From 8f71d050988ba486b150f178766a304ad8ca19cc Mon Sep 17 00:00:00 2001
From: Reza <reza.eghbali@ucsf.edu>
Date: Mon, 16 Sep 2024 22:21:48 -0700
Subject: [PATCH] greedy_url in error

---
 pyalfe/interfaces/greedy.py |  8 +++-
 pyalfe/tools/__init__.py    | 80 +++++++++++++++++++++++--------------
 2 files changed, 56 insertions(+), 32 deletions(-)

diff --git a/pyalfe/interfaces/greedy.py b/pyalfe/interfaces/greedy.py
index 569f89f..a1c1040 100644
--- a/pyalfe/interfaces/greedy.py
+++ b/pyalfe/interfaces/greedy.py
@@ -1,18 +1,22 @@
 import subprocess
 from shutil import which
 
-from pyalfe.tools import GREEDY_PATH
+from pyalfe.tools import GREEDY_PATH, greedy_url
 
 
 class Greedy:
     def __init__(self, greedy_path=GREEDY_PATH):
         self.cmd = [greedy_path]
         if which(greedy_path) is None:
-            raise RuntimeError(
+            msg = (
                 f'{greedy_path} executable was not found in your system. '
                 'To download and install greedy, visit:\n '
                 'https://greedy.readthedocs.io/en/latest/install.html#using-pre-compiled-binaries'
             )
+            if greedy_url:
+                msg += f'\n or {greedy_url} \n'
+
+            raise RuntimeError(msg)
 
     def dim(self, d):
         self.cmd += ['-d', str(d)]
diff --git a/pyalfe/tools/__init__.py b/pyalfe/tools/__init__.py
index 2d4bb4b..9b397e9 100644
--- a/pyalfe/tools/__init__.py
+++ b/pyalfe/tools/__init__.py
@@ -1,42 +1,62 @@
 import os
+from collections import defaultdict
 
-greedy_url = {
-    'Linux': {
-        'x86_64': (
-            'https://sourceforge.net/projects/greedy-reg/files/Nightly/'
-            'greedy-nightly-Linux-gcc64.tar.gz'
-        )
-    },
-    'Darwin': {
-        'x86_64': (
-            'https://sourceforge.net/projects/greedy-reg/files/Nightly/'
-            'greedy-nightly-MacOS-x86_64.dmg'
+greedy_url = defaultdict(
+    lambda: defaultdict(str),
+    {
+        'Linux': defaultdict(
+            str,
+            {
+                'x86_64': (
+                    'https://sourceforge.net/projects/greedy-reg/files/Nightly/'
+                    'greedy-nightly-Linux-gcc64.tar.gz'
+                )
+            },
         ),
-        'arm64': (
-            'https://sourceforge.net/projects/greedy-reg/files/Nightly/'
-            'greedy-nightly-MacOS-arm64.dmg'
+        'Darwin': defaultdict(
+            str,
+            {
+                'x86_64': (
+                    'https://sourceforge.net/projects/greedy-reg/files/Nightly/'
+                    'greedy-nightly-MacOS-x86_64.dmg'
+                ),
+                'arm64': (
+                    'https://sourceforge.net/projects/greedy-reg/files/Nightly/'
+                    'greedy-nightly-MacOS-arm64.dmg'
+                ),
+            },
         ),
     },
-}[os.uname()[0]][os.uname()[-1]]
+)[os.uname()[0]][os.uname()[-1]]
 
-c3d_url = {
-    'Linux': {
-        'x86_64': (
-            'https://sourceforge.net/projects/c3d/files/c3d/Nightly/'
-            'c3d-nightly-Linux-gcc64.tar.gz'
-        )
-    },
-    'Darwin': {
-        'x86_64': (
-            'https://sourceforge.net/projects/c3d/files/c3d/Nightly/'
-            'c3d-nightly-MacOS-x86_64.dmg'
+
+c3d_url = defaultdict(
+    lambda: defaultdict(str),
+    {
+        'Linux': defaultdict(
+            str,
+            {
+                'x86_64': (
+                    'https://sourceforge.net/projects/c3d/files/c3d/Nightly/'
+                    'c3d-nightly-Linux-gcc64.tar.gz'
+                )
+            },
         ),
-        'arm64': (
-            'https://sourceforge.net/projects/c3d/files/c3d/Nightly/'
-            'c3d-nightly-MacOS-arm64.dmg'
+        'Darwin': defaultdict(
+            str,
+            {
+                'x86_64': (
+                    'https://sourceforge.net/projects/c3d/files/c3d/Nightly/'
+                    'c3d-nightly-MacOS-x86_64.dmg'
+                ),
+                'arm64': (
+                    'https://sourceforge.net/projects/c3d/files/c3d/Nightly/'
+                    'c3d-nightly-MacOS-arm64.dmg'
+                ),
+            },
         ),
     },
-}[os.uname()[0]][os.uname()[-1]]
+)[os.uname()[0]][os.uname()[-1]]
 
 GREEDY_PATH = 'greedy'  # importlib.resources.files('pyalfe.tools').joinpath('greedy')
 C3D_PATH = 'c3d'  # importlib.resources.files('pyalfe.tools').joinpath('c3d')