diff options
Diffstat (limited to 'jinja2/environment.py')
| -rw-r--r-- | jinja2/environment.py | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/jinja2/environment.py b/jinja2/environment.py index ca46019..fad5e23 100644 --- a/jinja2/environment.py +++ b/jinja2/environment.py @@ -29,7 +29,7 @@ from jinja2.utils import import_string, LRUCache, Markup, missing, \ concat, consume, internalcode from jinja2._compat import imap, ifilter, string_types, iteritems, \ text_type, reraise, implements_iterator, implements_to_string, \ - get_next, encode_filename + get_next, encode_filename, PY2, PYPY from functools import reduce @@ -617,7 +617,9 @@ class Environment(object): to `False` and you will get an exception on syntax errors. If `py_compile` is set to `True` .pyc files will be written to the - target instead of standard .py files. + target instead of standard .py files. This flag does not do anything + on pypy and Python 3 where pyc files are not picked up by itself and + don't give much benefit. .. versionadded:: 2.4 """ @@ -627,13 +629,18 @@ class Environment(object): log_function = lambda x: None if py_compile: - import imp, marshal - py_header = imp.get_magic() + \ - u'\xff\xff\xff\xff'.encode('iso-8859-15') + if not PY2 or PYPY: + from warnings import warn + warn(Warning('py_compile has no effect on pypy or Python 3')) + py_compile = False + else: + import imp, marshal + py_header = imp.get_magic() + \ + u'\xff\xff\xff\xff'.encode('iso-8859-15') - # Python 3.3 added a source filesize to the header - if sys.version_info >= (3, 3): - py_header += u'\x00\x00\x00\x00'.encode('iso-8859-15') + # Python 3.3 added a source filesize to the header + if sys.version_info >= (3, 3): + py_header += u'\x00\x00\x00\x00'.encode('iso-8859-15') def write_file(filename, data, mode): if zip: |