Fix task inputs which are absolute paths

product/gradle-plugin/src/main/groovy/com/chaquo/python/PythonPlugin.groovy

@@ -383,12 +383,17 @@ class PythonPlugin implements Plugin<Project> {
 
         File file
         try {
-            file = new File(baseDir, req)
+            file = new File(req)
+            if (! file.isAbsolute()) {
+                // Passing two absolute paths to the File constructor will simply
+                // concatenate them rather than returning the second one.
+                file = new File(baseDir, req)
+            }
             if (! file.exists()) {
                 file = null
             }
         } catch (Exception e) {
-            // In case File() or exists() throws on an invalid filename.
+            // In case any of the above code throws on an invalid filename.
             file = null
         }
         // Do this outside of the try block to avoid hiding exceptions.

product/gradle-plugin/src/test/integration/data/PythonReqs/wheel_file_absolute/app/build.gradle

@@ -0,0 +1,22 @@
+apply plugin: 'com.android.application'
+apply plugin: 'com.chaquo.python'
+
+android {
+    compileSdkVersion 23
+    defaultConfig {
+        applicationId "com.chaquo.python.test"
+        minSdkVersion 21
+        targetSdkVersion 23
+        versionCode 1
+        versionName "0.0.1"
+        python {
+            pip {
+                install new File(projectDir,
+                                 "packages/apple-0.0.1-py2.py3-none-any.whl").toString()
+            }
+        }
+        ndk {
+            abiFilters "x86"
+        }
+    }
+}

product/gradle-plugin/src/test/integration/test_gradle_plugin.py

@@ -753,7 +753,7 @@ def test_download_wheel(self):
                         ["__init__.pxd", "__init__.py", "about.py", "mrmr.pxd", "mrmr.pyx",
                          "include/murmurhash/MurmurHash2.h", "include/murmurhash/MurmurHash3.h",
                          "tests/__init__.py", "tests/test_import.py"]] +
-                       ["chaquopy_libcxx-10000.dist-info/" + name for name in
+                       ["chaquopy_libcxx-11000.dist-info/" + name for name in
                         ["INSTALLER", "LICENSE.TXT", "METADATA"]] +
                        ["murmurhash-0.28.0.dist-info/" + name for name in
                         ["INSTALLER", "LICENSE", "METADATA", "top_level.txt"]])
@@ -883,10 +883,17 @@ def test_reqs_file_content(self):
         run.rerun("PythonReqs/reqs_file_content_3",
                   requirements=["apple2/__init__.py", "bravo1.py"])
 
-    def test_wheel_file(self):
-        run = self.RunGradle("base", "PythonReqs/wheel_file", requirements=["apple/__init__.py"])
-        run.apply_layers("PythonReqs/wheel_file_2")
-        run.rerun(requirements=["apple2/__init__.py"])
+    def test_wheel_file_relative(self):
+        run = self.RunGradle("base", "PythonReqs/wheel_file_relative",
+                             "PythonReqs/wheel_file_1",
+                             requirements=["apple/__init__.py"])
+        run.rerun("PythonReqs/wheel_file_2", requirements=["apple2/__init__.py"])
+
+    def test_wheel_file_absolute(self):
+        run = self.RunGradle("base", "PythonReqs/wheel_file_absolute",
+                             "PythonReqs/wheel_file_1",
+                             requirements=["apple/__init__.py"])
+        run.rerun("PythonReqs/wheel_file_2", requirements=["apple2/__init__.py"])
 
     # This wheel has .data subdirectories for each of the possible distutils scheme keys. Only
     # purelib and platlib should be included in the APK.