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# Copyright (c) 2018 Ultimaker B.V.
# Cura is released under the terms of the LGPLv3 or higher.
import re
from typing import Dict, List, Optional, Union
from PyQt5.QtCore import Qt, pyqtProperty
from UM.Qt.ListModel import ListModel
## Model that holds cura packages. By setting the filter property the instances held by this model can be changed.
class AuthorsModel(ListModel):
def __init__(self, parent = None) -> None:
super().__init__(parent)
self._metadata = None # type: Optional[List[Dict[str, Union[str, List[str], int]]]]
self.addRoleName(Qt.UserRole + 1, "id")
self.addRoleName(Qt.UserRole + 2, "name")
self.addRoleName(Qt.UserRole + 3, "email")
self.addRoleName(Qt.UserRole + 4, "website")
self.addRoleName(Qt.UserRole + 5, "package_count")
self.addRoleName(Qt.UserRole + 6, "package_types")
self.addRoleName(Qt.UserRole + 7, "icon_url")
self.addRoleName(Qt.UserRole + 8, "description")
# List of filters for queries. The result is the union of the each list of results.
self._filter = {} # type: Dict[str, str]
def setMetadata(self, data: List[Dict[str, Union[str, List[str], int]]]):
if self._metadata != data:
self._metadata = data
self._update()
def _update(self) -> None:
items = [] # type: List[Dict[str, Union[str, List[str], int, None]]]
if not self._metadata:
self.setItems(items)
return
for author in self._metadata:
items.append({
"id": author.get("author_id"),
"name": author.get("display_name"),
"email": author.get("email"),
"website": author.get("website"),
"package_count": author.get("package_count", 0),
"package_types": author.get("package_types", []),
"icon_url": author.get("icon_url"),
"description": "Material and quality profiles from {author_name}".format(author_name = author.get("display_name", ""))
})
# Filter on all the key-word arguments.
for key, value in self._filter.items():
if key == "package_types":
key_filter = lambda item, value = value: value in item["package_types"] # type: ignore
elif "*" in value:
key_filter = lambda item, key = key, value = value: self._matchRegExp(item, key, value) # type: ignore
else:
key_filter = lambda item, key = key, value = value: self._matchString(item, key, value) # type: ignore
items = filter(key_filter, items) # type: ignore
# Execute all filters.
filtered_items = list(items)
filtered_items.sort(key = lambda k: k["name"])
self.setItems(filtered_items)
## Set the filter of this model based on a string.
# \param filter_dict \type{Dict} Dictionary to do the filtering by.
def setFilter(self, filter_dict: Dict[str, str]) -> None:
if filter_dict != self._filter:
self._filter = filter_dict
self._update()
@pyqtProperty("QVariantMap", fset = setFilter, constant = True)
def filter(self) -> Dict[str, str]:
return self._filter
# Check to see if a container matches with a regular expression
def _matchRegExp(self, metadata, property_name, value):
if property_name not in metadata:
return False
value = re.escape(value) #Escape for regex patterns.
value = "^" + value.replace("\\*", ".*") + "$" #Instead of (now escaped) asterisks, match on any string. Also add anchors for a complete match.
if self._ignore_case:
value_pattern = re.compile(value, re.IGNORECASE)
else:
value_pattern = re.compile(value)
return value_pattern.match(str(metadata[property_name]))
# Check to see if a container matches with a string
def _matchString(self, metadata, property_name, value):
if property_name not in metadata:
return False
return value.lower() == str(metadata[property_name]).lower()
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