anki/qt/aqt/importing.py
2021-03-26 14:21:04 +10:00

507 lines
17 KiB
Python

# Copyright: Ankitects Pty Ltd and contributors
# License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
import json
import os
import re
import shutil
import traceback
import unicodedata
import zipfile
from concurrent.futures import Future
from typing import Any, Dict, Optional
import anki.importing as importing
import aqt.deckchooser
import aqt.forms
import aqt.modelchooser
from anki.importing.apkg import AnkiPackageImporter
from aqt import AnkiQt, gui_hooks
from aqt.qt import *
from aqt.utils import (
HelpPage,
askUser,
disable_help_button,
getFile,
getText,
openHelp,
showInfo,
showText,
showWarning,
tooltip,
tr,
)
class ChangeMap(QDialog):
def __init__(self, mw: AnkiQt, model: Dict, current: str) -> None:
QDialog.__init__(self, mw, Qt.Window)
self.mw = mw
self.model = model
self.frm = aqt.forms.changemap.Ui_ChangeMap()
self.frm.setupUi(self)
disable_help_button(self)
n = 0
setCurrent = False
for field in self.model["flds"]:
item = QListWidgetItem(tr.importing_map_to(val=field["name"]))
self.frm.fields.addItem(item)
if current == field["name"]:
setCurrent = True
self.frm.fields.setCurrentRow(n)
n += 1
self.frm.fields.addItem(QListWidgetItem(tr.importing_map_to_tags()))
self.frm.fields.addItem(QListWidgetItem(tr.importing_ignore_field()))
if not setCurrent:
if current == "_tags":
self.frm.fields.setCurrentRow(n)
else:
self.frm.fields.setCurrentRow(n + 1)
self.field: Optional[str] = None
def getField(self) -> str:
self.exec_()
return self.field
def accept(self) -> None:
row = self.frm.fields.currentRow()
if row < len(self.model["flds"]):
self.field = self.model["flds"][row]["name"]
elif row == self.frm.fields.count() - 2:
self.field = "_tags"
else:
self.field = None
QDialog.accept(self)
def reject(self) -> None:
self.accept()
# called by importFile() when importing a mappable file like .csv
# ImportType = Union[Importer,AnkiPackageImporter, TextImporter]
class ImportDialog(QDialog):
_DEFAULT_FILE_DELIMITER = "\t"
def __init__(self, mw: AnkiQt, importer: Any) -> None:
QDialog.__init__(self, mw, Qt.Window)
self.mw = mw
self.importer = importer
self.frm = aqt.forms.importing.Ui_ImportDialog()
self.frm.setupUi(self)
qconnect(
self.frm.buttonBox.button(QDialogButtonBox.Help).clicked, self.helpRequested
)
disable_help_button(self)
self.setupMappingFrame()
self.setupOptions()
self.modelChanged()
self.frm.autoDetect.setVisible(self.importer.needDelimiter)
gui_hooks.current_note_type_did_change.append(self.modelChanged)
qconnect(self.frm.autoDetect.clicked, self.onDelimiter)
self.updateDelimiterButtonText()
self.frm.allowHTML.setChecked(self.mw.pm.profile.get("allowHTML", True))
qconnect(self.frm.importMode.currentIndexChanged, self.importModeChanged)
self.frm.importMode.setCurrentIndex(self.mw.pm.profile.get("importMode", 1))
self.frm.tagModified.setText(self.mw.pm.profile.get("tagModified", ""))
self.frm.tagModified.setCol(self.mw.col)
# import button
b = QPushButton(tr.actions_import())
self.frm.buttonBox.addButton(b, QDialogButtonBox.AcceptRole)
self.exec_()
def setupOptions(self) -> None:
self.model = self.mw.col.models.current()
self.modelChooser = aqt.modelchooser.ModelChooser(
self.mw, self.frm.modelArea, label=False
)
self.deck = aqt.deckchooser.DeckChooser(self.mw, self.frm.deckArea, label=False)
def modelChanged(self, unused: Any = None) -> None:
self.importer.model = self.mw.col.models.current()
self.importer.initMapping()
self.showMapping()
def onDelimiter(self) -> None:
# Open a modal dialog to enter an delimiter
# Todo/Idea Constrain the maximum width, so it doesnt take up that much screen space
delim, ok = getText(
tr.importing_by_default_anki_will_detect_the(),
self,
help=HelpPage.IMPORTING,
)
# If the modal dialog has been confirmed, update the delimiter
if ok:
# Check if the entered value is valid and if not fallback to default
# at the moment every single character entry as well as '\t' is valid
delim = delim if len(delim) > 0 else self._DEFAULT_FILE_DELIMITER
delim = delim.replace("\\t", "\t") # un-escape it
if len(delim) > 1:
showWarning(
tr.importing_multicharacter_separators_are_not_supported_please()
)
return
self.hideMapping()
def updateDelim() -> None:
self.importer.delimiter = delim
self.importer.updateDelimiter()
self.updateDelimiterButtonText()
self.showMapping(hook=updateDelim)
else:
# If the operation has been canceled, do not do anything
pass
def updateDelimiterButtonText(self) -> None:
if not self.importer.needDelimiter:
return
if self.importer.delimiter:
d = self.importer.delimiter
else:
d = self.importer.dialect.delimiter
if d == "\t":
d = tr.importing_tab()
elif d == ",":
d = tr.importing_comma()
elif d == " ":
d = tr.studying_space()
elif d == ";":
d = tr.importing_semicolon()
elif d == ":":
d = tr.importing_colon()
else:
d = repr(d)
txt = tr.importing_fields_separated_by(val=d)
self.frm.autoDetect.setText(txt)
def accept(self) -> None:
self.importer.mapping = self.mapping
if not self.importer.mappingOk():
showWarning(tr.importing_the_first_field_of_the_note())
return
self.importer.importMode = self.frm.importMode.currentIndex()
self.mw.pm.profile["importMode"] = self.importer.importMode
self.importer.allowHTML = self.frm.allowHTML.isChecked()
self.mw.pm.profile["allowHTML"] = self.importer.allowHTML
self.importer.tagModified = self.frm.tagModified.text()
self.mw.pm.profile["tagModified"] = self.importer.tagModified
did = self.deck.selected_deck_id
self.importer.model["did"] = did
self.mw.col.models.save(self.importer.model, updateReqs=False)
self.mw.col.decks.select(did)
self.mw.progress.start()
self.mw.checkpoint(tr.actions_import())
def on_done(future: Future) -> None:
self.mw.progress.finish()
try:
future.result()
except UnicodeDecodeError:
showUnicodeWarning()
return
except Exception as e:
msg = f"{tr.importing_failed_debug_info()}\n"
err = repr(str(e))
if "1-character string" in err:
msg += err
elif "invalidTempFolder" in err:
msg += self.mw.errorHandler.tempFolderMsg()
else:
msg += traceback.format_exc()
showText(msg)
return
else:
txt = f"{tr.importing_importing_complete()}\n"
if self.importer.log:
txt += "\n".join(self.importer.log)
self.close()
showText(txt, plain_text_edit=True)
self.mw.reset()
self.mw.taskman.run_in_background(self.importer.run, on_done)
def setupMappingFrame(self) -> None:
# qt seems to have a bug with adding/removing from a grid, so we add
# to a separate object and add/remove that instead
self.frame = QFrame(self.frm.mappingArea)
self.frm.mappingArea.setWidget(self.frame)
self.mapbox = QVBoxLayout(self.frame)
self.mapbox.setContentsMargins(0, 0, 0, 0)
self.mapwidget: Optional[QWidget] = None
def hideMapping(self) -> None:
self.frm.mappingGroup.hide()
def showMapping(
self, keepMapping: bool = False, hook: Optional[Callable] = None
) -> None:
if hook:
hook()
if not keepMapping:
self.mapping = self.importer.mapping
self.frm.mappingGroup.show()
assert self.importer.fields()
# set up the mapping grid
if self.mapwidget:
self.mapbox.removeWidget(self.mapwidget)
self.mapwidget.deleteLater()
self.mapwidget = QWidget()
self.mapbox.addWidget(self.mapwidget)
self.grid = QGridLayout(self.mapwidget)
self.mapwidget.setLayout(self.grid)
self.grid.setContentsMargins(3, 3, 3, 3)
self.grid.setSpacing(6)
fields = self.importer.fields()
for num in range(len(self.mapping)):
text = tr.importing_field_of_file_is(val=num + 1)
self.grid.addWidget(QLabel(text), num, 0)
if self.mapping[num] == "_tags":
text = tr.importing_mapped_to_tags()
elif self.mapping[num]:
text = tr.importing_mapped_to(val=self.mapping[num])
else:
text = tr.importing_ignored()
self.grid.addWidget(QLabel(text), num, 1)
button = QPushButton(tr.importing_change())
self.grid.addWidget(button, num, 2)
qconnect(button.clicked, lambda _, s=self, n=num: s.changeMappingNum(n))
def changeMappingNum(self, n: int) -> None:
f = ChangeMap(self.mw, self.importer.model, self.mapping[n]).getField()
try:
# make sure we don't have it twice
index = self.mapping.index(f)
self.mapping[index] = None
except ValueError:
pass
self.mapping[n] = f
if getattr(self.importer, "delimiter", False):
self.savedDelimiter = self.importer.delimiter
def updateDelim() -> None:
self.importer.delimiter = self.savedDelimiter
self.showMapping(hook=updateDelim, keepMapping=True)
else:
self.showMapping(keepMapping=True)
def reject(self) -> None:
self.modelChooser.cleanup()
self.deck.cleanup()
gui_hooks.current_note_type_did_change.remove(self.modelChanged)
QDialog.reject(self)
def helpRequested(self) -> None:
openHelp(HelpPage.IMPORTING)
def importModeChanged(self, newImportMode: int) -> None:
if newImportMode == 0:
self.frm.tagModified.setEnabled(True)
else:
self.frm.tagModified.setEnabled(False)
def showUnicodeWarning() -> None:
"""Shorthand to show a standard warning."""
showWarning(tr.importing_selected_file_was_not_in_utf8())
def onImport(mw: AnkiQt) -> None:
filt = ";;".join([x[0] for x in importing.importers(mw.col)])
file = getFile(mw, tr.actions_import(), None, key="import", filter=filt)
if not file:
return
file = str(file)
head, ext = os.path.splitext(file)
ext = ext.lower()
if ext == ".anki":
showInfo(tr.importing_anki_files_are_from_a_very())
return
elif ext == ".anki2":
showInfo(tr.importing_anki2_files_are_not_directly_importable())
return
importFile(mw, file)
def importFile(mw: AnkiQt, file: str) -> None:
importerClass = None
done = False
for i in importing.importers(mw.col):
if done:
break
for mext in re.findall(r"[( ]?\*\.(.+?)[) ]", i[0]):
if file.endswith(f".{mext}"):
importerClass = i[1]
done = True
break
if not importerClass:
# if no matches, assume TSV
importerClass = importing.importers(mw.col)[0][1]
importer = importerClass(mw.col, file)
# need to show import dialog?
if importer.needMapper:
# make sure we can load the file first
mw.progress.start(immediate=True)
try:
importer.open()
mw.progress.finish()
diag = ImportDialog(mw, importer)
except UnicodeDecodeError:
mw.progress.finish()
showUnicodeWarning()
return
except Exception as e:
mw.progress.finish()
msg = repr(str(e))
if msg == "'unknownFormat'":
showWarning(tr.importing_unknown_file_format())
else:
msg = f"{tr.importing_failed_debug_info()}\n"
msg += str(traceback.format_exc())
showText(msg)
return
finally:
importer.close()
else:
# if it's an apkg/zip, first test it's a valid file
if isinstance(importer, AnkiPackageImporter):
try:
z = zipfile.ZipFile(importer.file)
z.getinfo("collection.anki2")
except:
showWarning(invalidZipMsg())
return
# we need to ask whether to import/replace; if it's
# a colpkg file then the rest of the import process
# will happen in setupApkgImport()
if not setupApkgImport(mw, importer):
return
# importing non-colpkg files
mw.progress.start(immediate=True)
def on_done(future: Future) -> None:
mw.progress.finish()
try:
future.result()
except zipfile.BadZipfile:
showWarning(invalidZipMsg())
except Exception as e:
err = repr(str(e))
if "invalidFile" in err:
msg = tr.importing_invalid_file_please_restore_from_backup()
showWarning(msg)
elif "invalidTempFolder" in err:
showWarning(mw.errorHandler.tempFolderMsg())
elif "readonly" in err:
showWarning(tr.importing_unable_to_import_from_a_readonly())
else:
msg = f"{tr.importing_failed_debug_info()}\n"
msg += str(traceback.format_exc())
showText(msg)
else:
log = "\n".join(importer.log)
if "\n" not in log:
tooltip(log)
else:
showText(log, plain_text_edit=True)
mw.reset()
mw.taskman.run_in_background(importer.run, on_done)
def invalidZipMsg() -> str:
return tr.importing_this_file_does_not_appear_to()
def setupApkgImport(mw: AnkiQt, importer: AnkiPackageImporter) -> bool:
base = os.path.basename(importer.file).lower()
full = (
(base == "collection.apkg")
or re.match("backup-.*\\.apkg", base)
or base.endswith(".colpkg")
)
if not full:
# adding
return True
if not mw.restoringBackup and not askUser(
tr.importing_this_will_delete_your_existing_collection(),
msgfunc=QMessageBox.warning,
defaultno=True,
):
return False
replaceWithApkg(mw, importer.file, mw.restoringBackup)
return False
def replaceWithApkg(mw: aqt.AnkiQt, file: str, backup: bool) -> None:
mw.unloadCollection(lambda: _replaceWithApkg(mw, file, backup))
def _replaceWithApkg(mw: aqt.AnkiQt, filename: str, backup: bool) -> None:
mw.progress.start(immediate=True)
def do_import() -> None:
z = zipfile.ZipFile(filename)
# v2 scheduler?
colname = "collection.anki21"
try:
z.getinfo(colname)
except KeyError:
colname = "collection.anki2"
with z.open(colname) as source, open(mw.pm.collectionPath(), "wb") as target:
# ignore appears related to https://github.com/python/typeshed/issues/4349
# see if can turn off once issue fix is merged in
shutil.copyfileobj(source, target)
d = os.path.join(mw.pm.profileFolder(), "collection.media")
for n, (cStr, file) in enumerate(
json.loads(z.read("media").decode("utf8")).items()
):
mw.taskman.run_on_main(
lambda n=n: mw.progress.update( # type: ignore
tr.importing_processed_media_file(count=n)
)
)
size = z.getinfo(cStr).file_size
dest = os.path.join(d, unicodedata.normalize("NFC", file))
# if we have a matching file size
if os.path.exists(dest) and size == os.stat(dest).st_size:
continue
data = z.read(cStr)
with open(dest, "wb") as file:
file.write(data)
z.close()
def on_done(future: Future) -> None:
mw.progress.finish()
try:
future.result()
except Exception as e:
print(e)
showWarning(tr.importing_the_provided_file_is_not_a())
return
if not mw.loadCollection():
return
if backup:
mw.col.modSchema(check=False)
tooltip(tr.importing_importing_complete())
mw.taskman.run_in_background(do_import, on_done)