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         if isLink==True:
  73             self.file_contents=ctypes.create_string_buffer(100)
  74             yaffs_readlink(self.file_path,self.file_contents,100)
  75             self.isLink=True
  76         else:
  77             self.file_contents=ctypes.create_string_buffer(length_of_file)
  78             yaffs_read(self.yaffs_handle,self.file_contents,length_of_file)
  79         print "file contents", self.file_contents.raw
  80         self.file_editor_text.insert(tk.END, self.file_contents.raw)
  81         self.file_editor_text.pack()
  82         ##self.file_editor_text.bind("<Control-s>", self.save_file)
  83         ##doesn't work because it can't pass "self"
  84
  85 def load_dir():
  86     global current_directory_dict
  87     print "loading a new directory*******************************************************************"
  88     name_list_box.delete(0, tk.END)
  89     current_directory_dict=yaffs_ls(mount_list_text_variable.get())
  90     print "new directory", current_directory_dict
  91     ##copy directory into file box
  92     for x in range(0,len(current_directory_dict)):
  93         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"]))
  94     name_list_box.grid(column=0, row=1)
  95     return current_directory_dict
  96
  97 def load_file(link=0):
  98     global open_windows_list
  99     open_windows_list.append(editor(link))
 100
 101 def load_command(self=0):
 102     global current_directory_dict
 103     print "you loaded a file/dir/link"
 104     x=name_list_box.curselection()
 105     x=int(x[0])
 106     print "cursor selection", x
 107     print "dict", current_directory_dict
 108
 109     print "file inode is:", current_directory_dict[x]["inodes"]
 110
 111
 112     print "file path is:", current_directory_dict[x]["path"]
 113     if current_directory_dict[x]["type"]=="dir":
 114         ##open dir
 115         print "open directory"
 116         mount_list_text_variable.set(current_directory_dict[x]["path"])
 117         print mount_list_text_variable.get()
 118         print "old directory dict", current_directory_dict
 119         #current_directory_dict=load_dir()
 120         load_dir()
 121
 122         print "new directory dict passed back"
 123
 124     elif current_directory_dict[x]["type"]=="file" :
 125         ##open file
 126         print "open file"
 127         load_file()
 128     elif current_directory_dict[x]["type"]=="link":
 129         print "loading a symlink"
 130         load_file(1)
 131     ##mount_list_text_variable.set(mount_list_text_variable.get()+str(list[0][0]))
 132
 133 def back_a_directory(self=0):
 134     x=len(mount_list_text_variable.get())
 135     string=mount_list_text_variable.get()
 136     slashes_id=[]
 137     #print "length of path", x
 138     #print "string been sorted:",  string
 139     for i in range(0, x):
 140         if string[i]=='/':
 141             slashes_id.append(i)
 142             #print "slash found at:", i
 143
 144     print slashes_id
 145     ##slashes_id.sort() not needed because the list is already in acending order
 146     ##print "sorted",slashes_id
 147
 148     string=string[0: slashes_id[len(slashes_id)-2]+1]
 149     print string
 150     mount_list_text_variable.set(string)
 151     load_dir()
 152
 153
 154
 155
 156
 157
 158 def yaffs_ls(dname):
 159     ls_dict=[]
 160
 161     if dname[-1] != "/": dname = dname + "/"
 162     dc = yaffs_opendir(dname)
 163     if dc != 0 :
 164         sep = yaffs_readdir(dc)
 165         while bool(sep):
 166
 167             se = sep.contents
 168             fullname = dname + se.d_name
 169             st = yaffs_stat_struct()
 170             result = yaffs_stat(fullname,byref(st))
 171             perms = st.st_mode & 0777
 172             isFile = True if st.st_mode & 0x8000 else False
 173             isDir  = True if st.st_mode & 0x4000 else False
 174             isSymlink=False if st.st_mode & 0x120000 else True
 175
 176             if isFile :
 177                 ls_dict.append ({"type" :"file",  "inodes" :  str(se.d_ino),   "permissions" : str(hex(perms)),  "size": str(st.st_size), "path":  fullname})
 178                 print "file st.st_mode:", st.st_mode
 179                 print "st.st_mode andded with st.st_mode & 0x8000", st.st_mode & 0x8000
 180             elif isDir :
 181                 print "dir st.st_mode:", st.st_mode
 182                 print "st.st_mode andded with st.st_mode & 0x4000", st.st_mode & 0x4000
 183                 ls_dict.append({"type":"dir", "inodes" :str(se.d_ino), "permissions":str( hex(perms)),"size":"0",   "path": fullname+"/"})
 184             elif isSymlink:
 185
 186                 ls_dict.append ({"type" :"link",  "inodes" :  str(se.d_ino),   "permissions" : str(hex(perms)),  "size": str(st.st_size), "path":  fullname})
 187
 188             else :
 189                 print "unknown st.st_mode:", st.st_mode
 190                 print "st.st_mode andded with st.st_mode & 0x120000", st.st_mode & 0x120000
 191                 ls_dict.append({ "type":"Other", "inodes":str(se.d_ino),  "permissions":str( hex(perms)), "size":"0",   "path": fullname})
 192             sep = yaffs_readdir(dc)
 193         yaffs_closedir(dc)
 194         return ls_dict
 195     else:
 196         print "Could not open directory"
 197         return -1
 198
 199
 200 ##toolbar
 201 toolbar_frame=tk.Frame(root_window)
 202 button_open=tk.Button(toolbar_frame, command=load_command, text="load")
 203 button_open.grid(column=0, row=0)
 204 button_back=tk.Button(toolbar_frame, command=back_a_directory, text="back")
 205 button_back.grid(column=1, row=0)
 206 toolbar_frame.grid(row=0, column=0,  columnspan=3)
 207
 208 def delete_selected(selected_dir=0):
 209     if selected_dir==0:
 210         print"using current_directory_dict"
 211         global current_directory_dict
 212         x=name_list_box.curselection()
 213         x=int(x[0])
 214         print current_directory_dict[x]["type"]
 215         if current_directory_dict[x]["type"]=="file":
 216             path=current_directory_dict[x]["path"]
 217             path =path
 218             output=yaffs_unlink(path)
 219             print "unlinking output:", output
 220         elif current_directory_dict[x]["type"]=="dir":
 221             path=current_directory_dict[x]["path"]
 222             inside_dir=yaffs_ls(path)
 223             print "files and folder inside dir", inside_dir
 224             print "len of dir", len(inside_dir)
 225             if inside_dir!=[]: ##if the dir is not empty
 226                 ## remove stuff in dir
 227                 for i in range(0,len(inside_dir)):
 228                     print "calling self*****"
 229                     delete_selected(inside_dir[i])
 230
 231             path =path[0:len(path)-1] ##this is to remove the "/" off the end of the of the file
 232             print "removing:", path
 233             output=yaffs_rmdir(path)
 234             print "rmdir output:", output
 235     else :
 236         print "using passed dir"
 237         print "dir passed", selected_dir
 238         current_directory_dict =selected_dir
 239
 240         print "after copying", current_directory_dict
 241         print current_directory_dict["type"]
 242         if current_directory_dict["type"]=="file":
 243             path=current_directory_dict["path"]
 244             path =path
 245             output=yaffs_unlink(path)
 246             print "unlinking output:", output
 247         elif current_directory_dict["type"]=="dir":
 248             path=current_directory_dict["path"]
 249             inside_dir=yaffs_ls(path)
 250             print "files and folder inside dir", inside_dir
 251             print "len of dir", len(inside_dir)
 252             if inside_dir!=[]: ##if the dir is not empty
 253                 ## remove stuff in dir
 254                 for i in range(0,len(inside_dir)):
 255                     print "calling self*****"
 256                     delete_selected(inside_dir[i])
 257
 258             path =path[0:len(path)-1] ##this is to remove the "/" off the end of the of the file
 259             print "removing:", path
 260             output=yaffs_rmdir(path)
 261             print "rmdir output:", output
 262
 263
 264
 265     load_dir()
 266
 267
 268
 269 class new_file():
 270     path_entry_box=0
 271     new_file_window=0
 272     def open_the_file(self):
 273         global mount_list_text_variable
 274         print "trying to create", mount_list_text_variable.get()+self.path_entry_box.get()
 275         yaffs_handle=yaffs_open(self.path_entry_box.get(),66,0666)
 276         yaffs_close(yaffs_handle)
 277         self.new_file_window.destroy()
 278         load_dir()
 279
 280     def cancel(self):
 281         ##del self
 282         self.new_file_window.destroy()
 283     def __init__(self):
 284         global mount_list_text_variable
 285         self.new_file_window =tk.Toplevel(takefocus=True)
 286         path_frame=tk.Frame(self.new_file_window)
 287         path_label=tk.Label(path_frame, text="file path")
 288         path_label.pack(side=tk.LEFT)
 289         text=tk.StringVar()
 290         text.set(mount_list_text_variable.get())
 291         print "############################",mount_list_text_variable.get()
 292         self.path_entry_box= tk.Entry(path_frame, textvariable=text)
 293         self.path_entry_box.pack(side=tk.RIGHT)
 294         path_frame.pack()
 295         button_frame=tk.Frame(self.new_file_window)
 296         create_button=tk.Button(button_frame, text="Create", command=self.open_the_file)
 297         create_button.pack(side=tk.LEFT)
 298         cancel_button=tk.Button(button_frame, text="Cancel", command=self.cancel)
 299         cancel_button.pack(side=tk.RIGHT)
 300         button_frame.pack()
 301
 302 class new_folder():
 303     path_entry_box=0
 304     new_folder_window=0
 305     def create_the_folder(self):
 306         global mount_list_text_variable
 307         print "trying to create", mount_list_text_variable.get()+self.path_entry_box.get()
 308         yaffs_mkdir(self.path_entry_box.get(),0666)
 309         self.new_folder_window.destroy()
 310
 311         load_dir()
 312
 313     def cancel(self):
 314         ##del self
 315         self.new_folder_window.destroy()
 316     def __init__(self):
 317         global mount_list_text_variable
 318         self.new_folder_window =tk.Toplevel(takefocus=True)
 319         path_frame=tk.Frame(self.new_folder_window)
 320         path_label=tk.Label(path_frame, text="directory path")
 321         path_label.pack(side=tk.LEFT)
 322         text=tk.StringVar()
 323         text.set(mount_list_text_variable.get())
 324         print "############################",mount_list_text_variable.get()
 325         self.path_entry_box= tk.Entry(path_frame, textvariable=text)
 326         self.path_entry_box.pack(side=tk.RIGHT)
 327         path_frame.pack()
 328         button_frame=tk.Frame(self.new_folder_window)
 329         create_button=tk.Button(button_frame, text="Create", command=self.create_the_folder)
 330         create_button.pack(side=tk.LEFT)
 331         cancel_button=tk.Button(button_frame, text="Cancel", command=self.cancel)
 332         cancel_button.pack(side=tk.RIGHT)
 333         button_frame.pack()
 334
 335
 336 class new_symlink():
 337     path_entry_box=0
 338     target_text=0
 339     new_text=0
 340     new_file_window=0
 341     def create_the_symlink(self):
 342         global mount_list_text_variable
 343         ##check the symlink's target is a file.
 344         target_path=self.target_text.get()
 345         new_path=self.new_text.get()
 346         print "creating a symlink \n target:", target_path
 347         target_file_exists=yaffs_access(target_path, 0) ##yaffs_access will return 0 on success and -1 on failure.
 348         if target_file_exists>=0:
 349             ##file exists,create symlink
 350             print "target file exist, creating symlink"
 351             yaffs_symlink(target_path, new_path)
 352             self.new_file_window.destroy()
 353         else :
 354             ##file does not exist
 355             print "target file does not exist, cannot create symlink"
 356
 357
 358
 359         load_dir()
 360
 361     def cancel(self):
 362         ##del self
 363         self.new_file_window.destroy()
 364     def __init__(self):
 365         global mount_list_text_variable
 366         self.new_file_window =tk.Toplevel(takefocus=True)
 367         target_frame=tk.Frame(self.new_file_window)
 368         target_label=tk.Label(target_frame, text="target")
 369         target_label.pack(side=tk.LEFT)
 370         self.target_text=tk.StringVar()
 371         self.target_text.set(mount_list_text_variable.get())
 372         #print "############################",mount_list_text_variable.get()
 373         self.target_entry_box= tk.Entry(target_frame, textvariable=self.target_text)
 374         self.target_entry_box.pack(side=tk.RIGHT)
 375         target_frame.pack()
 376
 377         new_frame=tk.Frame(self.new_file_window)
 378         new_label=tk.Label(new_frame, text="file path")
 379         new_label.pack(side=tk.LEFT)
 380         self.new_text=tk.StringVar()
 381         self.new_text.set(mount_list_text_variable.get())
 382         #print "############################",mount_list_text_variable.get()
 383         self.new_entry_box= tk.Entry(new_frame, textvariable=self.new_text)
 384         self.new_entry_box.pack(side=tk.RIGHT)
 385         new_frame.pack()
 386
 387         button_frame=tk.Frame(self.new_file_window)
 388         create_button=tk.Button(button_frame, text="Create", command=self.create_the_symlink)
 389         create_button.pack(side=tk.LEFT)
 390         cancel_button=tk.Button(button_frame, text="Cancel", command=self.cancel)
 391         cancel_button.pack(side=tk.RIGHT)
 392         button_frame.pack()
 393
 394
 395 ##mount list entry box init
 396 mount_list_frame=tk.Frame(root_window)
 397 mount_list_label=tk.Label(mount_list_frame, text="mount list")
 398 mount_list_label.pack(side=tk.RIGHT)
 399
 400 mount_list_entry_box= tk.Entry(mount_list_frame,textvariable=mount_list_text_variable)
 401 mount_list_entry_box.pack(side=tk.RIGHT)
 402 mount_list_frame.grid(row=1, column=0, columnspan=2)
 403
 404
 405 list_frame=tk.Frame(root_window)
 406 name_list_box=tk.Listbox(list_frame,exportselection=0, height=30, width=50)
 407 load_dir()
 408 list_frame.grid()
 409
 410 name_list_box.bind("<Double-Button-1>", load_command)
 411
 412 browser_menu_bar=tk.Menu(root_window)
 413 browser_file_menu=tk.Menu(browser_menu_bar)
 414
 415 browser_file_menu.add_command(label="Reload", command=load_dir)
 416 #browser_file_menu.add_command(label="Open")
 417 #browser_file_menu.add_command(label="Save")
 418 browser_menu_bar.add_cascade(label="File", menu=browser_file_menu)
 419 root_window.config(menu=browser_menu_bar)
 420
 421
 422 browser_edit_menu=tk.Menu(browser_menu_bar)
 423
 424 browser_edit_menu.add_command(label="New File", command=new_file)
 425 browser_edit_menu.add_command(label="New Folder", command=new_folder)
 426 browser_edit_menu.add_command(label="New Symlink", command=new_symlink)
 427
 428 browser_edit_menu.add_command(label="delete selected", command=delete_selected)
 429 browser_menu_bar.add_cascade(label="Edit", menu=browser_edit_menu)
 430
 431
 432
 433
 434
 435
 436 root_window.mainloop()
 437
 438 print"unmounting yaffs:", yaffs_unmount("yaffs2/")
 439
 440