spaCy/website/create_code_samples

70 lines
2.0 KiB
Python
Executable File

#!/usr/bin/env python
import sys
import re
import os
import ast
# cgi.escape is deprecated since py32
try:
from html import escape
except ImportError:
from cgi import escape
src_dirname = sys.argv[1]
dst_dirname = sys.argv[2]
prefix = "test_"
for filename in os.listdir(src_dirname):
match = re.match(re.escape(prefix) + r"(.+)\.py", filename)
if not match:
continue
name = match.group(1)
source = open(os.path.join(src_dirname, filename)).readlines()
tree = ast.parse("".join(source))
for item in tree.body:
if isinstance(item, ast.FunctionDef) and item.name.startswith(prefix):
# only ast.expr and ast.stmt have line numbers, see:
# https://docs.python.org/2/library/ast.html#ast.AST.lineno
line_numbers = []
def fill_line_numbers(node):
for child in ast.iter_child_nodes(node):
if ((isinstance(child, ast.expr) or
isinstance(child, ast.stmt)) and
child.lineno > item.lineno):
line_numbers.append(child.lineno)
fill_line_numbers(child)
fill_line_numbers(item)
body = source[min(line_numbers)-1:max(line_numbers)]
# make sure we are inside an indented function body
assert all([re.match(r"\s", l[0]) for l in body])
offset = 0
for line in body:
match = re.search(r"[^\s]", line)
if match:
offset = match.start(0)
break
# remove indentation
assert offset > 0
for i in range(len(body)):
body[i] = body[i][offset:] if len(body[i]) > offset else "\n"
# make sure empty lines contain a newline
assert all([l[-1] == "\n" for l in body])
code_filename = "%s.%s" % (name, item.name[len(prefix):])
with open(os.path.join(dst_dirname, code_filename), "w") as f:
f.write(escape("".join(body)))