Upgrade to Julia 1.8

.github/workflows/Documentation.yaml

@@ -14,7 +14,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: julia-actions/setup-julia@latest
         with:
-          version: 1.6
+          version: 1.8
       - name: Install dependencies
         run: julia --project=docs/ -e 'using Pkg; Pkg.develop(PackageSpec(path=pwd())); Pkg.instantiate()'
       - name: Build and deploy

Project.toml

@@ -14,8 +14,8 @@ SHA = "ea8e919c-243c-51af-8825-aaa63cd721ce"
 Tesseract_jll = "efd95c89-babc-5260-8753-618084eaf9d7"
 
 [compat]
-HTTP = "0.9"
+HTTP = "1.5"
 JSON = "0.21"
 Leptonica_jll = "1.82.0"
 Tesseract_jll = "5.1.0"
-julia = "1.6"
+julia = "1.8"

src/leptonica/pix/rw_bmp.jl

@@ -199,7 +199,7 @@ function pix_write_bmp(
         finally
             lept_free(data)
 
-            if file != nothing
+            if file !== nothing
                 close(file)
             end
         end

src/leptonica/pix/rw_gif.jl

@@ -199,7 +199,7 @@ function pix_write_gif(
         finally
             lept_free(data)
 
-            if file != nothing
+            if file !== nothing
                 close(file)
             end
         end

src/leptonica/pix/rw_jp2k.jl

@@ -58,7 +58,7 @@ function pix_read_jp2k(
     end
 
     # If a box was provided allocate a box.
-    if box != nothing
+    if box !== nothing
         boxPtr = ccall(
             (:boxCreate, LEPTONICA),
             Ptr{Cvoid},
@@ -67,7 +67,7 @@ function pix_read_jp2k(
         )
     end
 
-    if box != nothing && boxPtr == C_NULL
+    if box !== nothing && boxPtr == C_NULL
         return nothing
     end
 
@@ -177,7 +177,7 @@ function pix_read_jp2k(
     end
 
     # If a box was provided allocate a box.
-    if box != nothing
+    if box !== nothing
         boxPtr = ccall(
             (:boxCreate, LEPTONICA),
             Ptr{Cvoid},
@@ -186,7 +186,7 @@ function pix_read_jp2k(
         )
     end
 
-    if box != nothing && boxPtr == C_NULL
+    if box !== nothing && boxPtr == C_NULL
         return nothing
     end
 

src/leptonica/pix/rw_pam.jl

@@ -109,7 +109,7 @@ function pix_write_pam(
         finally
             lept_free(data)
 
-            if file != nothing
+            if file !== nothing
                 close(file)
             end
         end

src/leptonica/pix/rw_pdf.jl

@@ -138,7 +138,7 @@ function pix_write_pdf(
         finally
             lept_free(data)
 
-            if file != nothing
+            if file !== nothing
                 close(file)
             end
         end

src/leptonica/pix/rw_png.jl

@@ -215,7 +215,7 @@ function pix_write_png(
         finally
             lept_free(data)
 
-            if file != nothing
+            if file !== nothing
                 close(file)
             end
         end

src/leptonica/pix/rw_pnm.jl

@@ -192,7 +192,7 @@ function pix_write_pnm(
         finally
             lept_free(data)
 
-            if file != nothing
+            if file !== nothing
                 close(file)
             end
         end

src/leptonica/pix/rw_ps.jl

@@ -92,7 +92,7 @@ function pix_write_ps_i(
 
     # ---------------------------------------------------------------------------------------------
     # If a box was provided allocate a box.
-    if box != nothing
+    if box !== nothing
         boxPtr = ccall(
             (:boxCreate, LEPTONICA),
             Ptr{Cvoid},
@@ -101,7 +101,7 @@ function pix_write_ps_i(
         )
     end
 
-    if box != nothing && boxPtr == C_NULL
+    if box !== nothing && boxPtr == C_NULL
         return (C_NULL, 0)
     end
 
@@ -206,7 +206,7 @@ function pix_write_ps(
         finally
             lept_free(data)
 
-            if file != nothing
+            if file !== nothing
                 close(file)
             end
         end

src/leptonica/pix/rw_spix.jl

@@ -189,7 +189,7 @@ function pix_write_spix(
         finally
             lept_free(data)
 
-            if file != nothing
+            if file !== nothing
                 close(file)
             end
         end

src/tesseract/datafiles/languages.jl

@@ -324,9 +324,9 @@ function parse_languages(
     local files     = get_json_safe(AbstractVector, json, "files")
 
     version === nothing && return Languages()
-    lastcheck == nothing && return Languages()
-    server == nothing && return Languages()
-    files == nothing && return Languages()
+    lastcheck === nothing && return Languages()
+    server === nothing && return Languages()
+    files === nothing && return Languages()
 
     # -------------------------------------------------------------------------------------
     # Check the version.

src/tesseract/tess_inst_config_vars.jl

@@ -87,9 +87,9 @@ function TessParam(
     local debug = findfirst("debug", name) !== nothing ||
                   findfirst("display", name) !== nothing
 
-    if match(r"^-?[0-9]+\.[0-9]+$", value) != nothing
+    if match(r"^-?[0-9]+\.[0-9]+$", value) !== nothing
         return TessParam{Float64}(name, parse(Float64, value), help, debug)
-    elseif match(r"^-?[0-9]+$", value) != nothing
+    elseif match(r"^-?[0-9]+$", value) !== nothing
         return TessParam{Int32}(name, parse(Int32, value), help, debug)
     else
         return TessParam{String}(name, value, help, debug)
@@ -131,7 +131,7 @@ function tess_params_parsed(
     local params = Vector{TessParam}()
     local data   = tess_params(inst)
 
-    if data != nothing
+    if data !== nothing
         for m in eachmatch(r"([a-z0-9_]+)\t([^\t]*)\t([^\n]+)"sm, data)
             local name, value, help = m.captures
             push!(params, TessParam(name, value, help))

src/tesseract/tess_inst_output_tsv.jl

@@ -233,7 +233,7 @@ function tess_parsed_tsv(
         )::Union{Vector{Tsv}, Nothing}
     local text = tess_tsv(inst, page)
 
-    if text == nothing
+    if text === nothing
         return nothing
     end
 

test/leptonica/pix/bmp.jl

@@ -27,7 +27,7 @@
     local original = pix_write_pam(pix)
 
     function unchanged(test)
-        test != nothing && pix_write_pam(test) == original
+        test !== nothing && pix_write_pam(test) == original
     end
 
     # ---------------------------------------------------------------------------------------------
@@ -70,19 +70,19 @@ end
         # -----------------------------------------------------------------------------------------
         # From a file.
         local filename = safe_tmp_file()
-        @test pix_read_bmp(filename) == nothing
-        @test pix_read_bmp("xyzzy.bmp") == nothing
+        @test pix_read_bmp(filename) === nothing
+        @test pix_read_bmp("xyzzy.bmp") === nothing
         rm(filename)
 
         # -----------------------------------------------------------------------------------------
         # From an IOBuffer.
         local buffer = IOBuffer()
-        @test pix_read_bmp(buffer) == nothing
+        @test pix_read_bmp(buffer) === nothing
 
         # -----------------------------------------------------------------------------------------
         # To/From a byte array.
         local bytes = Vector{UInt8}()
-        @test pix_read_bmp(bytes) == nothing
+        @test pix_read_bmp(bytes) === nothing
     end
 end
 
@@ -106,5 +106,5 @@ end
 
     # ---------------------------------------------------------------------------------------------
     # To a byte array.
-    @test (@test_logs (:error, err) pix_write_bmp(pix)) == nothing
+    @test (@test_logs (:error, err) pix_write_bmp(pix)) === nothing
 end

test/leptonica/pix/common.jl

@@ -45,5 +45,5 @@ end
 
     pix_delete!(pix)
 
-    @test (@test_logs (:error, err) pix_get_dimensions(pix)) == nothing
+    @test (@test_logs (:error, err) pix_get_dimensions(pix)) === nothing
 end

test/leptonica/pix/gif.jl

@@ -30,7 +30,7 @@
     # To/From a file.
     local filename = safe_tmp_file()
     @test pix_write_gif(filename, pix) == true
-    @test pix_read_gif(filename) != nothing
+    @test pix_read_gif(filename) !== nothing
     rm(filename)
 
     # ---------------------------------------------------------------------------------------------
@@ -39,7 +39,7 @@
     @test pix_write_gif(buffer, pix) == true
     @test position(buffer) != 0
     seekstart(buffer)
-    @test pix_read_gif(buffer) != nothing
+    @test pix_read_gif(buffer) !== nothing
 
     # ---------------------------------------------------------------------------------------------
     # To/From an IOStream
@@ -48,15 +48,15 @@
     @test pix_write_gif(file, pix) == true
     @test position(file) != 0
     seekstart(file)
-    @test pix_read_gif(file) != nothing
+    @test pix_read_gif(file) !== nothing
     close(file)
     rm(filename)
 
     # ---------------------------------------------------------------------------------------------
     # To/From a byte array.
     local bytes = pix_write_gif(pix)
     @test length(bytes) > 0
-    @test pix_read_gif(bytes) != nothing
+    @test pix_read_gif(bytes) !== nothing
 end
 
 # =================================================================================================
@@ -66,19 +66,19 @@ end
         # -----------------------------------------------------------------------------------------
         # From a file.
         local filename = safe_tmp_file()
-        @test pix_read_gif(filename) == nothing
-        @test pix_read_gif("xyzzy.gif") == nothing
+        @test pix_read_gif(filename) === nothing
+        @test pix_read_gif("xyzzy.gif") === nothing
         rm(filename)
 
         # -----------------------------------------------------------------------------------------
         # From an IOBuffer.
         local buffer = IOBuffer()
-        @test pix_read_gif(buffer) == nothing
+        @test pix_read_gif(buffer) === nothing
 
         # -----------------------------------------------------------------------------------------
         # To/From a byte array.
         local bytes = Vector{UInt8}()
-        @test pix_read_gif(bytes) == nothing
+        @test pix_read_gif(bytes) === nothing
     end
 end
 
@@ -102,5 +102,5 @@ end
 
     # ---------------------------------------------------------------------------------------------
     # To a byte array.
-    @test (@test_logs (:error, err) pix_write_gif(pix)) == nothing
+    @test (@test_logs (:error, err) pix_write_gif(pix)) === nothing
 end