direct/python/yaffs_browser.py

   1 #!/usr/bin/python
   2 import Tkinter as tk
   3 from yaffsfs import *
   4 #import examples
   5 import ctypes
   6
   7 yaffs_StartUp()
   8 yaffs_mount("/yaffs2/")
   9 root_window =tk.Tk()
  10 root_window.title("YAFFS Browser")
  11 mount_list_text_variable=tk.StringVar()
  12
  13 mount_list_text_variable.set("/yaffs2/")
  14 current_directory_dict={}
  15 open_windows_list=[]
  16
  17 class editor():
  18     yaffs_handle=0
  19     file_editor_root =0
  20     save_button=[]
  21     file_contents=0
  22     file_path=0
  23     isLink=0
  24     def save_file(self):
  25         if  self.isLink==True:
  26             target_path=self.file_editor_text.get("1.0", tk.END) ##"1.0" is the index of the first line of text
  27             target_path=target_path[0:len(target_path)-1]
  28             new_path=self.file_path
  29             print "creating a symlink \n target:##", target_path, "##"
  30             target_file_exists=yaffs_access(target_path, 0) ##yaffs_access will return 0 on success and -1 on failure.
  31             if target_file_exists>=0:
  32                 ##file exists,create symlink
  33                 print "target file exist, creating symlink"
  34                 yaffs_unlink(new_path)
  35                 output=yaffs_symlink(target_path, new_path)
  36                 print "yaffs symlink output=", output
  37                 self.file_editor_root.destroy()
  38             else :
  39                 ##file does not exist
  40                 print "target file does not exist, cannot create symlink"
  41         else :
  42             #global current_directory_dict
  43             print "saving the file"
  44             print self.file_editor_text.get("1.0", tk.END) ##"1.0" is the index of the first line of text
  45             yaffs_lseek(self.yaffs_handle, 0, 0)
  46             data_to_be_written=self.file_editor_text.get("1.0", tk.END)
  47             print "data to be saved", data_to_be_written
  48             length_of_file=len(data_to_be_written)
  49             print "length of data to be written",length_of_file
  50             output=yaffs_write(self.yaffs_handle,data_to_be_written , length_of_file)
  51             print "output", output
  52             yaffs_ftruncate(self.yaffs_handle, length_of_file)
  53             yaffs_close(self.yaffs_handle)
  54             self.yaffs_handle = yaffs_open(self.file_path,66,0666)
  55         load_dir()
  56
  57     def __init__(self, isLink=0):
  58         global current_directory_dict
  59         x=name_list_box.curselection()
  60         self.id=int(x[0])
  61         self.file_editor_root =tk.Toplevel()
  62         self.save_button=tk.Button(self.file_editor_root, text="save", command=self.save_file)
  63         self.save_button.pack()
  64
  65         self.file_path=current_directory_dict[self.id]["path"]
  66         print "file path", self.file_path
  67         self.file_editor_root.title(current_directory_dict[self.id]["path"])
  68         self.file_editor_text=tk.Text(self.file_editor_root)
  69         self.yaffs_handle = yaffs_open(current_directory_dict[self.id]["path"],66,0666)
  70         length_of_file=yaffs_lseek(self.yaffs_handle, 0, 2) ##seeks to the end of the file
  71         yaffs_lseek(self.yaffs_handle, 0, 0)## returns the handle to the front of th file
  72         print "length of file to be opened:", length_of_file
  73         if isLink==True:
  74             print "opening symlink"
  75             self.file_contents=ctypes.create_string_buffer(1000)
  76             yaffs_readlink(self.file_path,self.file_contents,1000)
  77             self.isLink=True
  78         else:
  79             print"opening file"
  80             self.file_contents=ctypes.create_string_buffer(length_of_file)
  81             yaffs_read(self.yaffs_handle,self.file_contents,length_of_file)
  82             print "file contents", self.file_contents.raw
  83         self.file_editor_text.insert(tk.END, self.file_contents.raw)
  84         self.file_editor_text.pack()
  85         ##self.file_editor_text.bind("<Control-s>", self.save_file)
  86         ##doesn't work because it can't pass "self"
  87
  88 def load_dir():
  89     global current_directory_dict
  90     print "loading a new directory*******************************************************************"
  91     name_list_box.delete(0, tk.END)
  92     current_directory_dict=yaffs_ls(mount_list_text_variable.get())
  93     print "new directory", current_directory_dict
  94     ##copy directory into file box
  95     for x in range(0,len(current_directory_dict)):
  96         name_list_box.insert(x,(current_directory_dict[x]["inodes"]+"  "+ current_directory_dict[x]["type"]+"  "+ current_directory_dict[x]["size"]+"  "+ current_directory_dict[x]["path"]))
  97     name_list_box.grid(column=0, row=1)
  98     return current_directory_dict
  99
 100 def load_file(link=0):
 101     global open_windows_list
 102     open_windows_list.append(editor(link))
 103
 104 def load_command(self=0):
 105     global current_directory_dict
 106     print "you loaded a file/dir/link"
 107     x=name_list_box.curselection()
 108     x=int(x[0])
 109     print "cursor selection", x
 110     print "dict", current_directory_dict
 111
 112     print "file inode is:", current_directory_dict[x]["inodes"]
 113
 114
 115     print "file path is:", current_directory_dict[x]["path"]
 116     if current_directory_dict[x]["type"]=="dir":
 117         ##open dir
 118         print "open directory"
 119         mount_list_text_variable.set(current_directory_dict[x]["path"])
 120         print mount_list_text_variable.get()
 121         print "old directory dict", current_directory_dict
 122         #current_directory_dict=load_dir()
 123         load_dir()
 124
 125         print "new directory dict passed back"
 126
 127     elif current_directory_dict[x]["type"]=="file" :
 128         ##open file
 129         print "open file"
 130         load_file()
 131     elif current_directory_dict[x]["type"]=="link":
 132         print "loading a symlink"
 133         load_file(1)
 134     ##mount_list_text_variable.set(mount_list_text_variable.get()+str(list[0][0]))
 135
 136 def back_a_directory(self=0):
 137     x=len(mount_list_text_variable.get())
 138     string=mount_list_text_variable.get()
 139     slashes_id=[]
 140     #print "length of path", x
 141     #print "string been sorted:",  string
 142     for i in range(0, x):
 143         if string[i]=='/':
 144             slashes_id.append(i)
 145             #print "slash found at:", i
 146
 147     print slashes_id
 148     ##slashes_id.sort() not needed because the list is already in acending order
 149     ##print "sorted",slashes_id
 150
 151     string=string[0: slashes_id[len(slashes_id)-2]+1]
 152     print string
 153     mount_list_text_variable.set(string)
 154     load_dir()
 155
 156
 157
 158
 159
 160
 161 def yaffs_ls(dname):
 162     ls_dict=[]
 163
 164     if dname[-1] != "/": dname = dname + "/"
 165     dc = yaffs_opendir(dname)
 166     if dc != 0 :
 167         sep = yaffs_readdir(dc)
 168         while bool(sep):
 169
 170             se = sep.contents
 171             fullname = dname + se.d_name
 172             st = yaffs_stat_struct()
 173             result = yaffs_lstat(fullname,byref(st))
 174             perms = st.st_mode & 0777
 175             ftype = st.st_mode & yaffs_S_IFMT
 176             isFile = True if ftype == yaffs_S_IFREG else False
 177             isDir  = True if ftype == yaffs_S_IFDIR else False
 178             isSymlink= True if ftype == yaffs_S_IFLNK else False
 179
 180             if isFile :
 181                 ls_dict.append ({"type" :"file",  "inodes" :  str(se.d_ino),   "permissions" : str(hex(perms)),  "size": str(st.st_size), "path":  fullname})
 182                 print "file st.st_mode:", st.st_mode
 183
 184             elif isDir :
 185                 print "dir st.st_mode:", st.st_mode
 186
 187                 ls_dict.append({"type":"dir", "inodes" :str(se.d_ino), "permissions":str( hex(perms)),"size":"0",   "path": fullname+"/"})
 188             elif isSymlink:
 189                 print "symlink st.st_mode:", st.st_mode
 190
 191                 ls_dict.append ({"type" :"link",  "inodes" :  str(se.d_ino),   "permissions" : str(hex(perms)),  "size": str(st.st_size), "path":  fullname})
 192
 193             else :
 194                 print "unknown st.st_mode:", st.st_mode
 195                 ls_dict.append({ "type":"Other", "inodes":str(se.d_ino),  "permissions":str( hex(perms)), "size":"0",   "path": fullname})
 196             sep = yaffs_readdir(dc)
 197         yaffs_closedir(dc)
 198         return ls_dict
 199     else:
 200         print "Could not open directory"
 201         return -1
 202
 203
 204 ##toolbar
 205 toolbar_frame=tk.Frame(root_window)
 206 button_open=tk.Button(toolbar_frame, command=load_command, text="load")
 207 button_open.grid(column=0, row=0)
 208 button_back=tk.Button(toolbar_frame, command=back_a_directory, text="back")
 209 button_back.grid(column=1, row=0)
 210 toolbar_frame.grid(row=0, column=0,  columnspan=3)
 211
 212 def delete_selected(selected_dir=0):
 213     if selected_dir==0:
 214         print"using current_directory_dict"
 215         global current_directory_dict
 216         x=name_list_box.curselection()
 217         x=int(x[0])
 218         print current_directory_dict[x]["type"]
 219         if current_directory_dict[x]["type"]=="file":
 220             path=current_directory_dict[x]["path"]
 221             path =path
 222             output=yaffs_unlink(path)
 223             print "unlinking output:", output
 224         elif current_directory_dict[x]["type"]=="dir":
 225             path=current_directory_dict[x]["path"]
 226             inside_dir=yaffs_ls(path)
 227             print "files and folder inside dir", inside_dir
 228             print "len of dir", len(inside_dir)
 229             if inside_dir!=[]: ##if the dir is not empty
 230                 ## remove stuff in dir
 231                 for i in range(0,len(inside_dir)):
 232                     print "calling self*****"
 233                     delete_selected(inside_dir[i])
 234
 235             path =path[0:len(path)-1] ##this is to remove the "/" off the end of the of the file
 236             print "removing:", path
 237             output=yaffs_rmdir(path)
 238             print "rmdir output:", output
 239     else :
 240         print "using passed dir"
 241         print "dir passed", selected_dir
 242         current_directory_dict =selected_dir
 243
 244         print "after copying", current_directory_dict
 245         print current_directory_dict["type"]
 246         if current_directory_dict["type"]=="file":
 247             path=current_directory_dict["path"]
 248             path =path
 249             output=yaffs_unlink(path)
 250             print "unlinking output:", output
 251         elif current_directory_dict["type"]=="dir":
 252             path=current_directory_dict["path"]
 253             inside_dir=yaffs_ls(path)
 254             print "files and folder inside dir", inside_dir
 255             print "len of dir", len(inside_dir)
 256             if inside_dir!=[]: ##if the dir is not empty
 257                 ## remove stuff in dir
 258                 for i in range(0,len(inside_dir)):
 259                     print "calling self*****"
 260                     delete_selected(inside_dir[i])
 261
 262             path =path[0:len(path)-1] ##this is to remove the "/" off the end of the of the file
 263             print "removing:", path
 264             output=yaffs_rmdir(path)
 265             print "rmdir output:", output
 266
 267
 268
 269     load_dir()
 270
 271
 272
 273 class new_file():
 274     path_entry_box=0
 275     new_file_window=0
 276     def open_the_file(self):
 277         global mount_list_text_variable
 278         print "trying to create", mount_list_text_variable.get()+self.path_entry_box.get()
 279         yaffs_handle=yaffs_open(self.path_entry_box.get(),66,0666)
 280         yaffs_close(yaffs_handle)
 281         self.new_file_window.destroy()
 282         load_dir()
 283
 284     def cancel(self):
 285         ##del self
 286         self.new_file_window.destroy()
 287     def __init__(self):
 288         global mount_list_text_variable
 289         self.new_file_window =tk.Toplevel(takefocus=True)
 290         path_frame=tk.Frame(self.new_file_window)
 291         path_label=tk.Label(path_frame, text="file path")
 292         path_label.pack(side=tk.LEFT)
 293         text=tk.StringVar()
 294         text.set(mount_list_text_variable.get())
 295         print "############################",mount_list_text_variable.get()
 296         self.path_entry_box= tk.Entry(path_frame, textvariable=text)
 297         self.path_entry_box.pack(side=tk.RIGHT)
 298         path_frame.pack()
 299         button_frame=tk.Frame(self.new_file_window)
 300         create_button=tk.Button(button_frame, text="Create", command=self.open_the_file)
 301         create_button.pack(side=tk.LEFT)
 302         cancel_button=tk.Button(button_frame, text="Cancel", command=self.cancel)
 303         cancel_button.pack(side=tk.RIGHT)
 304         button_frame.pack()
 305
 306 class new_folder():
 307     path_entry_box=0
 308     new_folder_window=0
 309     def create_the_folder(self):
 310         global mount_list_text_variable
 311         print "trying to create", mount_list_text_variable.get()+self.path_entry_box.get()
 312         yaffs_mkdir(self.path_entry_box.get(),0666)
 313         self.new_folder_window.destroy()
 314
 315         load_dir()
 316
 317     def cancel(self):
 318         ##del self
 319         self.new_folder_window.destroy()
 320     def __init__(self):
 321         global mount_list_text_variable
 322         self.new_folder_window =tk.Toplevel(takefocus=True)
 323         path_frame=tk.Frame(self.new_folder_window)
 324         path_label=tk.Label(path_frame, text="directory path")
 325         path_label.pack(side=tk.LEFT)
 326         text=tk.StringVar()
 327         text.set(mount_list_text_variable.get())
 328         print "############################",mount_list_text_variable.get()
 329         self.path_entry_box= tk.Entry(path_frame, textvariable=text)
 330         self.path_entry_box.pack(side=tk.RIGHT)
 331         path_frame.pack()
 332         button_frame=tk.Frame(self.new_folder_window)
 333         create_button=tk.Button(button_frame, text="Create", command=self.create_the_folder)
 334         create_button.pack(side=tk.LEFT)
 335         cancel_button=tk.Button(button_frame, text="Cancel", command=self.cancel)
 336         cancel_button.pack(side=tk.RIGHT)
 337         button_frame.pack()
 338
 339
 340 class new_symlink():
 341     path_entry_box=0
 342     target_text=0
 343     new_text=0
 344     new_file_window=0
 345     def create_the_symlink(self):
 346         global mount_list_text_variable
 347         ##check the symlink's target is a file.
 348         target_path=self.target_text.get()
 349         new_path=self.new_text.get()
 350         print "creating a symlink \n target:", target_path
 351         target_file_exists=yaffs_access(target_path, 0) ##yaffs_access will return 0 on success and -1 on failure.
 352         if target_file_exists>=0:
 353             ##file exists,create symlink
 354             print "target file exist, creating symlink"
 355             yaffs_symlink(target_path, new_path)
 356             self.new_file_window.destroy()
 357         else :
 358             ##file does not exist
 359             print "target file does not exist, cannot create symlink"
 360         load_dir()
 361
 362     def cancel(self):
 363         ##del self
 364         self.new_file_window.destroy()
 365     def __init__(self):
 366         global mount_list_text_variable
 367         self.new_file_window =tk.Toplevel(takefocus=True)
 368         target_frame=tk.Frame(self.new_file_window)
 369         target_label=tk.Label(target_frame, text="target")
 370         target_label.pack(side=tk.LEFT)
 371         self.target_text=tk.StringVar()
 372         self.target_text.set(mount_list_text_variable.get())
 373         #print "############################",mount_list_text_variable.get()
 374         self.target_entry_box= tk.Entry(target_frame, textvariable=self.target_text)
 375         self.target_entry_box.pack(side=tk.RIGHT)
 376         target_frame.pack()
 377
 378         new_frame=tk.Frame(self.new_file_window)
 379         new_label=tk.Label(new_frame, text="file path")
 380         new_label.pack(side=tk.LEFT)
 381         self.new_text=tk.StringVar()
 382         self.new_text.set(mount_list_text_variable.get())
 383         #print "############################",mount_list_text_variable.get()
 384         self.new_entry_box= tk.Entry(new_frame, textvariable=self.new_text)
 385         self.new_entry_box.pack(side=tk.RIGHT)
 386         new_frame.pack()
 387
 388         button_frame=tk.Frame(self.new_file_window)
 389         create_button=tk.Button(button_frame, text="Create", command=self.create_the_symlink)
 390         create_button.pack(side=tk.LEFT)
 391         cancel_button=tk.Button(button_frame, text="Cancel", command=self.cancel)
 392         cancel_button.pack(side=tk.RIGHT)
 393         button_frame.pack()
 394
 395
 396
 397 class new_hardlink():
 398     path_entry_box=0
 399     target_text=0
 400     new_text=0
 401     new_file_window=0
 402     def create_the_hardlink(self):
 403         global mount_list_text_variable
 404         ##check the symlink's target is a file.
 405         target_path=self.target_text.get()
 406         new_path=self.new_text.get()
 407         print "creating a hardlink \n target:", target_path
 408         target_file_exists=yaffs_access(target_path, 0) ##yaffs_access will return 0 on success and -1 on failure.
 409         if target_file_exists>=0:
 410             ##file exists,create symlink
 411             print "target file exist, creating hardlink"
 412             yaffs_link(target_path, new_path)
 413             self.new_file_window.destroy()
 414         else :
 415             ##file does not exist
 416             print "target file does not exist, cannot create hardlink"
 417         load_dir()
 418
 419     def cancel(self):
 420         ##del self
 421         self.new_file_window.destroy()
 422     def __init__(self):
 423         global mount_list_text_variable
 424         self.new_file_window =tk.Toplevel(takefocus=True)
 425         target_frame=tk.Frame(self.new_file_window)
 426         target_label=tk.Label(target_frame, text="target")
 427         target_label.pack(side=tk.LEFT)
 428         self.target_text=tk.StringVar()
 429         self.target_text.set(mount_list_text_variable.get())
 430         #print "############################",mount_list_text_variable.get()
 431         self.target_entry_box= tk.Entry(target_frame, textvariable=self.target_text)
 432         self.target_entry_box.pack(side=tk.RIGHT)
 433         target_frame.pack()
 434
 435         new_frame=tk.Frame(self.new_file_window)
 436         new_label=tk.Label(new_frame, text="file path")
 437         new_label.pack(side=tk.LEFT)
 438         self.new_text=tk.StringVar()
 439         self.new_text.set(mount_list_text_variable.get())
 440         #print "############################",mount_list_text_variable.get()
 441         self.new_entry_box= tk.Entry(new_frame, textvariable=self.new_text)
 442         self.new_entry_box.pack(side=tk.RIGHT)
 443         new_frame.pack()
 444
 445         button_frame=tk.Frame(self.new_file_window)
 446         create_button=tk.Button(button_frame, text="Create", command=self.create_the_hardlink)
 447         create_button.pack(side=tk.LEFT)
 448         cancel_button=tk.Button(button_frame, text="Cancel", command=self.cancel)
 449         cancel_button.pack(side=tk.RIGHT)
 450         button_frame.pack()
 451
 452
 453 ##mount list entry box init
 454 mount_list_frame=tk.Frame(root_window)
 455 mount_list_label=tk.Label(mount_list_frame, text="mount list")
 456 mount_list_label.pack(side=tk.RIGHT)
 457
 458 mount_list_entry_box= tk.Entry(mount_list_frame,textvariable=mount_list_text_variable)
 459 mount_list_entry_box.pack(side=tk.RIGHT)
 460 mount_list_frame.grid(row=1, column=0, columnspan=2)
 461
 462
 463 list_frame=tk.Frame(root_window)
 464 name_list_box=tk.Listbox(list_frame,exportselection=0, height=30, width=50)
 465 load_dir()
 466 list_frame.grid()
 467
 468 name_list_box.bind("<Double-Button-1>", load_command)
 469
 470 browser_menu_bar=tk.Menu(root_window)
 471 browser_file_menu=tk.Menu(browser_menu_bar)
 472
 473 browser_file_menu.add_command(label="Reload", command=load_dir)
 474 #browser_file_menu.add_command(label="Open")
 475 #browser_file_menu.add_command(label="Save")
 476 browser_menu_bar.add_cascade(label="File", menu=browser_file_menu)
 477 root_window.config(menu=browser_menu_bar)
 478
 479
 480 browser_edit_menu=tk.Menu(browser_menu_bar)
 481
 482 browser_edit_menu.add_command(label="New File", command=new_file)
 483 browser_edit_menu.add_command(label="New Folder", command=new_folder)
 484 browser_edit_menu.add_command(label="New Symlink", command=new_symlink)
 485 browser_edit_menu.add_command(label="New Hardlink", command=new_hardlink)
 486
 487
 488 browser_edit_menu.add_command(label="delete selected", command=delete_selected)
 489 browser_menu_bar.add_cascade(label="Edit", menu=browser_edit_menu)
 490
 491
 492
 493
 494
 495
 496 root_window.mainloop()
 497
 498 print"unmounting yaffs:", yaffs_unmount("yaffs2/")
 499
 500