83 lines
3.6 KiB
Python
83 lines
3.6 KiB
Python
from typing import List
|
|
|
|
|
|
def get_spec(file_name: str) -> List[str]:
|
|
code_lines = []
|
|
pulling_from = None
|
|
current_name = None
|
|
# list of current type definition being parsed, or None otherwise
|
|
current_typedef = None
|
|
# list of (name, definition lines list) tuples.
|
|
type_defs = []
|
|
for linenum, line in enumerate(open(file_name).readlines()):
|
|
line = line.rstrip()
|
|
if pulling_from is None and len(line) > 0 and line[0] == '#' and line[-1] == '`':
|
|
current_name = line[line[:-1].rfind('`') + 1: -1]
|
|
if line[:9] == '```python':
|
|
assert pulling_from is None
|
|
pulling_from = linenum + 1
|
|
elif line[:3] == '```':
|
|
if pulling_from is None:
|
|
pulling_from = linenum
|
|
else:
|
|
pulling_from = None
|
|
if current_typedef is not None:
|
|
type_defs.append((current_name, current_typedef))
|
|
current_typedef = None
|
|
else:
|
|
if pulling_from is not None:
|
|
# Add some whitespace between functions
|
|
if line[:3] == 'def' or line[:5] == 'class':
|
|
code_lines.append('')
|
|
code_lines.append('')
|
|
# Check for SSZ type definitions
|
|
if len(line) > 18 and line[:6] == 'class ' and line[-12:] == '(Container):':
|
|
name = line[6:-12]
|
|
# Check consistency with markdown header
|
|
assert name == current_name
|
|
current_typedef = []
|
|
if current_typedef is not None:
|
|
current_typedef.append(line)
|
|
code_lines.append(line)
|
|
elif pulling_from is None and len(line) > 0 and line[0] == '|':
|
|
row = line[1:].split('|')
|
|
if len(row) >= 2:
|
|
for i in range(2):
|
|
row[i] = row[i].strip().strip('`')
|
|
if '`' in row[i]:
|
|
row[i] = row[i][:row[i].find('`')]
|
|
eligible = True
|
|
if row[0][0] not in 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_':
|
|
eligible = False
|
|
for c in row[0]:
|
|
if c not in 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_0123456789':
|
|
eligible = False
|
|
if eligible:
|
|
code_lines.append(row[0] + ' = ' + (row[1].replace('**TBD**', '0x1234567890123456789012345678901234567890')))
|
|
# Build type-def re-initialization
|
|
code_lines.append('\n')
|
|
code_lines.append('ssz_types = [\n')
|
|
for (ssz_type_name, _) in type_defs:
|
|
code_lines.append(f' {ssz_type_name},')
|
|
code_lines.append(']')
|
|
code_lines.append('\n')
|
|
code_lines.append('def init_SSZ_types():')
|
|
code_lines.append(' global_vars = globals()')
|
|
for ssz_type_name, ssz_type in type_defs:
|
|
code_lines.append('')
|
|
for type_line in ssz_type:
|
|
if len(type_line) > 0:
|
|
code_lines.append(' ' + type_line)
|
|
code_lines.append('')
|
|
for (ssz_type_name, _) in type_defs:
|
|
code_lines.append(f' global_vars["{ssz_type_name}"] = {ssz_type_name}')
|
|
code_lines.append(' global_vars["ssz_types"] = [')
|
|
for (ssz_type_name, _) in type_defs:
|
|
code_lines.append(f' "{ssz_type_name}",')
|
|
code_lines.append(' ]')
|
|
code_lines.append('\n')
|
|
code_lines.append('def get_ssz_type_by_name(name: str) -> Container:')
|
|
code_lines.append(' return globals()[name]')
|
|
code_lines.append('')
|
|
return code_lines
|