[issue13986] ValueError: cannot convert float NaN to integer

[STINNER Victor]

STINNER Victor  added the comment:

The issue has not been seen since 2017-03-04, I close the issue as out of date.

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resolution:  -> out of date
stage:  -> resolved
status: open -> closed

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[issue13986] ValueError: cannot convert float NaN to integer

[Gregory P. Smith]

Change by Gregory P. Smith :


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[issue13986] ValueError: cannot convert float NaN to integer

[STINNER Victor]

STINNER Victor  added the comment:

See also bpo-32119.

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[issue13986] ValueError: cannot convert float NaN to integer

[David Robins]

David Robins added the comment:

I saw a similar error with Python 3.6 on a MIPS (32-bit - 
mipsisa32r2el-axis-linux-gnu) platform, but during interpreter startup, not 
install (perhaps because it was cross-compiled so install on the host doesn't 
run the target Python). It was due to building with a hard-float compiler when 
soft-float was needed (GCC 6.3.0, worked with --with-float=soft). Full error:

Fatal Python error: Py_Initialize: Unable to get the locale encoding
Traceback (most recent call last):
  File "", line 961, in _find_and_load
  File "", line 950, in _find_and_load_unlocked
  File "", line 655, in _load_unlocked
  File "", line 674, in exec_module
  File "", line 762, in get_code
ValueError: cannot convert float NaN to integer

Program received signal SIGABRT, Aborted.

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[issue13986] ValueError: cannot convert float NaN to integer

[Gregory P. Smith]

Gregory P. Smith g...@krypto.org added the comment:

FYI - A similar NaN appearing in an unexpected place (the random module in 
this case) bug that I just filed - http://bugs.python.org/issue14028.

I don't actually know if these will be related or not.

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[issue13986] ValueError: cannot convert float NaN to integer

[Mark Dickinson]

Mark Dickinson dicki...@gmail.com added the comment:

My guess would be not related.  My best guess for this issue is that it's 
caused by some mismatch in the struct stat declarations / uses on MIPS / Linux. 
 A Google search for MIPS and stat suggests that there are problems in this 
area.

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[issue13986] ValueError: cannot convert float NaN to integer

[Shivam]

Shivam shivam.agar...@aricent.com added the comment:

Hi Terry,
  Thanks for your reply.

  I am made changes suggested by you but still getting the same error:

  Below is the change that have been made:

try:
local_var = (os.fstat(f.fileno()).st_mtime) -- added line
print Value of local_var,local_var -- added line
timestamp = long(os.fstat(f.fileno()).st_mtime)

Regards
Shivam Agarwal

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[issue13986] ValueError: cannot convert float NaN to integer

[Mark Dickinson]

Mark Dickinson dicki...@gmail.com added the comment:

It's going to be tricky for any of the core Python developers to solve this 
based on the current level of information---unless anyone has access to a MIPs 
machine and can reproduce the error, that is.  Can you find a local expert who 
knows C to look into the issue?  The most relevant file is probably 
Modules/posixmodule.c.

Things to look at:

- do the stat-related values in pyconfig.h (which is generated at configure 
time) look correct for your platform?  Perhaps if you attach a copy of the 
pyconfig.h file produced at build time that could help.

- are there any relevant warnings or errors at compile time?  E.g., is there 
any compiler output near the point where Modules/posixmodule.c is defined?  Can 
you look back at the 'make' output and find out why the 'datetime' module 
failed to build?

What was the output from the 'print' statement that Terry suggested you add?

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[issue13986] ValueError: cannot convert float NaN to integer

[Terry J. Reedy]

Terry J. Reedy tjre...@udel.edu added the comment:

If I believe the error message, os.fstat(f.fileno()).st_mtime is returning a 
NaN, which would be a bug in our function or your system. Since os.fstat should 
be a thin wrapper over the system call, I would lean to the latter. I do not 
know if writing to sys.stderr would work during compilation, but if it does, 
try inserting a statement to grab the value and print it before the long 
conversion.

Is this error 'deterministic' in being raised consistently?

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[issue13986] ValueError: cannot convert float NaN to integer

[Shivam]

New submission from Shivam shivam.agar...@aricent.com:

Hi Team,
   Kindly help me in resolving below issue which arises when we do make 
install as it is show stopper for us.

Listing /usr/local/lib/python2.7 ...
Compiling /usr/local/lib/python2.7/BaseHTTPServer.py ...
Traceback (most recent call last):
  File /usr/local/lib/python2.7/compileall.py, line 213, in module
exit_status = int(not main())
  File /usr/local/lib/python2.7/compileall.py, line 200, in main
force, rx, quiet):
  File /usr/local/lib/python2.7/compileall.py, line 50, in compile_dir
if not compile_file(fullname, ddir, force, rx, quiet):
  File /usr/local/lib/python2.7/compileall.py, line 99, in compile_file
ok = py_compile.compile(fullname, None, dfile, True)
  File /usr/local/lib/python2.7/py_compile.py, line 108, in compile
timestamp = long(os.fstat(f.fileno()).st_mtime)
ValueError: cannot convert float NaN to integer
make: *** [libinstall] Error 1


Addtionaly:
---
At the time of make below message is flashed as well:

Failed to build these modules:
datetime   dbm

--
components: Build
messages: 153039
nosy: shivam_python_issues
priority: normal
severity: normal
status: open
title: ValueError: cannot convert float NaN to integer
type: compile error
versions: Python 2.7

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[issue13986] ValueError: cannot convert float NaN to integer

[Ezio Melotti]

Changes by Ezio Melotti ezio.melo...@gmail.com:


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[issue13986] ValueError: cannot convert float NaN to integer

[Shivam]

Shivam shivam.agar...@aricent.com added the comment:

Hi Team,
   I am having this issue on mips 64bit machine running debian.

Regards
Shivam Agarwal

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[issue13986] ValueError: cannot convert float NaN to integer

[Mark Dickinson]

Changes by Mark Dickinson dicki...@gmail.com:


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