publish backlog of things

clipstack.py

@@ -0,0 +1,35 @@
+import sqlite3, pyperclip, os.path, subprocess, sys
+
+conn = sqlite3.connect(os.path.expanduser("~/.local/share/clipstack.sqlite3"))
+conn.executescript("""CREATE TABLE IF NOT EXISTS stack (pos INTEGER PRIMARY KEY, data BLOB NOT NULL)""")
+
+def push(data):
+    c = conn.cursor()
+    c.execute("SELECT max(pos) FROM stack")
+    res = c.fetchone()[0]
+    if res == None: nxt = 0
+    else: nxt = res + 1
+    c.execute("INSERT INTO stack VALUES (?, ?)", (nxt, data))
+    conn.commit()
+
+def pop():
+    c = conn.cursor()
+    c.execute("SELECT * FROM stack ORDER BY pos DESC LIMIT 1")
+    res = c.fetchone()
+    if not res: return
+    pos, data = res
+    c.execute("DELETE FROM stack WHERE pos = ?", (pos,))
+    return data
+    conn.commit()
+
+mode = sys.argv[1]
+if mode == "push":
+    proc = subprocess.run(["xclip", "-selection", "clipboard", "-o"], stdout=subprocess.PIPE)
+    if proc.returncode == 0:
+        push(proc.stdout)
+        print("push")
+elif mode == "pop":
+    data = pop()
+    if data:
+        proc = subprocess.run(["xclip", "-selection", "clipboard"], input=data)
+        print("pop")