| 1 | import os |
| 2 | pj = os.path.join |
| 3 | |
| 4 | home = os.getenv("HOME") |
| 5 | if home is None or not os.path.isdir(home): |
| 6 | raise Exception("Could not find home directory for profile keeping") |
| 7 | confdir = pj(home, ".manga") |
| 8 | basedir = pj(confdir, "profiles") |
| 9 | |
| 10 | class txfile(object): |
| 11 | def __init__(self, name, mode): |
| 12 | self.realname = name |
| 13 | self.tempname = name + ".new" |
| 14 | self.bk = open(self.tempname, mode) |
| 15 | |
| 16 | def close(self, abort=False): |
| 17 | self.bk.close() |
| 18 | if abort: |
| 19 | os.unlink(self.tempname) |
| 20 | else: |
| 21 | os.rename(self.tempname, self.realname) |
| 22 | |
| 23 | def read(self, sz=-1): |
| 24 | return self.bk.read(sz) |
| 25 | |
| 26 | def write(self, data): |
| 27 | return self.bk.write(data) |
| 28 | |
| 29 | def __enter__(self): |
| 30 | return self |
| 31 | |
| 32 | def __exit__(self, *exc_info): |
| 33 | if exc_info[0] is not None: |
| 34 | self.close(True) |
| 35 | else: |
| 36 | self.close(False) |
| 37 | |
| 38 | def openwdir(nm, mode="r"): |
| 39 | ft = open |
| 40 | if mode == "W": |
| 41 | mode = "w" |
| 42 | ft = txfile |
| 43 | if os.path.exists(nm): |
| 44 | return ft(nm, mode) |
| 45 | if mode != "r": |
| 46 | d = os.path.dirname(nm) |
| 47 | if not os.path.isdir(d): |
| 48 | os.makedirs(d) |
| 49 | return ft(nm, mode) |
| 50 | |
| 51 | def splitline(line): |
| 52 | def bsq(c): |
| 53 | if c == "\\": return "\\" |
| 54 | elif c == '"': return '"' |
| 55 | elif c == " ": return " " |
| 56 | elif c == "n": return "\n" |
| 57 | else: return "" |
| 58 | ret = [] |
| 59 | p = 0 |
| 60 | buf = "" |
| 61 | a = False |
| 62 | while p < len(line): |
| 63 | c = line[p] |
| 64 | if c.isspace(): |
| 65 | p += 1 |
| 66 | else: |
| 67 | while p < len(line): |
| 68 | c = line[p] |
| 69 | p += 1 |
| 70 | if c == '"': |
| 71 | a = True |
| 72 | while p < len(line): |
| 73 | c = line[p] |
| 74 | p += 1 |
| 75 | if c == '"': |
| 76 | break |
| 77 | elif c == "\\" and p < len(line): |
| 78 | buf += bsq(line[p]) |
| 79 | p += 1 |
| 80 | else: |
| 81 | buf += c |
| 82 | elif c.isspace(): |
| 83 | ret.append(buf) |
| 84 | buf = "" |
| 85 | a = False |
| 86 | break |
| 87 | elif c == "\\" and p < len(line): |
| 88 | buf += bsq(line[p]) |
| 89 | p += 1 |
| 90 | else: |
| 91 | buf += c |
| 92 | if a or buf != "": |
| 93 | ret.append(buf) |
| 94 | return ret |
| 95 | |
| 96 | def splitlines(fp): |
| 97 | for line in fp: |
| 98 | cur = splitline(line) |
| 99 | if len(cur) < 1: |
| 100 | continue |
| 101 | yield cur |
| 102 | |
| 103 | def consline(*words): |
| 104 | buf = "" |
| 105 | for w in words: |
| 106 | if any((c == "\\" or c == '"' or c == "\n" for c in w)): |
| 107 | wb = "" |
| 108 | for c in w: |
| 109 | if c == "\\": wb += "\\\\" |
| 110 | elif c == '"': wb += '\\"' |
| 111 | elif c == "\n": wb += "\\n" |
| 112 | else: wb += c |
| 113 | w = wb |
| 114 | if w == "" or any((c.isspace() for c in w)): |
| 115 | w = '"' + w + '"' |
| 116 | if buf != "": |
| 117 | buf += " " |
| 118 | buf += w |
| 119 | return buf |
| 120 | |
| 121 | class manga(object): |
| 122 | def __init__(self, profile, libnm, id): |
| 123 | self.profile = profile |
| 124 | self.libnm = libnm |
| 125 | self.id = id |
| 126 | self.props = self.loadprops() |
| 127 | |
| 128 | def open(self): |
| 129 | from . import lib |
| 130 | return lib.findlib(self.libnm).byid(self.id) |
| 131 | |
| 132 | def save(self): |
| 133 | pass |
| 134 | |
| 135 | class memmanga(manga): |
| 136 | def __init__(self, profile, libnm, id): |
| 137 | super(memmanga, self).__init__(profile, libnm, id) |
| 138 | |
| 139 | def loadprops(self): |
| 140 | return {} |
| 141 | |
| 142 | class tagview(object): |
| 143 | def __init__(self, manga): |
| 144 | self.manga = manga |
| 145 | self.profile = manga.profile |
| 146 | |
| 147 | def add(self, *tags): |
| 148 | mt = self.getall(self.profile) |
| 149 | ctags = mt.setdefault((self.manga.libnm, self.manga.id), set()) |
| 150 | ctags |= set(tags) |
| 151 | self.save(self.profile, mt) |
| 152 | |
| 153 | def remove(self, *tags): |
| 154 | mt = self.getall(self.profile) |
| 155 | ctags = mt.get((self.manga.libnm, self.manga.id), set()) |
| 156 | ctags -= set(tags) |
| 157 | if len(ctags) < 1: |
| 158 | try: |
| 159 | del mt[self.manga.libnm, self.manga.id] |
| 160 | except KeyError: |
| 161 | pass |
| 162 | self.save(self.profile, mt) |
| 163 | |
| 164 | def __iter__(self): |
| 165 | return iter(self.getall(self.profile).get((self.manga.libnm, self.manga.id), set())) |
| 166 | |
| 167 | @staticmethod |
| 168 | def getall(profile): |
| 169 | ret = {} |
| 170 | try: |
| 171 | with profile.file("tags") as fp: |
| 172 | for words in splitlines(fp): |
| 173 | libnm, id = words[0:2] |
| 174 | tags = set(words[2:]) |
| 175 | ret[libnm, id] = tags |
| 176 | except IOError: |
| 177 | pass |
| 178 | return ret |
| 179 | |
| 180 | @staticmethod |
| 181 | def save(profile, m): |
| 182 | with profile.file("tags", "W") as fp: |
| 183 | for (libnm, id), tags in m.items(): |
| 184 | fp.write(consline(libnm, id, *tags) + "\n") |
| 185 | |
| 186 | @staticmethod |
| 187 | def bytag(profile, tag): |
| 188 | try: |
| 189 | with profile.file("tags") as fp: |
| 190 | for words in splitlines(fp): |
| 191 | libnm, id = words[0:2] |
| 192 | tags = words[2:] |
| 193 | if tag in tags: |
| 194 | yield profile.getmanga(libnm, id) |
| 195 | except IOError: |
| 196 | pass |
| 197 | |
| 198 | class filemanga(manga): |
| 199 | def __init__(self, profile, libnm, id, path): |
| 200 | self.path = path |
| 201 | super(filemanga, self).__init__(profile, libnm, id) |
| 202 | self.tags = tagview(self) |
| 203 | |
| 204 | def loadprops(self): |
| 205 | ret = {} |
| 206 | with openwdir(self.path) as f: |
| 207 | for words in splitlines(f): |
| 208 | if words[0] == "set" and len(words) > 2: |
| 209 | ret[words[1]] = words[2] |
| 210 | elif words[0] == "lset" and len(words) > 1: |
| 211 | ret[words[1]] = words[2:] |
| 212 | return ret |
| 213 | |
| 214 | def save(self): |
| 215 | with openwdir(self.path, "W") as f: |
| 216 | for key, val in self.props.items(): |
| 217 | if isinstance(val, str): |
| 218 | f.write(consline("set", key, val) + "\n") |
| 219 | else: |
| 220 | f.write(consline("lset", key, *val) + "\n") |
| 221 | |
| 222 | class profile(object): |
| 223 | def __init__(self, dir): |
| 224 | self.dir = dir |
| 225 | self.name = None |
| 226 | |
| 227 | def getmapping(self): |
| 228 | seq = 0 |
| 229 | ret = {} |
| 230 | if os.path.exists(pj(self.dir, "map")): |
| 231 | with openwdir(pj(self.dir, "map")) as f: |
| 232 | for words in splitlines(f): |
| 233 | if words[0] == "seq" and len(words) > 1: |
| 234 | try: |
| 235 | seq = int(words[1]) |
| 236 | except ValueError: |
| 237 | pass |
| 238 | elif words[0] == "manga" and len(words) > 3: |
| 239 | try: |
| 240 | ret[words[1], words[2]] = int(words[3]) |
| 241 | except ValueError: |
| 242 | pass |
| 243 | return seq, ret |
| 244 | |
| 245 | def savemapping(self, seq, m): |
| 246 | with openwdir(pj(self.dir, "map"), "W") as f: |
| 247 | f.write(consline("seq", str(seq)) + "\n") |
| 248 | for (libnm, id), num in m.items(): |
| 249 | f.write(consline("manga", libnm, id, str(num)) + "\n") |
| 250 | |
| 251 | def getmanga(self, libnm, id, creat=False): |
| 252 | seq, m = self.getmapping() |
| 253 | if (libnm, id) in m: |
| 254 | return filemanga(self, libnm, id, pj(self.dir, "%i.manga" % m[(libnm, id)])) |
| 255 | if not creat: |
| 256 | raise KeyError("no such manga: (%s, %s)" % (libnm, id)) |
| 257 | while True: |
| 258 | try: |
| 259 | fp = openwdir(pj(self.dir, "%i.manga" % seq), "wx") |
| 260 | except IOError: |
| 261 | seq += 1 |
| 262 | else: |
| 263 | break |
| 264 | fp.close() |
| 265 | m[(libnm, id)] = seq |
| 266 | self.savemapping(seq, m) |
| 267 | return filemanga(self, libnm, id, pj(self.dir, "%i.manga" % seq)) |
| 268 | |
| 269 | def setlast(self): |
| 270 | if self.name is None: |
| 271 | raise ValueError("profile at " + self.dir + " has no name") |
| 272 | with openwdir(pj(basedir, "last"), "W") as f: |
| 273 | f.write(self.name + "\n") |
| 274 | |
| 275 | def getaliases(self): |
| 276 | ret = {} |
| 277 | if os.path.exists(pj(self.dir, "alias")): |
| 278 | with openwdir(pj(self.dir, "alias")) as f: |
| 279 | for ln in f: |
| 280 | ln = splitline(ln) |
| 281 | if len(ln) < 1: continue |
| 282 | if ln[0] == "alias" and len(ln) > 3: |
| 283 | ret[ln[1]] = ln[2], ln[3] |
| 284 | return ret |
| 285 | |
| 286 | def savealiases(self, map): |
| 287 | with openwdir(pj(self.dir, "alias"), "W") as f: |
| 288 | for nm, (libnm, id) in map.items(): |
| 289 | f.write(consline("alias", nm, libnm, id) + "\n") |
| 290 | |
| 291 | def file(self, name, mode="r"): |
| 292 | return openwdir(pj(self.dir, name), mode) |
| 293 | |
| 294 | def getalias(self, nm): |
| 295 | return self.getaliases()[nm] |
| 296 | |
| 297 | def setalias(self, nm, libnm, id): |
| 298 | aliases = self.getaliases() |
| 299 | aliases[nm] = libnm, id |
| 300 | self.savealiases(aliases) |
| 301 | |
| 302 | def bytag(self, tag): |
| 303 | return tagview.bytag(self, tag) |
| 304 | |
| 305 | @classmethod |
| 306 | def byname(cls, name): |
| 307 | if not name or name == "last" or name[0] == '.': |
| 308 | raise KeyError("invalid profile name: " + name) |
| 309 | ret = cls(pj(basedir, name)) |
| 310 | ret.name = name |
| 311 | return ret |
| 312 | |
| 313 | @classmethod |
| 314 | def last(cls): |
| 315 | if not os.path.exists(pj(basedir, "last")): |
| 316 | raise KeyError("there is no last used profile") |
| 317 | with open(pj(basedir, "last")) as f: |
| 318 | return cls.byname(f.readline().strip()) |