Introduce config flag 'no_requirements', which disables the built in check for installed python modules. Additionally Mbed CLI will only report but not attempt to install missing python modules during mbed compile, mbed test, mbed export, mbed detect

Author: screamerbg

mbed/mbed.py

@@ -53,7 +53,7 @@
 
 
 # Application version
-ver = '1.8.3'
+ver = '1.8.4'
 
 # Default paths to Mercurial and Git
 hg_cmd = 'hg'
@@ -1618,7 +1618,12 @@ def requirements_contains(self, library_name):
         with open(os.path.join(req_path, req_file), 'r') as f:
             return library_name in f.read()
 
-    def check_requirements(self, show_warning=False):
+    def check_requirements(self, show_warning_only=False):
+        skip_requirements = self.get_cfg("NO_REQUIREMENTS", False)
+        if skip_requirements:
+            action("Skipping installed requirements check due to configuration flag.")
+            return True
+
         req_path = self.get_requirements() or self.path
         if not req_path:
             return False
@@ -1636,7 +1641,7 @@ def check_requirements(self, show_warning=False):
                     if not pkg in installed_packages:
                         missing.append(pkg)
 
-                if missing and install_requirements:
+                if missing and install_requirements and not show_warning_only:
                     try:
                         action("Auto-installing missing Python modules (%s)..." % ', '.join(missing))
                         pquery([python_cmd, '-m', 'pip', 'install', '-q', '-r', os.path.join(req_path, req_file)])
@@ -1648,15 +1653,15 @@ def check_requirements(self, show_warning=False):
 
         if missing:
             msg = (
-                "Unable to auto-install required Python modules.\n"
-                "The mbed OS tools in this program require the following Python modules: %s\n"
+                "Missing Python modules were not auto-installed.\n"
+                "The Mbed OS tools in this program require the following Python modules: %s\n"
                 "You can install all missing modules by running \"pip install -r %s\" in \"%s\"" % (', '.join(missing), req_file, req_path))
             if os.name == 'posix' and platform.system() == 'Darwin':
                 msg += "\nOn Mac you might have to install packages as your user by adding the \"--user\" flag"
             elif os.name == 'posix':
                 msg += "\nOn Posix systems (Linux, etc) you might have to switch to superuser account or use \"sudo\""
 
-            if show_warning:
+            if show_warning_only:
                 warning(msg)
             else:
                 error(msg, 1)
@@ -1681,7 +1686,7 @@ def post_action(self, check_reqs=True):
             shutil.copy(os.path.join(mbed_tools_path, 'default_settings.py'), os.path.join(self.path, 'mbed_settings.py'))
 
         if check_reqs:
-            self.check_requirements(True)
+            self.check_requirements()
 
     def add_tools(self, path):
         if not os.path.exists(path):
@@ -2977,7 +2982,7 @@ def test_(toolchain=None, target=None, compile_list=False, run_list=False,
 def dev_mgmt(toolchain=None, target=None, source=False, profile=False, build=False):
     orig_path = getcwd()
     program = Program(getcwd(), True)
-    program.check_requirements(True)
+    program.check_requirements()
     with cd(program.path):
         tools_dir = program.get_tools()
 

setup.py

@@ -18,7 +18,7 @@
 
 setup(
     name="mbed-cli",
-    version="1.8.3",
+    version="1.8.4",
     description="Arm Mbed command line tool for repositories version control, publishing and updating code from remotely hosted repositories (GitHub, GitLab and mbed.com), and invoking Mbed OS own build system and export functions, among other operations",
     long_description=long_description,
     long_description_content_type="text/markdown",