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5bb94eca
Commit
5bb94eca
authored
Mar 26, 2014
by
Jonathan Jenkins
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command line options for substituting, for use in shell scripts
parent
f35597e8
Changes
1
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56 additions
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21 deletions
+56
-21
scripts/codes_configurator.py
scripts/codes_configurator.py
+56
-21
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scripts/codes_configurator.py
View file @
5bb94eca
...
...
@@ -15,7 +15,7 @@ def main():
# load the module
mod
=
import_from
(
args
.
substitute_py
)
# checks - make sure cfields is set and is the correct type
if
"cfields"
not
in
mod
.
__dict__
:
raise
TypeError
(
"Expected cfields to be defined in "
+
args
.
substitute_py
)
...
...
@@ -24,14 +24,32 @@ def main():
isinstance
(
mod
.
cfields
[
0
][
0
],
str
)
and
\
isinstance
(
mod
.
cfields
[
0
][
1
],
Sequence
)):
raise
TypeError
(
"cfields in incorrect format, see usage"
)
num_fields
=
len
(
mod
.
cfields
)
# get list of iterators, replacement input, and output labels
labels
=
[
k
[
0
]
for
k
in
mod
.
cfields
]
iterables
=
[
k
[
1
].
__iter__
()
for
k
in
mod
.
cfields
]
# use two dicts to maintain type information when printing (don't want
# quotes to appear in log file)
replace_map
=
{
k
[
0
]
:
None
for
k
in
mod
.
cfields
}
# process the command line token replacements, adding to labels
# and replace_map, but not to iterables
if
len
(
args
.
token_pairs
)
%
2
!=
0
:
raise
ValueError
(
"token pairs must come in twos"
)
elif
len
(
args
.
token_pairs
)
>
0
:
for
i
in
range
(
0
,
len
(
args
.
token_pairs
),
2
):
k
,
vstr
=
args
.
token_pairs
[
i
],
args
.
token_pairs
[
i
+
1
]
# try making v numeric - fall back to string
v
=
try_num
(
vstr
)
if
v
==
None
:
v
=
vstr
# add pair to replace map and labels (but not iterables!)
if
k
in
replace_map
:
raise
ValueError
(
"token "
+
k
+
" of token_pairs matches a token "
"given by the substitution py file"
)
else
:
replace_map
[
k
]
=
v
labels
.
append
(
k
)
# print the header to the log
if
args
.
log
!=
None
:
flog
=
open
(
args
.
log
,
"w"
)
...
...
@@ -43,9 +61,9 @@ def main():
flog
.
write
(
"
\
n
"
)
# generate initial configuration
for
i
,
k
in
enumerate
(
label
s
):
for
i
in
range
(
0
,
num_field
s
):
v
=
iterables
[
i
].
next
()
replace_map
[
k
]
=
v
replace_map
[
labels
[
i
]
]
=
v
# main loop
ct
=
0
...
...
@@ -59,27 +77,27 @@ def main():
# print the configuration to the log
flog
.
write
(
str
(
ct
))
for
i
,
k
in
enumerate
(
labels
)
:
if
isinstance
(
replace_map
[
k
],
str
):
flog
.
write
(
' "'
+
replace_map
[
k
]
+
'"'
)
for
l
in
labels
:
if
isinstance
(
replace_map
[
l
],
str
):
flog
.
write
(
' "'
+
replace_map
[
l
]
+
'"'
)
else
:
flog
.
write
(
" "
+
str
(
replace_map
[
k
]))
flog
.
write
(
" "
+
str
(
replace_map
[
l
]))
else
:
flog
.
write
(
'
\
n
'
)
# generate the next config
for
i
,
k
in
enumerate
(
label
s
):
for
i
in
range
(
0
,
num_field
s
):
try
:
# update current iterable and finish
v
=
iterables
[
i
].
next
()
replace_map
[
k
]
=
v
replace_map
[
labels
[
i
]
]
=
v
ct
+=
1
break
except
StopIteration
:
# reset the current iterable and set to first element
iterables
[
i
]
=
mod
.
cfields
[
i
][
1
].
__iter__
()
v
=
iterables
[
i
].
next
()
replace_map
[
k
]
=
v
replace_map
[
labels
[
i
]
]
=
v
else
:
# last iterable has finished, have generated full set
break
...
...
@@ -118,19 +136,36 @@ def replace_many(st, kv_pairs):
return
pat
.
sub
(
lambda
match
:
rep_dict
[
match
.
group
(
0
)],
st
)
def
parse_args
():
parser
=
argparse
.
ArgumentParser
()
parser
.
add_argument
(
"template"
,
\
parser
=
argparse
.
ArgumentParser
(
\
description
=
"generate set of configuration files based on template "
"file and replacement tokens"
)
parser
.
add_argument
(
"template"
,
help
=
"template file with replace tokens"
)
parser
.
add_argument
(
"substitute_py"
,
\
help
=
'python file defining "cfields" variable consisting of'
\
' elements of the form ( replacement_token, [replacements...])'
)
parser
.
add_argument
(
"-l"
,
"--log"
,
\
help
=
"log file to write parameterizations to"
)
parser
.
add_argument
(
"-o"
,
"--output_prefix"
,
\
parser
.
add_argument
(
"substitute_py"
,
help
=
'python file defining "cfields" variable consisting of '
'elements of the form '
'( replacement_token, [replacements...])'
)
parser
.
add_argument
(
"token_pairs"
,
nargs
=
'*'
,
help
=
"a list of whitespace-separated token, replace pairs for "
"command-line-driven replacement (useful in shell scripts "
"for generating sets of configuration files with a distinct "
"parameter or for special casing fields)"
)
parser
.
add_argument
(
"-l"
,
"--log"
,
help
=
"log file to write parameterizations to"
)
parser
.
add_argument
(
"-o"
,
"--output_prefix"
,
help
=
"prefix to output generated configuration files to "
"(default: the configuration index appended to the template name)"
)
return
parser
.
parse_args
()
def
try_num
(
s
):
try
:
return
int
(
s
)
except
ValueError
:
try
:
return
float
(
s
)
except
ValueError
:
return
None
if
__name__
==
"__main__"
:
main
()
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