Make requirements in deploy_to_gcp optional (#10)

prediction_market_agent_tooling/deploy/gcp/deploy.py

@@ -3,6 +3,7 @@
 import shutil
 import subprocess
 import tempfile
+import typing as t
 from prediction_market_agent_tooling.deploy.agent import DeployableAgent
 from prediction_market_agent_tooling.tools.utils import export_requirements_from_toml
 from prediction_market_agent_tooling.deploy.gcp.utils import (
@@ -20,13 +21,13 @@
 
 def deploy_to_gcp(
     function_file: str,
-    requirements_file: str,
+    requirements_file: t.Optional[str],
     extra_deps: list[str],
     api_keys: dict[str, str],
     market_type: MarketType,
     memory: int,  # in MB
 ) -> str:
-    if not os.path.exists(requirements_file):
+    if requirements_file and not os.path.exists(requirements_file):
         raise ValueError(f"File {requirements_file} does not exist")
 
     if not os.path.exists(function_file):
@@ -40,11 +41,20 @@ def deploy_to_gcp(
         shutil.copy(function_file, f"{tempdir}/main.py")
 
         # If the file is a .toml file, convert it to a requirements.txt file
-        if requirements_file.endswith(".toml"):
-            export_requirements_from_toml(output_dir=tempdir, extra_deps=extra_deps)
+        if requirements_file is None:
+            # Just create an empty file.
+            with open(f"{tempdir}/requirements.txt", "w"):
+                pass
+        elif requirements_file.endswith(".toml"):
+            export_requirements_from_toml(output_dir=tempdir)
         else:
             shutil.copy(requirements_file, f"{tempdir}/requirements.txt")
 
+        if extra_deps:
+            with open(f"{tempdir}/requirements.txt", "a") as f:
+                for dep in extra_deps:
+                    f.write(f"{dep}\n")
+
         # Create the topic used to trigger the function. Note we use the
         # convention that the topic name is the same as the function name
         subprocess.run(gcloud_create_topic_cmd(gcp_fname), shell=True)

prediction_market_agent_tooling/tools/utils.py

@@ -50,16 +50,12 @@ def should_not_happen(
     raise exp(msg)
 
 
-def export_requirements_from_toml(output_dir: str, extra_deps: list[str] = []) -> None:
+def export_requirements_from_toml(output_dir: str) -> None:
     if not os.path.exists(output_dir):
         raise ValueError(f"Directory {output_dir} does not exist")
     output_file = f"{output_dir}/requirements.txt"
     subprocess.run(
         f"poetry export -f requirements.txt --without-hashes --output {output_file}",
         shell=True,
     )
-    if extra_deps:
-        with open(output_file, "a") as f:
-            for dep in extra_deps:
-                f.write(f"{dep}\n")
     print(f"Saved requirements to {output_dir}/requirements.txt")