Move EOL image download/review scripts into eol/

1 files changed, 0 insertions, 144 deletions

diff --git a/backend/data/downloadEolImgs.py b/backend/data/downloadEolImgs.py
deleted file mode 100755
index 8cf2ba2..0000000
--- a/backend/data/downloadEolImgs.py
+++ /dev/null
@@ -1,144 +0,0 @@
-#!/usr/bin/python3
-
-import sys, re, os, random
-import sqlite3
-import urllib.parse, requests
-import time
-from threading import Thread
-import signal
-
-usageInfo =  f"usage: {sys.argv[0]}\n"
-usageInfo += "Downloads images from URLs specified in an image-list database, using\n"
-usageInfo += "EOL IDs obtained from another database. Downloaded images get names of\n"
-usageInfo += "the form 'eolId1 contentId1.ext1'\n"
-usageInfo += "\n"
-usageInfo += "SIGINT causes the program to finish ongoing downloads and exit.\n"
-usageInfo += "The program can be re-run to continue downloading, and uses\n"
-usageInfo += "existing downloaded files to decide where to continue from.\n"
-if len(sys.argv) > 1:
-	print(usageInfo, file=sys.stderr)
-	sys.exit(1)
-
-imagesListDb = "eol/imagesList.db"
-dbFile = "data.db"
-outDir = "eolImgsForReview/"
-LICENSE_REGEX = r"cc-by((-nc)?(-sa)?(-[234]\.[05])?)|cc-publicdomain|cc-0-1\.0|public domain"
-POST_DL_DELAY_MIN = 2 # Minimum delay in seconds to pause after download before starting another (for each thread)
-POST_DL_DELAY_MAX = 3
-
-# Get eol-ids from data db
-eolIds = set()
-print("Reading in EOL IDs")
-dbCon = sqlite3.connect(dbFile)
-dbCur = dbCon.cursor()
-for row in dbCur.execute("SELECT id FROM eol_ids"):
-	eolIds.add(row[0])
-dbCon.close()
-# Get eol-ids from images db
-imgDbCon = sqlite3.connect(imagesListDb)
-imgCur = imgDbCon.cursor()
-imgListIds = set()
-for row in imgCur.execute("SELECT DISTINCT page_id FROM images"):
-	imgListIds.add(row[0])
-# Get eol-id intersection, and sort into list
-eolIds = eolIds.intersection(imgListIds)
-eolIds = sorted(eolIds)
-
-MAX_IMGS_PER_ID = 3
-MAX_THREADS = 5
-numThreads = 0
-threadException = None # Used for ending main thread after a non-main thread exception
-def downloadImg(url, outFile):
-	global numThreads, threadException
-	try:
-		data = requests.get(url)
-		with open(outFile, 'wb') as file:
-			file.write(data.content)
-		time.sleep(random.random() * (POST_DL_DELAY_MAX - POST_DL_DELAY_MIN) + POST_DL_DELAY_MIN)
-	except Exception as e:
-		print(f"Error while downloading to {outFile}: {str(e)}", file=sys.stderr)
-		threadException = e
-	numThreads -= 1
-# Create output directory if not present
-if not os.path.exists(outDir):
-	os.mkdir(outDir)
-# Find next eol ID to download for
-print("Finding next ID to download for")
-nextIdx = 0
-fileList = os.listdir(outDir)
-ids = [int(filename.split(" ")[0]) for filename in fileList]
-if len(ids) > 0:
-	ids.sort()
-	nextIdx = eolIds.index(ids[-1]) + 1
-if nextIdx == len(eolIds):
-	print("No IDs left. Exiting...")
-	sys.exit(0)
-# Detect SIGINT signals
-interrupted = False
-oldHandler = None
-def onSigint(sig, frame):
-	global interrupted
-	interrupted = True
-	signal.signal(signal.SIGINT, oldHandler)
-oldHandler = signal.signal(signal.SIGINT, onSigint)
-# Manage downloading
-for idx in range(nextIdx, len(eolIds)):
-	eolId = eolIds[idx]
-	# Get image urls
-	imgDataList = []
-	ownerSet = set() # Used to get images from different owners, for variety
-	for row in imgCur.execute(
-		"SELECT content_id, page_id, copy_url, license, copyright_owner FROM images WHERE page_id = ?", (eolId,)):
-		license = row[3]
-		copyrightOwner = row[4]
-		if re.fullmatch(LICENSE_REGEX, license) == None:
-			continue
-		if len(copyrightOwner) > 100: # Ignore certain copyrightOwner fields that seem long and problematic
-			continue
-		if copyrightOwner not in ownerSet:
-			ownerSet.add(copyrightOwner)
-			imgDataList.append(row)
-			if len(ownerSet) == MAX_IMGS_PER_ID:
-				break
-	if len(imgDataList) == 0:
-		continue
-	# Determine output filenames
-	outFiles = []
-	urls = []
-	for row in imgDataList:
-		contentId = row[0]
-		url = row[2]
-		if url.startswith("data/"):
-			url = "https://content.eol.org/" + url
-		urlParts = urllib.parse.urlparse(url)
-		extension = os.path.splitext(urlParts.path)[1]
-		if len(extension) <= 1:
-			print(f"WARNING: No filename extension found in URL {url}", file=sys.stderr)
-			continue
-		outFiles.append(str(eolId) + " " + str(contentId) + extension)
-		urls.append(url)
-	# Start downloads
-	exitLoop = False
-	for i in range(len(outFiles)):
-		outPath = outDir + outFiles[i]
-		if not os.path.exists(outPath):
-			# Enforce thread limit
-			while numThreads == MAX_THREADS:
-				time.sleep(1)
-			# Wait for threads after an interrupt or thread-exception
-			if interrupted or threadException != None:
-				print("Waiting for existing threads to end")
-				while numThreads > 0:
-					time.sleep(1)
-				exitLoop = True
-				break
-			print("Downloading image to {outPath}")
-			# Perform download
-			numThreads += 1
-			thread = Thread(target=downloadImg, args=(urls[i], outPath), daemon=True)
-			thread.start()
-	if exitLoop:
-		break
-# Close images-list db
-print("Finished downloading")
-imgDbCon.close()