import datetime import glob import itertools import os import pytz from typing import Callable, Dict, List, Iterable, Union, cast from .metadata import MetaTree from .processchain import ProcessorChains def file_list(root: str, listcache: Dict) -> Callable: def get_file_list(path_glob: str, *, sort_order: str = "ctime", reverse: bool = False, limit: int = 0) -> Iterable: stattable = cast(List, []) if path_glob in listcache: stattable = listcache[path_glob] else: for fil in glob.glob(os.path.join(root, path_glob)): if os.path.isdir(fil): continue if fil.endswith(".meta") or fil.endswith("~"): continue st = os.stat(fil) stattable.append( { "file_path": os.path.relpath(fil, root), "file_name": os.path.split(fil)[-1], "mtime": st.st_mtime, "ctime": st.st_ctime, "size": st.st_size, "ext": os.path.splitext(fil)[1], } ) listcache[path_glob] = stattable ret = sorted(stattable, key=lambda x: x[sort_order], reverse=reverse) if limit > 0: return itertools.islice(ret, limit) return ret return get_file_list def file_name(root: str, metatree: MetaTree, processor_chains: ProcessorChains, namecache: Dict) -> Callable: def get_file_name(file_name: str) -> Dict: if file_name in namecache: return namecache[file_name] metadata = metatree.get_metadata(file_name) chain = processor_chains.get_chain_for_filename(os.path.join(root, file_name), ctx=metadata) namecache[file_name] = chain.output_filename return namecache[file_name] return get_file_name def file_raw(root: str, contcache: Dict) -> Callable: def get_raw(file_name: str) -> str: if file_name in contcache: return contcache[file_name] with open(os.path.join(root, file_name), 'r', encoding="utf-8") as f: return f.read() return get_raw def file_content(root: str, metatree: MetaTree, processor_chains: ProcessorChains, contcache: Dict) -> Callable: def get_file_content(file_name: str) -> Iterable: if file_name in contcache: return contcache[file_name] metadata = metatree.get_metadata(file_name) chain = processor_chains.get_chain_for_filename(os.path.join(root, file_name), ctx=metadata) contcache[file_name] = chain.output return unicode(chain.output) return get_file_content def file_metadata(metatree: MetaTree) -> Callable: def get_file_metadata(file_name: str) -> Dict: return metatree.get_metadata(file_name) return get_file_metadata def time_iso8601(timezone: str) -> Callable: tz = pytz.timezone(timezone) def get_time_iso8601(time_t: Union[int, float]) -> str: return datetime.datetime.fromtimestamp(time_t, tz).isoformat("T") return get_time_iso8601 def date_iso8601(timezone: str) -> Callable: tz = pytz.timezone(timezone) def get_date_iso8601(time_t: Union[int, float]) -> str: return datetime.datetime.fromtimestamp(time_t, tz).strftime('%Y-%m-%d') return get_date_iso8601