lib-python.2.7.plat-riscos.rourl2path.py Maven / Gradle / Ivy
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Jython is an implementation of the high-level, dynamic, object-oriented
language Python written in 100% Pure Java, and seamlessly integrated with
the Java platform. It thus allows you to run Python on any Java platform.
"""riscos specific module for conversion between pathnames and URLs.
Based on macurl2path.
Do not import directly, use urllib instead."""
import string
import urllib
__all__ = ["url2pathname","pathname2url"]
__slash_dot = string.maketrans("/.", "./")
def url2pathname(url):
"""OS-specific conversion from a relative URL of the 'file' scheme
to a file system path; not recommended for general use."""
tp = urllib.splittype(url)[0]
if tp and tp <> 'file':
raise RuntimeError, 'Cannot convert non-local URL to pathname'
# Turn starting /// into /, an empty hostname means current host
if url[:3] == '///':
url = url[2:]
elif url[:2] == '//':
raise RuntimeError, 'Cannot convert non-local URL to pathname'
components = string.split(url, '/')
if not components[0]:
if '$' in components:
del components[0]
else:
components[0] = '$'
# Remove . and embedded ..
i = 0
while i < len(components):
if components[i] == '.':
del components[i]
elif components[i] == '..' and i > 0 and \
components[i-1] not in ('', '..'):
del components[i-1:i+1]
i -= 1
elif components[i] == '..':
components[i] = '^'
i += 1
elif components[i] == '' and i > 0 and components[i-1] <> '':
del components[i]
else:
i += 1
components = map(lambda x: urllib.unquote(x).translate(__slash_dot), components)
return '.'.join(components)
def pathname2url(pathname):
"""OS-specific conversion from a file system path to a relative URL
of the 'file' scheme; not recommended for general use."""
return urllib.quote('///' + pathname.translate(__slash_dot), "/$:")
def test():
for url in ["index.html",
"/SCSI::SCSI4/$/Anwendung/Comm/Apps/!Fresco/Welcome",
"/SCSI::SCSI4/$/Anwendung/Comm/Apps/../!Fresco/Welcome",
"../index.html",
"bar/index.html",
"/foo/bar/index.html",
"/foo/bar/",
"/"]:
print '%r -> %r' % (url, url2pathname(url))
print "*******************************************************"
for path in ["SCSI::SCSI4.$.Anwendung",
"PythonApp:Lib",
"PythonApp:Lib.rourl2path/py"]:
print '%r -> %r' % (path, pathname2url(path))
if __name__ == '__main__':
test()