Input output error,in appengine

[Ankit-jhunjhunwala22]

not able to generate report.html ,

[inconshreveable]

Without additional details about the exact environment and error message, there's probably not much we can do to help. Do you have more details?

[Ankit-jhunjhunwala22]

src: here what I am trying to do
profiler = sqltap.start()
print "profiler",profiler
projectlist_query = " // query "
statistics = profiler.collect()
print "statistics",statistics
sqltap.report(statistics, "report.html")

This is google app engine console.
statistics []

ERROR 2015-12-18 09:00:11,105 app.py:1423] Exception on /api/projects [GET]

Traceback (most recent call last):

File "./library\flask\app.py", line 1817, in wsgi_app

response = self.full_dispatch_request()

File "./library\flask\app.py", line 1477, in full_dispatch_request

rv = self.handle_user_exception(e)

File "./library\flask\app.py", line 1381, in handle_user_exception

reraise(exc_type, exc_value, tb)

File "./library\flask\app.py", line 1475, in full_dispatch_request

rv = self.dispatch_request()

File "./library\flask\app.py", line 1461, in dispatch_request

return self.view_functions[rule.endpoint](**req.view_args)

File "C:\Users\HP\Documents\vector\Server\src\controller\projects.py", line 237, in get_relevant

sqltap.report(statistics,  "report.html")

File "./library\sqltap\sqltap.py", line 307, in report

with open(filename, 'w') as f:

File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\devappserver2\python\stubs.py", line 247, in init

raise IOError(errno.EROFS, 'Read-only file system', filename)

IOError: [Errno 30] Read-only file system: 'report.html'

[inconshreveable]

This error is a result of the report being written out to a file but the environment you're running in has a read-only file system so that operation is not permitted. This is expected behavior. You could use the wsgi-based middleware reporter in this situation.