Doctest failure if $PYTHONPATH is set

[koffie]

./sage -t src/sage/tests/cmdline.py
Running doctests with ID 2017-08-11-19-16-39-40d33b31.
Git branch: test_external_package
Using --optional=ccache,mpir,openssl,python2,sage
Doctesting 1 file.
sage -t --warn-long 45.3 src/sage/tests/cmdline.py
**********************************************************************
File "src/sage/tests/cmdline.py", line 208, in sage.tests.cmdline.test_executable
Failed example:
    print(out)
Expected:
    Found local metadata for sqlite-...
    = SQLite =
    ...
    SQLite is a software library that implements a self-contained,
    serverless, zero-configuration, transactional SQL database engine.
    ...
Got:
    Cleaning up PYTHONPATH:
      Old: ":/Users/mderickx/code:/Users/mderickx/code/lmfdb"
      New: "/Users/mderickx/code:/Users/mderickx/code/lmfdb"
    Found local metadata for sqlite-autoconf-3170000
    = SQLite =
    <BLANKLINE>
    == Description ==
    <BLANKLINE>
    SQLite is a software library that implements a self-contained,
    serverless, zero-configuration, transactional SQL database engine.
    <BLANKLINE>
    == License ==
    <BLANKLINE>

Component: scripts

Author: Maarten Derickx

Branch/Commit: u/mderickx/23613 @ db40f22

Issue created by migration from https://trac.sagemath.org/ticket/23613

[koffie]

comment:1

I thought this would be a quick fix, namely just add

...

to the doctests in order to account for the error. But it seems that the meaning of ... is overloaded in doctests, and that the doctest framework sees ... as an input continuation marker like ....:.

[koffie]

Branch: u/mderickx/trac_23613

[koffie]

New commits:

d1222c8

Fix doctest that fails when $PYTHONPATH is set

[koffie]

Commit: d1222c8

[koffie]

Author: Maarten Derickx

[koffie]

comment:4

The workaround apparently doesn't work in combination with -tp

[koffie]

Changed branch from u/mderickx/trac_23613 to u/mderickx/23613

[koffie]

Changed commit from d1222c8 to db40f22

[koffie]

New commits:

db40f22

Fix doctest that fails when $PYTHONPATH is set: trac #23613

[kevinywlui]

comment:8

Merge conflict with #27635

[DaveWitteMorris]

comment:9

Removing the "beginner" tag from old tickets. Some could be returned to beginner-friendly status by adding a comment about what needs to be done. Some others might be easy for an experienced developer to finish.