##// END OF EJS Templates
IPython/utils/_process_emscripten.py: New
Hood Chatham -
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@@ -0,0 +1,12 b''
1 def system(cmd):
2 raise OSError("Not available")
3
4 def getoutput(cmd):
5 raise OSError("Not available")
6
7 def check_pid(cmd):
8 raise OSError("Not available")
9
10 def arg_split(s, posix=False, strict=True):
11 """This one could be made to work but it's not clear if it would be useful..."""
12 raise OSError("Not available")
@@ -1,69 +1,71 b''
1 # encoding: utf-8
1 # encoding: utf-8
2 """
2 """
3 Utilities for working with external processes.
3 Utilities for working with external processes.
4 """
4 """
5
5
6 # Copyright (c) IPython Development Team.
6 # Copyright (c) IPython Development Team.
7 # Distributed under the terms of the Modified BSD License.
7 # Distributed under the terms of the Modified BSD License.
8
8
9
9
10 import os
10 import os
11 import shutil
11 import shutil
12 import sys
12 import sys
13
13
14 if sys.platform == 'win32':
14 if sys.platform == 'win32':
15 from ._process_win32 import system, getoutput, arg_split, check_pid
15 from ._process_win32 import system, getoutput, arg_split, check_pid
16 elif sys.platform == 'cli':
16 elif sys.platform == 'cli':
17 from ._process_cli import system, getoutput, arg_split, check_pid
17 from ._process_cli import system, getoutput, arg_split, check_pid
18 elif sys.platform == "emscripten":
19 from ._process_emscripten import system, getoutput, arg_split, check_pid
18 else:
20 else:
19 from ._process_posix import system, getoutput, arg_split, check_pid
21 from ._process_posix import system, getoutput, arg_split, check_pid
20
22
21 from ._process_common import getoutputerror, get_output_error_code, process_handler
23 from ._process_common import getoutputerror, get_output_error_code, process_handler
22
24
23
25
24 class FindCmdError(Exception):
26 class FindCmdError(Exception):
25 pass
27 pass
26
28
27
29
28 def find_cmd(cmd):
30 def find_cmd(cmd):
29 """Find absolute path to executable cmd in a cross platform manner.
31 """Find absolute path to executable cmd in a cross platform manner.
30
32
31 This function tries to determine the full path to a command line program
33 This function tries to determine the full path to a command line program
32 using `which` on Unix/Linux/OS X and `win32api` on Windows. Most of the
34 using `which` on Unix/Linux/OS X and `win32api` on Windows. Most of the
33 time it will use the version that is first on the users `PATH`.
35 time it will use the version that is first on the users `PATH`.
34
36
35 Warning, don't use this to find IPython command line programs as there
37 Warning, don't use this to find IPython command line programs as there
36 is a risk you will find the wrong one. Instead find those using the
38 is a risk you will find the wrong one. Instead find those using the
37 following code and looking for the application itself::
39 following code and looking for the application itself::
38
40
39 import sys
41 import sys
40 argv = [sys.executable, '-m', 'IPython']
42 argv = [sys.executable, '-m', 'IPython']
41
43
42 Parameters
44 Parameters
43 ----------
45 ----------
44 cmd : str
46 cmd : str
45 The command line program to look for.
47 The command line program to look for.
46 """
48 """
47 path = shutil.which(cmd)
49 path = shutil.which(cmd)
48 if path is None:
50 if path is None:
49 raise FindCmdError('command could not be found: %s' % cmd)
51 raise FindCmdError('command could not be found: %s' % cmd)
50 return path
52 return path
51
53
52
54
53 def abbrev_cwd():
55 def abbrev_cwd():
54 """ Return abbreviated version of cwd, e.g. d:mydir """
56 """ Return abbreviated version of cwd, e.g. d:mydir """
55 cwd = os.getcwd().replace('\\','/')
57 cwd = os.getcwd().replace('\\','/')
56 drivepart = ''
58 drivepart = ''
57 tail = cwd
59 tail = cwd
58 if sys.platform == 'win32':
60 if sys.platform == 'win32':
59 if len(cwd) < 4:
61 if len(cwd) < 4:
60 return cwd
62 return cwd
61 drivepart,tail = os.path.splitdrive(cwd)
63 drivepart,tail = os.path.splitdrive(cwd)
62
64
63
65
64 parts = tail.split('/')
66 parts = tail.split('/')
65 if len(parts) > 2:
67 if len(parts) > 2:
66 tail = '/'.join(parts[-2:])
68 tail = '/'.join(parts[-2:])
67
69
68 return (drivepart + (
70 return (drivepart + (
69 cwd == '/' and '/' or tail))
71 cwd == '/' and '/' or tail))
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