12042567348

Committed 27 Nov 2024 02:24AM UTC coverage: 100.0%. Remained the same

Build # 12042567348

Build Type

push

github

Committed by

web-flow

Commit Message

Update release.yml

Run Details

11178 of 11178 relevant lines covered (100.0%)

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100.0

/tethys_apps/base/function_extractor.py

class TethysFunctionExtractor:
    """
    Base class for PersistentStore and HandoffHandler that returns a function handle from a string path to the function.

    Attributes:
        path (str): The path to a function in the form "app_name.module_name.function_name" or the function object.
    """

    PATH_PREFIX = "tethysapp"

    def __init__(self, path, prefix=PATH_PREFIX, throw=False):
        self.path = path
        self.prefix = prefix
        self._throw = throw
        self._valid = None
        self._function = None

        # Handle function object case
        if not isinstance(path, str):
            if callable(path):
                self._valid = True
                self._function = path

    def _extract_function(self):
        if not self._function and self._valid is None:
            try:
                # Split into parts and extract function name
                module_path, function_name = self.path.rsplit(".", 1)

                # Pre-process handler path
                full_module_path = (
                    ".".join((self.prefix, module_path)) if self.prefix else module_path
                )

                # Import module
                module = __import__(full_module_path, fromlist=[str(function_name)])

            except (ValueError, ImportError) as e:
                self._valid = False
                if self._throw:
                    raise e
            else:
                # Get the function
                self._function = getattr(module, function_name)
                self._valid = True

    @property
    def valid(self):
        """
        True if function is valid otherwise False.
        """
        if self._valid is None:
            self._extract_function()
        return self._valid

    @property
    def function(self):
        """
        The function pointed to by the path_str attribute.

        Returns:
            A handle to a Python function or None if function is not valid.
        """
        if self._function is None:
            self._extract_function()
        return self._function

1	class TethysFunctionExtractor:	1✔
2	"""
3	Base class for PersistentStore and HandoffHandler that returns a function handle from a string path to the function.
4
5	Attributes:
6	path (str): The path to a function in the form "app_name.module_name.function_name" or the function object.
7	"""
8
9	PATH_PREFIX = "tethysapp"	1✔
10
11	def __init__(self, path, prefix=PATH_PREFIX, throw=False):	1✔
12	self.path = path	1✔
13	self.prefix = prefix	1✔
14	self._throw = throw	1✔
15	self._valid = None	1✔
16	self._function = None	1✔
17
18	# Handle function object case
19	if not isinstance(path, str):	1✔
20	if callable(path):	1✔
21	self._valid = True	1✔
22	self._function = path	1✔
23
24	def _extract_function(self):	1✔
25	if not self._function and self._valid is None:	1✔
26	try:	1✔
27	# Split into parts and extract function name
28	module_path, function_name = self.path.rsplit(".", 1)	1✔
29
30	# Pre-process handler path
31	full_module_path = (	1✔
32	".".join((self.prefix, module_path)) if self.prefix else module_path
33	)
34
35	# Import module
36	module = __import__(full_module_path, fromlist=[str(function_name)])	1✔
37
38	except (ValueError, ImportError) as e:	1✔
39	self._valid = False	1✔
40	if self._throw:	1✔
41	raise e	1✔
42	else:
43	# Get the function
44	self._function = getattr(module, function_name)	1✔
45	self._valid = True	1✔
46
47	@property	1✔
48	def valid(self):	1✔
49	"""
50	True if function is valid otherwise False.
51	"""
52	if self._valid is None:	1✔
53	self._extract_function()	1✔
54	return self._valid	1✔
55
56	@property	1✔
57	def function(self):	1✔
58	"""
59	The function pointed to by the path_str attribute.
60
61	Returns:
62	A handle to a Python function or None if function is not valid.
63	"""
64	if self._function is None:	1✔
65	self._extract_function()	1✔
66	return self._function	1✔

tethysplatform / tethys / 12042567348

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