diff --git a/setup.cfg b/setup.cfg
index 1d48b941a4af24a65daf41637c08ab7cb0e4950c..4ae1933487026c9a428c707dc11646bbb34d568a 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,3 +1,11 @@
 [flake8]
 max-line-length = 120
-docstring-convention = google
\ No newline at end of file
+docstring-convention = google
+
+[coverage:report]
+exclude_lines =
+    if __name__ == '__main__':
+
+[coverage:run]
+omit =
+    */cli.py
\ No newline at end of file
diff --git a/src/polyA_classifier/__init__.py b/src/polyA_classifier/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..0f5ce032e98c6174c7674e9a49fb1373faa53533
--- /dev/null
+++ b/src/polyA_classifier/__init__.py
@@ -0,0 +1 @@
+"""Module for classifying poly(A) sequences."""
diff --git a/src/polyA_classifier/cli.py b/src/polyA_classifier/cli.py
new file mode 100644
index 0000000000000000000000000000000000000000..397ccf83519f4762711b5670f10c22667a8cc969
--- /dev/null
+++ b/src/polyA_classifier/cli.py
@@ -0,0 +1,30 @@
+"""Command-line interface for the poly(A) classifier."""
+
+import sys
+import argparse
+from src.polyA_classifier.polyA_classifier import PolyAClassifier
+
+parser = argparse.ArgumentParser()
+
+parser.add_argument('data', action='store', help='str or list(str) of length 200 chars to classify.')
+parser.add_argument('-p', '--path', action='store', help='Path to state-dict for Net-model.',
+                    default='./models/internal_priming.pth')
+
+
+if __name__ == '__main__':
+
+    args = parser.parse_args()
+
+    if args.data[0] == '[':
+
+        data = args.data[1:-1].replace(' ', '').split(',')
+
+    else:
+
+        data = args.data
+
+    classifier = PolyAClassifier(state_dict_path=args.path)
+
+    result = classifier.classify(data)
+
+    sys.stdout.write(str(result))
diff --git a/src/polyA_classifier.py b/src/polyA_classifier/polyA_classifier.py
similarity index 100%
rename from src/polyA_classifier.py
rename to src/polyA_classifier/polyA_classifier.py
diff --git a/tests/test_poly_a.py b/tests/test_poly_a.py
index 1f3760ccd4dafc4923d0b08f461f5f71fc3b285d..8c95e90a166916eee199eaf9e2b1acba18cf9ae1 100644
--- a/tests/test_poly_a.py
+++ b/tests/test_poly_a.py
@@ -3,7 +3,7 @@
 import pytest
 import os
 from src.poly_a import generate_poly_a
-from src.polyA_classifier import PolyAClassifier, Net
+from src.polyA_classifier.polyA_classifier import PolyAClassifier, Net
 import linecache