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author | Marc-André Lemburg <mal@egenix.com> | 2001-09-19 11:24:48 (GMT) |
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committer | Marc-André Lemburg <mal@egenix.com> | 2001-09-19 11:24:48 (GMT) |
commit | aa32c5aa7ca9ce842628d90c2d0fb4406ab5ff82 (patch) | |
tree | 47a6f03d83d620dadbef956f19ffa7bebbc7aca6 /Lib/codecs.py | |
parent | 5e6007c5dbb14a6c64d4b7ee95793465f544bca6 (diff) | |
download | cpython-aa32c5aa7ca9ce842628d90c2d0fb4406ab5ff82.zip cpython-aa32c5aa7ca9ce842628d90c2d0fb4406ab5ff82.tar.gz cpython-aa32c5aa7ca9ce842628d90c2d0fb4406ab5ff82.tar.bz2 |
Added new helpers for easy access to codecs. Docs will follow.
Diffstat (limited to 'Lib/codecs.py')
-rw-r--r-- | Lib/codecs.py | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/Lib/codecs.py b/Lib/codecs.py index 827719b..df203c6 100644 --- a/Lib/codecs.py +++ b/Lib/codecs.py @@ -539,6 +539,48 @@ def EncodedFile(file, data_encoding, file_encoding=None, errors='strict'): sr.file_encoding = file_encoding return sr +### Helpers for codec lookup + +def getencoder(encoding): + + """ Lookup up the codec for the given encoding and return + its encoder function. + + Raises a LookupError in case the encoding cannot be found. + + """ + return lookup(encoding)[0] + +def getdecoder(encoding): + + """ Lookup up the codec for the given encoding and return + its decoder function. + + Raises a LookupError in case the encoding cannot be found. + + """ + return lookup(encoding)[1] + +def getreader(encoding): + + """ Lookup up the codec for the given encoding and return + its StreamReader class or factory function. + + Raises a LookupError in case the encoding cannot be found. + + """ + return lookup(encoding)[2] + +def getwriter(encoding): + + """ Lookup up the codec for the given encoding and return + its StreamWriter class or factory function. + + Raises a LookupError in case the encoding cannot be found. + + """ + return lookup(encoding)[3] + ### Helpers for charmap-based codecs def make_identity_dict(rng): |