Work around Debian's faultily-patched pip

Pext · Mar 23, 2017 · 2ca807f · 2ca807f
1 parent 779e460
commit 2ca807f
Showing 1 changed file with 17 additions and 11 deletions.
diff --git a/pext/__main__.py b/pext/__main__.py
@@ -471,18 +471,24 @@ def _pip_install(self, module_dir_name: str) -> int:
             # Probably already exists, that's okay
             pass
 
-        try:
-            run([sys.executable,
-                 '-m',
-                 'pip',
-                 'install',
-                  '--system',
-                  '--upgrade',
-                  '--target',
-                  module_dependencies_path,
-                  '-r',
-                  module_requirements_path], check=True)
+        # Create the pip command
+        pip_command = [sys.executable,
+                       '-m',
+                       'pip',
+                       'install']
+
+        # Cheap hack to work around Debian's faultily-patched pip
+        if os.path.isfile('/usr/bin/apt'):
+            pip_command += ['--system']
+
+        pip_command += ['--upgrade',
+                        '--target',
+                        module_dependencies_path,
+                        '-r',
+                        module_requirements_path]
 
+        try:
+            run(pip_command, check=True)
         except CalledProcessError as e:
             return e.returncode