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- ===============
- Troubleshooting
- ===============
- This page contains some advice about errors and problems commonly encountered
- during the development of Django applications.
- .. _troubleshooting-django-admin:
- Problems running ``django-admin``
- =================================
- "command not found: `django-admin`"
- ------------------------------------
- :doc:`django-admin </ref/django-admin>` should be on your system path if you
- installed Django via ``python setup.py``. If it's not on your path, you can
- find it in ``site-packages/django/bin``, where ``site-packages`` is a directory
- within your Python installation. Consider symlinking to :doc:`django-admin
- </ref/django-admin>` from some place on your path, such as
- :file:`/usr/local/bin`.
- If ``django-admin`` doesn't work but ``django-admin.py`` does, you're probably
- using a version of Django that doesn't match the version of this documentation.
- ``django-admin`` is new in Django 1.7.
- Mac OS X permissions
- --------------------
- If you're using Mac OS X, you may see the message "permission denied" when
- you try to run ``django-admin``. This is because, on Unix-based systems like
- OS X, a file must be marked as "executable" before it can be run as a program.
- To do this, open Terminal.app and navigate (using the ``cd`` command) to the
- directory where :doc:`django-admin </ref/django-admin>` is installed, then
- run the command ``sudo chmod +x django-admin``.
- Miscellaneous
- =============
- I'm getting a ``UnicodeDecodeError``. What am I doing wrong?
- ------------------------------------------------------------
- This class of errors happen when a bytestring containing non-ASCII sequences is
- transformed into a Unicode string and the specified encoding is incorrect. The
- output generally looks like this::
- UnicodeDecodeError: 'ascii' codec can't decode byte 0x?? in position ?:
- ordinal not in range(128)
- The resolution mostly depends on the context, however here are two common
- pitfalls producing this error:
- * Your system locale may be a default ASCII locale, like the "C" locale on
- UNIX-like systems (can be checked by the ``locale`` command). If it's the
- case, please refer to your system documentation to learn how you can change
- this to a UTF-8 locale.
- * You created raw bytestrings, which is easy to do on Python 2::
- my_string = 'café'
- Either use the ``u''`` prefix or even better, add the
- ``from __future__ import unicode_literals`` line at the top of your file
- so that your code will be compatible with Python 3.2 which doesn't support
- the ``u''`` prefix.
- Related resources:
- * :doc:`Unicode in Django </ref/unicode>`
- * https://wiki.python.org/moin/UnicodeDecodeError
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