Support nested imports, closes #351

docs/cli.rst

@@ -1023,6 +1023,12 @@ You can specify Python modules that should be imported and made available to you
         '"\n".join(textwrap.wrap(value, 100))' \
         --import=textwrap
 
+This supports nested imports as well, for example to use `ElementTree <https://docs.python.org/3/library/xml.etree.elementtree.html>`__::
+
+    $ sqlite-utils convert content.db articles content \
+        'xml.etree.ElementTree.fromstring(value).attrib["title"]' \
+        --import=xml.etree.ElementTree
+
 Use a CODE value of `-` to read from standard input:
 
     $ cat mycode.py | sqlite-utils convert content.db articles headline -

sqlite_utils/cli.py

@@ -2137,7 +2137,7 @@ def convert(
     locals = {}
     globals = {"r": recipes, "recipes": recipes}
     for import_ in imports:
-        globals[import_] = __import__(import_)
+        globals[import_.split(".")[0]] = __import__(import_)
     exec(code_o, globals, locals)
     fn = locals["fn"]
     if dry_run:

tests/test_cli_convert.py

@@ -93,6 +93,27 @@ def test_convert_import(test_db_and_path):
     ] == list(db["example"].rows)
 
 
+def test_convert_import_nested(fresh_db_and_path):
+    db, db_path = fresh_db_and_path
+    db["example"].insert({"xml": '<item name="Cleo" />'})
+    result = CliRunner().invoke(
+        cli.cli,
+        [
+            "convert",
+            db_path,
+            "example",
+            "xml",
+            'xml.etree.ElementTree.fromstring(value).attrib["name"]',
+            "--import",
+            "xml.etree.ElementTree",
+        ],
+    )
+    assert 0 == result.exit_code, result.output
+    assert [
+        {"xml": "Cleo"},
+    ] == list(db["example"].rows)
+
+
 def test_convert_dryrun(test_db_and_path):
     db, db_path = test_db_and_path
     result = CliRunner().invoke(