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mitigate memory leak

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Gwenhael Le Moine 2021-05-12 16:58:31 +02:00
parent d3ff3891c8
commit 2406bc7420
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1 changed files with 9 additions and 4 deletions
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ledger.cr
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@ -3,23 +3,28 @@ require "csv"
# Crystal wrapper module for calling ledger # Crystal wrapper module for calling ledger
class Ledger class Ledger
@last_mtime : Time
def initialize( binary : String = "ledger", def initialize( binary : String = "ledger",
ledger_file : String = ENV[ "LEDGER_FILE" ] ||= "${ENV[ \"HOME\" ]}/org/comptes.ledger" ) ledger_file : String = ENV[ "LEDGER_FILE" ] ||= "${ENV[ \"HOME\" ]}/org/comptes.ledger" )
@binary = binary @binary = binary
@file = ledger_file @file = ledger_file
@last_mtime = File.info(@file).modification_time
@cache = Hash(String, String).new @cache = Hash(String, String).new
end end
def run( options : String, command : String = "", command_parameters : String = "" ) : String def run( options : String, command : String = "", command_parameters : String = "" ) : String
command = "#{@binary} -f #{@file} #{options} #{command} #{command_parameters}" command = "#{@binary} -f #{@file} #{options} #{command} #{command_parameters}"
STDERR.puts command
mtime = File.info(@file).modification_time mtime = File.info(@file).modification_time
key = "#{mtime}#{command}" if @last_mtime < mtime || !@cache.has_key?( command )
@cache[ key ] = `#{command}` unless @cache.has_key?( key ) @last_mtime = mtime
@cache[ key ] @cache[ command ] = `#{command}`
end
@cache[ command ]
end end
def version : String def version : String