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allow to read stdin from different handle than sys.stdin in emulator 

Signed-off-by: Nico Schottelius <nico@brief.schottelius.org>
This commit is contained in:
Nico Schottelius 2012-11-07 09:58:47 +01:00
parent e785092935
commit 7b51e22922
1 changed files with 4 additions and 3 deletions
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7
cdist/emulator.py
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@ -29,8 +29,9 @@ import cdist
from cdist import core from cdist import core
class Emulator(object): class Emulator(object):
def __init__(self, argv): def __init__(self, argv, stdin=sys.stdin):
self.argv = argv self.argv = argv
self.stdin = stdin
self.object_id = False self.object_id = False
self.global_path = os.environ['__global'] self.global_path = os.environ['__global']
@ -148,13 +149,13 @@ class Emulator(object):
chunk_size = 8192 chunk_size = 8192
def _read_stdin(self): def _read_stdin(self):
return sys.stdin.buffer.read(self.chunk_size) return self.stdin.buffer.read(self.chunk_size)
def save_stdin(self): def save_stdin(self):
"""If something is written to stdin, save it in the object as """If something is written to stdin, save it in the object as
$__object/stdin so it can be accessed in manifest and gencode-* $__object/stdin so it can be accessed in manifest and gencode-*
scripts. scripts.
""" """
if not sys.stdin.isatty(): if not self.stdin.isatty():
try: try:
# go directly to file instead of using CdistObject's api # go directly to file instead of using CdistObject's api
# as that does not support streaming # as that does not support streaming