A partial fork of the cgi package exposing the Multipart module.
silkapp / multipart Goto Github PK
View Code? Open in Web Editor NEWA partial fork of the cgi package exposing the multipart module
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bytestring >= 0.10.8.0
I wonder where the bytestring >= 0.10.8.0 constraint comes from. This lower bound cannot be satisfied by ghc-7.10.3. No big deal, of course, the compiler is very old ... I'm just curious whether that constraint is really necessary. See https://travis-ci.org/peti/multipart/builds/594576304 for the complete build log that shows the problem.
Too strict upper bound on bytestring
The package builds fine with bytestring-0.11.3.1 (shipped with GHC 9.2) as I have tested, but it's upper bound forbids it. It'd be nice if this could be alleviated via a hackage revision!
`bytestring` bounds too strict once more
It's been while since I tried, but I'm pretty sure multipart still builds with bytestring < 0.13
GHC 8.8.1 can't compile the latest release
It appears that parseM is lacking a MonadFail constraint. See https://prime.haskell.org/wiki/Libraries/Proposals/MonadFail for more details. Unfortunately, that issue is preventing cgi from compiling successfully.
Building library for multipart-0.1.3..
[1 of 2] Compiling Network.Multipart.Header ( Network/Multipart/Header.hs, dist/build/Network/Multipart/Header.o )
Network/Multipart/Header.hs:241:15: error:
• Could not deduce (MonadFail m) arising from a use of ‘fail’
from the context: Monad m
bound by the type signature for:
parseM :: forall (m :: * -> *) a.
Monad m =>
Parser a -> SourceName -> String -> m a
at Network/Multipart/Header.hs:238:1-60
Possible fix:
add (MonadFail m) to the context of
the type signature for:
parseM :: forall (m :: * -> *) a.
Monad m =>
Parser a -> SourceName -> String -> m a
• In the expression: fail (show e)
In a case alternative: Left e -> fail (show e)
In the expression:
case parse p n inp of
Left e -> fail (show e)
Right x -> return x
|
241 | Left e -> fail (show e)
| ^^^^^^^^^^^^^
Network/Multipart/Header.hs:245:20: error:
• Could not deduce (MonadFail m) arising from a use of ‘fail’
from the context: (Monad m, Eq a, Show a)
bound by the type signature for:
lookupM :: forall (m :: * -> *) a b.
(Monad m, Eq a, Show a) =>
a -> [(a, b)] -> m b
at Network/Multipart/Header.hs:244:1-57
Possible fix:
add (MonadFail m) to the context of
the type signature for:
lookupM :: forall (m :: * -> *) a b.
(Monad m, Eq a, Show a) =>
a -> [(a, b)] -> m b
• In the first argument of ‘maybe’, namely
‘(fail ("No such field: " ++ show n))’
In the first argument of ‘(.)’, namely
‘maybe (fail ("No such field: " ++ show n)) return’
In the expression:
maybe (fail ("No such field: " ++ show n)) return . lookup n
|
245 | lookupM n = maybe (fail ("No such field: " ++ show n)) return . lookup n
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
~~~
BUG: v0.1.3 parseMultipartBody fails
GIven the following program
import Network.Multipart
import Data.ByteString.Lazy.UTF8 as BLU
main = let boundary = "---------------------------9051914041544843365972754266" in
putStr $ show $ parseMultipartBody boundary $ BLU.fromString "-----------------------------9051914041544843365972754266\n\
\Content-Disposition: form-data; name=\"text\"\n\
\\n\
\text default\n\
\-----------------------------9051914041544843365972754266\n\
\Content-Disposition: form-data; name=\"file1\"; filename=\"a.txt\"\n\
\Content-Type: text/plain\n\
\\n\
\Content of a.txt.\n\
\-----------------------------9051914041544843365972754266--"the output with v0.1.3 is
MultiPart []Changing multipart to v0.1.2 changes the output to
MultiPart [BodyPart [(HeaderName "Content-Disposition","form-data; name=\"text\"")] "text default",BodyPart [(HeaderName "Content-Disposition","form-data; name=\"file1\"; filename=\"a.txt\""),(HeaderName "Content-Type","text/plain")] "Content of a.txt."]Recommend Projects
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