| 1 |
Found the code, and it's actually part of python (as of 2.4). |
| 2 |
Gentoo sets aliased to 1 when printing the system uname. |
| 3 |
/usr/lib/python2.{4,5,6}/platform.py: |
| 4 |
|
| 5 |
def _platform(*args): |
| 6 |
|
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""" Helper to format the platform string in a filename |
| 8 |
compatible format e.g. "system-version-machine". |
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""" |
| 10 |
# Format the platform string |
| 11 |
platform = string.join( |
| 12 |
map(string.strip, |
| 13 |
filter(len,args)), |
| 14 |
'-') |
| 15 |
|
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# Cleanup some possible filename obstacles... |
| 17 |
replace = string.replace |
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platform = replace(platform,' ','_') |
| 19 |
platform = replace(platform,'/','-') |
| 20 |
platform = replace(platform,'\\','-') |
| 21 |
platform = replace(platform,':','-') |
| 22 |
platform = replace(platform,';','-') |
| 23 |
platform = replace(platform,'"','-') |
| 24 |
platform = replace(platform,'(','-') |
| 25 |
platform = replace(platform,')','-') |
| 26 |
|
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# No need to report 'unknown' information... |
| 28 |
platform = replace(platform,'unknown','') |
| 29 |
|
| 30 |
# Fold '--'s and remove trailing '-' |
| 31 |
while 1: |
| 32 |
cleaned = replace(platform,'--','-') |
| 33 |
if cleaned == platform: |
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break |
| 35 |
platform = cleaned |
| 36 |
while platform[-1] == '-': |
| 37 |
platform = platform[:-1] |
| 38 |
|
| 39 |
return platform |
| 40 |
|
| 41 |
def platform(aliased=0, terse=0): |
| 42 |
|
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""" Returns a single string identifying the underlying platform |
| 44 |
with as much useful information as possible (but no more :). |
| 45 |
|
| 46 |
The output is intended to be human readable rather than |
| 47 |
machine parseable. It may look different on different |
| 48 |
platforms and this is intended. |
| 49 |
|
| 50 |
If "aliased" is true, the function will use aliases for |
| 51 |
various platforms that report system names which differ from |
| 52 |
their common names, e.g. SunOS will be reported as |
| 53 |
Solaris. The system_alias() function is used to implement |
| 54 |
this. |
| 55 |
|
| 56 |
Setting terse to true causes the function to return only the |
| 57 |
absolute minimum information needed to identify the platform. |
| 58 |
|
| 59 |
""" |
| 60 |
result = _platform_cache.get((aliased, terse), None) |
| 61 |
if result is not None: |
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return result |
| 63 |
|
| 64 |
# Get uname information and then apply platform specific cosmetics |
| 65 |
# to it... |
| 66 |
system,node,release,version,machine,processor = uname() |
| 67 |
if machine == processor: |
| 68 |
processor = '' |
| 69 |
if aliased: |
| 70 |
system,release,version = system_alias(system,release,version) |
| 71 |
|
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if system == 'Windows': |
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# MS platforms |
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rel,vers,csd,ptype = win32_ver(version) |
| 75 |
if terse: |
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platform = _platform(system,release) |
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else: |
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platform = _platform(system,release,version,csd) |
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|
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elif system in ('Linux',): |
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# Linux based systems |
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distname,distversion,distid = dist('') |
| 83 |
if distname and not terse: |
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platform = _platform(system,release,machine,processor, |
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'with', |
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distname,distversion,distid) |
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else: |
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# If the distribution name is unknown check for libc vs. glibc |
| 89 |
libcname,libcversion = libc_ver(sys.executable) |
| 90 |
platform = _platform(system,release,machine,processor, |
| 91 |
'with', |
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libcname+libcversion) |
| 93 |
elif system == 'Java': |
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# Java platforms |
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r,v,vminfo,(os_name,os_version,os_arch) = java_ver() |
| 96 |
if terse: |
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platform = _platform(system,release,version) |
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else: |
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platform = _platform(system,release,version, |
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'on', |
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os_name,os_version,os_arch) |
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|
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elif system == 'MacOS': |
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# MacOS platforms |
| 105 |
if terse: |
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platform = _platform(system,release) |
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else: |
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platform = _platform(system,release,machine) |
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|
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else: |
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# Generic handler |
| 112 |
if terse: |
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platform = _platform(system,release) |
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else: |
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bits,linkage = architecture(sys.executable) |
| 116 |
platform = _platform(system,release,machine,processor,bits,linkage) |
| 117 |
|
| 118 |
_platform_cache[(aliased, terse)] = platform |
| 119 |
return platform |
| 120 |
|
| 121 |
|
| 122 |
Proof: run /usr/lib/python2.{4,5,6}/platform.py |
| 123 |
aliased and terse have no effect wrt output (kernel_version-with-libc_version) |
| 124 |
-- |
| 125 |
Andrey Vul |
| 126 |
|
| 127 |
A: Because it messes up the order in which people normally read text. |
| 128 |
Q: Why is top-posting such a bad thing? |
| 129 |
A: Top-posting. |
| 130 |
Q: What is the most annoying thing in e-mail? |
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