mirror of
https://github.com/alicevision/Meshroom.git
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635f85e7fd
- "pyCompatibility.basestring" are replaced by standard Python3 "str" - "Sequence" and "Iterable" from "collections" are now directly imported with "collections.abc"
94 lines
2.8 KiB
Python
94 lines
2.8 KiB
Python
#!/usr/bin/env python
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# coding:utf-8
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from PySide2.QtCore import QUrl, QFileInfo
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from PySide2.QtCore import QObject, Slot
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import os
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class FilepathHelper(QObject):
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"""
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FilepathHelper gives access to file path methods not available from JS.
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It should be non-instantiable and expose only static methods, but this is not yet
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possible in PySide.
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"""
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@staticmethod
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def asStr(path):
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"""
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Accepts strings and QUrls and always returns 'path' as a string.
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Args:
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path (str or QUrl): the filepath to consider
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Returns:
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str: String representation of 'path'
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"""
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if not isinstance(path, (QUrl, str)):
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raise TypeError("Unexpected data type: {}".format(path.__class__))
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if isinstance(path, QUrl):
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path = path.toLocalFile()
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return path
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@Slot(str, result=str)
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@Slot(QUrl, result=str)
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def basename(self, path):
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""" Returns the final component of a pathname """
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return os.path.basename(self.asStr(path))
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@Slot(str, result=str)
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@Slot(QUrl, result=str)
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def dirname(self, path):
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""" Returns the directory component of a pathname """
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return os.path.dirname(self.asStr(path))
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@Slot(str, result=str)
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@Slot(QUrl, result=str)
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def extension(self, path):
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""" Returns the extension (.ext) of a pathname """
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return os.path.splitext(self.asStr(path))[-1]
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@Slot(str, result=bool)
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@Slot(QUrl, result=bool)
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def isFile(self, path):
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""" Test whether a path is a regular file """
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return os.path.isfile(self.asStr(path))
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@Slot(str, result=bool)
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@Slot(QUrl, result=bool)
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def exists(self, path):
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""" Test whether a path exists """
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return os.path.exists(self.asStr(path))
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@Slot(QUrl, result=str)
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def urlToString(self, url):
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""" Convert QUrl to a string using 'QUrl.toLocalFile' method """
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return self.asStr(url)
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@Slot(str, result=QUrl)
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def stringToUrl(self, path):
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""" Convert a path (string) to a QUrl using 'QUrl.fromLocalFile' method """
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return QUrl.fromLocalFile(path)
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@Slot(str, result=str)
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@Slot(QUrl, result=str)
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def normpath(self, path):
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""" Returns native normalized path """
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return os.path.normpath(self.asStr(path))
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@Slot(str, result=str)
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@Slot(QUrl, result=str)
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def globFirst(self, path):
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""" Returns the first from a list of paths matching a pathname pattern. """
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import glob
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fileList = glob.glob(self.asStr(path))
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fileList.sort()
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if fileList:
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return fileList[0]
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return ""
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@Slot(QUrl, result=int)
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def fileSizeMB(self, path):
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""" Returns the file size in MB. """
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return QFileInfo(self.asStr(path)).size() / (1024*1024)
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