3822451468

Build Type

github

Committed by GitHub

Commit Message

Merge 8c3a0adb5 into cdd441319

Pull Request Pull Request #55: Add python3.11 to test matrix

Run Details

1553 of 1584 relevant lines covered (98.04%)

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97.67

/json_to_models/models/utils.py

from collections import defaultdict
from typing import Generic, TypeVar, Union

from . import INDENT

T = TypeVar('T')


class ListEx(list, Generic[T]):
    """
    Extended list with shortcut methods
    """

    def safe_index(self, value: T):
        try:
            return self.index(value)
        except ValueError:
            return None

    def _safe_indexes(self, *values: T):
        return [i for i in map(self.safe_index, values) if i is not None]

    def insert_before(self, value: T, *before: T):
        ix = self._safe_indexes(*before)
        if not ix:
            raise ValueError
        pos = min(ix)
        self.insert(pos, value)
        return pos

    def insert_after(self, value: T, *after: T):
        ix = self._safe_indexes(*after)
        if not ix:
            raise ValueError
        pos = max(ix) + 1
        self.insert(pos, value)
        return pos


class PositionsDict(defaultdict):
    # Dict contains mapping Index -> position, where position is list index to insert nested element of Index
    INC = object()

    def __init__(self, default_factory=int, **kwargs):
        super().__init__(default_factory, **kwargs)

    def update_position(self, key: str, value: Union[object, int]):
        """
        Shift all elements which are placed after updated one

        :param key: Index or "root"
        :param value: Could be position or PositionsDict.INC to perform quick increment (x+=1)
        :return:
        """
        if value is self.INC:
            value = self[key] + 1
        if key in self:
            old_value = self[key]
            delta = value - old_value
        else:
            old_value = value
            delta = 1
        for k, v in self.items():
            if k != key and v >= old_value:
                self[k] += delta
        self[key] = value


def indent(string: str, lvl: int = 1, indent: str = INDENT) -> str:
    """
    Indent all lines of string by ``indent * lvl``
    """
    return "\n".join(indent * lvl + line for line in string.split("\n"))

1	from collections import defaultdict	5✔
2	from typing import Generic, TypeVar, Union	5✔
3
4	from . import INDENT	5✔
5
6	T = TypeVar('T')	5✔
7
8
9	class ListEx(list, Generic[T]):	5✔
10	"""
11	Extended list with shortcut methods
12	"""
13
14	def safe_index(self, value: T):	5✔
15	try:	5✔
16	return self.index(value)	5✔
17	except ValueError:	5✔
18	return None
19
20	def _safe_indexes(self, *values: T):	5✔
21	return [i for i in map(self.safe_index, values) if i is not None]	5✔
22
23	def insert_before(self, value: T, *before: T):	5✔
24	ix = self._safe_indexes(*before)	5✔
25	if not ix:	5✔
26	raise ValueError	5✔
27	pos = min(ix)	5✔
28	self.insert(pos, value)	5✔
29	return pos	5✔
30
31	def insert_after(self, value: T, *after: T):	5✔
32	ix = self._safe_indexes(*after)	5✔
33	if not ix:	5✔
34	raise ValueError	×
35	pos = max(ix) + 1	5✔
36	self.insert(pos, value)	5✔
37	return pos	5✔
38
39
40	class PositionsDict(defaultdict):	5✔
41	# Dict contains mapping Index -> position, where position is list index to insert nested element of Index
42	INC = object()	5✔
43
44	def __init__(self, default_factory=int, **kwargs):	5✔
45	super().__init__(default_factory, **kwargs)	5✔
46
47	def update_position(self, key: str, value: Union[object, int]):	5✔
48	"""
49	Shift all elements which are placed after updated one
50
51	:param key: Index or "root"
52	:param value: Could be position or PositionsDict.INC to perform quick increment (x+=1)
53	:return:
54	"""
55	if value is self.INC:	5✔
56	value = self[key] + 1	5✔
57	if key in self:	5✔
58	old_value = self[key]	5✔
59	delta = value - old_value	5✔
60	else:
61	old_value = value	5✔
62	delta = 1	5✔
63	for k, v in self.items():	5✔
64	if k != key and v >= old_value:	5✔
65	self[k] += delta	5✔
66	self[key] = value	5✔
67
68
69	def indent(string: str, lvl: int = 1, indent: str = INDENT) -> str:	5✔
70	"""
71	Indent all lines of string by ``indent * lvl``
72	"""
73	return "\n".join(indent * lvl + line for line in string.split("\n"))	5✔

bogdandm / json2python-models / 3822451468

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