in a console was throwing ContentOperationNotPermittedError .
The thing is — I was using url with user token, that later was used inside the code to authenticate on the server:
https://example.com/pdf/$2y$08$FyRmY8aR88AgjRY0DFbFCv===DD0W8L6D.
And I found out that on some OS that address was not interpreted right and the token was malformed by the time in got to my js-script.
So, changing $ to %24 and = to %3D did the trick.
Maybe it will help someone.
I also got this error today. In my case it was because I’d made a change to my nginx config that blocked access to the website in question for the server that wxhtmltopdf was running on. Basically, wkhtmltopdf got a «401 Forbidden» when trying to open the URL, and that resulted in this error.
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Источник
Network error while generating pdf in windows #2448
Hi I am currently using snappy to generate pdf. But I am currently facing a problem while generating pdf in windows. The pdf is generated as expected but a run time exception is always thrown. The exception is as follows:
RuntimeException: The exit status code ‘1’ says something went wrong: stderr: «Loading pages (1/6) [> ] 0% [======> ] 10% [===========> ] 19% [============> ] 20% [================> ] 27% [==================> ] 30% [============================================================] 100% Counting pages (2/6) [============================================================] Object 1 of 1 Resolving links (4/6) [============================================================] Object 1 of 1 Loading headers and footers (5/6) Printing pages (6/6) [> ] Preparing [============================================================] Page 1 of 1 Done Exit with code 1 due to network error: ContentOperationNotPermittedError » stdout: «» command: C://xampp/htdocs/modules/pdf/wkhtmltopdf/bin/wkhtmltopdf.exe —lowquality «C:UserssonyAppDataLocalTempknp_snappy5590f02e7424a4.53154017.html» «queue.pdf». in KnpSnappyAbstractGenerator->checkProcessStatus()
Can you help me to get rid of this problem? Thanks.
The text was updated successfully, but these errors were encountered:
On further investigation I came to conclusion that inclusion of base tag in head section was cause of problem. I was writing a code like this:
which was causing Exit with code 1 due to network error: ContentOperationNotPermittedError but after removing it the error was removed. Any reasons for this?
In a new version (0.12.5) you should get more information on these kinds of error.
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Exit with code 1 due to network error: ProtocolUnknownError #4400
OS information
Ubuntu
18.04.1 LTS (Bionic Beaver)
Exit with code 1 due to network error: ProtocolUnknownError
The text was updated successfully, but these errors were encountered:
That’s not telling us very much information. What site are you trying to convert to PDF? What is the command line that gives this error? Is there anything else we need to know about this failure? I’m not sure what «Protocol Unknown Error» is reporting, but at least someone could try it out.
Actually I am working with odoo.com and in this they have used it as a package to convert HTML reports to pdf where I have found this issue. I am attaching a screen shot for better understanding where I also selected the issue. 
It looks like you’re trying to pull something off the Web, and presumably convert it to PDF via Odoo, but I have no experience with Odoo. Does this work with other websites and only fail with this one, or does it always fail? The only thing I can think of at this point is to check if they’re using an old version of wkHTMLtoPDF, or if they’re up to date (at least version 0.12.5). Even then, if the website uses too advanced of CSS or Javascript, wkHTMLtoPDF would fail.
Actually right now we are only working with Odoo and I have tweak the wkhtmltopdf arguments in a bit of an absurd way and restructure my report template so it worked but yes you are right It almost uses advance JS and CSS therefore sometimes it fails but most of the time it succeeded so I am closing this issue as it is resolved hope so in next update more things will be sorted out.
Actually right now we are only working with Odoo and I have tweak the wkhtmltopdf arguments in a bit of an absurd way and restructure my report template so it worked but yes you are right It almost uses advance JS and CSS therefore sometimes it fails but most of the time it succeeded so I am closing this issue as it is resolved hope so in next update more things will be sorted out.
Can you share whichi options? thanks
✅ SOLUTION:
This is for those with the error: Exit with code 1 due to network error: ProtocolUnknownError
If you get an error when uploading an image/media, you have to upload that image to your own http server or hosting, for example in XAMPP. Put the complete link of the image in the html, example: img src=’https: // 127.0.0.1/web/chart.jpg’> In this way the images will be loaded well at the time of passing them to pdf. When creating the pdf, you can already delete the image from the hosting or remove the server.
Actually right now we are only working with Odoo and I have tweak the wkhtmltopdf arguments in a bit of an absurd way and restructure my report template so it worked but yes you are right It almost uses advance JS and CSS therefore sometimes it fails but most of the time it succeeded so I am closing this issue as it is resolved hope so in next update more things will be sorted out.
have you find some solution?
I Have the same error on odoo 14.0 on premise and I obtain:
Источник
Error Exit with code 1 due to network error: ContentOperationNotPermittedError about laravel-snappy HOT 1 CLOSED
This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs.
Any issues with PDF rendering itself that are not directly related to this package, should be reported on https://github.com/KnpLabs/snappy instead. When having doubts, please try to reproduce the issue with just snappy.
If you believe this is an actual issue with the latest version of laravel-snappy, please reply to this issue so we can investigate further.
Thank you for your contribution! Apologies for any delayed response on our side.
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Источник
Exit with code 1 due to network error: UnknownContentError while converting html to pdf #2187
There is html file:
There is an error:
Most of the time its working well. But for some generated google urls like this one it throws such an error.
Thanks a lot.
The text was updated successfully, but these errors were encountered:
Bumping having this same issue
QNetworkReply::UnknownContentError: 299: an unknown error related to the remote content was detected
In #1948 we can read:
It looks like you are trying to load a dynamic resource which is not found (see explanation) — you might want to see what it is.
However it doesn’t solve the problem, because there is no way to ignore such error and continue. Currently it prevents generation of the output file.
Same problem here =(
I hit UnknownContentError as well. It seems like when I reach the 16-18 page mark, with header+footer, it causes the error.
I moved my problem into a new issue: #2778
I hit this error for a single page without any header or footer and without javascript running.
To debug this problem try running the conversion with —no-images which runs fine. I then saved the file locally to find out which image was offending. To test with a local copy do not forget to set e.g. in the section of the html appropriately.
If the document is large, use grep -A2 » to find urls to check. Use wget on these urls and inspect their content. This yields an img resource on archive.org, with an html response body, an image url which was broken at archival time.
- archive.org replays http status codes for archived resources, in this case it is/was 400: Bad Request
- QT webkit transforms this into UnknownContentError , presumably trying to interpret the html response body (the error message) as an image, despite code 400
After a review I can «ignore» this problem, since the pdf in question renders fine without the img resource. However I do not want to ignore non-zero return status in a batch invocation of wkhtmltopdf (to find and break on more serious errors).
The specific problem described above can be coupled to the load-media-error class.
- wkhtmltopdf defaults to —load-media-error-handling ignore
- the ‘ignore’ handlers do not trigger non-zero exit codes
- UnknownContentError triggered from loading sources (or, more generally any page requisite with an image/* mime type) should be handled like any other load-media-error
(using statically compiled wkhtmltopdf 0.12.3-dev (with patched qt) )
Источник
excel_zm Asks: How to add GeoJSON file to Leftlet map
I am new to JavaScript, HTML, and Leaflet. I would like to add a polygon to my Leaflet map.
I created a geojson file of two polygons (Will County, IL and Cook County, IL). I know the syntax is correct because I created it in FME and I can view it in FME and QGIS with the LL84 coordinate system. How do I add the geojson file to my html page?
Here is where I store the file. I want to use this file and don’t want to add thousands of coordinates to my html. This file is stored locally and I do not know if that is an issue. T:EYFP.geojson
Here is my HTML page. «»
// Initialize the map and set its view to Chicago var map = L.map(‘map’).setView([41.881832, -87.623177], 11);
var streetLayer = L.tileLayer(‘https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png’, { attribution: ‘© OpenStreetMap contributors’ });
streetLayer.addTo(map);
«»
Here is what the geojson file looks like. It has thousands of coordinates, but I’ve removed them (using BoundingBoxReplacer in FME) so I can paste them here. «»{ «type» : «FeatureCollection», «name» : «FP», «features» : [ { «type» : «Feature», «geometry» : { «type» : «Polygon», «coordinates» : [ [ [ -88.2635070004, 41.4695240004 ], [ -87.1111620005, 41.4695240004 ], [ -87.1111620005, 42.1542919999 ], [ -88.2635070004, 42.1542919999 ], [ -88.2635070004, 41.4695240004 ] ] ] }, «properties» : { «COUNTY» : «Cook County, IL», «OBJECTID» : 1 } }, { «type» : «Feature», «geometry» : { «type» : «Polygon», «coordinates» : [ [ [ -88.2614680002, 41.2015459998 ], [ -87.5255909999, 41.2015459998 ], [ -87.5255909999, 41.72893 ], [ -88.2614680002, 41.72893 ], [ -88.2614680002, 41.2015459998 ] ] ] }, «properties» : { «COUNTY» : «Will County, IL», «OBJECTID» : 2 } } ] }»»
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Hi All ,
We are facing the following error when exporting barcode product report for large number of products from odoo.com
Wkhtmltopdf Exit with code 1 due to network error: ProtocolUnknownError
Can anyone help in this ?
Hi,
report.url Key is set in your Settings?
Go to Settings —> Technical —> SystemParameter
if it does not exist then create a new record in System ParameterKey: report.url
Note: Modify 8069 with your ODOO Running Port.
Value: http://127.0.0.1:8069
Thanks & Regards
Sunny Sheth
please install compatible version of Wkhtmltopdf
Hello. Did you find a solution to this issue ? I am also using Odoo.sh.
i already added this parameter and i am using odoo.sh
i added the URL of odoo sh but issue is still exist