[schema] improve normalization of RQLExpressions
Parse and print back the expression instead of manipulating the string.
Among other benefits, it means we don't mangle embedded string constants
that contain commas or multiple spaces.
Closes #6694426
[tox]
env = py27
[testenv]
sitepackages = True
commands = pytest -t {envname}/test {posargs}
[testenv:cubicweb]
deps =
-r{toxinidir}/test/requirements.txt
commands = pytest -t test {posargs}
[testenv:dataimport]
[testenv:devtools]
deps =
-r{toxinidir}/devtools/test/requirements.txt
[testenv:entities]
deps =
-r{toxinidir}/entities/test/requirements.txt
[testenv:etwist]
deps =
-r{toxinidir}/etwist/test/requirements.txt
[testenv:ext]
deps =
-r{toxinidir}/ext/test/requirements.txt
[testenv:hooks]
[testenv:server]
deps =
-r{toxinidir}/server/test/requirements.txt
[testenv:sobjects]
deps =
-r{toxinidir}/sobjects/test/requirements.txt
[testenv:web]
deps =
-r{toxinidir}/web/test/requirements.txt
[testenv:wsgi]
deps =
-r{toxinidir}/wsgi/test/requirements.txt
[testenv:doc]
changedir = doc
whitelist_externals =
sphinx-build
deps =
sphinx
commands = sphinx-build -b html -d {envtmpdir}/doctrees . {envtmpdir}/html