Merge pull request #140 from davidtaylorhq/macos

add support for chia installed via macOS dmg installer

README.md

@@ -181,11 +181,14 @@ To display the current location of your `plotman.yaml` file and check if it exis
 
 ## Installation
 
-Installation for Linux:
+Installation for Linux and macOS:
 
 1. Plotman assumes that a functioning [Chia](https://github.com/Chia-Network/chia-blockchain)
-   installation is present on the system. Activate your `chia` environment by typing
-   `source /path/to/your/chia/install/activate`.
+   installation is present on the system.
+      - virtual environment (Linux, macOS): Activate your `chia` environment by typing
+        `source /path/to/your/chia/install/activate`.
+      - dmg (macOS): Follow [these instructions](https://github.com/Chia-Network/chia-blockchain/wiki/CLI-Commands-Reference#mac)
+        to add the `chia` binary to the `PATH`
 2. Then, install Plotman using the following command:
    ```shell
     > pip install --force-reinstall git+https://github.com/ericaltendorf/plotman@main

src/plotman/job.py

@@ -24,12 +24,13 @@ def job_phases_for_dstdir(d, all_jobs):
     return sorted([j.progress() for j in all_jobs if j.dstdir == d])
 
 def is_plotting_cmdline(cmdline):
+    if cmdline and 'python' in cmdline[0].lower():
+        cmdline = cmdline[1:]
     return (
-        len(cmdline) >= 4
-        and 'python' in cmdline[0].lower()
-        and cmdline[1].endswith('/chia')
-        and 'plots' == cmdline[2]
-        and 'create' == cmdline[3]
+        len(cmdline) >= 3
+        and cmdline[0].endswith("chia")
+        and 'plots' == cmdline[1]
+        and 'create' == cmdline[2]
     )
 
 # This is a cmdline argument fix for https://github.com/ericaltendorf/plotman/issues/41
@@ -104,12 +105,13 @@ def __init__(self, proc, logroot):
         with self.proc.oneshot():
             # Parse command line args
             args = self.proc.cmdline()
+            if 'python' in args[0].lower():
+                args = args[1:]
             assert len(args) > 4
-            assert 'python' in args[0].lower()
-            assert 'chia' in args[1]
-            assert 'plots' == args[2]
-            assert 'create' == args[3]
-            args_iter = iter(cmdline_argfix(args[4:]))
+            assert 'chia' in args[0]
+            assert 'plots' == args[1]
+            assert 'create' == args[2]
+            args_iter = iter(cmdline_argfix(args[3:]))
             for arg in args_iter:
                 val = None if arg in {'-e', '--nobitfield', '-h', '--help', '--override-k'} else next(args_iter)
                 if arg in {'-k', '--size'}: