remove tapir extension

Project.toml

@@ -21,7 +21,6 @@ MacroTools = "1914dd2f-81c6-5fcd-8719-6d5c9610ff09"
 OrderedCollections = "bac558e1-5e72-5ebc-8fee-abe8a469f55d"
 Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
 Requires = "ae029012-a4dd-5104-9daa-d747884805df"
-Tapir = "07d77754-e150-4737-8c94-cd238a1fb45b"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 ZygoteRules = "700de1a5-db45-46bc-99cf-38207098b444"
 
@@ -31,7 +30,6 @@ EnzymeCore = "f151be2c-9106-41f4-ab19-57ee4f262869"
 ForwardDiff = "f6369f11-7733-5829-9624-2563aa707210"
 MCMCChains = "c7f686f2-ff18-58e9-bc7b-31028e88f75d"
 ReverseDiff = "37e2e3b7-166d-5795-8a7a-e32c996b4267"
-Tapir = "07d77754-e150-4737-8c94-cd238a1fb45b"
 ZygoteRules = "700de1a5-db45-46bc-99cf-38207098b444"
 
 [extensions]
@@ -40,7 +38,6 @@ DynamicPPLEnzymeCoreExt = ["EnzymeCore"]
 DynamicPPLForwardDiffExt = ["ForwardDiff"]
 DynamicPPLMCMCChainsExt = ["MCMCChains"]
 DynamicPPLReverseDiffExt = ["ReverseDiff"]
-DynamicPPLTapirExt = ["Tapir"]
 DynamicPPLZygoteRulesExt = ["ZygoteRules"]
 
 [compat]
@@ -67,7 +64,6 @@ Random = "1.6"
 Requires = "1"
 ReverseDiff = "1"
 Test = "1.6"
-Tapir = "0.2.40"
 ZygoteRules = "0.2"
 julia = "1.6"
 

src/DynamicPPL.jl

@@ -214,9 +214,6 @@ end
         @require ReverseDiff = "37e2e3b7-166d-5795-8a7a-e32c996b4267" include(
             "../ext/DynamicPPLReverseDiffExt.jl"
         )
-        @require Tapir = "07d77754-e150-4737-8c94-cd238a1fb45b" include(
-            "../ext/DynamicPPLTapirExt.jl"
-        )
         @require ZygoteRules = "700de1a5-db45-46bc-99cf-38207098b444" include(
             "../ext/DynamicPPLZygoteRulesExt.jl"
         )

src/logdensityfunction.jl

@@ -116,6 +116,31 @@ function setmodel(f::DynamicPPL.LogDensityFunction, model::DynamicPPL.Model)
     return Accessors.@set f.model = model
 end
 
+# TODO: special case for Tapir, should move to a package extension once Julia compat is updated 
+function DynamicPPL.setmodel(
+    f::LogDensityProblemsAD.ADGradientWrapper,
+    model::DynamicPPL.Model,
+    adtype::ADTypes.AutoTapir,
+)
+    if !hasfield(typeof(f), :rule)
+        @warn "ADGradientWrapper does not have a `rule` field. Please check Tapir version. It is also possible that `adtype` mismatch `ADGradientWrapper` type."
+        @warn "Using default rule."
+        return LogDensityProblemsAD.ADgradient(
+            Val(:Tapir),
+            DynamicPPL.setmodel(LogDensityProblemsAD.parent(f), model);
+            safety_on=adtype.safe_mode,
+            rule=nothing,
+        )
+    else
+        return LogDensityProblemsAD.ADgradient(
+            Val(:Tapir),
+            DynamicPPL.setmodel(LogDensityProblemsAD.parent(f), model);
+            safety_on=adtype.safe_mode,
+            rule=f.rule,
+        )
+    end
+end
+
 # HACK: heavy usage of `AbstractSampler` for, well, _everything_, is being phased out. In the mean time
 # we need to define these annoying methods to ensure that we stay compatible with everything.
 getsampler(f::LogDensityFunction) = getsampler(getcontext(f))