Add multithreading - performance testing inconclusive

gpg-email-helper.py

@@ -2,6 +2,29 @@ import gpg
 import hkp4py
 import os
 import sys
+import asyncio
+import subprocess
+
+async def get_pubkey(server, fingerprint, log):
+    # This isn't perfect, it's a loose search
+    # for example searching for 7C79FCBB8372E5DE5B17E09A90D4B9641E092971 on keyserver.ubuntu.com returns the wrong key. But it works 99% of the time.
+    #return hkp4py.KeyServer(f'hkp://{server}').search(f'0x{fingerprint}')
+    results = await subprocess.getstatusoutput(f'gpg --keyserver {server} --recv-key {fingerprint}')
+    log.write(f'{server}: {results}\n')
+    print(f'{server}: {results}')
+    return results
+
+
+def get_first_real_result(results):
+    for s in results:
+        s = list(s)
+        for task in s:
+            try:
+                return task.result()
+            except asyncio.exceptions.InvalidStateError:
+                pass
+    return None
+
 
 XDG_DATA_HOME = os.getenv('XDG_DATA_HOME')
 HOME = os.path.expanduser('~')
@@ -14,7 +37,8 @@ email = ''.join(open(filename, 'rt').readlines())
 if 'gpg-email-helper' not in os.listdir(f'{XDG_DATA_HOME}'):
     os.mkdir(f'{XDG_DATA_HOME}/gpg-email-helper')
 
-with open(f'{XDG_DATA_HOME}/gpg-email-helper/log', 'a') as log:
+
+async def main(log):
     log.write(f'\n\nRunning on {filename}\n')
 
     if (
@@ -83,29 +107,23 @@ with open(f'{XDG_DATA_HOME}/gpg-email-helper/log', 'a') as log:
                     'key-server.org',
                     'pgp.id',
                     'sks.ygrek.org',
-                    # 'pgp.mit.edu' # still in operation but very unreliable
+                    #'pgp.mit.edu' # still in operation but very unreliable
                 ]
 
-                for server in keyservers:
-                    log.write(f'{server}: ')
-                    try:
-                        pubkey = hkp4py.KeyServer(
-                            # This isn't perfect, it's a loose search
-                            # for example searching for 7C79FCBB8372E5DE5B17E09A90D4B9641E092971 on keyserver.ubuntu.com returns the wrong key. But it works 99% of the time.
-                            f'hkp://{server}'
-                        ).search(f'0x{fingerprint}')
-                        if pubkey != None:
-                            import_result = gpg.Context().key_import(
-                                pubkey[0].key.encode()
-                            )
-                            log.write(
-                                f'Attempted to import from {server}: {import_result}\n'
-                            )
-                            if type(import_result) == gpg.results.ImportResult:
-                                break
-                        else:
-                            log.write('None\n')
-                    except Exception as e:
-                        log.write(f'[ERROR] {e}\n\n')
+                tasks = [
+                    asyncio.create_task(get_pubkey(server, fingerprint, log))
+                    for server in keyservers
+                ]
+                #tasks = set(tasks)
+                results = await asyncio.gather(tasks)
+                print(1)
+                print(get_first_real_result(results))
+                print(3)
+                print(get_first_real_result(results))
+
         except Exception as e:
             log.write(f'[ERROR] {e}\n\n')
+
+
+with open(f'{XDG_DATA_HOME}/gpg-email-helper/log', 'a') as log:
+    asyncio.run(main(log))