diff --git a/src/constants.py b/src/constants.py
index 12a43e0..c0e05e8 100644
--- a/src/constants.py
+++ b/src/constants.py
@@ -1,7 +1,13 @@
+import os
+
 # Constants (The instructors said that we can use global constants here:
 # https://piazza.com/class/ksovzjrlsye72f?cid=1664
 # They should not end with "/"
+from pathlib import Path
+
 DATA_DIR = './data'
 TWEETS_DIR = f'{DATA_DIR}/twitter/user-tweets'
 USER_DIR = f'{DATA_DIR}/twitter/user'
 REPORT_DIR = './report'
+# Sources directory. This may be different from the data directory if the running
+SRC_DIR = str(Path(os.path.realpath(__file__)).parent)