mirror of
https://github.com/OCA/report-print-send.git
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358 lines
15 KiB
Python
358 lines
15 KiB
Python
# Copyright (C) 2016 SYLEAM (<http://www.syleam.fr>)
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# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
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import time
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import base64
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import datetime
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import io
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import logging
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import requests
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from PIL import Image, ImageOps
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from odoo import api, exceptions, fields, models, _
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from odoo.tools.safe_eval import safe_eval
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_logger = logging.getLogger(__name__)
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try:
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import zpl2
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except ImportError:
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_logger.debug('Cannot `import zpl2`.')
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class PrintingLabelZpl2(models.Model):
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_name = 'printing.label.zpl2'
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_description = 'ZPL II Label'
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_order = 'model_id, name, id'
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name = fields.Char(required=True, help='Label Name.')
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active = fields.Boolean(default=True)
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description = fields.Char(help='Long description for this label.')
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model_id = fields.Many2one(
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comodel_name='ir.model', string='Model', required=True,
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help='Model used to print this label.')
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origin_x = fields.Integer(
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required=True, default=10,
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help='Origin point of the contents in the label, X coordinate.')
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origin_y = fields.Integer(
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required=True, default=10,
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help='Origin point of the contents in the label, Y coordinate.')
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width = fields.Integer(
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required=True, default=480,
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help='Width of the label, will be set on the printer before printing.')
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component_ids = fields.One2many(
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comodel_name='printing.label.zpl2.component', inverse_name='label_id',
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string='Label Components',
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help='Components which will be printed on the label.')
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restore_saved_config = fields.Boolean(
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string="Restore printer's configuration",
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help="Restore printer's saved configuration and end of each label ",
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default=True)
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action_window_id = fields.Many2one(
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comodel_name='ir.actions.act_window', string='Action', readonly=True)
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test_print_mode = fields.Boolean(string='Mode Print')
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test_labelary_mode = fields.Boolean(string='Mode Labelary')
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record_id = fields.Integer(string='Record ID', default=1)
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extra = fields.Text(string="Extra", default='{}')
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printer_id = fields.Many2one(
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comodel_name='printing.printer', string='Printer')
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labelary_image = fields.Binary(string='Image from Labelary', readonly=True)
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labelary_dpmm = fields.Selection(
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selection=[
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('6dpmm', '6dpmm (152 pdi)'),
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('8dpmm', '8dpmm (203 dpi)'),
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('12dpmm', '12dpmm (300 pdi)'),
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('24dpmm', '24dpmm (600 dpi)'),
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], string='Print density', required=True, default='8dpmm')
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labelary_width = fields.Float(string='Width in mm', default=140)
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labelary_height = fields.Float(string='Height in mm', default=70)
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def _generate_zpl2_components_data(
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self, label_data, record, page_number=1, page_count=1,
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label_offset_x=0, label_offset_y=0, **extra):
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self.ensure_one()
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# Add all elements to print in a list of tuples :
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# [(component, data, offset_x, offset_y)]
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to_print = []
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for component in self.component_ids:
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eval_args = extra
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eval_args.update({
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'object': record,
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'page_number': str(page_number + 1),
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'page_count': str(page_count),
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'time': time,
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'datetime': datetime,
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})
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data = safe_eval(component.data, eval_args) or ''
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# Generate a list of elements if the component is repeatable
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for idx in range(
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component.repeat_offset,
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component.repeat_offset + component.repeat_count):
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printed_data = data
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# Pick the right value if data is a collection
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if isinstance(data, (list, tuple, set, models.BaseModel)):
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# If we reached the end of data, quit the loop
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if idx >= len(data):
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break
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# Set the real data to display
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printed_data = data[idx]
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position = idx - component.repeat_offset
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to_print.append((
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component, printed_data,
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label_offset_x + component.repeat_offset_x * position,
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label_offset_y + component.repeat_offset_y * position,
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))
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for (component, data, offset_x, offset_y) in to_print:
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component_offset_x = component.origin_x + offset_x
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component_offset_y = component.origin_y + offset_y
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if component.component_type == 'text':
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barcode_arguments = dict([
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(field_name, component[field_name])
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for field_name in [
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zpl2.ARG_FONT,
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zpl2.ARG_ORIENTATION,
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zpl2.ARG_HEIGHT,
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zpl2.ARG_WIDTH,
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zpl2.ARG_REVERSE_PRINT,
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zpl2.ARG_IN_BLOCK,
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zpl2.ARG_BLOCK_WIDTH,
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zpl2.ARG_BLOCK_LINES,
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zpl2.ARG_BLOCK_SPACES,
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zpl2.ARG_BLOCK_JUSTIFY,
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zpl2.ARG_BLOCK_LEFT_MARGIN,
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]
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])
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label_data.font_data(
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component_offset_x, component_offset_y,
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barcode_arguments, data)
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elif component.component_type == 'zpl2_raw':
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label_data._write_command(data)
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elif component.component_type == 'rectangle':
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label_data.graphic_box(
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component_offset_x, component_offset_y, {
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zpl2.ARG_WIDTH: component.width,
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zpl2.ARG_HEIGHT: component.height,
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zpl2.ARG_THICKNESS: component.thickness,
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zpl2.ARG_COLOR: component.color,
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zpl2.ARG_ROUNDING: component.rounding,
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})
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elif component.component_type == 'diagonal':
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label_data.graphic_diagonal_line(
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component_offset_x, component_offset_y, {
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zpl2.ARG_WIDTH: component.width,
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zpl2.ARG_HEIGHT: component.height,
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zpl2.ARG_THICKNESS: component.thickness,
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zpl2.ARG_COLOR: component.color,
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zpl2.ARG_DIAGONAL_ORIENTATION:
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component.diagonal_orientation,
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})
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elif component.component_type == 'graphic':
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image = component.graphic_image or data
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pil_image = Image.open(io.BytesIO(
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base64.b64decode(image))).convert('RGB')
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if component.width and component.height:
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pil_image = pil_image.resize(
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(component.width, component.height))
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# Invert the colors
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if component.reverse_print:
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pil_image = ImageOps.invert(pil_image)
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# Rotation (PIL rotates counter clockwise)
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if component.orientation == zpl2.ORIENTATION_ROTATED:
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pil_image = pil_image.transpose(Image.ROTATE_270)
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elif component.orientation == zpl2.ORIENTATION_INVERTED:
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pil_image = pil_image.transpose(Image.ROTATE_180)
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elif component.orientation == zpl2.ORIENTATION_BOTTOM_UP:
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pil_image = pil_image.transpose(Image.ROTATE_90)
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label_data.graphic_field(
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component_offset_x, component_offset_y,
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pil_image
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)
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elif component.component_type == 'circle':
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label_data.graphic_circle(
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component_offset_x, component_offset_y, {
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zpl2.ARG_DIAMETER: component.width,
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zpl2.ARG_THICKNESS: component.thickness,
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zpl2.ARG_COLOR: component.color,
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})
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elif component.component_type == 'sublabel':
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component_offset_x += component.sublabel_id.origin_x
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component_offset_y += component.sublabel_id.origin_y
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component.sublabel_id._generate_zpl2_components_data(
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label_data, data,
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label_offset_x=component_offset_x,
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label_offset_y=component_offset_y)
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else:
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if component.component_type == zpl2.BARCODE_QR_CODE:
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# Adding Control Arguments to QRCode data Label
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data = '{}A,{}'.format(component.error_correction, data)
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barcode_arguments = dict([
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(field_name, component[field_name])
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for field_name in [
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zpl2.ARG_ORIENTATION,
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zpl2.ARG_CHECK_DIGITS,
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zpl2.ARG_HEIGHT,
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zpl2.ARG_INTERPRETATION_LINE,
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zpl2.ARG_INTERPRETATION_LINE_ABOVE,
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zpl2.ARG_SECURITY_LEVEL,
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zpl2.ARG_COLUMNS_COUNT,
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zpl2.ARG_ROWS_COUNT,
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zpl2.ARG_TRUNCATE,
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zpl2.ARG_MODULE_WIDTH,
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zpl2.ARG_BAR_WIDTH_RATIO,
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zpl2.ARG_MODEL,
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zpl2.ARG_MAGNIFICATION_FACTOR,
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zpl2.ARG_ERROR_CORRECTION,
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zpl2.ARG_MASK_VALUE,
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]
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])
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label_data.barcode_data(
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component.origin_x + offset_x,
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component.origin_y + offset_y,
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component.component_type, barcode_arguments, data)
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def _generate_zpl2_data(self, record, page_count=1, **extra):
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self.ensure_one()
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label_data = zpl2.Zpl2()
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labelary_emul = extra.get('labelary_emul', False)
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for page_number in range(page_count):
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# Initialize printer's configuration
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label_data.label_start()
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if not labelary_emul:
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label_data.print_width(self.width)
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label_data.label_encoding()
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label_data.label_home(self.origin_x, self.origin_y)
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self._generate_zpl2_components_data(
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label_data, record, page_number=page_number,
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page_count=page_count, **extra)
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# Restore printer's configuration and end the label
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if self.restore_saved_config:
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label_data.configuration_update(zpl2.CONF_RECALL_LAST_SAVED)
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label_data.label_end()
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return label_data.output()
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def print_label(self, printer, record, page_count=1, **extra):
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for label in self:
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if record._name != label.model_id.model:
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raise exceptions.UserError(
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_('This label cannot be used on {model}').format(
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model=record._name))
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# Send the label to printer
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label_contents = label._generate_zpl2_data(
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record, page_count=page_count, **extra)
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printer.print_document(
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report=None, content=label_contents, doc_format='raw')
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return True
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def create_action(self):
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for label in self.filtered(lambda record: not record.action_window_id):
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label.action_window_id = self.env['ir.actions.act_window'].create({
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'name': _('Print Label'),
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'src_model': label.model_id.model,
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'binding_model_id': label.model_id.id,
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'res_model': 'wizard.print.record.label',
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'view_mode': 'form',
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'target': 'new',
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'binding_type': 'action',
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})
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return True
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def unlink_action(self):
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self.mapped('action_window_id').unlink()
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def import_zpl2(self):
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self.ensure_one()
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return {
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'view_type': 'form',
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'view_mode': 'form',
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'res_model': 'wizard.import.zpl2',
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'type': 'ir.actions.act_window',
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'target': 'new',
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'context': {'default_label_id': self.id},
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}
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def _get_record(self):
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self.ensure_one()
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Obj = self.env[self.model_id.model]
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record = Obj.search([('id', '=', self.record_id)], limit=1)
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if not record:
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record = Obj.search([], limit=1, order='id desc')
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self.record_id = record.id
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return record
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def print_test_label(self):
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for label in self:
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if label.test_print_mode and label.record_id and label.printer_id:
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record = label._get_record()
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extra = safe_eval(label.extra, {'env': self.env})
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if record:
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label.print_label(label.printer_id, record, **extra)
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@api.onchange(
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'record_id', 'labelary_dpmm', 'labelary_width', 'labelary_height',
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'component_ids', 'origin_x', 'origin_y')
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def _on_change_labelary(self):
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self.ensure_one()
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if not(self.test_labelary_mode and self.record_id and
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self.labelary_width and self.labelary_height and
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self.labelary_dpmm and self.component_ids):
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return
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record = self._get_record()
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if record:
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# If case there an error (in the data field with the safe_eval
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# for exemple) the new component or the update is not lost.
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try:
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url = 'http://api.labelary.com/v1/printers/' \
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'{dpmm}/labels/{width}x{height}/0/'
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width = round(self.labelary_width / 25.4, 2)
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height = round(self.labelary_height / 25.4, 2)
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url = url.format(
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dpmm=self.labelary_dpmm, width=width, height=height)
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extra = safe_eval(self.extra, {'env': self.env})
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zpl_file = self._generate_zpl2_data(
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record, labelary_emul=True, **extra)
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files = {'file': zpl_file}
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headers = {'Accept': 'image/png'}
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response = requests.post(
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url, headers=headers, files=files, stream=True)
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if response.status_code == 200:
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# Add a padd
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im = Image.open(io.BytesIO(response.content))
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im_size = im.size
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new_im = Image.new(
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'RGB', (im_size[0] + 2, im_size[1] + 2),
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(164, 164, 164))
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new_im.paste(im, (1, 1))
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imgByteArr = io.BytesIO()
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new_im.save(imgByteArr, format='PNG')
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self.labelary_image = base64.b64encode(
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imgByteArr.getvalue())
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else:
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return {'warning': {
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'title': _('Error with Labelary API.'),
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'message': response.status_code,
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}}
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except Exception as e:
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self.labelary_image = False
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return {'warning': {
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'title': _('Some thing is wrong.'),
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'message': e,
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}}
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