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pycodegen
pystencils
Merge requests
!59
Document backends.json
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Merged
Document backends.json
seitz/pystencils:documentation-for-json-backend
into
master
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Merged
Stephan Seitz
requested to merge
seitz/pystencils:documentation-for-json-backend
into
master
5 years ago
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master
version 1
68c4f9b7
5 years ago
master (base)
and
version 1
latest version
44da4538
1 commit,
5 years ago
version 1
68c4f9b7
1 commit,
5 years ago
1 file
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41
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pystencils/backends/json.py
+
25
−
41
Options
@@ -9,30 +9,22 @@
"""
import
json
from
pystencils.astnodes
import
NodeOrExpr
from
pystencils.backends.cbackend
import
CustomSympyPrinter
,
generate_c
try
:
import
toml
except
Exception
:
class
toml
:
def
dumps
(
self
,
*
args
):
raise
ImportError
(
'
toml not installed
'
)
def
dump
(
self
,
*
args
):
raise
ImportError
(
'
toml not installed
'
)
def
expr_to_dict
(
expr_or_node
:
NodeOrExpr
,
with_c_code
=
True
,
full_class_names
=
False
):
"""
Converts a SymPy expression to a serializable dict (mainly for debugging purposes
)
try
:
import
yaml
except
Exception
:
class
yaml
:
def
dumps
(
self
,
*
args
):
raise
ImportError
(
'
pyyaml not installed
'
)
The dict recursively contains all args of the expression as ``dict``s
def
dump
(
self
,
*
args
):
raise
ImportError
(
'
pyyaml not installed
'
)
See :func:`.write_json`
def
expr_to_dict
(
expr_or_node
,
with_c_code
=
True
,
full_class_names
=
False
):
Args:
expr_or_node (NodeOrExpr): a SymPy expression or a :class:`pystencils.astnodes.Node`
with_c_code (bool, optional): include C representation of the nodes
full_class_names (bool, optional): use full class names (type(object) instead of ``type(object).__name__``
"""
self
=
{
'
str
'
:
str
(
expr_or_node
)}
if
with_c_code
:
@@ -49,34 +41,26 @@ def expr_to_dict(expr_or_node, with_c_code=True, full_class_names=False):
return
self
def
print_json
(
expr_or_node
):
dict
=
expr_to_dict
(
expr_or_node
)
return
json
.
dumps
(
dict
,
indent
=
4
)
def
write_json
(
filename
,
expr_or_node
):
dict
=
expr_to_dict
(
expr_or_node
)
with
open
(
filename
,
'
w
'
)
as
f
:
json
.
dump
(
dict
,
f
,
indent
=
4
)
def
print_toml
(
expr_or_node
):
dict
=
expr_to_dict
(
expr_or_node
,
full_class_names
=
False
)
return
toml
.
dumps
(
dict
)
def
print_json
(
expr_or_node
:
NodeOrExpr
):
"""
Print debug JSON of an AST to string
Args:
expr_or_node (NodeOrExpr): a SymPy expression or a :class:`pystencils.astnodes.Node`
def
write_toml
(
filename
,
expr_or_node
):
Returns:
str: JSON representation of AST
"""
dict
=
expr_to_dict
(
expr_or_node
)
with
open
(
filename
,
'
w
'
)
as
f
:
toml
.
dump
(
dict
,
f
)
return
json
.
dumps
(
dict
,
indent
=
4
)
def
print_yaml
(
expr_or_node
):
dict
=
expr_to_dict
(
expr_or_node
,
full_class_names
=
False
)
return
yaml
.
dump
(
dict
)
def
write_json
(
filename
:
str
,
expr_or_node
:
NodeOrExpr
):
"""
Writes debug JSON represenation of AST to file
def
write_yaml
(
filename
,
expr_or_node
):
Args:
filename (str): Path for the file to write
expr_or_node (NodeOrExpr): a SymPy expression or a :class:`pystencils.astnodes.Node`
"""
dict
=
expr_to_dict
(
expr_or_node
)
with
open
(
filename
,
'
w
'
)
as
f
:
yaml
.
dump
(
dict
,
f
)
json
.
dump
(
dict
,
f
,
indent
=
4
)
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