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Diffstat (limited to 'FOSS/Python/Dependencies/future-0.18.2/docs/other/lessons.txt')
| -rw-r--r-- | FOSS/Python/Dependencies/future-0.18.2/docs/other/lessons.txt | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/FOSS/Python/Dependencies/future-0.18.2/docs/other/lessons.txt b/FOSS/Python/Dependencies/future-0.18.2/docs/other/lessons.txt new file mode 100644 index 0000000..ede523c --- /dev/null +++ b/FOSS/Python/Dependencies/future-0.18.2/docs/other/lessons.txt @@ -0,0 +1,49 @@ +The escape() function in this file in Django 1.4: + + /home/user/VirtualEnvs/mezzanine/local/lib/python2.7/site-packages/django/utils/html.py + +atttempts to use the unicode replace method with byte strings. This +causes this exception when running the Mezzanine tests using the newstr +object: + + File "/home/user/VirtualEnvs/mezzanine/local/lib/python2.7/site-packages/django/utils/html.py", line 36, in escape + return mark_safe(force_unicode(html).replace('&', '&').replace('<', '<').replace('>', '>').replace('"', '"').replace("'", ''')) + File "/home/user/VirtualEnvs/mezzanine/local/lib/python2.7/site-packages/future-0.9.0_dev-py2.7.egg/future/builtins/backports/__init__.py", line 145, in wrapper + raise TypeError(errmsg.format(mytype)) + TypeError: argument can't be <type 'str'> + + +Comment to add to prevent Pylint from issuing warnings on ``from +future.builtins import *``: + + # pylint: disable=W0622,W0401 + +INCOMPATIBLE: array.array() + +Python 2: + >>> array.array(b'b') + array.array(b'b') + + >>> array.array(u'u') + TypeError: must be char, not unicode + +Python 3: + >>> array.array(b'b') + TypeError: must be a unicode character, not bytes + + >>> array.array(u'b') + array('b') + +Maybe use on Py2: + >>> array.array(u'b'.encode('ascii')) ?? + +Long int syntax (e.g. 1000000L) is incompatible with Py3. +We probably shouldn't shadow int with long on Py2 because then isinstance(1, int) is False + +Python 2's bytes object is nothing like Python 3's bytes object! +Running test_bytes.py from Py3 on Py2 (after fixing imports) gives this: + +-------------------------------------------------------------- +Ran 203 tests in 0.209s + +FAILED (failures=31, errors=55, skipped=1) |