Sage build error (sagenb)

[Vincent Klein]

8.9.beta3

On unbuntu 16.04 after a "make distclean && ./configure --with-python=3" i get the following error :

[sagenb-1.1.2]     byte-compiling /home/vklein/odk/sage/local/var/tmp/sage/build/sagenb-1.1.2/inst/home/vklein/odk/sage/local/lib/python3.7/site-packages/sagenb/notebook/wiki2html.py to wiki2html.cpython-37.pyc

[sagenb-1.1.2]       File "/home/vklein/odk/sage/local/lib/python3.7/site-packages/sagenb/notebook/wiki2html.py", line 62

[sagenb-1.1.2]         'url_guard': ur'(^|(?<!\w))',

[sagenb-1.1.2]                                    ^

[sagenb-1.1.2]     SyntaxError: invalid syntax

[sagenb-1.1.2] 

...

Successfully installed sagenb-1.1.2

Cleaning up...

Removed build tracker '/tmp/pip-req-tracker-s1fel8oz'

make[4]: Entering directory '/home/vklein/odk/sage/local/var/tmp/sage/build/sagenb-1.1.2/src/doc'

Running Sphinx v1.8.5

making output directory...

building [mo]: targets for 0 po files that are out of date

building [html]: targets for 19 source files that are out of date

updating environment: 19 added, 0 changed, 0 removed

reading sources... [  5%] index

reading sources... [ 10%] misc/introspect

reading sources... [ 15%] misc/misc

Exception occurred:

  File "sage/misc/lazy_import.pyx", line 218, in sage.misc.lazy_import.LazyImport._get_object (build/cythonized/sage/misc/lazy_import.c:2502)

    raise RuntimeError(f"resolving lazy import {self._name} during startup")

RuntimeError: resolving lazy import dumps during startup

The full traceback has been saved in /tmp/sphinx-err-f8a0uhzu.log, if you want to report the issue to the developers.

Please also report this if it was a user error, so that a better error message can be provided next time.

A bug report can be filed in the tracker at <https://github.com/sphinx-doc/sphinx/issues>. Thanks!

Makefile:20: recipe for target 'html' failed

make[4]: *** [html] Error 2

make[4]: Leaving directory '/home/vklein/odk/sage/local/var/tmp/sage/build/sagenb-1.1.2/src/doc'

********************************************************************************

Error building the documentation

********************************************************************************

...

Full sagenb.log in attachment.

Does somebody have an idea to solve this ?

Vincent K.

[Vincent Delecroix]

This is indeed Python3 invalid. I would replace the string by

u'(^|(?<!\\w))'

That is Python2 and Python3 valid.

[Vincent Klein]

I have tested your fix with python3 and it works. Thanks.

[Vincent Klein]

New sagenb issue : https://github.com/sagemath/sagenb/issues/472