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WIP: Add requires calls #6

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WIP: Add requires calls #6

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3 changes: 2 additions & 1 deletion Project.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@ Documenter = "e30172f5-a6a5-5a46-863b-614d45cd2de4"
FileIO = "5789e2e9-d7fb-5bc7-8068-2c6fae9b9549"
GRIB = "b16dfd50-4035-11e9-28d4-9dfe17e6779b"
JSON = "682c06a0-de6a-54ab-a142-c8b1cf79cde6"
Requires = "ae029012-a4dd-5104-9daa-d747884805df"

[compat]
AxisArrays = "v0.4.0"
Expand All @@ -21,7 +22,7 @@ FileIO = "1.3.0"
GRIB = "0.1, 0.2"
JSON = "0.21.0"
PyCall = "1.91.0"
julia = "1.2"
Requires = "1.0"

[extras]
AxisArrays = "39de3d68-74b9-583c-8d2d-e117c070f3a9"
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51 changes: 21 additions & 30 deletions src/backends.jl
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Original file line number Diff line number Diff line change
@@ -1,4 +1,7 @@
module Backends

using FileIO
using Requires
using CfGRIB

# Goal is for the backends to be optional, so only include the files if the
Expand All @@ -7,42 +10,28 @@ BACKEND_PROVIDERS = [:AxisArrays, :DimensionalData]
AVAILABLE_BACKENDS = []
DEFAULT_BACKEND = DataSet

try
using DimensionalData
include("./backends/dimensionaldata.jl")
global DEFAULT_BACKEND = DimensionalArrayWrapper
append!(AVAILABLE_BACKENDS, [:DimensionalArray])
catch e
if !(e isa ArgumentError)
throw(e)
function __init__()
@require AxisArrays = "39de3d68-74b9-583c-8d2d-e117c070f3a9" begin
include("./backends/dimensionaldata.jl")
println("Weee")
global DEFAULT_BACKEND = AxisArrayWrapper
append!(AVAILABLE_BACKENDS, [:AxisArray])
end
end

try
using AxisArrays
include("./backends/axisarrays.jl")
global DEFAULT_BACKEND = AxisArrayWrapper
append!(AVAILABLE_BACKENDS, [:AxisArray])
catch e
if !(e isa ArgumentError)
throw(e)
@require DimensionalData="0703355e-b756-11e9-17c0-8b28908087d0" begin
include("./backends/axisarrays.jl")
println("Weee")
global DEFAULT_BACKEND = DimensionalArrayWrapper
append!(AVAILABLE_BACKENDS, [:DimensionalArray])
end
end#

# If no backends could be loaded print a warning
if DEFAULT_BACKEND == DataSet
@warn """No backends could be loaded, setting default to bare `DataSet`.
Please include one of: $BACKEND_PROVIDERS.
Run `import Pkg; Pkg.add("BACKEND")` to install one of the array backends"""
if DEFAULT_BACKEND == DataSet
@warn """No backends could be loaded, setting default to bare `DataSet`.
Please include one of: $BACKEND_PROVIDERS.
Run `import Pkg; Pkg.add("BACKEND")` to install one of the array backends"""
end
end


# function load(f::String; backend=DEFAULT_BACKEND, kwargs...)
# ds = DataSet(f, kwargs...)

# return convert(backend, ds)
# end

function fileio_load(f::File{format"GRIB"}; backend=DEFAULT_BACKEND, kwargs...)
""" Load command for FileIO integration. Following line must be in the
FileIO Registry for this to function properly:
Expand All @@ -52,3 +41,5 @@ function fileio_load(f::File{format"GRIB"}; backend=DEFAULT_BACKEND, kwargs...)
ds = DataSet(f.filename, kwargs...)
return convert(backend, ds)
end

end # module