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__pycache__	-	0755	-
__init__.py	12.86 KB	0644	Edit Rename Delete
_yaml.cpython-310-x86_64-linux-gnu.so	240.84 KB	0644	Edit Rename Delete
composer.py	4.77 KB	0644	Edit Rename Delete
constructor.py	27.97 KB	0644	Edit Rename Delete
cyaml.py	3.76 KB	0644	Edit Rename Delete
dumper.py	2.77 KB	0644	Edit Rename Delete
emitter.py	42 KB	0644	Edit Rename Delete
error.py	2.47 KB	0644	Edit Rename Delete
events.py	2.39 KB	0644	Edit Rename Delete
loader.py	2.01 KB	0644	Edit Rename Delete
nodes.py	1.41 KB	0644	Edit Rename Delete
parser.py	24.9 KB	0644	Edit Rename Delete
reader.py	6.63 KB	0644	Edit Rename Delete
representer.py	13.85 KB	0644	Edit Rename Delete
resolver.py	8.79 KB	0644	Edit Rename Delete
scanner.py	50.08 KB	0644	Edit Rename Delete
serializer.py	4.07 KB	0644	Edit Rename Delete
tokens.py	2.51 KB	0644	Edit Rename Delete

Edit File:composer.py

__all__ = ['Composer', 'ComposerError']

from .error import MarkedYAMLError
from .events import *
from .nodes import *

class ComposerError(MarkedYAMLError):
    pass

class Composer:

def __init__(self):
        self.anchors = {}

def check_node(self):
        # Drop the STREAM-START event.
        if self.check_event(StreamStartEvent):
            self.get_event()

# If there are more documents available?
        return not self.check_event(StreamEndEvent)

def get_node(self):
        # Get the root node of the next document.
        if not self.check_event(StreamEndEvent):
            return self.compose_document()

def get_single_node(self):
        # Drop the STREAM-START event.
        self.get_event()

# Compose a document if the stream is not empty.
        document = None
        if not self.check_event(StreamEndEvent):
            document = self.compose_document()

# Ensure that the stream contains no more documents.
        if not self.check_event(StreamEndEvent):
            event = self.get_event()
            raise ComposerError("expected a single document in the stream",
                    document.start_mark, "but found another document",
                    event.start_mark)

# Drop the STREAM-END event.
        self.get_event()

return document

def compose_document(self):
        # Drop the DOCUMENT-START event.
        self.get_event()

# Compose the root node.
        node = self.compose_node(None, None)

# Drop the DOCUMENT-END event.
        self.get_event()

self.anchors = {}
        return node

def compose_node(self, parent, index):
        if self.check_event(AliasEvent):
            event = self.get_event()
            anchor = event.anchor
            if anchor not in self.anchors:
                raise ComposerError(None, None, "found undefined alias %r"
                        % anchor, event.start_mark)
            return self.anchors[anchor]
        event = self.peek_event()
        anchor = event.anchor
        if anchor is not None:
            if anchor in self.anchors:
                raise ComposerError("found duplicate anchor %r; first occurrence"
                        % anchor, self.anchors[anchor].start_mark,
                        "second occurrence", event.start_mark)
        self.descend_resolver(parent, index)
        if self.check_event(ScalarEvent):
            node = self.compose_scalar_node(anchor)
        elif self.check_event(SequenceStartEvent):
            node = self.compose_sequence_node(anchor)
        elif self.check_event(MappingStartEvent):
            node = self.compose_mapping_node(anchor)
        self.ascend_resolver()
        return node

def compose_scalar_node(self, anchor):
        event = self.get_event()
        tag = event.tag
        if tag is None or tag == '!':
            tag = self.resolve(ScalarNode, event.value, event.implicit)
        node = ScalarNode(tag, event.value,
                event.start_mark, event.end_mark, style=event.style)
        if anchor is not None:
            self.anchors[anchor] = node
        return node

def compose_sequence_node(self, anchor):
        start_event = self.get_event()
        tag = start_event.tag
        if tag is None or tag == '!':
            tag = self.resolve(SequenceNode, None, start_event.implicit)
        node = SequenceNode(tag, [],
                start_event.start_mark, None,
                flow_style=start_event.flow_style)
        if anchor is not None:
            self.anchors[anchor] = node
        index = 0
        while not self.check_event(SequenceEndEvent):
            node.value.append(self.compose_node(node, index))
            index += 1
        end_event = self.get_event()
        node.end_mark = end_event.end_mark
        return node

def compose_mapping_node(self, anchor):
        start_event = self.get_event()
        tag = start_event.tag
        if tag is None or tag == '!':
            tag = self.resolve(MappingNode, None, start_event.implicit)
        node = MappingNode(tag, [],
                start_event.start_mark, None,
                flow_style=start_event.flow_style)
        if anchor is not None:
            self.anchors[anchor] = node
        while not self.check_event(MappingEndEvent):
            #key_event = self.peek_event()
            item_key = self.compose_node(node, None)
            #if item_key in node.value:
            #    raise ComposerError("while composing a mapping", start_event.start_mark,
            #            "found duplicate key", key_event.start_mark)
            item_value = self.compose_node(node, item_key)
            #node.value[item_key] = item_value
            node.value.append((item_key, item_value))
        end_event = self.get_event()
        node.end_mark = end_event.end_mark
        return node

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current directory: / / lib / python3 / dist-packages / yaml

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