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SF patch #474590 -- RISC OS support

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Guido van Rossum 2001-10-24 20:42:55 +00:00
parent c6ac8a78f6
commit e2ae77b8b8
33 changed files with 256 additions and 188 deletions
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77
Lib/plat-riscos/rourl2path.py
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@ -6,15 +6,26 @@ import string
import urllib
import os
def url2pathname(pathname):
"Convert /-delimited pathname to mac pathname"
#
# XXXX The .. handling should be fixed...
#
tp = urllib.splittype(pathname)[0]
__all__ = ["url2pathname","pathname2url"]
__slash_dot = string.maketrans("/.", "./")
def url2pathname(url):
"Convert URL to a RISC OS path."
tp = urllib.splittype(url)[0]
if tp and tp <> 'file':
raise RuntimeError, 'Cannot convert non-local URL to pathname'
components = string.split(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):
@ -23,59 +34,35 @@ def url2pathname(pathname):
elif components[i] == '..' and i > 0 and \
components[i-1] not in ('', '..'):
del components[i-1:i+1]
i = 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:
if components[i]<>'..' and string.find(components[i], '.')<>-1 :
components[i] = string.join(string.split(components[i],'.'),'/')
i = i+1
if not components[0]:
# Absolute unix path, don't start with colon
return string.join(components[1:], '.')
else:
# relative unix path, start with colon. First replace
# leading .. by empty strings (giving ::file)
i = 0
while i < len(components) and components[i] == '..':
components[i] = '^'
i = i + 1
return string.join(components, '.')
i += 1
components = map(lambda x: urllib.unquote(x).translate(__slash_dot), components)
return '.'.join(components)
def pathname2url(pathname):
"convert mac pathname to /-delimited pathname"
if '/' in pathname:
raise RuntimeError, "Cannot convert pathname containing slashes"
components = string.split(pathname, ':')
# Replace empty string ('::') by .. (will result in '/../' later)
for i in range(1, len(components)):
if components[i] == '':
components[i] = '..'
# Truncate names longer than 31 bytes
components = map(lambda x: x[:31], components)
if os.path.isabs(pathname):
return '/' + string.join(components, '/')
else:
return string.join(components, '/')
"Convert a RISC OS path name to a file url."
return urllib.quote('///' + pathname.translate(__slash_dot), "/$:")
def test():
for url in ["index.html",
"/SCSI::SCSI4/$/Anwendung/Comm/Apps/!Fresco/Welcome",
"/SCSI::SCSI4/$/Anwendung/Comm/Apps/../!Fresco/Welcome",
"../index.html",
"bar/index.html",
"/foo/bar/index.html",
"/foo/bar/",
"/"]:
print `url`, '->', `url2pathname(url)`
for path in ["drive:",
"drive:dir:",
"drive:dir:file",
"drive:file",
"file",
":file",
":dir:",
":dir:file"]:
print "*******************************************************"
for path in ["SCSI::SCSI4.$.Anwendung",
"PythonApp:Lib",
"PythonApp:Lib.rourl2path/py"]:
print `path`, '->', `pathname2url(path)`
if __name__ == '__main__':