feat: add Dates

Project.toml

@@ -5,6 +5,13 @@ version = "1.0.0-DEV"
 
 [deps]
 JSON = "682c06a0-de6a-54ab-a142-c8b1cf79cde6"
+Conda = "8f4d0f93-b110-5947-807f-2305c1781a2d"
+Debugger = "31a5f54b-26ea-5ae9-a837-f05ce5417438"
+Dates = "ade2ca70-3891-5945-98fb-dc099432e06a"
+IJulia = "7073ff75-c697-5162-941a-fcdaad2a7d2a"
+OhMyREPL = "5fb14364-9ced-5910-84b2-373655c76a03"
+PyCall = "438e738f-606a-5dbb-bf0a-cddfbfd45ab0"
+Revise = "295af30f-e4ad-537b-8983-00126c2a3abe"
 Tables = "bd369af6-aec1-5ad0-b16a-f7cc5008161c"
 
 [compat]

src/AwkwardArray.jl

@@ -1,6 +1,7 @@
 module AwkwardArray
 
 import JSON
+import Dates
 import Tables
 
 ### Index ################################################################
@@ -274,10 +275,10 @@ function _to_buffers!(
         primitive = "complex64"
     elseif ITEM == Complex{Float64}
         primitive = "complex128"
-        # elseif ITEM <: Dates.DateTime     # FIXME
-        #     primitive = "datetime64"
-        # elseif ITEM <: Dates.TimePeriod   # FIXME
-        #     primitive = "timedelta64"
+    elseif ITEM <: DateTime
+        primitive = "datetime64"
+    elseif ITEM <: TimePeriod
+        primitive = "timedelta64"
     else
         error(
             "PrimitiveArray has an ITEM type that can't be serialized in the to_buffers protocol: $ITEM",
@@ -3117,10 +3118,10 @@ function from_buffers(
             data = reinterpret(Complex{Float32}, buffer)
         elseif primitive == "complex128"
             data = reinterpret(Complex{Float64}, buffer)
-            # elseif primitive == "datetime64"
-            #     FIXME: Dates.DateTime
-            # elseif primitive == "timedelta64"
-            #     FIXME: Dates.TimePeriod
+        elseif primitive == "datetime64"
+            data = reinterpret(DateTime, buffer)
+        elseif primitive == "timedelta64"
+            data = reinterpret(TimePeriod, buffer)
         else
             error(
                 "unrecognized \"primitive\": $(repr(primitive)) in \"class\": \"$class\" node",

src/pycall/README.md

@@ -0,0 +1,22 @@
+[PyCall](https://github.com/JuliaPy/PyCall.jl) is currently configured to use the Julia-specific Python distribution
+installed by the [Conda.jl](https://github.com/JuliaPy/Conda.jl) package.
+
+  conda create --name ak-julia
+  conda activate ak-julia
+  conda install -c conda-forge awkward
+
+```julia
+using Conda
+Conda.add("awkward")
+```
+
+```julia
+using PyCall
+
+const ak = pyimport("awkward")
+
+test() = println(ak.__version__)
+
+test()
+2.4.6
+```