#!/usr/bin/env python3 """\ Usages: epy read last epub epy EPUBFILE read EPUBFILE epy STRINGS read matched STRINGS from history epy NUMBER read file from history with associated NUMBER Options: -r print reading history -d dump epub -l save state locally -h, --help print short, long help Key Binding: Help : ? Quit : q Scroll down : DOWN j Scroll up : UP k Page down : PGDN RIGHT SPC Page up : PGUP LEFT Next chapter : n Prev chapter : p Beginning of ch : HOME g End of ch : END G Open image : o Search : / Next Occurence : n Prev Occurence : N Toggle width : = Set width : [count]= Shrink : - Enlarge : + ToC : TAB t Metadata : m Toggle Progress : s Switch colorsch : [default=0, dark=1, light=2]c """ __version__ = "2019.10.23" __license__ = "MIT" __author__ = "Benawi Adha" __url__ = "https://github.com/wustho/epy" import curses import zipfile import sys import re import os import textwrap import json import tempfile import shutil import xml.etree.ElementTree as ET from urllib.parse import unquote from html import unescape from subprocess import run from html.parser import HTMLParser from difflib import SequenceMatcher as SM # key bindings SCROLL_DOWN = {curses.KEY_DOWN, ord("j")} SCROLL_UP = {curses.KEY_UP, ord("k")} PAGE_DOWN = {curses.KEY_NPAGE, ord("l"), ord(" "), curses.KEY_RIGHT} PAGE_UP = {curses.KEY_PPAGE, ord("h"), curses.KEY_LEFT} CH_NEXT = {ord("n")} CH_PREV = {ord("p")} CH_HOME = {curses.KEY_HOME, ord("g")} CH_END = {curses.KEY_END, ord("G")} SHRINK = ord("-") WIDEN = ord("+") WIDTH = ord("=") META = ord("m") TOC = {9, ord("\t"), ord("t")} FOLLOW = {10} LOCALSAVING = {ord("`")} QUIT = {ord("q"), 3, 27, 304} HELP = {ord("?")} COLORSWITCH = ord("c") # colorscheme # DARK/LIGHT = (fg, bg) # -1 is default terminal fg/bg DARK = (252, 235) LIGHT = (238, 253) # some global envs, better leave these alone STATEFILE = "" STATE = { "LastRead": None, "States": {} } COLORSUPPORT = False LINEPRSRV = 0 # 2 SEARCHPATTERN = None VWR = None PERCENTAGE = [] SHOWPROGRESS = True class Epub: NS = { "DAISY": "http://www.daisy.org/z3986/2005/ncx/", "OPF": "http://www.idpf.org/2007/opf", "CONT": "urn:oasis:names:tc:opendocument:xmlns:container", "XHTML": "http://www.w3.org/1999/xhtml", "EPUB": "http://www.idpf.org/2007/ops" } def __init__(self, fileepub): self.path = os.path.abspath(fileepub) self.file = zipfile.ZipFile(fileepub, "r") cont = ET.parse(self.file.open("META-INF/container.xml")) self.rootfile = cont.find( "CONT:rootfiles/CONT:rootfile", self.NS ).attrib["full-path"] self.rootdir = os.path.dirname(self.rootfile)\ + "/" if os.path.dirname(self.rootfile) != "" else "" cont = ET.parse(self.file.open(self.rootfile)) # EPUB3 self.version = cont.getroot().get("version") if self.version == "2.0": # "OPF:manifest/*[@id='ncx']" self.toc = self.rootdir\ + cont.find( "OPF:manifest/*[@media-type='application/x-dtbncx+xml']", self.NS ).get("href") elif self.version == "3.0": self.toc = self.rootdir\ + cont.find( "OPF:manifest/*[@properties='nav']", self.NS ).get("href") self.contents = [] self.toc_entries = [[], [], []] def get_meta(self): meta = [] # why self.file.read(self.rootfile) problematic cont = ET.fromstring(self.file.open(self.rootfile).read()) for i in cont.findall("OPF:metadata/*", self.NS): if i.text is not None: meta.append([re.sub("{.*?}", "", i.tag), i.text]) return meta def initialize(self): cont = ET.parse(self.file.open(self.rootfile)).getroot() manifest = [] for i in cont.findall("OPF:manifest/*", self.NS): # EPUB3 # if i.get("id") != "ncx" and i.get("properties") != "nav": if i.get("media-type") != "application/x-dtbncx+xml"\ and i.get("properties") != "nav": manifest.append([ i.get("id"), i.get("href") ]) spine, contents = [], [] for i in cont.findall("OPF:spine/*", self.NS): spine.append(i.get("idref")) for i in spine: for j in manifest: if i == j[0]: self.contents.append(self.rootdir+unquote(j[1])) contents.append(unquote(j[1])) manifest.remove(j) # TODO: test is break necessary break toc = ET.parse(self.file.open(self.toc)).getroot() # EPUB3 if self.version == "2.0": navPoints = toc.findall("DAISY:navMap//DAISY:navPoint", self.NS) elif self.version == "3.0": navPoints = toc.findall( "XHTML:body//XHTML:nav[@EPUB:type='toc']//XHTML:a", self.NS ) for i in navPoints: if self.version == "2.0": src = i.find("DAISY:content", self.NS).get("src") name = i.find("DAISY:navLabel/DAISY:text", self.NS).text elif self.version == "3.0": src = i.get("href") name = "".join(list(i.itertext())) src = src.split("#") idx = contents.index(unquote(src[0])) self.toc_entries[0].append(name) self.toc_entries[1].append(idx) if len(src) == 2: self.toc_entries[2].append(src[1]) elif len(src) == 1: self.toc_entries[2].append("") class HTMLtoLines(HTMLParser): para = {"p", "div"} inde = {"q", "dt", "dd", "blockquote", "pre"} bull = {"li"} hide = {"script", "style", "head"} # hide = {"script", "style", "head", ", "sub} def __init__(self, sects={""}): HTMLParser.__init__(self) self.text = [""] self.imgs = [] self.ishead = False self.isinde = False self.isbull = False self.ishidden = False self.idhead = set() self.idinde = set() self.idbull = set() self.sects = sects def handle_starttag(self, tag, attrs): if re.match("h[1-6]", tag) is not None: self.ishead = True elif tag in self.inde: self.isinde = True elif tag in self.bull: self.isbull = True elif tag in self.hide: self.ishidden = True elif tag == "sup": self.text[-1] += "^{" elif tag == "sub": self.text[-1] += "_{" elif tag == "image": for i in attrs: if i[0] == "xlink:href": self.text.append("[IMG:{}]".format(len(self.imgs))) self.imgs.append(unquote(i[1])) if self.sects != {""}: for i in attrs: if i[1] in self.sects: self.text[-1] += " (#" + i[1] + ") " def handle_startendtag(self, tag, attrs): if tag == "br": self.text += [""] elif tag in {"img", "image"}: for i in attrs: if (tag == "img" and i[0] == "src")\ or (tag == "image" and i[0] == "xlink:href"): self.text.append("[IMG:{}]".format(len(self.imgs))) self.imgs.append(unquote(i[1])) self.text.append("") def handle_endtag(self, tag): if re.match("h[1-6]", tag) is not None: self.text.append("") self.text.append("") self.ishead = False elif tag in self.para: self.text.append("") elif tag in self.hide: self.ishidden = False elif tag in self.inde: if self.text[-1] != "": self.text.append("") self.isinde = False elif tag in self.bull: if self.text[-1] != "": self.text.append("") self.isbull = False elif tag in {"sub", "sup"}: self.text[-1] += "}" elif tag == "image": self.text.append("") def handle_data(self, raw): if raw and not self.ishidden: if self.text[-1] == "": tmp = raw.lstrip() else: tmp = raw line = unescape(re.sub(r"\s+", " ", tmp)) self.text[-1] += line if self.ishead: self.idhead.add(len(self.text)-1) elif self.isbull: self.idbull.add(len(self.text)-1) elif self.isinde: self.idinde.add(len(self.text)-1) def get_lines(self, width=0): text, sect = [], {} if width == 0: return self.text for n, i in enumerate(self.text): findsect = re.search(r"(?<= \(#).*?(?=\) )", i) if findsect is not None and findsect.group() in self.sects: i = i.replace(" (#" + findsect.group() + ") ", "") sect[findsect.group()] = len(text) if n in self.idhead: text += [i.rjust(width//2 + len(i)//2)] + [""] elif n in self.idinde: text += [ " "+j for j in textwrap.wrap(i, width - 3) ] + [""] elif n in self.idbull: tmp = textwrap.wrap(i, width - 3) text += [ " - "+j if j == tmp[0] else " "+j for j in tmp ] + [""] else: text += textwrap.wrap(i, width) + [""] return text, self.imgs, sect def loadstate(): global STATE, STATEFILE if os.getenv("HOME") is not None: STATEFILE = os.path.join(os.getenv("HOME"), ".epy") if os.path.isdir(os.path.join(os.getenv("HOME"), ".config")): configdir = os.path.join(os.getenv("HOME"), ".config", "epy") os.makedirs(configdir, exist_ok=True) if os.path.isfile(STATEFILE): if os.path.isfile(os.path.join(configdir, "config")): os.remove(os.path.join(configdir, "config")) shutil.move(STATEFILE, os.path.join(configdir, "config")) STATEFILE = os.path.join(configdir, "config") elif os.getenv("USERPROFILE") is not None: STATEFILE = os.path.join(os.getenv("USERPROFILE"), ".epy") else: STATEFILE = os.devnull if os.path.exists(STATEFILE): with open(STATEFILE, "r") as f: STATE = json.load(f) def savestate(file, index, width, pos, pctg): STATE["LastRead"] = file STATE["States"][file]["index"] = index STATE["States"][file]["width"] = width STATE["States"][file]["pos"] = pos STATE["States"][file]["pctg"] = pctg with open(STATEFILE, "w") as f: json.dump(STATE, f, indent=4) def pgup(pos, winhi, preservedline=0, c=1): if pos >= (winhi - preservedline) * c: return pos - (winhi + preservedline) * c else: return 0 def pgdn(pos, tot, winhi, preservedline=0, c=1): if pos + (winhi * c) <= tot - winhi: return pos + (winhi * c) else: pos = tot - winhi if pos < 0: return 0 return pos def pgend(tot, winhi): if tot - winhi >= 0: return tot - winhi else: return 0 def toc(stdscr, src, index, width): rows, cols = stdscr.getmaxyx() hi, wi = rows - 4, cols - 4 Y, X = 2, 2 toc = curses.newwin(hi, wi, Y, X) if COLORSUPPORT: toc.bkgd(stdscr.getbkgd()) toc.box() toc.keypad(True) toc.addstr(1, 2, "Table of Contents") toc.addstr(2, 2, "-----------------") key_toc = 0 totlines = len(src) toc.refresh() pad = curses.newpad(totlines, wi - 2) if COLORSUPPORT: pad.bkgd(stdscr.getbkgd()) pad.keypad(True) padhi = rows - 5 - Y - 4 + 1 y = 0 if index in range(padhi//2, totlines - padhi//2): y = index - padhi//2 + 1 span = [] for n, i in enumerate(src): # strs = " " + str(n+1).rjust(d) + " " + i[0] strs = " " + i strs = strs[0:wi-3] pad.addstr(n, 0, strs) span.append(len(strs)) countstring = "" while key_toc not in TOC and key_toc not in QUIT: if countstring == "": count = 1 else: count = int(countstring) if key_toc in range(48, 58): # i.e., k is a numeral countstring = countstring + chr(key_toc) else: if key_toc in SCROLL_UP or key_toc in PAGE_UP: index -= count if index < 0: index = 0 elif key_toc in SCROLL_DOWN or key_toc in PAGE_DOWN: index += count if index + 1 >= totlines: index = totlines - 1 elif key_toc in FOLLOW: return index # elif key_toc in PAGE_UP: # index -= 3 # if index < 0: # index = 0 # elif key_toc in PAGE_DOWN: # index += 3 # if index >= totlines: # index = totlines - 1 elif key_toc in CH_HOME: index = 0 elif key_toc in CH_END: index = totlines - 1 elif key_toc in {curses.KEY_RESIZE, META}|HELP: return key_toc countstring = "" while index not in range(y, y+padhi): if index < y: y -= 1 else: y += 1 for n in range(totlines): att = curses.A_REVERSE if index == n else curses.A_NORMAL pre = ">>" if index == n else " " pad.addstr(n, 0, pre) pad.chgat(n, 0, span[n], pad.getbkgd() | att) pad.refresh(y, 0, Y+4, X+4, rows - 5, cols - 6) key_toc = toc.getch() toc.clear() toc.refresh() return def meta(stdscr, ebook): rows, cols = stdscr.getmaxyx() hi, wi = rows - 4, cols - 4 Y, X = 2, 2 meta = curses.newwin(hi, wi, Y, X) if COLORSUPPORT: meta.bkgd(stdscr.getbkgd()) meta.box() meta.keypad(True) meta.addstr(1, 2, "Metadata") meta.addstr(2, 2, "--------") key_meta = 0 mdata = [] for i in ebook.get_meta(): data = re.sub("<[^>]*>", "", i[1]) data = re.sub("\t", "", data) mdata += textwrap.wrap(i[0].upper() + ": " + data, wi - 6) src_lines = mdata totlines = len(src_lines) pad = curses.newpad(totlines, wi - 2) if COLORSUPPORT: pad.bkgd(stdscr.getbkgd()) pad.keypad(True) for n, i in enumerate(src_lines): pad.addstr(n, 0, i) y = 0 meta.refresh() pad.refresh(y, 0, Y+4, X+4, rows - 5, cols - 6) padhi = rows - 5 - Y - 4 + 1 while key_meta != META and key_meta not in QUIT: if key_meta in SCROLL_UP and y > 0: y -= 1 elif key_meta in SCROLL_DOWN and y < totlines - hi + 6: y += 1 elif key_meta in PAGE_UP: y = pgup(y, padhi) elif key_meta in PAGE_DOWN: y = pgdn(y, totlines, padhi) elif key_meta in CH_HOME: y = 0 elif key_meta in CH_END: y = pgend(totlines, padhi) elif key_meta in {curses.KEY_RESIZE}|HELP|TOC: return key_meta pad.refresh(y, 0, 6, 5, rows - 5, cols - 5) key_meta = meta.getch() meta.clear() meta.refresh() return def help(stdscr): rows, cols = stdscr.getmaxyx() hi, wi = rows - 4, cols - 4 Y, X = 2, 2 help = curses.newwin(hi, wi, Y, X) if COLORSUPPORT: help.bkgd(stdscr.getbkgd()) help.box() help.keypad(True) help.addstr(1, 2, "Help") help.addstr(2, 2, "----") key_help = 0 src = re.search("Key Bind(\n|.)*", __doc__).group() src_lines = src.splitlines() totlines = len(src_lines) pad = curses.newpad(totlines, wi - 2) if COLORSUPPORT: pad.bkgd(stdscr.getbkgd()) pad.keypad(True) for n, i in enumerate(src_lines): pad.addstr(n, 0, i) y = 0 help.refresh() pad.refresh(y, 0, Y+4, X+4, rows - 5, cols - 6) padhi = rows - 5 - Y - 4 + 1 while key_help not in HELP and key_help not in QUIT: if key_help in SCROLL_UP and y > 0: y -= 1 elif key_help in SCROLL_DOWN and y < totlines - hi + 6: y += 1 elif key_help in PAGE_UP: y = pgup(y, padhi) elif key_help in PAGE_DOWN: y = pgdn(y, totlines, padhi) elif key_help in CH_HOME: y = 0 elif key_help in CH_END: y = pgend(totlines, padhi) elif key_help in {curses.KEY_RESIZE, META}|TOC: return key_help pad.refresh(y, 0, 6, 5, rows - 5, cols - 5) key_help = help.getch() help.clear() help.refresh() return def dots_path(curr, tofi): candir = curr.split("/") tofi = tofi.split("/") alld = tofi.count("..") t = len(candir) candir = candir[0:t-alld-1] try: while True: tofi.remove("..") except ValueError: pass return "/".join(candir+tofi) def find_media_viewer(): global VWR VWR_LIST = [ "feh", "gio", "gnome-open", "gvfs-open", "xdg-open", "kde-open", "firefox" ] if sys.platform == "win32": VWR = "start" elif sys.platform == "darwin": VWR = "open" else: for i in VWR_LIST: if shutil.which(i) is not None: VWR = i if VWR == "gio": VWR += " open" break def open_media(scr, epub, src): sfx = os.path.splitext(src)[1] fd, path = tempfile.mkstemp(suffix=sfx) try: with os.fdopen(fd, "wb") as tmp: tmp.write(epub.file.read(src)) run(VWR + " " + path, shell=True) k = scr.getch() finally: os.remove(path) return k def searching(stdscr, pad, src, width, y, ch, tot): global SEARCHPATTERN rows, cols = stdscr.getmaxyx() x = (cols - width) // 2 if SEARCHPATTERN is None: stat = curses.newwin(1, cols, rows-1, 0) if COLORSUPPORT: stat.bkgd(stdscr.getbkgd()) stat.keypad(True) curses.echo(1) curses.curs_set(1) SEARCHPATTERN = "" stat.addstr(0, 0, " Regex:", curses.A_REVERSE) stat.addstr(0, 7, SEARCHPATTERN) stat.refresh() while True: ipt = stat.getch() if ipt == 27: stat.clear() stat.refresh() curses.echo(0) curses.curs_set(0) SEARCHPATTERN = None return y elif ipt == 10: SEARCHPATTERN = "/"+SEARCHPATTERN stat.clear() stat.refresh() curses.echo(0) curses.curs_set(0) break # TODO: why different behaviour unix dos or win lin elif ipt in {8, curses.KEY_BACKSPACE}: SEARCHPATTERN = SEARCHPATTERN[:-1] elif ipt == curses.KEY_RESIZE: stat.clear() stat.refresh() curses.echo(0) curses.curs_set(0) SEARCHPATTERN = None return curses.KEY_RESIZE else: SEARCHPATTERN += chr(ipt) stat.clear() stat.addstr(0, 0, " Regex:", curses.A_REVERSE) stat.addstr(0, 7, SEARCHPATTERN) stat.refresh() if SEARCHPATTERN in {"?", "/"}: SEARCHPATTERN = None return y found = [] pattern = re.compile(SEARCHPATTERN[1:], re.IGNORECASE) for n, i in enumerate(src): for j in pattern.finditer(i): found.append([n, j.span()[0], j.span()[1] - j.span()[0]]) if found == []: if SEARCHPATTERN[0] == "/" and ch + 1 < tot: return 1 elif SEARCHPATTERN[0] == "?" and ch > 0: return -1 else: s = 0 while True: if s in QUIT: SEARCHPATTERN = None stdscr.clear() stdscr.refresh() return y elif s == ord("n") and ch == 0: SEARCHPATTERN = "/"+SEARCHPATTERN[1:] return 1 elif s == ord("N") and ch + 1 == tot: SEARCHPATTERN = "?"+SEARCHPATTERN[1:] return -1 stdscr.clear() stdscr.addstr( rows-1, 0, " Finished searching: " + SEARCHPATTERN[1:] + " ", curses.A_REVERSE ) stdscr.refresh() pad.refresh(y, 0, 0, x, rows-2, x+width) s = pad.getch() sidx = len(found) - 1 if SEARCHPATTERN[0] == "/": if y > found[-1][0]: return 1 for n, i in enumerate(found): if i[0] >= y: sidx = n break s = 0 msg = " Searching: "\ + SEARCHPATTERN[1:]\ + " --- Res {}/{} Ch {}/{} ".format( sidx + 1, len(found), ch+1, tot ) while True: if s in QUIT: SEARCHPATTERN = None for i in found: pad.chgat(i[0], i[1], i[2], pad.getbkgd()) stdscr.clear() stdscr.refresh() return y elif s == ord("n"): SEARCHPATTERN = "/"+SEARCHPATTERN[1:] if sidx == len(found) - 1: if ch + 1 < tot: return 1 else: s = 0 msg = " Finished searching: " + SEARCHPATTERN[1:] + " " continue else: sidx += 1 msg = " Searching: "\ + SEARCHPATTERN[1:]\ + " --- Res {}/{} Ch {}/{} ".format( sidx + 1, len(found), ch+1, tot ) elif s == ord("N"): SEARCHPATTERN = "?"+SEARCHPATTERN[1:] if sidx == 0: if ch > 0: return -1 else: s = 0 msg = " Finished searching: " + SEARCHPATTERN[1:] + " " continue else: sidx -= 1 msg = " Searching: "\ + SEARCHPATTERN[1:]\ + " --- Res {}/{} Ch {}/{} ".format( sidx + 1, len(found), ch+1, tot ) elif s == curses.KEY_RESIZE: return s while found[sidx][0] not in list(range(y, y+rows-1)): if found[sidx][0] > y: y += rows - 1 else: y -= rows - 1 if y < 0: y = 0 for n, i in enumerate(found): attr = curses.A_REVERSE if n == sidx else curses.A_NORMAL pad.chgat(i[0], i[1], i[2], pad.getbkgd() | attr) stdscr.clear() stdscr.addstr(rows-1, 0, msg, curses.A_REVERSE) stdscr.refresh() pad.refresh(y, 0, 0, x, rows-2, x+width) s = pad.getch() def find_curr_toc_id(toc_idx, toc_sect, toc_secid, index, y): ntoc = 0 for n, (i, j) in enumerate(zip(toc_idx, toc_sect)): if i <= index: if y >= toc_secid.get(j, 0): ntoc = n else: break return ntoc def reader(stdscr, ebook, index, width, y, pctg, sect): global SHOWPROGRESS k = 0 if SEARCHPATTERN is None else ord("/") rows, cols = stdscr.getmaxyx() x = (cols - width) // 2 contents = ebook.contents toc_name = ebook.toc_entries[0] toc_idx = ebook.toc_entries[1] toc_sect = ebook.toc_entries[2] toc_secid = {} chpath = contents[index] content = ebook.file.open(chpath).read() content = content.decode("utf-8") parser = HTMLtoLines(set(toc_sect)) # parser = HTMLtoLines() # try: parser.feed(content) parser.close() # except: # pass src_lines, imgs, toc_secid = parser.get_lines(width) totlines = len(src_lines) if y < 0 and totlines <= rows: y = 0 elif pctg is not None: y = round(pctg*totlines) else: y = y % totlines pad = curses.newpad(totlines, width + 2) # + 2 unnecessary if COLORSUPPORT: pad.bkgd(stdscr.getbkgd()) pad.keypad(True) LOCALPCTG = [] for n, i in enumerate(src_lines): if re.search("\\[IMG:[0-9]+\\]", i): pad.addstr(n, width//2 - len(i)//2, i, curses.A_REVERSE) else: pad.addstr(n, 0, i) LOCALPCTG.append(len(re.sub("\s", "", i))) TOTALPCTG = sum(PERCENTAGE) TOTALLOCALPCTG = sum(PERCENTAGE[:index]) stdscr.clear() stdscr.refresh() # try except to be more flexible on terminal resize try: pad.refresh(y, 0, 0, x, rows-1, x+width) except curses.error: pass if sect != "": y = toc_secid.get(sect, 0) countstring = "" while True: if countstring == "": count = 1 else: count = int(countstring) if k in range(48, 58): # i.e., k is a numeral countstring = countstring + chr(k) else: if k in QUIT: if k == 27 and countstring != "": countstring = "" else: savestate(ebook.path, index, width, y, y/totlines) sys.exit() elif k in SCROLL_UP: if y >= count: y -= count elif index != 0: return -1, width, -rows, None, "" elif k in PAGE_UP: if y == 0 and index != 0: return -1, width, -rows, None, "" else: y = pgup(y, rows, LINEPRSRV, count) elif k in SCROLL_DOWN: if y + count <= totlines - rows: y += count elif index != len(contents)-1: return 1, width, 0, None, "" elif k in PAGE_DOWN: if totlines - y - LINEPRSRV > rows: y += rows - LINEPRSRV # stdscr.clear() # stdscr.refresh() elif index != len(contents)-1: return 1, width, 0, None, "" elif k in CH_NEXT: ntoc = find_curr_toc_id(toc_idx, toc_sect, toc_secid, index, y) if ntoc < len(toc_idx) - 1: if index == toc_idx[ntoc+1]: try: y = toc_secid[toc_sect[ntoc+1]] except KeyError: pass else: return toc_idx[ntoc+1]-index, width, 0, None, toc_sect[ntoc+1] elif k in CH_PREV: ntoc = find_curr_toc_id(toc_idx, toc_sect, toc_secid, index, y) if ntoc > 0: if index == toc_idx[ntoc-1]: y = toc_secid.get(toc_sect[ntoc-1], 0) else: return toc_idx[ntoc-1]-index, width, 0, None, toc_sect[ntoc-1] elif k in CH_HOME: ntoc = find_curr_toc_id(toc_idx, toc_sect, toc_secid, index, y) try: y = toc_secid[toc_sect[ntoc]] except KeyError: y = 0 elif k in CH_END: ntoc = find_curr_toc_id(toc_idx, toc_sect, toc_secid, index, y) try: if toc_secid[toc_sect[ntoc+1]] - rows >= 0: y = toc_secid[toc_sect[ntoc+1]] - rows else: y = toc_secid[toc_sect[ntoc]] except (KeyError, IndexError): y = pgend(totlines, rows) elif k in TOC: ntoc = find_curr_toc_id(toc_idx, toc_sect, toc_secid, index, y) fllwd = toc(stdscr, toc_name, ntoc, width) if fllwd is not None: if fllwd in {curses.KEY_RESIZE, META}|HELP: k = fllwd continue if index == toc_idx[fllwd]: try: y = toc_secid[toc_sect[fllwd]] except KeyError: y = 0 else: return toc_idx[fllwd] - index, width, 0, None, toc_sect[fllwd] elif k == META: k = meta(stdscr, ebook) if k in {curses.KEY_RESIZE}|HELP|TOC: continue elif k in HELP: k = help(stdscr) if k in {curses.KEY_RESIZE, META}|TOC: continue elif k == WIDEN and (width + count) < cols - 2: width += count return 0, width, 0, y/totlines, "" elif k == SHRINK and width >= 22: width -= count return 0, width, 0, y/totlines, "" elif k == WIDTH: if countstring == "": # if called without a count, toggle between 80 cols and full width if width != 80 and cols - 2 >= 80: return 0, 80, 0, y/totlines, "" else: return 0, cols - 2, 0, y/totlines, "" else: width = count if width < 20: width = 20 elif width >= cols -2: width = cols - 2 return 0, width, 0, y/totlines, "" # elif k == ord("0"): # if width != 80 and cols - 2 >= 80: # return 0, 80, 0, y/totlines, "" # else: # return 0, cols - 2, 0, y/totlines, "" elif k == ord("/"): fs = searching( stdscr, pad, src_lines, width, y, index, len(contents) ) if fs == curses.KEY_RESIZE: k = fs continue elif SEARCHPATTERN is not None: return fs, width, 0, None, "" else: y = fs elif k == ord("o") and VWR is not None: gambar, idx = [], [] for n, i in enumerate(src_lines[y:y+rows]): img = re.search("(?<=\\[IMG:)[0-9]+(?=\\])", i) if img is not None: gambar.append(img.group()) idx.append(n) impath = "" if len(gambar) == 1: impath = imgs[int(gambar[0])] elif len(gambar) > 1: p, i = 0, 0 while p not in QUIT and p not in FOLLOW: stdscr.move(idx[i], x + width//2 + len(gambar[i]) + 1) stdscr.refresh() curses.curs_set(1) p = pad.getch() if p in SCROLL_DOWN: i += 1 elif p in SCROLL_UP: i -= 1 i = i % len(gambar) curses.curs_set(0) if p in FOLLOW: impath = imgs[int(gambar[i])] if impath != "": imgsrc = dots_path(chpath, impath) k = open_media(pad, ebook, imgsrc) continue elif k in LOCALSAVING: localstatefile = os.path.splitext(ebook.path)[0] + ".json" if not os.path.isfile(localstatefile): with open(localstatefile, "w+") as lc: lc.write("") elif k == COLORSWITCH and COLORSUPPORT and countstring in {"", "0", "1", "2"}: if countstring == "": count_color = curses.pair_number(stdscr.getbkgd()) if count_color not in {2, 3}: count_color = 1 count_color = count_color % 3 else: count_color = count stdscr.bkgd(curses.color_pair(count_color+1)) return 0, width, y, None, "" elif k == ord("s"): SHOWPROGRESS = not SHOWPROGRESS elif k == curses.KEY_RESIZE: savestate(ebook.path, index, width, y, y/totlines) # stated in pypi windows-curses page: # to call resize_term right after KEY_RESIZE if sys.platform == "win32": curses.resize_term(rows, cols) rows, cols = stdscr.getmaxyx() else: rows, cols = stdscr.getmaxyx() curses.resize_term(rows, cols) if cols <= width: return 0, cols - 2, 0, y/totlines, "" else: return 0, width, y, None, "" countstring = "" if SHOWPROGRESS: PROGRESS = (TOTALLOCALPCTG + sum(LOCALPCTG[:y+rows-1])) / TOTALPCTG PROGRESSTR = f"{int(PROGRESS*100)}%" try: stdscr.clear() stdscr.addstr(0, 0, countstring) if SHOWPROGRESS and (cols-width-2)//2 > 3: stdscr.addstr(0, cols-len(PROGRESSTR), PROGRESSTR) stdscr.refresh() if totlines - y < rows: pad.refresh(y, 0, 0, x, totlines-y, x+width) else: pad.refresh(y, 0, 0, x, rows-1, x+width) except curses.error: pass k = pad.getch() def preread(stdscr, file): global COLORSUPPORT, PERCENTAGE curses.use_default_colors() try: curses.init_pair(1, -1, -1) curses.init_pair(2, DARK[0], DARK[1]) curses.init_pair(3, LIGHT[0], LIGHT[1]) COLORSUPPORT = True except: COLORSUPPORT = False stdscr.keypad(True) curses.curs_set(0) stdscr.clear() rows, cols = stdscr.getmaxyx() stdscr.addstr(rows-1, 0, "Loading...") stdscr.refresh() epub = Epub(file) if epub.path in STATE["States"]: idx = STATE["States"][epub.path]["index"] width = STATE["States"][epub.path]["width"] y = STATE["States"][epub.path]["pos"] else: STATE["States"][epub.path] = {} idx = 0 y = 0 width = 80 pctg = None if cols <= width: width = cols - 2 pctg = STATE["States"][epub.path].get("pctg", None) epub.initialize() find_media_viewer() for i in epub.contents: content = epub.file.open(i).read() content = content.decode("utf-8") parser = HTMLtoLines() # try: parser.feed(content) parser.close() # except: # pass src_lines = parser.get_lines() # sys.stdout.reconfigure(encoding="utf-8") # Python>=3.7 PERCENTAGE.append(sum([len(re.sub("\s", "", j)) for j in src_lines])) sec = "" while True: incr, width, y, pctg, sec = reader( stdscr, epub, idx, width, y, pctg, sec ) idx += incr def main(): args = [] if sys.argv[1:] != []: args += sys.argv[1:] if len({"-h", "--help"} & set(args)) != 0: hlp = __doc__.rstrip() if "-h" in args: hlp = re.search("(\n|.)*(?=\n\nKey)", hlp).group() print(hlp) sys.exit() loadstate() if len({"-v", "--version", "-V"} & set(args)) != 0: print(f"* Configuration file loaded:\n {STATEFILE}\n") print("v" + __version__) print(__license__, "License") print("Copyright (c) 2019", __author__) print(__url__) sys.exit() if len({"-d"} & set(args)) != 0: args.remove("-d") dump = True else: dump = False if args == []: file = STATE["LastRead"] if not os.path.isfile(file): # print(__doc__) sys.exit("ERROR: Found no last read file.") elif os.path.isfile(args[0]): file = args[0] else: val = cand = 0 todel = [] for i in STATE["States"].keys(): if not os.path.exists(i): todel.append(i) else: match_val = sum([ j.size for j in SM( None, i.lower(), " ".join(args).lower() ).get_matching_blocks() ]) if match_val >= val: val = match_val cand = i for i in todel: del STATE["States"][i] with open(STATEFILE, "w") as f: json.dump(STATE, f, indent=4) if len(args) == 1 and re.match(r"[0-9]+", args[0]) is not None: try: cand = list(STATE["States"].keys())[int(args[0])-1] val = 1 except IndexError: val = 0 if val != 0 and len({"-r"} & set(args)) == 0: file = cand else: print("Reading history:") dig = len(str(len(STATE["States"].keys())+1)) for n, i in enumerate(STATE["States"].keys()): print(str(n+1).rjust(dig) + ("* " if STATE["LastRead"] == i else " ") + i) if len({"-r"} & set(args)) != 0: sys.exit() else: print() sys.exit("ERROR: Found no matching history.") if dump: epub = Epub(file) epub.initialize() for i in epub.contents: content = epub.file.open(i).read() content = content.decode("utf-8") parser = HTMLtoLines() # try: parser.feed(content) parser.close() # except: # pass src_lines = parser.get_lines() # sys.stdout.reconfigure(encoding="utf-8") # Python>=3.7 for j in src_lines: sys.stdout.buffer.write((j+"\n\n").encode("utf-8")) sys.exit() else: curses.wrapper(preread, file) if __name__ == "__main__": main()