diff --git a/LICENSE b/LICENSE new file mode 100644 --- /dev/null +++ b/LICENSE @@ -0,0 +1,373 @@ +Mozilla Public License Version 2.0 +================================== + +1. Definitions +-------------- + +1.1. "Contributor" + means each individual or legal entity that creates, contributes to + the creation of, or owns Covered Software. + +1.2. "Contributor Version" + means the combination of the Contributions of others (if any) used + by a Contributor and that particular Contributor's Contribution. + +1.3. "Contribution" + means Covered Software of a particular Contributor. + +1.4. "Covered Software" + means Source Code Form to which the initial Contributor has attached + the notice in Exhibit A, the Executable Form of such Source Code + Form, and Modifications of such Source Code Form, in each case + including portions thereof. + +1.5. "Incompatible With Secondary Licenses" + means + + (a) that the initial Contributor has attached the notice described + in Exhibit B to the Covered Software; or + + (b) that the Covered Software was made available under the terms of + version 1.1 or earlier of the License, but not also under the + terms of a Secondary License. + +1.6. "Executable Form" + means any form of the work other than Source Code Form. + +1.7. "Larger Work" + means a work that combines Covered Software with other material, in + a separate file or files, that is not Covered Software. + +1.8. "License" + means this document. + +1.9. "Licensable" + means having the right to grant, to the maximum extent possible, + whether at the time of the initial grant or subsequently, any and + all of the rights conveyed by this License. + +1.10. "Modifications" + means any of the following: + + (a) any file in Source Code Form that results from an addition to, + deletion from, or modification of the contents of Covered + Software; or + + (b) any new file in Source Code Form that contains any Covered + Software. + +1.11. "Patent Claims" of a Contributor + means any patent claim(s), including without limitation, method, + process, and apparatus claims, in any patent Licensable by such + Contributor that would be infringed, but for the grant of the + License, by the making, using, selling, offering for sale, having + made, import, or transfer of either its Contributions or its + Contributor Version. + +1.12. "Secondary License" + means either the GNU General Public License, Version 2.0, the GNU + Lesser General Public License, Version 2.1, the GNU Affero General + Public License, Version 3.0, or any later versions of those + licenses. + +1.13. "Source Code Form" + means the form of the work preferred for making modifications. + +1.14. "You" (or "Your") + means an individual or a legal entity exercising rights under this + License. For legal entities, "You" includes any entity that + controls, is controlled by, or is under common control with You. For + purposes of this definition, "control" means (a) the power, direct + or indirect, to cause the direction or management of such entity, + whether by contract or otherwise, or (b) ownership of more than + fifty percent (50%) of the outstanding shares or beneficial + ownership of such entity. + +2. License Grants and Conditions +-------------------------------- + +2.1. Grants + +Each Contributor hereby grants You a world-wide, royalty-free, +non-exclusive license: + +(a) under intellectual property rights (other than patent or trademark) + Licensable by such Contributor to use, reproduce, make available, + modify, display, perform, distribute, and otherwise exploit its + Contributions, either on an unmodified basis, with Modifications, or + as part of a Larger Work; and + +(b) under Patent Claims of such Contributor to make, use, sell, offer + for sale, have made, import, and otherwise transfer either its + Contributions or its Contributor Version. + +2.2. Effective Date + +The licenses granted in Section 2.1 with respect to any Contribution +become effective for each Contribution on the date the Contributor first +distributes such Contribution. + +2.3. Limitations on Grant Scope + +The licenses granted in this Section 2 are the only rights granted under +this License. No additional rights or licenses will be implied from the +distribution or licensing of Covered Software under this License. +Notwithstanding Section 2.1(b) above, no patent license is granted by a +Contributor: + +(a) for any code that a Contributor has removed from Covered Software; + or + +(b) for infringements caused by: (i) Your and any other third party's + modifications of Covered Software, or (ii) the combination of its + Contributions with other software (except as part of its Contributor + Version); or + +(c) under Patent Claims infringed by Covered Software in the absence of + its Contributions. + +This License does not grant any rights in the trademarks, service marks, +or logos of any Contributor (except as may be necessary to comply with +the notice requirements in Section 3.4). + +2.4. Subsequent Licenses + +No Contributor makes additional grants as a result of Your choice to +distribute the Covered Software under a subsequent version of this +License (see Section 10.2) or under the terms of a Secondary License (if +permitted under the terms of Section 3.3). + +2.5. Representation + +Each Contributor represents that the Contributor believes its +Contributions are its original creation(s) or it has sufficient rights +to grant the rights to its Contributions conveyed by this License. + +2.6. Fair Use + +This License is not intended to limit any rights You have under +applicable copyright doctrines of fair use, fair dealing, or other +equivalents. + +2.7. Conditions + +Sections 3.1, 3.2, 3.3, and 3.4 are conditions of the licenses granted +in Section 2.1. + +3. Responsibilities +------------------- + +3.1. Distribution of Source Form + +All distribution of Covered Software in Source Code Form, including any +Modifications that You create or to which You contribute, must be under +the terms of this License. You must inform recipients that the Source +Code Form of the Covered Software is governed by the terms of this +License, and how they can obtain a copy of this License. You may not +attempt to alter or restrict the recipients' rights in the Source Code +Form. + +3.2. Distribution of Executable Form + +If You distribute Covered Software in Executable Form then: + +(a) such Covered Software must also be made available in Source Code + Form, as described in Section 3.1, and You must inform recipients of + the Executable Form how they can obtain a copy of such Source Code + Form by reasonable means in a timely manner, at a charge no more + than the cost of distribution to the recipient; and + +(b) You may distribute such Executable Form under the terms of this + License, or sublicense it under different terms, provided that the + license for the Executable Form does not attempt to limit or alter + the recipients' rights in the Source Code Form under this License. + +3.3. Distribution of a Larger Work + +You may create and distribute a Larger Work under terms of Your choice, +provided that You also comply with the requirements of this License for +the Covered Software. If the Larger Work is a combination of Covered +Software with a work governed by one or more Secondary Licenses, and the +Covered Software is not Incompatible With Secondary Licenses, this +License permits You to additionally distribute such Covered Software +under the terms of such Secondary License(s), so that the recipient of +the Larger Work may, at their option, further distribute the Covered +Software under the terms of either this License or such Secondary +License(s). + +3.4. Notices + +You may not remove or alter the substance of any license notices +(including copyright notices, patent notices, disclaimers of warranty, +or limitations of liability) contained within the Source Code Form of +the Covered Software, except that You may alter any license notices to +the extent required to remedy known factual inaccuracies. + +3.5. Application of Additional Terms + +You may choose to offer, and to charge a fee for, warranty, support, +indemnity or liability obligations to one or more recipients of Covered +Software. However, You may do so only on Your own behalf, and not on +behalf of any Contributor. You must make it absolutely clear that any +such warranty, support, indemnity, or liability obligation is offered by +You alone, and You hereby agree to indemnify every Contributor for any +liability incurred by such Contributor as a result of warranty, support, +indemnity or liability terms You offer. You may include additional +disclaimers of warranty and limitations of liability specific to any +jurisdiction. + +4. Inability to Comply Due to Statute or Regulation +--------------------------------------------------- + +If it is impossible for You to comply with any of the terms of this +License with respect to some or all of the Covered Software due to +statute, judicial order, or regulation then You must: (a) comply with +the terms of this License to the maximum extent possible; and (b) +describe the limitations and the code they affect. Such description must +be placed in a text file included with all distributions of the Covered +Software under this License. Except to the extent prohibited by statute +or regulation, such description must be sufficiently detailed for a +recipient of ordinary skill to be able to understand it. + +5. Termination +-------------- + +5.1. The rights granted under this License will terminate automatically +if You fail to comply with any of its terms. However, if You become +compliant, then the rights granted under this License from a particular +Contributor are reinstated (a) provisionally, unless and until such +Contributor explicitly and finally terminates Your grants, and (b) on an +ongoing basis, if such Contributor fails to notify You of the +non-compliance by some reasonable means prior to 60 days after You have +come back into compliance. Moreover, Your grants from a particular +Contributor are reinstated on an ongoing basis if such Contributor +notifies You of the non-compliance by some reasonable means, this is the +first time You have received notice of non-compliance with this License +from such Contributor, and You become compliant prior to 30 days after +Your receipt of the notice. + +5.2. If You initiate litigation against any entity by asserting a patent +infringement claim (excluding declaratory judgment actions, +counter-claims, and cross-claims) alleging that a Contributor Version +directly or indirectly infringes any patent, then the rights granted to +You by any and all Contributors for the Covered Software under Section +2.1 of this License shall terminate. + +5.3. In the event of termination under Sections 5.1 or 5.2 above, all +end user license agreements (excluding distributors and resellers) which +have been validly granted by You or Your distributors under this License +prior to termination shall survive termination. + +************************************************************************ +* * +* 6. Disclaimer of Warranty * +* ------------------------- * +* * +* Covered Software is provided under this License on an "as is" * +* basis, without warranty of any kind, either expressed, implied, or * +* statutory, including, without limitation, warranties that the * +* Covered Software is free of defects, merchantable, fit for a * +* particular purpose or non-infringing. The entire risk as to the * +* quality and performance of the Covered Software is with You. * +* Should any Covered Software prove defective in any respect, You * +* (not any Contributor) assume the cost of any necessary servicing, * +* repair, or correction. This disclaimer of warranty constitutes an * +* essential part of this License. No use of any Covered Software is * +* authorized under this License except under this disclaimer. * +* * +************************************************************************ + +************************************************************************ +* * +* 7. Limitation of Liability * +* -------------------------- * +* * +* Under no circumstances and under no legal theory, whether tort * +* (including negligence), contract, or otherwise, shall any * +* Contributor, or anyone who distributes Covered Software as * +* permitted above, be liable to You for any direct, indirect, * +* special, incidental, or consequential damages of any character * +* including, without limitation, damages for lost profits, loss of * +* goodwill, work stoppage, computer failure or malfunction, or any * +* and all other commercial damages or losses, even if such party * +* shall have been informed of the possibility of such damages. This * +* limitation of liability shall not apply to liability for death or * +* personal injury resulting from such party's negligence to the * +* extent applicable law prohibits such limitation. Some * +* jurisdictions do not allow the exclusion or limitation of * +* incidental or consequential damages, so this exclusion and * +* limitation may not apply to You. * +* * +************************************************************************ + +8. Litigation +------------- + +Any litigation relating to this License may be brought only in the +courts of a jurisdiction where the defendant maintains its principal +place of business and such litigation shall be governed by laws of that +jurisdiction, without reference to its conflict-of-law provisions. +Nothing in this Section shall prevent a party's ability to bring +cross-claims or counter-claims. + +9. Miscellaneous +---------------- + +This License represents the complete agreement concerning the subject +matter hereof. If any provision of this License is held to be +unenforceable, such provision shall be reformed only to the extent +necessary to make it enforceable. Any law or regulation which provides +that the language of a contract shall be construed against the drafter +shall not be used to construe this License against a Contributor. + +10. Versions of the License +--------------------------- + +10.1. New Versions + +Mozilla Foundation is the license steward. Except as provided in Section +10.3, no one other than the license steward has the right to modify or +publish new versions of this License. Each version will be given a +distinguishing version number. + +10.2. Effect of New Versions + +You may distribute the Covered Software under the terms of the version +of the License under which You originally received the Covered Software, +or under the terms of any subsequent version published by the license +steward. + +10.3. Modified Versions + +If you create software not governed by this License, and you want to +create a new license for such software, you may create and use a +modified version of this License if you rename the license and remove +any references to the name of the license steward (except to note that +such modified license differs from this License). + +10.4. Distributing Source Code Form that is Incompatible With Secondary +Licenses + +If You choose to distribute Source Code Form that is Incompatible With +Secondary Licenses under the terms of this version of the License, the +notice described in Exhibit B of this License must be attached. + +Exhibit A - Source Code Form License Notice +------------------------------------------- + + This Source Code Form is subject to the terms of the Mozilla Public + License, v. 2.0. If a copy of the MPL was not distributed with this + file, You can obtain one at http://mozilla.org/MPL/2.0/. + +If it is not possible or desirable to put the notice in a particular +file, then You may include the notice in a location (such as a LICENSE +file in a relevant directory) where a recipient would be likely to look +for such a notice. + +You may add additional accurate notices of copyright ownership. + +Exhibit B - "Incompatible With Secondary Licenses" Notice +--------------------------------------------------------- + + This Source Code Form is "Incompatible With Secondary Licenses", as + defined by the Mozilla Public License, v. 2.0. diff --git a/Setup.hs b/Setup.hs new file mode 100644 --- /dev/null +++ b/Setup.hs @@ -0,0 +1,2 @@ +import Distribution.Simple +main = defaultMain diff --git a/src/System/Logger.hs b/src/System/Logger.hs new file mode 100644 --- /dev/null +++ b/src/System/Logger.hs @@ -0,0 +1,189 @@ +-- This Source Code Form is subject to the terms of the Mozilla Public +-- License, v. 2.0. If a copy of the MPL was not distributed with this +-- file, You can obtain one at http://mozilla.org/MPL/2.0/. + +{-# LANGUAGE OverloadedStrings #-} + +-- | Small layer on top of @fast-logger@ which adds log-levels and +-- timestamp support (using @date-cache@) and not much more. +module System.Logger + ( Level (..) + , Output (..) + , Settings (..) + , Logger + , DateFormat + + , new + , create + , defSettings + , level + , flush + , close + + , log + , trace + , debug + , info + , warn + , err + , fatal + + , iso8601UTC + , module M + ) +where + +import Prelude hiding (log) +import Control.Applicative +import Control.Monad +import Control.Monad.IO.Class +import Data.ByteString (ByteString) +import Data.ByteString.Char8 (pack) +import Data.Maybe (fromMaybe) +import Data.String +import Data.UnixTime +import System.Date.Cache +import System.Environment (lookupEnv) +import System.Log.FastLogger (BufSize) +import System.Logger.Message as M + +import qualified System.Log.FastLogger as FL + +data Level + = Trace + | Debug + | Info + | Warn + | Error + | Fatal + deriving (Eq, Ord, Read, Show) + +data Logger = Logger + { _logger :: FL.LoggerSet + , _settings :: Settings + , _getDate :: Maybe DateCacheGetter + , _closeDate :: Maybe DateCacheCloser + } + +data Settings = Settings + { logLevel :: Level -- ^ messages below this log level will be suppressed + , output :: Output -- ^ log sink + , format :: DateFormat -- ^ the timestamp format (use \"\" to disable timestamps) + , delimiter :: ByteString -- ^ text to intersperse between fields of a log line + , bufSize :: BufSize -- ^ how many bytes to buffer before commiting to sink + } deriving (Eq, Ord, Show) + +data Output + = StdOut + | StdErr + | Path FilePath + deriving (Eq, Ord, Show) + +newtype DateFormat = DateFormat + { template :: ByteString + } deriving (Eq, Ord, Show) + +instance IsString DateFormat where + fromString = DateFormat . pack + +-- | ISO 8601 date-time format. +iso8601UTC :: DateFormat +iso8601UTC = "%Y-%0m-%0dT%0H:%0M:%0SZ" + +-- | Default settings for use with 'new': +-- +-- * 'logLevel' = 'Debug' +-- +-- * 'output' = 'StdOut' +-- +-- * 'format' = 'iso8601UTC' +-- +-- * 'delimiter' = \", \" +-- +-- * 'bufSize' = 'FL.defaultBufSize' +-- +defSettings :: Settings +defSettings = Settings Debug StdOut iso8601UTC ", " FL.defaultBufSize + +-- | Create a new 'Logger' with the given 'Settings'. +-- Please note that the 'logLevel' can be dynamically adjusted by setting +-- the environment variable @LOG_LEVEL@ accordingly. Likewise the buffer +-- size can be dynamically set via @LOG_BUFFER@. +new :: MonadIO m => Settings -> m Logger +new s = liftIO $ do + n <- fmap (readNote "Invalid LOG_BUFFER") <$> lookupEnv "LOG_BUFFER" + l <- fmap (readNote "Invalid LOG_LEVEL") <$> lookupEnv "LOG_LEVEL" + g <- fn (output s) (fromMaybe (bufSize s) n) + c <- clockCache (format s) + let s' = s { logLevel = fromMaybe (logLevel s) l } + return $ Logger g s' (fst <$> c) (snd <$> c) + where + fn StdOut = FL.newStdoutLoggerSet + fn StdErr = FL.newStderrLoggerSet + fn (Path p) = flip FL.newFileLoggerSet p + + clockCache "" = return Nothing + clockCache f = Just <$> clockDateCacher (DateCacheConf getUnixTime (fmt f)) + + fmt :: DateFormat -> UnixTime -> IO ByteString + fmt d = return . formatUnixTimeGMT (template d) + +-- | Invokes 'new' with default settings and the given output as log sink. +create :: MonadIO m => Output -> m Logger +create p = new defSettings { output = p } + +readNote :: Read a => String -> String -> a +readNote m s = case reads s of + [(a, "")] -> a + _ -> error m + +-- | Logs a message with the given level if greater or equal to the +-- logger's threshold. +log :: MonadIO m => Logger -> Level -> (Msg -> Msg) -> m () +log g l m = unless (level g > l) . liftIO $ putMsg g l m +{-# INLINE log #-} + +-- | Abbreviation of 'log' using the corresponding log level. +trace, debug, info, warn, err, fatal :: MonadIO m => Logger -> (Msg -> Msg) -> m () +trace g = log g Trace +debug g = log g Debug +info g = log g Info +warn g = log g Warn +err g = log g Error +fatal g = log g Fatal +{-# INLINE trace #-} +{-# INLINE debug #-} +{-# INLINE info #-} +{-# INLINE warn #-} +{-# INLINE err #-} +{-# INLINE fatal #-} + +-- | Force buffered bytes to output sink. +flush :: MonadIO m => Logger -> m () +flush = liftIO . FL.flushLogStr . _logger + +-- | Closes the logger. +close :: MonadIO m => Logger -> m () +close g = liftIO $ do + fromMaybe (return ()) (_closeDate g) + FL.rmLoggerSet (_logger g) + +-- | Inspect this logger's threshold. +level :: Logger -> Level +level = logLevel . _settings +{-# INLINE level #-} + +putMsg :: MonadIO m => Logger -> Level -> (Msg -> Msg) -> m () +putMsg g l f = liftIO $ do + d <- maybe (return id) (liftM msg) (_getDate g) + let m = render (delimiter $ _settings g) (d . msg (l2b l) . f) + FL.pushLogStr (_logger g) (FL.toLogStr m) + where + l2b :: Level -> ByteString + l2b Trace = "T" + l2b Debug = "D" + l2b Info = "I" + l2b Warn = "W" + l2b Error = "E" + l2b Fatal = "F" + diff --git a/src/System/Logger/Class.hs b/src/System/Logger/Class.hs new file mode 100644 --- /dev/null +++ b/src/System/Logger/Class.hs @@ -0,0 +1,47 @@ +-- This Source Code Form is subject to the terms of the Mozilla Public +-- License, v. 2.0. If a copy of the MPL was not distributed with this +-- file, You can obtain one at http://mozilla.org/MPL/2.0/. + +{-# LANGUAGE FlexibleContexts #-} + +module System.Logger.Class + ( MonadLogger (..) + , trace + , debug + , info + , warn + , err + , fatal + + , L.Level (..) + , L.Output (..) + , L.Settings (..) + , L.Logger + , L.DateFormat + + , L.new + , L.create + , L.defSettings + , L.iso8601UTC + + , module M + ) +where + +import System.Logger (Level (..)) +import System.Logger.Message as M + +import qualified System.Logger as L + +class Monad m => MonadLogger m where + log :: Level -> (Msg -> Msg) -> m () + +-- | Abbreviation for 'log' using the corresponding log level. +trace, debug, info, warn, err, fatal :: MonadLogger m => (Msg -> Msg) -> m () +trace = System.Logger.Class.log Trace +debug = System.Logger.Class.log Debug +info = System.Logger.Class.log Info +warn = System.Logger.Class.log Warn +err = System.Logger.Class.log Error +fatal = System.Logger.Class.log Fatal + diff --git a/src/System/Logger/Message.hs b/src/System/Logger/Message.hs new file mode 100644 --- /dev/null +++ b/src/System/Logger/Message.hs @@ -0,0 +1,116 @@ +-- This Source Code Form is subject to the terms of the Mozilla Public +-- License, v. 2.0. If a copy of the MPL was not distributed with this +-- file, You can obtain one at http://mozilla.org/MPL/2.0/. + +{-# LANGUAGE FlexibleInstances #-} +{-# LANGUAGE OverloadedStrings #-} + +-- | 'Msg' and 'ToBytes' assist in constructing log messages. +-- For example: +-- +-- @ +-- > g <- new defSettings { bufSize = 1, output = StdOut } +-- > info g $ msg "some text" ~~ "key" .= "value" ~~ "okay" .= True +-- 2014-04-28T21:18:20Z, I, some text, key=value, okay=True +-- > +-- @ +module System.Logger.Message + ( ToBytes (..) + , Msg + , msg + , field + , (.=) + , (+++) + , (~~) + , val + , render + ) where + +import Data.ByteString (ByteString) +import Data.ByteString.Lazy.Builder (Builder) +import Data.Int +import Data.List (intersperse) +import Data.Monoid +import Data.Text (Text) +import Data.Text.Encoding (encodeUtf8) +import Data.Word + +import qualified Data.Text.Lazy as T +import qualified Data.Text.Lazy.Encoding as T +import qualified Data.ByteString.Lazy as L +import qualified Data.ByteString.Lazy.Builder as B +import qualified Data.ByteString.Lazy.Builder.Extras as B + +-- | Convert some value to a 'Builder'. +class ToBytes a where + bytes :: a -> Builder + +instance ToBytes Builder where bytes = id +instance ToBytes L.ByteString where bytes = B.lazyByteString +instance ToBytes ByteString where bytes = B.byteString +instance ToBytes Char where bytes = B.charUtf8 +instance ToBytes Int where bytes = B.intDec +instance ToBytes Int8 where bytes = B.int8Dec +instance ToBytes Int16 where bytes = B.int16Dec +instance ToBytes Int32 where bytes = B.int32Dec +instance ToBytes Int64 where bytes = B.int64Dec +instance ToBytes Word where bytes = B.wordDec +instance ToBytes Word8 where bytes = B.word8Dec +instance ToBytes Word16 where bytes = B.word16Dec +instance ToBytes Word32 where bytes = B.word32Dec +instance ToBytes Word64 where bytes = B.word64Dec +instance ToBytes Float where bytes = B.floatDec +instance ToBytes Double where bytes = B.doubleDec +instance ToBytes Text where bytes = B.byteString . encodeUtf8 +instance ToBytes T.Text where bytes = B.lazyByteString . T.encodeUtf8 +instance ToBytes [Char] where bytes = B.stringUtf8 + +instance ToBytes Bool where + bytes True = val "True" + bytes False = val "False" + +-- | Type representing log messages. +newtype Msg = Msg { builders :: [Builder] } + +-- | Turn some value into a 'Msg'. +msg :: ToBytes a => a -> Msg -> Msg +msg p (Msg m) = Msg (bytes p : m) + +-- | Render some field, i.e. a key-value pair delimited by \"=\". +field :: ToBytes a => ByteString -> a -> Msg -> Msg +field k v (Msg m) = Msg $ bytes k <> B.byteString "=" <> bytes v : m + +-- | Alias of 'field'. +(.=) :: ToBytes a => ByteString -> a -> Msg -> Msg +(.=) = field +infixr 5 .= + +-- | Alias of '.' with lowered precedence to allow combination with '.=' +-- without requiring parentheses. +(~~) :: (b -> c) -> (a -> b) -> a -> c +(~~) = (.) +infixr 4 ~~ + +-- | Concatenate two 'ToBytes' values. +(+++) :: (ToBytes a, ToBytes b) => a -> b -> Builder +a +++ b = bytes a <> bytes b +infixr 6 +++ + +-- | Type restriction. Useful to disambiguate string literals when +-- using @OverloadedStrings@ pragma. +val :: ByteString -> Builder +val = bytes + +-- | Intersperse parts of the log message with the given delimiter and +-- render the whole builder into a 'L.ByteString'. +render :: ByteString -> (Msg -> Msg) -> L.ByteString +render s f = finish + . mconcat + . intersperse (B.byteString s) + . builders + . f + $ empty + where + finish = B.toLazyByteStringWith (B.untrimmedStrategy 128 256) "\n" + empty = Msg [] + diff --git a/tinylog.cabal b/tinylog.cabal new file mode 100644 --- /dev/null +++ b/tinylog.cabal @@ -0,0 +1,38 @@ +name: tinylog +version: 0.8 +synopsis: Simplistic logging using fast-logger. +author: Toralf Wittner +maintainer: Toralf Wittner +copyright: (c) 2014 Toralf Wittner +license: OtherLicense +license-file: LICENSE +category: System +build-type: Simple +cabal-version: >= 1.10 + +description: + Trivial logger on top of fast-logger. + +source-repository head + type: git + location: git://github.com/twittner/tinylog.git + +library + default-language: Haskell2010 + hs-source-dirs: src + ghc-options: -Wall -O2 -fwarn-tabs + ghc-prof-options: -prof -auto-all + + exposed-modules: + System.Logger + , System.Logger.Class + , System.Logger.Message + + build-depends: + base == 4.* + , bytestring >= 0.10.4 && < 0.11 + , date-cache >= 0.3 && < 0.4 + , fast-logger >= 2.1.4 && < 2.2 + , text >= 0.11 && < 1.2 + , transformers >= 0.3 + , unix-time >= 0.1 && < 0.3