convert bash scripts to python scripts

scripts/start-hyperopt-worker.py

@@ -0,0 +1,27 @@
+#!/usr/bin/env python3
+import multiprocessing
+import os
+import subprocess
+
+PROC_COUNT = multiprocessing.cpu_count() - 1
+DB_NAME = 'freqtrade_hyperopt'
+WORK_DIR = os.path.join(
+    os.path.sep,
+    os.path.abspath(os.path.dirname(__file__)),
+    '..', '.hyperopt', 'worker'
+)
+if not os.path.exists(WORK_DIR):
+    os.makedirs(WORK_DIR)
+
+# Spawn workers
+command = [
+    'hyperopt-mongo-worker',
+    '--mongo=127.0.0.1:1234/{}'.format(DB_NAME),
+    '--poll-interval=0.1',
+    '--workdir={}'.format(WORK_DIR),
+]
+processes = [subprocess.Popen(command) for i in range(PROC_COUNT)]
+
+# Join all workers
+for proc in processes:
+    proc.wait()

scripts/start-hyperopt-worker.sh

@@ -1,12 +0,0 @@
-#!/bin/bash -e
-
-DB_NAME=freqtrade_hyperopt
-
-DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
-WORK_DIR="${DIR}/../.hyperopt/worker"
-
-mkdir -p "${WORK_DIR}"
-hyperopt-mongo-worker \
-    --mongo="127.0.0.1:1234/${DB_NAME}" \
-    --poll-interval=0.1 \
-    --workdir="${WORK_DIR}"

scripts/start-mongodb.py

@@ -0,0 +1,21 @@
+#!/usr/bin/env python3
+
+import os
+import subprocess
+
+
+DB_PATH = os.path.join(
+    os.path.sep,
+    os.path.abspath(os.path.dirname(__file__)),
+    '..', '.hyperopt', 'mongodb'
+)
+if not os.path.exists(DB_PATH):
+    os.makedirs(DB_PATH)
+
+subprocess.Popen([
+    'mongod',
+    '--bind_ip=127.0.0.1',
+    '--port=1234',
+    '--nohttpinterface',
+    '--dbpath={}'.format(DB_PATH),
+]).wait()

scripts/start-mongodb.sh

@@ -1,12 +0,0 @@
-#!/bin/bash -e
-
-DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
-DB_PATH="${DIR}/../.hyperopt/mongodb"
-
-mkdir -p "${DB_PATH}"
-mongod --dbpath "${DB_PATH}" \
-    --bind_ip 127.0.0.1 \
-    --port 1234 \
-    --directoryperdb \
-    --journal \
-    --nohttpinterface