--- a/src/eric7/EricXML/XMLStreamReaderBase.py Wed Jul 13 11:16:20 2022 +0200
+++ b/src/eric7/EricXML/XMLStreamReaderBase.py Wed Jul 13 14:55:47 2022 +0200
@@ -7,7 +7,7 @@
Module implementing a base class for all of eric7s XML stream writers.
"""
-import pickle # secok
+import pickle # secok
import base64
from PyQt6.QtCore import QXmlStreamReader, QCoreApplication
@@ -19,30 +19,31 @@
"""
Class implementing a base class for all of eric7s XML stream readers.
"""
+
def __init__(self, device):
"""
Constructor
-
+
@param device reference to the I/O device to read from (QIODevice)
"""
super().__init__(device)
-
+
def toBool(self, value):
"""
Public method to convert the given value to bool.
-
+
@param value value to be converted ("True", "False", "1", "0")
@return converted value (boolean) or None in case of an error
"""
if value.lower() in ["true", "false"]:
return value.lower() == "true"
-
+
if value in ["1", "0"]:
return bool(int(value))
-
+
self.raiseBadValue(value)
return None
-
+
def showErrorMessage(self):
"""
Public method to show an error message.
@@ -52,61 +53,70 @@
msg = QCoreApplication.translate(
"XMLStreamReaderBase",
"<p>XML parse error in file <b>{0}</b>, line {1},"
- " column {2}</p><p>Error: {3}</p>").format(
+ " column {2}</p><p>Error: {3}</p>",
+ ).format(
self.device().fileName(),
- self.lineNumber(), self.columnNumber(),
- self.errorString())
+ self.lineNumber(),
+ self.columnNumber(),
+ self.errorString(),
+ )
else:
msg = QCoreApplication.translate(
"XMLStreamReaderBase",
- "<p>XML parse error (line {0},"
- " column {1})</p><p>Error: {2}</p>").format(
- self.lineNumber(), self.columnNumber(),
- self.errorString())
+ "<p>XML parse error (line {0}," " column {1})</p><p>Error: {2}</p>",
+ ).format(self.lineNumber(), self.columnNumber(), self.errorString())
EricMessageBox.warning(
None,
- QCoreApplication.translate(
- "XMLStreamReaderBase", "XML parse error"),
- msg)
-
+ QCoreApplication.translate("XMLStreamReaderBase", "XML parse error"),
+ msg,
+ )
+
def raiseUnexpectedStartTag(self, tag):
"""
Public method to raise an error for an unexpected start tag.
-
+
@param tag name of the unexpected tag (string)
"""
- self.raiseError(QCoreApplication.translate(
- "XMLStreamReaderBase", "Unexpected start tag '{0}'.".format(tag)))
-
+ self.raiseError(
+ QCoreApplication.translate(
+ "XMLStreamReaderBase", "Unexpected start tag '{0}'.".format(tag)
+ )
+ )
+
def raiseUnsupportedFormatVersion(self, version):
"""
Public method to raise an error for an unsupported file format version.
-
+
@param version unsupported version (string)
"""
- self.raiseError(QCoreApplication.translate(
- "XMLStreamReaderBase",
- "File format version '{0}' is not supported.").format(version))
-
+ self.raiseError(
+ QCoreApplication.translate(
+ "XMLStreamReaderBase", "File format version '{0}' is not supported."
+ ).format(version)
+ )
+
def raiseBadValue(self, value):
"""
Public method to raise an error for a bad value.
-
+
@param value bad value (string)
"""
- self.raiseError(QCoreApplication.translate(
- "XMLStreamReaderBase", "Bad value: {0}").format(value))
-
+ self.raiseError(
+ QCoreApplication.translate("XMLStreamReaderBase", "Bad value: {0}").format(
+ value
+ )
+ )
+
def readXML(self):
"""
Public method to read and parse the XML document.
"""
pass
-
+
def attribute(self, name, default=""):
"""
Public method to read the given attribute of the current tag.
-
+
@param name name of the attribute (string)
@param default default value (string)
@return value of the requested tag attribute (string)
@@ -128,26 +138,26 @@
else:
value = default
return value
-
+
def _skipUnknownElement(self):
"""
Protected method to skip over all unknown elements.
"""
if not self.isStartElement():
return
-
+
while not self.atEnd():
self.readNext()
if self.isEndElement():
break
-
+
if self.isStartElement():
self._skipUnknownElement()
-
+
def _readBasics(self):
"""
Protected method to read an object of a basic Python type.
-
+
@return Python object read
"""
while not self.atEnd():
@@ -172,12 +182,12 @@
elif self.name() == "string":
val = self.readElementText()
elif self.name() == "bytes":
- by = bytes([int(b) for b in
- self.readElementText().split(",")])
+ by = bytes([int(b) for b in self.readElementText().split(",")])
val = by
elif self.name() == "bytearray":
- by = bytearray([int(b) for b in
- self.readElementText().split(",")])
+ by = bytearray(
+ [int(b) for b in self.readElementText().split(",")]
+ )
val = by
elif self.name() == "tuple":
val = self.__readTuple()
@@ -197,31 +207,32 @@
elif self.name() == "pickle":
encoding = self.attribute("encoding")
if encoding != "base64":
- self.raiseError(QCoreApplication.translate(
- "XMLStreamReaderBase",
- "Pickle data encoding '{0}' is not"
- " supported.").format(encoding))
+ self.raiseError(
+ QCoreApplication.translate(
+ "XMLStreamReaderBase",
+ "Pickle data encoding '{0}' is not" " supported.",
+ ).format(encoding)
+ )
continue
b64 = self.readElementText()
pic = base64.b64decode(b64.encode("ASCII"))
- val = pickle.loads(pic) # secok
+ val = pickle.loads(pic) # secok
else:
self._skipUnknownElement()
except ValueError as err:
self.raiseError(str(err))
continue
-
+
if self.isEndElement():
- if self.name() in [
- "tuple", "list", "dict", "set", "frozenset"]:
+ if self.name() in ["tuple", "list", "dict", "set", "frozenset"]:
return None
else:
return val
-
+
def __readTuple(self):
"""
Private method to read a Python tuple.
-
+
@return Python tuple
"""
li = []
@@ -231,11 +242,11 @@
return tuple(li)
else:
li.append(val)
-
+
def __readList(self):
"""
Private method to read a Python list.
-
+
@return Python list
"""
li = []
@@ -245,11 +256,11 @@
return li
else:
li.append(val)
-
+
def __readDict(self):
"""
Private method to read a Python dictionary.
-
+
@return Python dictionary
"""
d = {}
@@ -262,14 +273,14 @@
d[key] = self._readBasics()
if self.isEndElement() and self.name() == "dict":
self.readNext()
-
+
if self.isEndElement() and self.name() == "dict":
return d
-
+
def __readSet(self):
"""
Private method to read a Python set.
-
+
@return Python set
"""
li = []
@@ -279,21 +290,17 @@
return set(li)
else:
li.append(val)
-
+
def __readFrozenset(self):
"""
Private method to read a Python set.
-
+
@return Python set
"""
li = []
while not self.atEnd():
val = self._readBasics()
- if (
- self.isEndElement() and
- self.name() == "frozenset" and
- val is None
- ):
+ if self.isEndElement() and self.name() == "frozenset" and val is None:
return frozenset(li)
else:
li.append(val)
