Tasmota/tasmota/berry/modules/partition_wizard.be

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#######################################################################
# Partition Wizard for ESP32 - ESP32C3 - ESP32S2
#
# use : `import partition_wizard`
#
# Provides low-level objects and a Web UI
# rm Partition_Wizard.tapp; zip Partition_Wizard.tapp -j -0 Partition_Wizard/*
#######################################################################
var partition_wizard = module('partition_wizard')
#################################################################################
# Partition_wizard_UI
#
# WebUI for the partition manager
#################################################################################
class Partition_wizard_UI
static app_size_min = 832 # Min OTA size - let's set it at a safe 896KB for minimal Tasmota32 with TLS
static app_size_max = 3072 # Max OTA size - (4096 - 896 - 128)
static _default_safeboot_URL = "http://ota.tasmota.com/tasmota32/release/tasmota32%s-safeboot.bin"
def init()
import persist
if persist.find("factory_migrate") == true
# remove marker to avoid bootloop if something goes wrong
persist.remove("factory_migrate")
persist.save()
# continue the migration process 5 seconds after Wifi is connected
def continue_after_5s()
tasmota.remove_rule("parwiz_5s") # first remove rule to avoid firing it again at Wifi reconnect
tasmota.set_timer(5000, /-> self.do_safeboot_partitioning()) # delay by 5 s
end
tasmota.add_rule("Wifi#Connected=1", continue_after_5s, "parwiz_5s")
end
end
def default_safeboot_URL()
import string
var arch_sub = tasmota.arch()
if arch_sub[0..4] == "esp32"
arch_sub = arch_sub[5..] # get the esp32 variant
end
return string.format(self._default_safeboot_URL, arch_sub)
end
# create a method for adding a button to the main menu
# the button 'Partition Wizard' redirects to '/part_wiz?'
def web_add_button()
import webserver
webserver.content_send(
"<form id=but_part_mgr style='display: block;' action='part_wiz' method='get'><button>Partition Wizard</button></form><p></p>")
end
#- ---------------------------------------------------------------------- -#
#- Get fs unallocated size
#- ---------------------------------------------------------------------- -#
def get_unallocated_k(p)
var last_slot = p.slots[-1]
if last_slot.is_spiffs()
# verify that last slot is filesystem
var flash_size_k = self.get_max_flash_size_k(p)
var partition_end_k = (last_slot.start + last_slot.size) / 1024 # last kb used for fs
if partition_end_k < flash_size_k
return flash_size_k - partition_end_k
end
end
return 0
end
#- ---------------------------------------------------------------------- -#
#- Get max fs start address when expanded to maximum
#- ---------------------------------------------------------------------- -#
def get_max_fs_start_k(p)
var last_slot = p.slots[-1]
if last_slot.is_spiffs() # verify that last slot is filesystem
# get end of previous partition slot
var last_app = p.slots[-2]
# round upper 64kB
var max_fs_start_k = 64 * (((last_app.start + last_app.get_image_size() + 1023) / 1024 + 63) / 64)
return max_fs_start_k
end
return 0
end
#- ---------------------------------------------------------------------- -#
#- Get max falsh size
#
# Takes into account that the flash size written may not be accurate
# and the flash chip may be larger
#- ---------------------------------------------------------------------- -#
def get_max_flash_size_k(p)
var flash_size_k = tasmota.memory()['flash']
var flash_size_real_k = tasmota.memory().find("flash_real", flash_size_k)
if (flash_size_k != flash_size_real_k) && self.get_flash_definition_sector(p) != nil
flash_size_k = flash_size_real_k # try to expand the flash size definition
end
return flash_size_k
end
#- ---------------------------------------------------------------------- -#
#- Resize flash definition if needed
#- ---------------------------------------------------------------------- -#
def resize_max_flash_size_k(p)
var flash_size_k = tasmota.memory()['flash']
var flash_size_real_k = tasmota.memory().find("flash_real", flash_size_k)
var flash_definition_sector = self.get_flash_definition_sector(p)
if (flash_size_k != flash_size_real_k) && flash_definition_sector != nil
import flash
import string
flash_size_k = flash_size_real_k # try to expand the flash size definition
var flash_def = flash.read(flash_definition_sector, 4)
var size_before = flash_def[3]
var flash_size_code
var flash_size_real_m = flash_size_real_k / 1024 # size in MB
if flash_size_real_m == 1 flash_size_code = 0x00
elif flash_size_real_m == 2 flash_size_code = 0x10
elif flash_size_real_m == 4 flash_size_code = 0x20
elif flash_size_real_m == 8 flash_size_code = 0x30
elif flash_size_real_m == 16 flash_size_code = 0x40
end
if flash_size_code != nil
# apply the update
var old_def = flash_def[3]
flash_def[3] = (flash_def[3] & 0x0F) | flash_size_code
flash.write(flash_definition_sector, flash_def)
tasmota.log(string.format("UPL: changing flash definition from 0x02X to 0x%02X", old_def, flash_def[3]), 3)
else
raise "internal_error", "wrong flash size "+str(flash_size_real_m)
end
end
end
#- ---------------------------------------------------------------------- -#
#- Get current fs size
#- ---------------------------------------------------------------------- -#
def get_cur_fs_size_k(p)
var last_slot = p.slots[-1]
if last_slot.is_spiffs() # verify that last slot is filesystem
return (last_slot.size + 1023) / 1024
end
return 0
end
#- ---------------------------------------------------------------------- -#
#- Get flash sector for flash chip definition
# It appears to be at 0x1000 for ESP32, but at 0x0000 for ESP32C3/S3
#
# returns offset of sector containing flash information
# or `nil` if not found
#
# Internally looks first at 0x0000 then at 0x1000 for magic byte
#- ---------------------------------------------------------------------- -#
def get_flash_definition_sector(p)
import flash
for i:0..1
var offset = i * 0x1000
if flash.read(offset, 1) == bytes('E9') return offset end
end
end
#- ---------------------------------------------------------------------- -#
#- Propose to resize FS to max if some memory in unallocated
#- ---------------------------------------------------------------------- -#
def show_resize_fs(p)
import webserver
import string
var unallocated = self.get_unallocated_k(p)
# if there is unallocated space, propose only to claim it
if unallocated > 0
webserver.content_send("<fieldset><legend><b>&nbsp;Resize FS to max&nbsp;</b></legend><p></p>")
webserver.content_send(string.format("<p>You can expand the file system by %i KB.<br>Its content will be lost.</p>", unallocated))
webserver.content_send("<form action='/part_wiz' method='post' ")
webserver.content_send("onsubmit='return confirm(\"This will DELETE the content of the file system and cause a restart.\");'>")
webserver.content_send("<p></p><button name='max_fs' class='button bred'>Resize FS to max</button></form></p>")
webserver.content_send("<p></p></fieldset><p></p>")
elif self.has_factory_layout(p)
# else propose to expand or shrink the file system
var max_fs_start_k = self.get_max_fs_start_k(p)
var flash_size_k = self.get_max_flash_size_k()
var fs_max_size_k = flash_size_k - max_fs_start_k
var current_fs_size_k = self.get_cur_fs_size_k(p)
#print(string.format(">>> max_fs_start_k=0x%X flash_size_k=0x%X fs_max_size_k=%i current_fs_size_k=%i", max_fs_start_k, flash_size_k, fs_max_size_k, current_fs_size_k))
if max_fs_start_k > 0 && fs_max_size_k > 64
webserver.content_send("<fieldset><legend><b>&nbsp;Resize FS&nbsp;</b></legend><p></p>")
webserver.content_send("<p>You can expand of shrink the file system.<br>Its content will be lost.</p>")
webserver.content_send("<form action='/part_wiz' method='post' ")
webserver.content_send("onsubmit='return confirm(\"This will DELETE the content of the file system and cause a restart.\");'>")
webserver.content_send(string.format("<input type='number' min='64' max='%d' step='64' name='fs_size' value='%i'>", fs_max_size_k, current_fs_size_k))
webserver.content_send("<p></p><button name='resize_fs' class='button bred'>Resize FS</button></form></p>")
webserver.content_send("<p></p></fieldset><p></p>")
end
end
end
#- ---------------------------------------------------------------------- -#
#- Tests for factory layout
#- ---------------------------------------------------------------------- -#
# Returns if the device already has a factory layout:
# devices has 1 factory partition
# device has at least 1 OTA partition
# last partition is FS
#
# returns true or false
def has_factory_layout(p)
return p.has_factory() && p.ota_max() != nil && p.slots[-1].is_spiffs()
end
#- ---------------------------------------------------------------------- -#
#- Tests for factory migration
#- ---------------------------------------------------------------------- -#
# Returns if the device is eligible for a migration to factory layout:
# devices has 2x OTA partitions
# device has no factory partition
#
# returns true or false
def factory_migrate_eligible(p)
if p.ota_max() <= 0 return false end # device does not have 2x OTA
if p.get_factory_slot() != nil return false end
if !p.slots[-1].is_spiffs() return false end
return true # device does not have factory partition
end
# ----------------------------------------------------------------------
# Step 1:
# - pre-condition:
# factory_migrate_eligible(p) returns true
# - DONE state:
# boot on `app1`
# - READY state:
# boot on `app0`
# - Needed steps:
# check that `app1` is large enough for firmware in `app0`
# copy `app0` to `app1`
# restart on `app1`
# set continuation marker in persist to continue migration process at next boto
#
# Returns:
# - false if READY
# - true if DONE
# - string if ERROR, indicating the error
def test_step_1(p)
import string
if !self.factory_migrate_eligible(p) return "not eligible to migration" end
var cur_part = p.otadata.active_otadata # -1=factory 0=ota_0 1=ota_1...
if cur_part == 1 return true end
if cur_part != 0 return string.format("active_otadata=%i", cur_part) end # unsupported configuration
# current partition is `app0`
# get size of firmware in `app0` and check if it fits on `app1`
var app0 = p.get_ota_slot(0)
var app1 = p.get_ota_slot(0)
var app0_firmware_size = (app0 != nil) ? app0.get_image_size() : -1
var app1_size = (app1 != nil) ? app1.size : -1
if app0_firmware_size < 0 || app1_size < 0 return "can't find app0/1 sizes" end
if app0_firmware_size >= app1_size return "`app1` is too small" end
return false
end
# ----------------------------------------------------------------------
# Step 2:
# - pre-condition:
# factory_migrate_eligible(p) returns true
# - DONE state:
# `safeboot` flashed to `app0`
# `safeboot` is smaller than 832KB
# - READY state:
# false `safeboot` to `app0`
# - Needed steps:
# get `safeboot` URL
# check that `app0` is large enough for `safeboot`
# check that `safeboot` is smaller than 832KB
# flash `safeboot` on `app0`
#
# Returns:
# - false if READY
# - true if DONE
# - string if ERROR, indicating the error
def test_step_2(p)
import string
if !self.factory_migrate_eligible(p) return "not eligible to migration" end
var app0 = p.get_ota_slot(0)
if app0.size < (self.app_size_min * 1024) return "`app0` is too small for `safeboot`" end
var app0_image_size = app0.get_image_size()
if (app0_image_size > 0) && (app0_image_size < (self.app_size_min * 1024)) return true end
return false
end
# ----------------------------------------------------------------------
# Step 3:
# - pre-condition:
# booted on `app1` and `safeboot` flashed to `app0`
# - DONE state:
# Partition map is:
# `factory` with `safeboot` flashed, sized to 832KB
# `app0` resized to take all the remaining size but empty
# - READY state:
# `app0` is flashed with `safeboot`
# - Needed steps:
# `app0` renamed to `safeboot`
# `app0` changed subtype to `factory`
# `app1` moved to right after `factory` and resized
# `app1` chaned subtype to `app0` and renamed `app0`
#
# Returns:
# - false if READY
# - true if DONE
# - string if ERROR, indicating the error
def test_step_3(p)
import string
if !self.factory_migrate_eligible(p) return "not eligible to migration" end
return false
# var app0 = p.get_ota_slot(0)
# if app0.get_image_size() > (self.app_size_min * 1024) return "`app0` is too small for `safeboot`" end
end
# ----------------------------------------------------------------------
# Step 4:
# - pre-condition:
#
# Returns:
# - false if READY
# - true if DONE
# - string if ERROR, indicating the error
def test_step_4(p)
import string
return false
# var app0 = p.get_ota_slot(0)
# if app0.get_image_size() > (self.app_size_min * 1024) return "`app0` is too small for `safeboot`" end
end
static def copy_ota(from_addr, to_addr, size)
import flash
import string
var size_left = size
var offset = 0
tasmota.log(string.format("UPL: Copy flash from 0x%06X to 0x%06X (size: %ikB)", from_addr, to_addr, size / 1024), 2)
while size_left > 0
var b = flash.read(from_addr + offset, 4096)
flash.erase(to_addr + offset, 4096)
flash.write(to_addr + offset, b, true)
size_left -= 4096
offset += 4096
if ((offset-4096) / 102400) < (offset / 102400)
tasmota.log(string.format("UPL: Progress %ikB", offset/1024), 3)
end
end
tasmota.log("UPL: done", 2)
end
def do_step_1(p)
var step1_state = self.test_step_1(p)
if step1_state == true return true end
if type(step1_state) == 'string)' raise "internal_error", step1_state end
# copy firmware frop `app0` to `app1`
var app0 = p.get_ota_slot(0)
var app1 = p.get_ota_slot(1)
var app0_size = app0.get_image_size()
if app0_size > app1.size raise "internal_error", "`app1` too small to copy firmware form `app0`" end
self.copy_ota(app0.start, app1.start, app0_size)
p.set_active(1)
p.save()
tasmota.log("UPL: restarting on `app1`", 2)
tasmota.cmd("Restart 1")
end
def do_step_2(p, safeboot_url)
import string
if safeboot_url == nil || safeboot_url == ""
safeboot_url = self.default_safeboot_URL()
tasmota.log("UPL: no `safeboot` URL, defaulting to "+safeboot_url, 2)
end
var step2_state = self.test_step_2(p)
if step2_state == true return true end
if type(step2_state) == 'string)' raise "internal_error", step2_state end
if safeboot_url == nil || size(safeboot_url) == 0 raise "internal_error", "wrong safeboot URL "+str(safeboot_url) end
var cl = webclient()
cl.begin(safeboot_url)
var r = cl.GET()
if r != 200 raise "network_error", "GET returned "+str(r) end
var safeboot_size = cl.get_size()
if safeboot_size <= 500000 raise "internal_error", "wrong safeboot size "+str(safeboot_size) end
if safeboot_size > (self.app_size_min * 1024) raise "internal_error", "safeboot is too large "+str(safeboot_size / 1024)+"kB" end
tasmota.log(string.format("UPL: flashing `safeboot` from %s %ikB", safeboot_url, (safeboot_size / 1024) + 1), 2)
var app0 = p.get_ota_slot(0)
if app0.start != 0x10000 raise "internal_error", "`app0` offset is not 0x10000" end
cl.write_flash(app0.start)
cl.close()
return true
end
def do_step_3(p)
import string
import flash
var step3_state = self.test_step_3(p)
if step3_state == true return true end
if type(step3_state) == 'string)' raise "internal_error", step3_state end
var app0 = p.get_ota_slot(0)
var app1 = p.get_ota_slot(1)
if app0 == nil || app1 == nil raise "internal_error", "there are no `app0` or `app1` partitions" end
var factory_size = self.app_size_min * 1024
var firm0_size = app0.get_image_size()
if firm0_size <= 0 raise "internal_error", "invalid size in app0 partition" end
if firm0_size >= factory_size raise "internal_error", "app0 partition is too big for factory" end
# do the change
app0.subtype = 0 # factory subtype
app0.size = factory_size
app0.label = 'safeboot'
app1.subtype = 0x10 # app1 becomes app0
app1.label = 'app0'
var f1_start = app1.start
app1.start = app0.start + factory_size
app1.size += f1_start - app1.start
# swicth partitions
p.set_active(0)
p.save()
p.switch_factory(true)
tasmota.cmd("Restart 1")
return true
end
# display the step state DONE/READY/ERROR with color and either step description or error message
# arg
# state: true=DONE, false=READY, string=ERROR with message
# msg: description if DONE or READY
# returns HTML string
def display_step_state(state, msg)
if state == true
return "<span style='color:#0F0'>DONE</span> "+msg
elif state == false
return "<span style='color:#FA0'>READY</span> "+msg
else
return "<span style='color:#F00'>ERROR</span> "+str(state)
end
end
#- ---------------------------------------------------------------------- -#
#- Show page to migrate to factory layout + single OTA
#- ---------------------------------------------------------------------- -#
def show_migrate_to_factory(p)
# display ota partitions
import webserver
import string
if !self.factory_migrate_eligible(p) return end
webserver.content_send("<fieldset><legend><b>&nbsp;Migrate to safeboot partition layout&nbsp;</b></legend><p></p>")
webserver.content_send("<p>The `safeboot` layout allows for increased size<br>of firmware or file-system.</p>")
webserver.content_send("<p>Please see <a href='https://tasmota.github.io/docs/Safeboot/' target='_blank'>Safeboot layout documentation</a></p>")
webserver.content_send("<p>&nbsp;</p>")
webserver.content_send(string.format("<p>Step 1: %s</p>", self.display_step_state(self.test_step_1(p), "boot on `app1`")))
webserver.content_send(string.format("<p>Step 2: %s</p>", self.display_step_state(self.test_step_2(p), "flash `safeboot` to `app0`")))
webserver.content_send(string.format("<p>Step 3: %s</p>", self.display_step_state(self.test_step_3(p), "change partition map")))
webserver.content_send(string.format("<p>Step 4: %s</p>", self.display_step_state(self.test_step_4(p), "flash final firmware")))
webserver.content_send("<form action='/part_wiz' method='post' ")
webserver.content_send("onsubmit='return confirm(\"This will causes multiple restarts.\");'>")
var ota_url = tasmota.cmd("OtaUrl").find("OtaUrl", "")
webserver.content_send(string.format("<br><b>OTA Url</b><br><input id='o1' placeholder='OTA_URL' value='%s'><br>",
ota_url))
import persist
var safeboot_url = persist.find("safeboot_url", self.default_safeboot_URL())
webserver.content_send(string.format("<br><b>SAFEBOOT Url</b> (don't change)<input id='o2' placeholder='SAFEBOOT_URL' value='%s'><br>",
safeboot_url))
webserver.content_send("<p></p><button name='factory' class='button bred'>Start migration</button></form></p>")
webserver.content_send("<p></p></fieldset><p></p>")
end
#- ---------------------------------------------------------------------- -#
#- Show each partition one after the other - only OTA and SPIFFS
#- ---------------------------------------------------------------------- -#
def show_current_partitions(p)
# display ota partitions
import webserver
import string
var cur_part = p.otadata.active_otadata # -1=factory 0=ota_0 1=ota_1...
webserver.content_send("<fieldset><legend><b>&nbsp;Current partitions&nbsp;</b></legend><p></p><table>")
# don't show <sys> portion
#webserver.content_send("<tr><td title='offset:0x000000 size:0x010000'>&lt;sys&gt;:&nbsp;</td><td align='right'> 64 KB</td></tr>")
for slot:p.slots
var is_ota = slot.is_ota()
var is_factory = slot.is_factory()
if (is_ota != nil) || is_factory # display only partitions with app type
var current_boot_partition = (is_ota == cur_part) || (is_factory && cur_part == -1)
var usage_str = "unknown"
var used = slot.get_image_size()
if (used >= 0) && (used <= slot.size)
usage_str = string.format("used %i%%", ((used / 1024) * 100) / (slot.size / 1024))
end
var title = string.format("%ssubtype:%s offset:0x%06X size:0x%06X", current_boot_partition ? "booted " : "", slot.subtype_to_string(), slot.start, slot.size)
var col_before = ""
var col_after = ""
if current_boot_partition
col_before = "<span style='color:#0F0'>["
col_after = "]</span>"
end
# webserver.content_send(string.format("<p><b>%s</b> [%s]: %i KB (%s)</p>", slot.label, slot.subtype_to_string(), slot.size / 1024, usage_str))
webserver.content_send(string.format("<tr><td title='%s'><b>%s%s%s</b>:&nbsp;</td><td align='right'> %i KB </td><td>&nbsp;(%s)</td></tr>",
title, col_before, slot.label, col_after, slot.size / 1024, usage_str))
elif slot.is_spiffs()
# spiffs partition
var title = string.format("subtype:%s offset:0x%06X size:0x%06X", slot.subtype_to_string(), slot.start, slot.size)
webserver.content_send(string.format("<tr><td title='%s'><b>fs</b>:&nbsp;</td><td align='right'> %i KB</td></tr>", title, slot.size / 1024))
end
end
var unallocated = self.get_unallocated_k(p)
if unallocated > 0
var last_slot = p.slots[-1]
# verify that last slot is file-system
var partition_end_k = (last_slot.start + last_slot.size) / 1024 # last kb used for fs
webserver.content_send(string.format("<tr><td title='offset:0x%06X size:0x%06X'>&lt;free&gt;:&nbsp;</td><td align='right'> %i KB</td></tr>",
partition_end_k * 1024, unallocated * 1024, unallocated))
end
webserver.content_send("</table>")
# display if layout is factory
if self.has_factory_layout(p)
webserver.content_send("<p>This device uses the <a href='https://tasmota.github.io/docs/Safeboot/' target='_blank'>Safeboot</a> layout</p>")
end
webserver.content_send("</fieldset><p></p>")
end
#######################################################################
# Display the complete page
#######################################################################
def page_part_mgr()
import webserver
import string
import partition_core
if !webserver.check_privileged_access() return nil end
var p = partition_core.Partition() # load partition layout
webserver.content_start("Partition Wizard") #- title of the web page -#
webserver.content_send_style() #- send standard Tasmota styles -#
if webserver.has_arg("wait")
webserver.content_send("<p>Migration process will start in 5 seconds<br>Magic is happening, leave device alone for 3 minutes.</p>")
webserver.content_button(webserver.BUTTON_MAIN) #- button back to main page -#
else
webserver.content_send("<p style='width:320px;'><b style='color:#f56'>Warning:</b> actions below can brick your device.</p>")
self.show_current_partitions(p)
self.show_resize_fs(p)
# show page for migration to factory
self.show_migrate_to_factory(p)
webserver.content_button(webserver.BUTTON_MANAGEMENT) #- button back to management page -#
end
webserver.content_stop() #- end of web page -#
end
#######################################################################
# Web Controller, called by POST to `/part_wiz`
#######################################################################
def page_part_ctl()
import webserver
if !webserver.check_privileged_access() return nil end
import string
import partition_core
import persist
#- check that the partition is valid -#
var p = partition_core.Partition()
try
#---------------------------------------------------------------------#
# Resize FS to max
#---------------------------------------------------------------------#
if webserver.has_arg("max_fs")
var unallocated = self.get_unallocated_k(p)
if unallocated <= 0 raise "value_error", "FS already at max size" end
self.resize_max_flash_size_k(p) # resize if needed
# since unallocated succeeded, we know the last slot is FS
var fs_slot = p.slots[-1]
fs_slot.size += unallocated * 1024
p.save()
p.invalidate_spiffs() # erase SPIFFS or data is corrupt
#- and force restart -#
webserver.redirect("/?rst=")
#---------------------------------------------------------------------#
# Resize FS to arbitrary size
#---------------------------------------------------------------------#
elif webserver.has_arg("resize_fs")
if !self.has_factory_layout(p) raise "internal_error", "Device does not avec safeboot layout" end
var fs = p.slots[-1]
var last_app = p.slots[-2]
if (last_app.get_image_size() <= 0) raise "internal_error", "last `app` partition has no firmware" end
var max_fs_start_k = self.get_max_fs_start_k(p)
var flash_size_k = self.get_max_flash_size_k(p)
var fs_max_size_k = flash_size_k - max_fs_start_k
var current_fs_size_k = self.get_cur_fs_size_k(p)
var fs_target = int(webserver.arg("fs_size"))
if (fs_target < 64) || (fs_target > fs_max_size_k) raise "value_error", string.format("Invalid FS #%d", fs_target) end
# apply the change
# shrink last OTA App
var delta = (fs_target * 1024) - fs.size
last_app.size -= delta
# move fs
fs.start -= delta
fs.size += delta
p.save()
p.invalidate_spiffs()
#- and force restart -#
webserver.redirect("/?rst=")
#---------------------------------------------------------------------#
# Switch OTA partition from one to another
#---------------------------------------------------------------------#
elif webserver.has_arg("factory")
var ota_url = webserver.arg("o1")
var safeboot_url = webserver.arg("o2")
if safeboot_url != nil && safeboot_url != ""
persist.safeboot_url = safeboot_url
persist.save()
end
if ota_url != nil && ota_url != ""
tasmota.cmd("OtaUrl "+ota_url)
end
tasmota.set_timer(5000, /-> self.do_safeboot_partitioning())
webserver.redirect("/part_wiz?wait=")
else
raise "value_error", "Unknown command"
end
except .. as e, m
tasmota.log(string.format("BRY: Exception> '%s' - %s", e, m), 2)
#- display error page -#
webserver.content_start("Parameter error") #- title of the web page -#
webserver.content_send_style() #- send standard Tasmota styles -#
webserver.content_send(string.format("<p style='width:340px;'><b>Exception:</b><br>'%s'<br>%s</p>", e, m))
# webserver.content_send("<p></p></fieldset><p></p>")
webserver.content_button(webserver.BUTTON_MANAGEMENT) #- button back to management page -#
webserver.content_stop() #- end of web page -#
end
end
#---------------------------------------------------------------------#
# Apply the repartitioning process
#---------------------------------------------------------------------#
# returns:
# `true`: already completed
# `false`: in progress
# string: error with description of error
def do_safeboot_partitioning()
import webserver
import string
import partition_core
var p = partition_core.Partition() # load partition layout
if !self.factory_migrate_eligible(p) return true end
# STEP 1
var step1_state = self.test_step_1(p)
if type(step1_state) == 'string' return step1_state end
if step1_state == false
import persist
tasmota.log("UPL: Starting step 1", 2)
try
self.do_step_1(p)
except .. as e, m
tasmota.log(string.format("UPL: error (%s) %s", e, m), 2)
return m
end
persist.factory_migrate = true
persist.save()
return false
end
tasmota.log("UPL: Step 1 Done", 2)
# STEP 2
var step2_state = self.test_step_2(p)
if type(step2_state) == 'string' return step2_state end
if step2_state == false
tasmota.log("UPL: Starting step 2", 2)
import persist
var safeboot_url = persist.find("safeboot_url")
try
self.do_step_2(p, safeboot_url)
except .. as e, m
tasmota.log(string.format("UPL: error (%s) %s", e, m), 2)
return m
end
end
tasmota.log("UPL: Step 2 Done", 2)
# STEP 3
var step3_state = self.test_step_3(p)
if type(step3_state) == 'string' return step3_state end
if step3_state == false
tasmota.log("UPL: Starting step 3", 2)
try
self.do_step_3(p)
except .. as e, m
tasmota.log(string.format("UPL: error (%s) %s", e, m), 2)
return m
end
end
tasmota.log("UPL: Step 3 Done", 2)
# STEP 4
# Nothing to do, it's automatic
return false
end
#- ---------------------------------------------------------------------- -#
# respond to web_add_handler() event to register web listeners
#- ---------------------------------------------------------------------- -#
#- this is called at Tasmota start-up, as soon as Wifi/Eth is up and web server running -#
def web_add_handler()
import webserver
#- we need to register a closure, not just a function, that captures the current instance -#
webserver.on("/part_wiz", / -> self.page_part_mgr(), webserver.HTTP_GET)
webserver.on("/part_wiz", / -> self.page_part_ctl(), webserver.HTTP_POST)
end
end
partition_wizard.Partition_wizard_UI = Partition_wizard_UI
#- create and register driver in Tasmota -#
if tasmota
import partition_core
var partition_wizard_ui = partition_wizard.Partition_wizard_UI()
tasmota.add_driver(partition_wizard_ui)
## can be removed if put in 'autoexec.bat'
partition_wizard_ui.web_add_handler()
end
return partition_wizard
#- Example
import partition
# read
p = partition.Partition()
print(p)
-#