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import concurrent.futures as fut
import pathlib
import ftfy
import orjson
import re
import psutil
from bs4 import BeautifulSoup, Comment
import markdownify
from text_toolkit import normalize_puncts, clean_newlines, merge_consecutive_lines
class md_nolinks(markdownify.MarkdownConverter):
def convert_a(self, _, text, __):
_, _, text = markdownify.chomp(text)
if not text:
return ""
return text
def convert_img(self, el, text, convert_as_inline):
return ""
md = md_nolinks()
def blackbox(soup: pathlib.Path, filename: pathlib.Path):
p = psutil.Process()
p.cpu_affinity([i for i in range(0, 64)])
path = pathlib.Path(soup)
data_bytes = path.read_bytes()
try:
utf8 = data_bytes.decode("utf-8")
utf8, explain = ftfy.fix_and_explain(utf8)
except UnicodeDecodeError:
# print("Attempt Black magic...")
magic_data, magic_explain = ftfy.guess_bytes(data_bytes)
# print(magic_explain)
utf8, explain = ftfy.fix_and_explain(magic_data)
# Skip
soup = BeautifulSoup(utf8, "lxml")
pre = soup.find("pre")
[i.decompose() for i in soup.find_all("span", attrs={"class": "pagenum"})]
[i.extract() for i in soup.findAll(text=lambda text: isinstance(text, Comment))]
composed_content = []
if pre:
# Gutenberg pre html block
txt: str = pre.get_text()
# rgx = re.compile(r"\*\*+START\*\*\*+([\S\s]+)\*END\*")
if "gutenberg e" in txt.lower():
if not pre.parent:
raise Exception
has_pre = False
for child in pre.next_siblings:
if isinstance(child, str):
composed_content.append(child.lstrip())
if child.name == "pre":
# print(child)
has_pre = True
break
if child.name == "table":
continue
if child.name is None:
continue
child_filt = child.get_text().lower()
if (
child.name in ["div", "p"]
and "transcriber" in child_filt
and "note" in child_filt
):
continue
if "pagenum" in child.get("class", ""):
continue
composed_content.append(child)
else:
# For HR rules.
look_ahead = 5
sibs = []
rule = None
for sibling in pre.next_siblings:
if look_ahead > 0:
if sibling.name == "hr":
rule = sibling
break
else:
sibs.append(sibling)
if not rule:
raise Exception
else:
pass
for t_block in rule.next_siblings:
if isinstance(t_block, str):
composed_content.append(t_block.lstrip(" "))
continue
if not t_block.get_text().strip():
continue
if t_block.name == "hr" and "full" in t_block.get("class", ""):
break
gt = t_block.get_text().lower()
if t_block.name == "pre" and "gutenberg" in gt:
break
elif t_block.name == "p" and "end of" in gt and "gutenberg" in gt:
break
else:
composed_content.append(t_block)
else:
print("no pre", filename)
# We have to iter the book page it like some sort of caveman...
body = soup.find("body")
if not body:
raise Exception("Invisible man?")
# ???
pre_ctx = []
ctx = []
post_ctx = []
mode = 0
for children in body:
if isinstance(children, str):
continue
if isinstance(children, type(None)):
continue
gt = children.get_text()
if children.name == "table":
children.decompose()
if (
(children.name == "div" or children.name == "p")
and "start of" in gt.lower()
and "gutenberg" in gt.lower()
):
mode = 0.5
pre_ctx.append(children)
if (
(children.name == "div" or children.name == "p")
and "end of" in gt.lower()
and "gutenberg" in gt.lower()
and mode == 1
):
mode = 2
post_ctx.append(children)
if mode == 0:
pre_ctx.append(children)
elif mode == 0.5:
mode = 1
pre_ctx.append(children)
elif mode == 1:
ctx.append(children)
elif mode == 2:
post_ctx.append(children)
z_ctx = []
for pp in ctx:
if pp.name is None:
continue
z_ctx.append(pp)
composed_content = z_ctx
pure = []
for content in composed_content:
if isinstance(content, str):
pure.append(content)
continue
if not content.name:
continue
if "toc" in content.get("class", "") and content.name in ["ul", "ol"]:
continue
pure.append(content)
pp = normalize_puncts(
"\n".join(
[
md.convert_soup(soup_content)
if not isinstance(soup_content, str)
else soup_content
for soup_content in pure
]
)
)
pp = clean_newlines(pp)
pp = merge_consecutive_lines(pp)
pp = clean_newlines(pp)
pathlib.Path(filename).write_text(pp, encoding="utf-8")
return pp
pathlib.Path("gutenberg_processed").mkdir(exist_ok=True)
if __name__ == "__main__":
with fut.ProcessPoolExecutor(max_workers=64) as pool:
futures = []
for gutenbook in orjson.loads(pathlib.Path("final.json").read_bytes()):
path, f_type = gutenbook
if f_type == "html":
# print("processing", path)
path = pathlib.Path(path)
list_html = list(path.glob("*.htm"))
if len(list_html) > 1:
print(list_html)
list_html = list_html[0]
futures.append(
pool.submit(
blackbox,
list_html,
str(
pathlib.Path("gutenberg_processed")
/ list_html.with_suffix(".txt").name
),
)
)
print("Waiting for the future to arrive...")
fut.wait(futures)
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