micropython: add micropython component

components/language/micropython/tests/import/builtin_import.py

@@ -0,0 +1,22 @@
+# test calling builtin import function
+
+# basic test
+__import__("builtins")
+
+# first arg should be a string
+try:
+    __import__(1)
+except TypeError:
+    print("TypeError")
+
+# module name should not be empty
+try:
+    __import__("")
+except ValueError:
+    print("ValueError")
+
+# level argument should be non-negative
+try:
+    __import__("xyz", None, None, None, -1)
+except ValueError:
+    print("ValueError")

components/language/micropython/tests/import/gen_context.py

@@ -0,0 +1,11 @@
+import gen_context2
+
+GLOBAL = "GLOBAL"
+
+
+def gen():
+    print(GLOBAL)
+    yield 1
+
+
+gen_context2.call(gen())

components/language/micropython/tests/import/gen_context2.py

@@ -0,0 +1,2 @@
+def call(g):
+    next(g)

components/language/micropython/tests/import/import1a.py

@@ -0,0 +1,3 @@
+import import1b
+
+print(import1b.var)

components/language/micropython/tests/import/import1b.py

@@ -0,0 +1,5 @@
+var = 123
+
+
+def throw():
+    raise ValueError

components/language/micropython/tests/import/import2a.py

@@ -0,0 +1,7 @@
+from import1b import var
+
+print(var)
+
+from import1b import var as var2
+
+print(var2)

components/language/micropython/tests/import/import3a.py

@@ -0,0 +1,3 @@
+from import1b import *
+
+print(var)

components/language/micropython/tests/import/import_file.py

@@ -0,0 +1,3 @@
+import import1b
+
+print(import1b.__file__)

components/language/micropython/tests/import/import_long_dyn.py

@@ -0,0 +1 @@
+from import_long_dyn2 import *

components/language/micropython/tests/import/import_long_dyn2.py

@@ -0,0 +1 @@
+globals()["long_long_very_long_long_name"] = 1

components/language/micropython/tests/import/import_override.py

@@ -0,0 +1,21 @@
+# test overriding __import__ combined with importing from the filesystem
+
+
+def custom_import(name, globals, locals, fromlist, level):
+    print("import", name, fromlist, level)
+
+    class M:
+        var = 456
+
+    return M
+
+
+orig_import = __import__
+try:
+    __import__("builtins").__import__ = custom_import
+except AttributeError:
+    print("SKIP")
+    raise SystemExit
+
+# import1a will be done via normal import which will import1b via our custom import
+orig_import("import1a")

components/language/micropython/tests/import/import_override.py.exp

@@ -0,0 +1,2 @@
+import import1b None 0
+456

components/language/micropython/tests/import/import_pkg1.py

@@ -0,0 +1,17 @@
+import pkg.mod
+
+print(pkg.__name__)
+print(pkg.mod.__name__)
+print(pkg.mod.foo())
+
+# Import 2nd time, must be same module objects
+pkg_ = __import__("pkg.mod")
+print(pkg_ is not pkg.mod)
+print(pkg_ is pkg)
+print(pkg_.mod is pkg.mod)
+
+# import using "as"
+import pkg.mod as mm
+
+print(mm is pkg.mod)
+print(mm.foo())

components/language/micropython/tests/import/import_pkg2.py

@@ -0,0 +1,18 @@
+from pkg.mod import foo
+
+try:
+    pkg
+except NameError:
+    print("NameError")
+try:
+    pkg.mod
+except NameError:
+    print("NameError")
+print(foo())
+
+# Import few times, must be same module objects
+mod_1 = __import__("pkg.mod", None, None, ("foo",))
+mod_2 = __import__("pkg.mod", None, None, ("foo",))
+print(mod_1 is mod_2)
+print(mod_1.foo is mod_2.foo)
+print(foo is mod_1.foo)

components/language/micropython/tests/import/import_pkg3.py

@@ -0,0 +1,7 @@
+from pkg import mod
+
+print(mod.foo())
+
+import pkg.mod
+
+print(mod is pkg.mod)

components/language/micropython/tests/import/import_pkg4.py

@@ -0,0 +1,2 @@
+# Testing that "recursive" imports (pkg2/__init__.py imports from pkg2) work
+import pkg2

components/language/micropython/tests/import/import_pkg5.py

@@ -0,0 +1,6 @@
+# This tests relative imports as used in pkg3
+import pkg3
+import pkg3.mod1
+import pkg3.subpkg1.mod1
+
+pkg3.subpkg1.mod1.foo()

components/language/micropython/tests/import/import_pkg6.py

@@ -0,0 +1,2 @@
+# This tests relative imports as used in pkg6
+import pkg6

components/language/micropython/tests/import/import_pkg7.py

@@ -0,0 +1,2 @@
+# This tests ... relative imports as used in pkg7 and imports beyond package root
+import pkg7.subpkg1.subpkg2.mod3

components/language/micropython/tests/import/import_pkg7.py.exp

@@ -0,0 +1,8 @@
+pkg __name__: pkg7
+pkg __name__: pkg7.subpkg1
+pkg __name__: pkg7.subpkg1.subpkg2
+mod1
+mod2
+mod1.foo
+mod2.bar
+ImportError

components/language/micropython/tests/import/import_pkg8.py

@@ -0,0 +1,2 @@
+# import with no __init__.py files
+import pkg8.mod

components/language/micropython/tests/import/import_star_error.py

@@ -0,0 +1,13 @@
+# test errors with import *
+
+# 'import *' is not allowed in function scope
+try:
+    exec("def foo(): from x import *")
+except SyntaxError as er:
+    print("function", "SyntaxError")
+
+# 'import *' is not allowed in class scope
+try:
+    exec("class C: from x import *")
+except SyntaxError as er:
+    print("class", "SyntaxError")

components/language/micropython/tests/import/module_getattr.py

@@ -0,0 +1,24 @@
+# test __getattr__ on module
+
+# ensure that does_not_exist doesn't exist to start with
+this = __import__(__name__)
+try:
+    this.does_not_exist
+    assert False
+except AttributeError:
+    pass
+
+# define __getattr__
+def __getattr__(attr):
+    if attr == "does_not_exist":
+        return False
+    raise AttributeError
+
+
+# do feature test (will also test functionality if the feature exists)
+if not hasattr(this, "does_not_exist"):
+    print("SKIP")
+    raise SystemExit
+
+# check that __getattr__ works as expected
+print(this.does_not_exist)

components/language/micropython/tests/import/module_getattr.py.exp

@@ -0,0 +1 @@
+False

components/language/micropython/tests/import/pkg/mod.py

@@ -0,0 +1,2 @@
+def foo():
+    return 42

components/language/micropython/tests/import/pkg2/__init__.py

@@ -0,0 +1 @@
+from pkg2 import mod1

components/language/micropython/tests/import/pkg2/mod1.py

@@ -0,0 +1 @@
+from pkg2 import mod2

components/language/micropython/tests/import/pkg2/mod2.py

@@ -0,0 +1 @@
+print("in mod2")

components/language/micropython/tests/import/pkg3/__init__.py

@@ -0,0 +1 @@
+print("pkg __name__:", __name__)

components/language/micropython/tests/import/pkg3/mod1.py

@@ -0,0 +1,2 @@
+print("mod1 __name__:", __name__)
+from . import mod2

components/language/micropython/tests/import/pkg3/mod2.py

@@ -0,0 +1,6 @@
+print("mod2 __name__:", __name__)
+print("in mod2")
+
+
+def foo():
+    print("mod2.foo()")

components/language/micropython/tests/import/pkg3/subpkg1/__init__.py

@@ -0,0 +1 @@
+print("subpkg1 __name__:", __name__)

components/language/micropython/tests/import/pkg3/subpkg1/mod1.py

@@ -0,0 +1,2 @@
+print("subpkg1.mod1 __name__:", __name__)
+from ..mod2 import foo

components/language/micropython/tests/import/pkg6/__init__.py

@@ -0,0 +1,3 @@
+from .x import *
+
+print("init")

components/language/micropython/tests/import/pkg6/x/__init__.py

@@ -0,0 +1,3 @@
+from .y import *
+
+print("x")

components/language/micropython/tests/import/pkg6/x/y.py

@@ -0,0 +1 @@
+print("y")

components/language/micropython/tests/import/pkg7/__init__.py

@@ -0,0 +1 @@
+print("pkg __name__:", __name__)

components/language/micropython/tests/import/pkg7/mod1.py

@@ -0,0 +1,2 @@
+print("mod1")
+foo = "mod1.foo"

components/language/micropython/tests/import/pkg7/mod2.py

@@ -0,0 +1,2 @@
+print("mod2")
+bar = "mod2.bar"

components/language/micropython/tests/import/pkg7/subpkg1/__init__.py

@@ -0,0 +1 @@
+print("pkg __name__:", __name__)

components/language/micropython/tests/import/pkg7/subpkg1/subpkg2/__init__.py

@@ -0,0 +1 @@
+print("pkg __name__:", __name__)

components/language/micropython/tests/import/pkg7/subpkg1/subpkg2/mod3.py

@@ -0,0 +1,11 @@
+from ... import mod1
+from ...mod2 import bar
+
+print(mod1.foo)
+print(bar)
+
+# attempted relative import beyond top-level package
+try:
+    from .... import mod1
+except ImportError:
+    print("ImportError")

components/language/micropython/tests/import/pkg8/mod.py

@@ -0,0 +1 @@
+print("foo")

components/language/micropython/tests/import/rel_import_inv.py

@@ -0,0 +1,4 @@
+try:
+    from . import foo
+except:
+    print("Invalid relative import caught")

components/language/micropython/tests/import/try_module.py

@@ -0,0 +1,18 @@
+# Regression test for #290 - throwing exception in another module led to
+# its namespace stick and namespace of current module not coming back.
+import import1b
+
+
+def func1():
+    print("func1")
+
+
+def func2():
+    try:
+        import1b.throw()
+    except ValueError:
+        pass
+    func1()
+
+
+func2()