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74 lines
2.2 KiB
Python
74 lines
2.2 KiB
Python
#!/usr/bin/env python
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# coding:utf-8
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from meshroom.core import pyCompatibility
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from PySide2.QtCore import QUrl
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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, pyCompatibility.basestring)):
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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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