fix some smaller bugs

Author: hexaeder

ext/MTKExt_utils.jl

@@ -183,6 +183,7 @@ function fix_metadata!(invalid_eqs, sys)
 
     metadatasubs = Dict()
     allsyms = ModelingToolkit.all_symbols(sys)
+    filter!(s->!contains(repr(s), "Initial"), allsyms)
     allnames = string.(ModelingToolkit.getname.(allsyms))
 
     for invalids in missingmetadata

ext/NetworkDynamicsMTKExt.jl

@@ -290,6 +290,7 @@ function generate_io_function(_sys, inputss::Tuple, outputss::Tuple;
             implicit_outputs = setdiff(alloutputs, _definedoutputs)
             verbose && @warn "The specified outputs $implicit_outputs do not appear in the equations of the system!"
         end
+        verbose && @info "Simplifying system with inputs $_openinputs and outputs $_definedoutputs"
         structural_simplify(_sys, (_openinputs, _definedoutputs); simplify=false)[1]
     end
 

src/metadata.jl

@@ -335,7 +335,7 @@ function dump_initial_state(io, cf::ComponentModel; sigdigits=5, p=true, obs=tru
     lns = AnnotatedString[]
     symidx  = _append_states!(lns, cf, sort(sym(cf)); sigdigits)
     psymidx = _append_states!(lns, cf, sort(psym(cf)); sigdigits)
-    insymidx = _append_states!(lns, cf, sort(insym_all(cf)); sigdigits)
+    insymidx = _append_states!(lns, cf, sort(insym_flat(cf)); sigdigits)
     outsymidx = _append_states!(lns, cf, sort(outsym_flat(cf)); sigdigits)
 
     obsidx = _append_observed!(lns, cf; sigdigits)