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75 lines
2.1 KiB
Python
75 lines
2.1 KiB
Python
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"""
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Functions that communicate with OBS API
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and work with related XML data.
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"""
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from .. import connection as osc_connection
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from .. import core as osc_core
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def get(apiurl, path, query=None):
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"""
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Send a GET request to OBS.
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:param apiurl: OBS apiurl.
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:type apiurl: str
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:param path: URL path segments.
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:type path: list(str)
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:param query: URL query values.
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:type query: dict(str, str)
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:returns: Parsed XML root.
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:rtype: xml.etree.ElementTree.Element
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"""
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assert apiurl
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assert path
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if not isinstance(path, (list, tuple)):
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raise TypeError("Argument `path` expects a list of strings")
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url = osc_core.makeurl(apiurl, path, query)
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with osc_connection.http_GET(url) as f:
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root = osc_core.ET.parse(f).getroot()
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return root
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def find_nodes(root, root_name, node_name):
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"""
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Find nodes with given `node_name`.
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Also, verify that the root tag matches the `root_name`.
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:param root: Root node.
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:type root: xml.etree.ElementTree.Element
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:param root_name: Expected (tag) name of the root node.
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:type root_name: str
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:param node_name: Name of the nodes we're looking for.
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:type node_name: str
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:returns: List of nodes that match the given `node_name`.
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:rtype: list(xml.etree.ElementTree.Element)
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"""
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assert root.tag == root_name
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return root.findall(node_name)
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def find_node(root, root_name, node_name=None):
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"""
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Find a single node with given `node_name`.
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If `node_name` is not specified, the root node is returned.
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Also, verify that the root tag matches the `root_name`.
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:param root: Root node.
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:type root: xml.etree.ElementTree.Element
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:param root_name: Expected (tag) name of the root node.
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:type root_name: str
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:param node_name: Name of the nodes we're looking for.
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:type node_name: str
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:returns: The node that matches the given `node_name`
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or the root node if `node_name` is not specified.
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:rtype: xml.etree.ElementTree.Element
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"""
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assert root.tag == root_name
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if node_name:
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return root.find(node_name)
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return root
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