book: fix python snippets and make them runnable

Signed-off-by: Yuki Kishimoto <[email protected]>

book/snippets/python/src/event/builder.py

@@ -1,4 +1,5 @@
 # ANCHOR: full
+import asyncio
 from nostr_sdk import Keys, EventBuilder, Kind, Tag, NostrSigner, Timestamp
 
 
@@ -35,4 +36,6 @@ async def event_builder():
 
     await sign_and_print(signer, builder3)
 
+if __name__ == '__main__':
+   asyncio.run(event_builder())
 # ANCHOR_END: full

book/snippets/python/src/event/id.py

@@ -57,3 +57,6 @@ def event_id():
     print(f"     - Event ID: {event.id()}")
     print(f"     - Verify the ID & Signature: {event.verify()}")
     # ANCHOR_END: access-verify
+
+if __name__ == '__main__':
+   event_id()

book/snippets/python/src/event/json.py

@@ -13,4 +13,7 @@ def event_json():
     # ANCHOR_END: serialize
 
     print(json)
+
+if __name__ == '__main__':
+   event_json()
 # ANCHOR_END: full

book/snippets/python/src/event/kind.py

@@ -1,4 +1,3 @@
-from typing import cast
 from nostr_sdk import Kind, KindStandard, EventBuilder, Keys, Metadata
 
 
@@ -61,3 +60,6 @@ def kind():
     kind = Kind(10001)
     print(f"     - Is {kind.as_u16()} relay replaceable?: {kind.is_replaceable()}")
     # ANCHOR_END: kind-tests
+
+if __name__ == '__main__':
+   kind()

book/snippets/python/src/event/tags.py

@@ -76,3 +76,6 @@ def tags():
     print(f"     - Tag1 (Title?)  : {tag.kind().is_title()}")
     print(f"     - Tag1 (Summary?): {tag.kind().is_summary()}")
     # ANCHOR_END: logical
+
+if __name__ == '__main__':
+   tags()

book/snippets/python/src/hello.py

@@ -1,11 +1,13 @@
 # ANCHOR: full
-from nostr_sdk import Keys, Client, EventBuilder
+import asyncio
+from nostr_sdk import Keys, Client, EventBuilder, NostrSigner
 
 
 async def hello():
     # ANCHOR: client
     keys = Keys.generate()
-    client = Client(keys)
+    signer = NostrSigner.keys(keys)
+    client = Client(signer)
     # ANCHOR_END: client
 
     # ANCHOR: connect
@@ -24,4 +26,6 @@ async def hello():
     print(f"Not send to: {output.failed}")
     # ANCHOR_END: output
 
+if __name__ == '__main__':
+   asyncio.run(hello())
 # ANCHOR_END: full

book/snippets/python/src/keys.py

@@ -22,3 +22,7 @@ def restore():
     secret_key = SecretKey.parse("6b911fd37cdf5c81d4c0adb1ab7fa822ed253ab0ad9aa18d77257c88b29b718e")
     keys = Keys(secret_key)
 # ANCHOR_END: restore
+
+if __name__ == '__main__':
+   generate()
+   restore()

book/snippets/python/src/messages/client.py

@@ -93,3 +93,6 @@ def client_message():
     print(f"     - JSON: {message.as_json()}")
     print(f"     - Negative Error Message: {message.as_enum().is_neg_msg()}")
     # ANCHOR_END: neg-msg
+
+if __name__ == '__main__':
+   client_message()

book/snippets/python/src/messages/filters.py

@@ -156,3 +156,6 @@ def filters():
     print(f"     Event match for filter: {f.match_event(event)}")
     print(f"     Event2 match for filter: {f.match_event(event2)}")
     # ANCHOR_END: other-match
+
+if __name__ == '__main__':
+   filters()

book/snippets/python/src/messages/relay.py

@@ -101,3 +101,6 @@ def relay_message():
     print(f"     - Negative Error Message: {message.as_enum().is_neg_msg()}")
     print(f"     - JSON: {message.as_json()}")
     # ANCHOR_END: neg-msg
+
+if __name__ == '__main__':
+   relay_message()

book/snippets/python/src/nip01.py

@@ -1,9 +1,10 @@
 from nostr_sdk import Keys, Metadata, EventBuilder
+
+
 def nip01():
     # Generate random keys
     keys = Keys.generate()
 
-    print()
     # ANCHOR: create-event
     # Create metadata object with desired content
     metadata_content = Metadata()\
@@ -32,7 +33,6 @@ def nip01():
     print(f"     JSON      : {event.as_json()}")
     # ANCHOR_END: create-event
 
-    print()
     # ANCHOR: create-metadata
     # Deserialize Metadata from event
     print("Deserializing Metadata Event:")
@@ -47,3 +47,6 @@ def nip01():
     print(f"     Banner    : {metadata.get_banner()}")
     print(f"     NIP05     : {metadata.get_nip05()}")
     # ANCHOR_END: create-metadata
+
+if __name__ == '__main__':
+   nip01()

book/snippets/python/src/nip05.py

@@ -1,3 +1,4 @@
+import asyncio
 from nostr_sdk import Metadata, PublicKey, verify_nip05, get_nip05_profile
 
 
@@ -9,8 +10,6 @@ async def nip05():
         .set_nip05("[email protected]")
     # ANCHOR_END: set-metadata
 
-    print()
-
     # ANCHOR: verify-nip05
     print("Verify NIP-05:")
     nip_05 = "[email protected]"
@@ -30,3 +29,6 @@ async def nip05():
     profile = await get_nip05_profile(nip_05)
     print(f"     {nip_05} Public key: {profile.public_key().to_bech32()}")
     # ANCHOR_END: nip05-profile
+
+if __name__ == '__main__':
+   asyncio.run(nip05())

book/snippets/python/src/nip06.py

@@ -64,3 +64,6 @@ def nip06():
         nsec = Keys.from_mnemonic(words, passphrase, account).secret_key().to_bech32()
         print(f"     Account #{account} bech32: {nsec}")
     # ANCHOR_END: keys-from-seed-accounts-pass
+
+if __name__ == '__main__':
+   nip06()

book/snippets/python/src/nip19.py

@@ -1,4 +1,6 @@
 from nostr_sdk import Keys, EventBuilder, Nip19Profile, Nip19, Nip19Event, Coordinate, Kind
+
+
 def nip19():
     keys = Keys.generate()
 
@@ -57,3 +59,7 @@ def nip19():
     decode_coord = Nip19.from_bech32(coord.to_bech32())
     print(f" Coordinate (decoded): {decode_coord}")
     # ANCHOR_END: nip19-naddr-decode
+
+
+if __name__ == '__main__':
+   nip19()

book/snippets/python/src/nip21.py

@@ -83,3 +83,6 @@ def nip21():
         coord_bech32 = Coordinate.parse(coord_uri).to_bech32()
         print(f" Coordinate (bech32): {coord_bech32}")
     # ANCHOR_END: naddr
+
+if __name__ == '__main__':
+   nip21()

book/snippets/python/src/nip44.py

@@ -1,5 +1,6 @@
 from nostr_sdk import Keys, PublicKey, nip44_encrypt, nip44_decrypt, Nip44Version
 
+
 def nip44():
     print("\nEncrypting and Decrypting Messages (NIP-44):")
     keys = Keys.generate()
@@ -11,3 +12,6 @@ def nip44():
 
     plaintext = nip44_decrypt(keys.secret_key(), pk, ciphertext)
     print(f" Decrypted: {plaintext}")
+
+if __name__ == '__main__':
+   nip44()

book/snippets/python/src/nip47.py

@@ -1,4 +1,5 @@
 # ANCHOR: full
+import asyncio
 from nostr_sdk import NostrWalletConnectUri, Nwc, PayInvoiceRequest, MakeInvoiceRequest
 
 
@@ -26,4 +27,7 @@ async def main():
     result = await nwc.make_invoice(params)
     print(f"Invoice: {result.invoice}")
 
+
+if __name__ == '__main__':
+   asyncio.run(main())
 # ANCHOR_END: full

book/snippets/python/src/nip49.py

@@ -30,4 +30,8 @@ def decrypt():
 
     print(f"Decrypted secret key: {secret_key.to_bech32()}")
 
+
+if __name__ == '__main__':
+   encrypt()
+   decrypt()
 # ANCHOR_END: full

book/snippets/python/src/nip59.py

@@ -1,3 +1,4 @@
+import asyncio
 from nostr_sdk import Keys, EventBuilder, Event, gift_wrap, UnwrappedGift, UnsignedEvent, NostrSigner
 
 
@@ -15,7 +16,7 @@ async def nip59():
     rumor: UnsignedEvent = EventBuilder.text_note("Test").build(alice_keys.public_key())
 
     # Build gift wrap with sender keys
-    gw: Event = await gift_wrap(alice_signer, bob_keys.public_key(), rumor, None)
+    gw: Event = await gift_wrap(alice_signer, bob_keys.public_key(), rumor)
     print(f" Gift Wrap:\n{gw.as_json()}")
 
     # Extract rumor from gift wrap with receiver keys
@@ -25,3 +26,6 @@ async def nip59():
     unwrapped_rumor: UnsignedEvent = unwrapped_gift.rumor()
     print(f"     Sender: {sender.to_bech32()}")
     print(f"     Rumor: {unwrapped_rumor.as_json()}")
+
+if __name__ == '__main__':
+   asyncio.run(nip59())

book/snippets/python/src/nip65.py

@@ -1,5 +1,6 @@
 from nostr_sdk import EventBuilder, Tag, Kind, Keys, RelayMetadata
 
+
 def nip65():
     # Get Keys
     keys = Keys.generate()
@@ -38,3 +39,6 @@ def nip65():
     # Print event as json
     print(f" Event: {event.as_json()}")
     # ANCHOR_END: relay-metadata-custom
+
+if __name__ == '__main__':
+   nip65()

book/snippets/python/src/timestamps.py

@@ -4,7 +4,6 @@
 def timestamps():
     # Generate keys and Events
     alice_keys = Keys.generate()
-    bob_keys = Keys.generate()
 
     print()
     print("Timestamps:")
@@ -36,3 +35,6 @@ def timestamps():
     tag = Tag.expiration(timestamp)
     print(f"     Tag: {tag.as_standardized()}")
     # ANCHOR_END: timestamp-tag
+
+if __name__ == '__main__':
+   timestamps()