1 files changed, 37 insertions, 0 deletions
diff --git a/s2-extract-papers.py b/s2-extract-papers.py
new file mode 100644
index 00000000..fb5a8804
--- /dev/null
+++ b/s2-extract-papers.py
@@ -0,0 +1,37 @@
+import os
+import gzip
+
+def find_ids(fn, ids):
+  with gzip.open(fn, 'r') as f:
+    for line in f.readlines():
+      process_paper(str(line))
+
+def process_paper(line):
+  paper_id = line.split('"id":"', 2)[1].split('"', 2)[0]
+  if paper_id in ids:
+    print(paper_id)
+    del ids[paper_id]
+    write_file(paper_id, line)
+
+def read_lines(fn):
+  lookup = {}
+  with open(fn, 'r') as f:
+    for line in f.readlines():
+      lookup[line.strip()] = True
+  return lookup
+  
+def write_file(paper_id, data):
+  dir = '{}/papers/{}/{}'.format(DATA_DIR, paper_id[0:3], paper_id)
+  fn = dir + '/paper.json'
+  if os.path.exists(fn):
+    return
+  os.makedirs(dir, exist_ok=True)
+  with open(fn, 'w') as f:
+    f.write(data)
+
+ids = read_lines("ids.txt")
+S2_DIR = '/media/blue/undisclosed/semantic-scholar'
+DATA_DIR = '/home/lens/undisclosed/megapixels_dev'
+
+find_ids(S2_DIR + '/sample-S2-records.gz', ids)
+