From 16a4232db94844103d9b4a1f448652f7380d6306 Mon Sep 17 00:00:00 2001
From: Daniel Messer <cyberpunklibrarian@protonmail.com>
Date: Thu, 10 Jul 2025 08:37:19 -0400
Subject: [PATCH] Added CSV output.

---
 Changelog.md          | 11 +++++++++++
 chilicheck.py         | 24 +++++++++++++++---------
 isbn-image-checks.csv |  5 +++++
 isbn-image-checks.txt |  4 ----
 4 files changed, 31 insertions(+), 13 deletions(-)
 create mode 100644 Changelog.md
 create mode 100644 isbn-image-checks.csv
 delete mode 100644 isbn-image-checks.txt

diff --git a/Changelog.md b/Changelog.md
new file mode 100644
index 0000000..76a0912
--- /dev/null
+++ b/Changelog.md
@@ -0,0 +1,11 @@
+# Changelog
+
+## Version 25.07.10
+
+* Added CSV export
+* Removed spaces in the output of image dimensions for greater CSV compatibility
+
+## Version 25.07.08
+
+Initial release. Minimum viable product
+
diff --git a/chilicheck.py b/chilicheck.py
index 612dd4d..0bbbf92 100644
--- a/chilicheck.py
+++ b/chilicheck.py
@@ -1,20 +1,24 @@
 import requests
 from PIL import Image
 from io import BytesIO
+import csv
 
 # The base URL for ChiliFresh - the UPC, ISSN, and sizes aren't too relevant here
 BASE_URL = "https://content.chilifresh.com/?isbn={isbn}&upc=&issn=&size=S"
 
 # File management
 isbn_file = "isbns.txt" # Provide a single column list of ISBNs in a plain text file
-output_file = "isbn-image-checks.txt" # Your results will drop here
+output_csv = "isbn-image-checks.csv" # Your results will drop here
 
-# Read the ISBNs from the input file
+# Read the ISBNs from input file
 with open(isbn_file, "r") as f:
     isbns = [line.strip() for line in f if line.strip()]
 
 # Open and prepare the output file
-with open(output_file, "w") as out:
+with open(output_csv, "w", newline="") as csvfile:
+    writer = csv.writer(csvfile)
+    writer.writerow(["ISBN", "ImageSize"])  # Your CSV headers
+
     for isbn in isbns:
         url = BASE_URL.format(isbn=isbn)
         try:
@@ -23,14 +27,16 @@ with open(output_file, "w") as out:
 
             image = Image.open(BytesIO(response.content))
             width, height = image.size
+            image_size = f"{width}x{height}"
 
-            out.write(f"{isbn}: {width} x {height} pixels\n")
-            print(f"Processed ISBN {isbn}: {width} x {height}")
+            writer.writerow([isbn, image_size])
+            print(f"{isbn}: {image_size}")
 
+        # Error handling
         except requests.exceptions.RequestException as e:
-            out.write(f"{isbn}: Image retrieval error - {e}\n")
-            print(f"Error retrieving image for ISBN {isbn}: {e}")
+            writer.writerow([isbn, f"Image retrieval error - {e}"])
+            print(f"Error retrieving image for {isbn}: {e}")
 
         except Exception as e:
-            out.write(f"{isbn}: Image processing error - {e}\n")
-            print(f"Error processing image for ISBN {isbn}: {e}")
+            writer.writerow([isbn, f"Image processing error - {e}"])
+            print(f"Error processing image for {isbn}: {e}")
diff --git a/isbn-image-checks.csv b/isbn-image-checks.csv
new file mode 100644
index 0000000..1c29251
--- /dev/null
+++ b/isbn-image-checks.csv
@@ -0,0 +1,5 @@
+ISBN,ImageSize
+9780593441299,66x100
+9780061120084,67x100
+9780358362159,1x1
+9781982137274,66x100
diff --git a/isbn-image-checks.txt b/isbn-image-checks.txt
deleted file mode 100644
index c4da38f..0000000
--- a/isbn-image-checks.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-9780593441299: 66 x 100 pixels
-9780061120084: 67 x 100 pixels
-9780358362159: 1 x 1 pixels
-9781982137274: 66 x 100 pixels