lsst.pex.config.config.RecordingImporter Class Reference

Public Member Functions
def	__init__ (self)
def	__enter__ (self)
def	__exit__ (self, *args)
def	uninstall (self)
def	find_module (self, fullname, path=None)
def	getModules (self)

Public Attributes
	origMetaPath

Detailed Description

Importer (for `sys.meta_path`) that records which modules are being
imported.

*This class does not do any importing itself.*

Examples
--------
Use this class as a context manager to ensure it is properly uninstalled
when done:

>>> with RecordingImporter() as importer:
...     # import stuff
...     import numpy as np
... print("Imported: " + importer.getModules())

Definition at line 693 of file config.py.

Constructor & Destructor Documentation

__init__()

def lsst.pex.config.config.RecordingImporter.__init__

(

self

)

Definition at line 710 of file config.py.

    def __init__(self):
        self._modules = set()
 

Member Function Documentation

__enter__()

def lsst.pex.config.config.RecordingImporter.__enter__

(

self

)

Definition at line 713 of file config.py.

    def __enter__(self):
        self.origMetaPath = sys.meta_path
        sys.meta_path = [self] + sys.meta_path
        return self
 

__exit__()

def lsst.pex.config.config.RecordingImporter.__exit__	(		self,
		*	args
	)

Definition at line 718 of file config.py.

    def __exit__(self, *args):
        self.uninstall()
        return False  # Don't suppress exceptions
 

find_module()

def lsst.pex.config.config.RecordingImporter.find_module	(		self,
			fullname,
			path = None
	)

Called as part of the ``import`` chain of events.

Definition at line 727 of file config.py.

    def find_module(self, fullname, path=None):
        """Called as part of the ``import`` chain of events.
        """
        self._modules.add(fullname)
        # Return None because we don't do any importing.
        return None
 

getModules()

def lsst.pex.config.config.RecordingImporter.getModules

(

self

)

Get the set of modules that were imported.

Returns
-------
modules : `set` of `str`
    Set of imported module names.

Definition at line 734 of file config.py.

    def getModules(self):
        """Get the set of modules that were imported.
 
        Returns
        -------
        modules : `set` of `str`
            Set of imported module names.
        """
        return self._modules
 
 

uninstall()

def lsst.pex.config.config.RecordingImporter.uninstall

(

self

)

Uninstall the importer.

Definition at line 722 of file config.py.

    def uninstall(self):
        """Uninstall the importer.
        """
        sys.meta_path = self.origMetaPath
 

Member Data Documentation

origMetaPath

lsst.pex.config.config.RecordingImporter.origMetaPath

Definition at line 714 of file config.py.

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The documentation for this class was generated from the following file:

• /j/snowflake/release/lsstsw/stack/lsst-scipipe-0.7.0/Linux64/pex_config/22.0.1-2-gd1925c9+bf4f0e694f/python/lsst/pex/config/config.py