Python: Model the psycopg package

python/ql/test/library-tests/frameworks/psycopg/ConceptsTest.expected

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+testFailures
+failures

python/ql/test/library-tests/frameworks/psycopg/ConceptsTest.ql

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+import python
+import experimental.meta.ConceptsTest

python/ql/test/library-tests/frameworks/psycopg/pep249.py

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+import psycopg
+
+conn = psycopg.connect(...)
+conn.execute("some sql", (42,))  # $ getSql="some sql"
+cursor = conn.cursor()
+cursor.execute("some sql", (42,))  # $ getSql="some sql"
+cursor.executemany("some sql", [(42,)])  # $ getSql="some sql"
+
+# as in their examples:
+with psycopg.connect(...) as conn:
+    conn.execute("some sql", (42,))  # $ getSql="some sql"
+    with conn.cursor() as cursor:
+        cursor.execute("some sql", (42,))  # $ getSql="some sql"
+        cursor.executemany("some sql", [(42,)])  # $ getSql="some sql"