dkelly/pynkode
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

implement keypad size

Browse Source
This commit is contained in:
Donovan
2024-07-19 10:39:05 -05:00
parent b37c17eca6
commit 65d78867ca
13 changed files with 198 additions and 191 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
src/user_interface.py
View File

@@ -1,20 +1,20 @@
from pydantic import BaseModel
from secrets import choice
from src.models import KeypadSize
from src.utils import list_to_matrix, secure_fisher_yates_shuffle, matrix_to_list, matrix_transpose
class UserInterface(BaseModel):
attr_indices: list[int]
attrs_per_key: int
numb_of_keys: int
keypad_size: KeypadSize
@staticmethod
def new(attrs_per_key: int, numb_of_keys: int):
def new(keypad_size: KeypadSize):
# Todo: this a hack do a proper random interface
interface = UserInterface(
attr_indices=list(range(attrs_per_key * numb_of_keys)),
attrs_per_key=attrs_per_key,
numb_of_keys=numb_of_keys,
attr_indices=list(range(keypad_size.numb_of_attrs)),
keypad_size=keypad_size
)
interface.disperse_interface()
for _ in range(10):
@@ -22,18 +22,18 @@ class UserInterface(BaseModel):
return interface
def disperse_interface(self):
user_interface_matrix = list_to_matrix(self.attr_indices, self.attrs_per_key)
user_interface_matrix = list_to_matrix(self.attr_indices, self.keypad_size.attrs_per_key)
shuffled_keys = secure_fisher_yates_shuffle(user_interface_matrix)
dispersed_interface = self._random_attribute_rotation(shuffled_keys, list(range(self.attrs_per_key)))
dispersed_interface = self._random_attribute_rotation(shuffled_keys, list(range(self.keypad_size.attrs_per_key)))
self.attr_indices = matrix_to_list(dispersed_interface)
def shuffle_interface(self):
"""just like dispersion but only half the sets are rotated"""
numb_of_selected_sets = self.attrs_per_key // 2
numb_of_selected_sets = self.keypad_size.attrs_per_key // 2
# randomly shuffle half the sets. if attrs_per_key is odd, randomly add one 50% of the time
numb_of_selected_sets += choice([0, 1]) if (self.attrs_per_key & 1) == 1 else 0
selected_sets = secure_fisher_yates_shuffle(list(range(self.attrs_per_key)))[:numb_of_selected_sets]
user_interface_matrix = list_to_matrix(self.attr_indices, self.attrs_per_key)
numb_of_selected_sets += choice([0, 1]) if (self.keypad_size.attrs_per_key & 1) == 1 else 0
selected_sets = secure_fisher_yates_shuffle(list(range(self.keypad_size.attrs_per_key)))[:numb_of_selected_sets]
user_interface_matrix = list_to_matrix(self.attr_indices, self.keypad_size.attrs_per_key)
shuffled_keys = secure_fisher_yates_shuffle(user_interface_matrix)
interface_by_sets = []
for idx, attrs in enumerate(matrix_transpose(shuffled_keys)):
@@ -44,7 +44,7 @@ class UserInterface(BaseModel):
self.attr_indices = matrix_to_list(matrix_transpose(interface_by_sets))
def _random_attribute_rotation(self, user_interface: list[list[int]], selected_sets: list[int]) -> list[list[int]]:
attr_rotation = secure_fisher_yates_shuffle(list(range(self.numb_of_keys)))[:self.attrs_per_key]
attr_rotation = secure_fisher_yates_shuffle(list(range(self.keypad_size.numb_of_keys)))[:self.keypad_size.attrs_per_key]
transposed_user_interface = matrix_transpose(user_interface)
assert (len(attr_rotation) == len(transposed_user_interface))
for idx, attr_set in enumerate(transposed_user_interface):
@@ -55,7 +55,7 @@ class UserInterface(BaseModel):
return matrix_transpose(transposed_user_interface)
def attribute_adjacency_graph(self) -> dict[int, set[int]]:
user_interface_keypad = list_to_matrix(self.attr_indices, self.attrs_per_key)
user_interface_keypad = list_to_matrix(self.attr_indices, self.keypad_size.attrs_per_key)
graph = {}
for key in user_interface_keypad:
for attr in key:
@@ -65,6 +65,6 @@ class UserInterface(BaseModel):
return graph
def get_key_attr_idxs(self, key_numb: int) -> list[int]:
assert (0 <= key_numb < self.numb_of_keys)
keypad_attr_idx = list_to_matrix(self.attr_indices, self.attrs_per_key)
assert (0 <= key_numb < self.keypad_size.numb_of_keys)
keypad_attr_idx = list_to_matrix(self.attr_indices, self.keypad_size.attrs_per_key)
return keypad_attr_idx[key_numb]