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| author | Terry Truong <terry06890@gmail.com> | 2022-06-22 01:42:41 +1000 |
|---|---|---|
| committer | Terry Truong <terry06890@gmail.com> | 2022-06-22 09:39:44 +1000 |
| commit | e78c4df403e5f98afa08f7a0841ff233d5f6d05b (patch) | |
| tree | f13dbf91228550075644be9766b4546eb20f1e1f /backend/data/genImgsForWeb.py | |
| parent | ae1467d2ab35a03eb2d7bf3e5ca1cf4634b23443 (diff) | |
Update backend READMEs, rename some files for consistency
Diffstat (limited to 'backend/data/genImgsForWeb.py')
| -rwxr-xr-x | backend/data/genImgsForWeb.py | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/backend/data/genImgsForWeb.py b/backend/data/genImgsForWeb.py deleted file mode 100755 index 3c299bb..0000000 --- a/backend/data/genImgsForWeb.py +++ /dev/null @@ -1,179 +0,0 @@ -#!/usr/bin/python3 - -import sys, os, subprocess -import sqlite3, urllib.parse -import signal - -usageInfo = f"usage: {sys.argv[0]}\n" -usageInfo += "Reads a list of eol/enwiki images from a file, and generates web-usable versions.\n" -usageInfo += "Uses smartcrop, and places resulting images in a directory, with name 'otolId1.jpg'.\n" -usageInfo += "Also adds image metadata to an sqlite database.\n" -usageInfo += "\n" -usageInfo += "SIGINT can be used to stop conversion, and the program can be re-run to\n" -usageInfo += "continue processing. It uses existing output files to decide where to continue from.\n" -if len(sys.argv) > 1: - print(usageInfo, file=sys.stderr) - sys.exit(1) - -imgListFile = "mergedImgList.txt" -outDir = "img/" -eolImgDb = "eol/imagesList.db" -enwikiImgDb = "enwiki/enwikiImgs.db" -pickedImgsDir = "pickedImgs/" -pickedImgsFile = "metadata.txt" -dbFile = "data.db" -IMG_OUT_SZ = 200 -genImgFiles = True - -# Create output directory if not present -if not os.path.exists(outDir): - os.mkdir(outDir) -# Open dbs -dbCon = sqlite3.connect(dbFile) -dbCur = dbCon.cursor() -eolCon = sqlite3.connect(eolImgDb) -eolCur = eolCon.cursor() -enwikiCon = sqlite3.connect(enwikiImgDb) -enwikiCur = enwikiCon.cursor() -# Get 'picked images' info -nodeToPickedImg = {} -if os.path.exists(pickedImgsDir + pickedImgsFile): - lineNum = 0 - with open(pickedImgsDir + pickedImgsFile) as file: - for line in file: - lineNum += 1 - (filename, url, license, artist, credit) = line.rstrip().split("|") - nodeName = os.path.splitext(filename)[0] # Remove extension - (otolId,) = dbCur.execute("SELECT id FROM nodes WHERE name = ?", (nodeName,)).fetchone() - nodeToPickedImg[otolId] = { - "nodeName": nodeName, "id": lineNum, - "filename": filename, "url": url, "license": license, "artist": artist, "credit": credit, - } -# Create image tables if not present -nodesDone = set() -imgsDone = set() -if dbCur.execute("SELECT name FROM sqlite_master WHERE type='table' AND name='node_imgs'").fetchone() == None: - dbCur.execute("CREATE TABLE node_imgs (name TEXT PRIMARY KEY, img_id INT, src TEXT)") - dbCur.execute("CREATE TABLE images" \ - " (id INT, src TEXT, url TEXT, license TEXT, artist TEXT, credit TEXT, PRIMARY KEY (id, src))") -else: - # Get existing node-associations - for (otolId,) in dbCur.execute("SELECT nodes.id FROM node_imgs INNER JOIN nodes ON node_imgs.name = nodes.name"): - nodesDone.add(otolId) - # And images - for (imgId, imgSrc) in dbCur.execute("SELECT id, src from images"): - imgsDone.add((imgId, imgSrc)) - print(f"Found {len(nodesDone)} nodes and {len(imgsDone)} images pre-existing") -# Detect SIGINT signals -interrupted = False -def onSigint(sig, frame): - global interrupted - interrupted = True -signal.signal(signal.SIGINT, onSigint) -# Iterate though images to process -def quit(): - dbCon.commit() - dbCon.close() - eolCon.close() - enwikiCon.close() - sys.exit(0) -def convertImage(imgPath, outPath): - print(f"Converting {imgPath} to {outPath}") - if os.path.exists(outPath): - print(f"ERROR: Output image already exists") - return False - try: - completedProcess = subprocess.run( - ['npx', 'smartcrop-cli', '--width', str(IMG_OUT_SZ), '--height', str(IMG_OUT_SZ), imgPath, outPath], - stdout=subprocess.DEVNULL - ) - except Exception as e: - print(f"ERROR: Exception while attempting to run smartcrop: {e}") - return False - if completedProcess.returncode != 0: - print(f"ERROR: smartcrop had exit status {completedProcess.returncode}") - return False - return True -print("Processing picked images") -for (otolId, imgData) in nodeToPickedImg.items(): - # Check for SIGINT event - if interrupted: - print("Exiting") - quit() - # Skip if already processed - if otolId in nodesDone: - continue - # Convert image - if genImgFiles: - if not convertImage(pickedImgsDir + imgData["filename"], outDir + otolId + ".jpg"): - quit() - else: - print(f"Processing {imgData['nodeName']}: {otolId}.jpg") - # Add entry to db - if (imgData["id"], "picked") not in imgsDone: - dbCur.execute("INSERT INTO images VALUES (?, ?, ?, ?, ?, ?)", - (imgData["id"], "picked", imgData["url"], imgData["license"], imgData["artist"], imgData["credit"])) - imgsDone.add((imgData["id"], "picked")) - dbCur.execute("INSERT INTO node_imgs VALUES (?, ?, ?)", (imgData["nodeName"], imgData["id"], "picked")) - nodesDone.add(otolId) -print("Processing images from eol and enwiki") -iterNum = 0 -with open(imgListFile) as file: - for line in file: - iterNum += 1 - # Check for SIGINT event - if interrupted: - print("Exiting") - break - # Skip lines without an image path - if line.find(" ") == -1: - continue - # Get filenames - (otolId, _, imgPath) = line.rstrip().partition(" ") - # Skip if already processed - if otolId in nodesDone: - continue - # Convert image - if genImgFiles: - if not convertImage(imgPath, outDir + otolId + ".jpg"): - break - else: - if iterNum % 1e4 == 0: - print(f"At iteration {iterNum}") - # Add entry to db - (nodeName,) = dbCur.execute("SELECT name FROM nodes WHERE id = ?", (otolId,)).fetchone() - fromEol = imgPath.startswith("eol/") - imgName = os.path.basename(os.path.normpath(imgPath)) # Get last path component - imgName = os.path.splitext(imgName)[0] # Remove extension - if fromEol: - (eolId, _, contentId) = imgName.partition(" ") - (eolId, contentId) = (int(eolId), int(contentId)) - if (eolId, "eol") not in imgsDone: - query = "SELECT source_url, license, copyright_owner FROM images WHERE content_id = ?" - row = eolCur.execute(query, (contentId,)).fetchone() - if row == None: - print(f"ERROR: No image record for EOL ID {eolId}, content ID {contentId}", file=sys.stderr) - break - (url, license, owner) = row - dbCur.execute("INSERT INTO images VALUES (?, ?, ?, ?, ?, ?)", - (eolId, "eol", url, license, owner, "")) - imgsDone.add((eolId, "eol")) - dbCur.execute("INSERT INTO node_imgs VALUES (?, ?, ?)", (nodeName, eolId, "eol")) - else: - enwikiId = int(imgName) - if (enwikiId, "enwiki") not in imgsDone: - query = "SELECT name, license, artist, credit FROM" \ - " page_imgs INNER JOIN imgs ON page_imgs.img_name = imgs.name" \ - " WHERE page_imgs.page_id = ?" - row = enwikiCur.execute(query, (enwikiId,)).fetchone() - if row == None: - print(f"ERROR: No image record for enwiki ID {enwikiId}", file=sys.stderr) - break - (name, license, artist, credit) = row - url = "https://en.wikipedia.org/wiki/File:" + urllib.parse.quote(name) - dbCur.execute("INSERT INTO images VALUES (?, ?, ?, ?, ?, ?)", - (enwikiId, "enwiki", url, license, artist, credit)) - imgsDone.add((enwikiId, "enwiki")) - dbCur.execute("INSERT INTO node_imgs VALUES (?, ?, ?)", (nodeName, enwikiId, "enwiki")) -# Close dbs -quit() |
