Revision 3c33e68a image_creator/dialog_wizard.py
| b/image_creator/dialog_wizard.py | ||
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import dialog |
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class WizardPage: |
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NEXT = 1 |
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PREV = -1 |
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from image_creator.kamaki_wrapper import Kamaki |
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def __init__(self, session, title): |
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self.session = session |
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self.title = title |
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PAGE_WIDTH = 70 |
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def run(self): |
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raise NotImplementedError |
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class Wizard: |
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def __init__(self, session): |
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self.session = session |
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self.pages = [] |
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self.session['wizard'] = {}
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def add_page(self, page): |
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self.pages.append(page) |
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class ImageName(WizardPage): |
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def run(self): |
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d = self.session['dialog'] |
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w = self.session['wizard'] |
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init = w['ImageName'] if 'ImageName' in w else "" |
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while 1: |
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(code, answer) = d.inputbox("Please provide a name for the image:",
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init=init, width=INPUTBOX_WIDTH, |
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ok_label="Next", cancel="Back", |
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title=self.title) |
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idx = 0 |
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while True: |
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idx += self.pages[idx].run(self.session, idx, len(self.pages)) |
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if code in (d.DIALOG_CANCEL, d.DIALOG_ESC):
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return self.PREV
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if idx >= len(self.pages):
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break
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name = answer.strip() |
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if len(name) == 0: |
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d.msgbox("Image name cannot be empty", width=MSGBOX_WIDTH)
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continue |
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w['ImageName'] = name |
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break |
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if idx < 0: |
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return False |
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return True |
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return self.NEXT |
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class WizardPage: |
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NEXT = 1 |
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PREV = -1 |
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class ImageDescription(WizardPage): |
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def run(self): |
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d = self.session['dialog'] |
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w = self.session['wizard'] |
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def __init__(self, name, message, **kargs): |
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self.name = name |
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self.message = message |
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self.title = kargs['title'] if 'title' in kargs else '' |
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self.init_value = kargs['init'] if 'init' in kargs else '' |
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self.allow_empty = kargs['empty'] if 'empty' in kargs else False |
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init = w['ImageDescription'] if 'ImageDescription' in w else "" |
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def run(self, session, index, total): |
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d = session['dialog'] |
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w = session['wizard'] |
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while 1: |
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(code, answer) = d.inputbox( |
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"Please provide a description for the image:", |
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init=init, width=INPUTBOX_WIDTH, |
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ok_label="Next", cancel="Back", |
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title=self.title) |
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init = w[self.name] if self.name in w else self.init_value |
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while True: |
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(code, answer) = d.inputbox(self.message, init=init, |
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width=PAGE_WIDTH, ok_label="Next", cancel="Back", |
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title="(%d/%d) %s" % (index + 1, total, self.title)) |
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if code in (d.DIALOG_CANCEL, d.DIALOG_ESC): |
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return self.PREV |
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name = answer.strip() |
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if len(filename) == 0: |
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# Description is allowed to be empty |
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del w['ImageDescription'] |
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else: |
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w['ImageDescription'] = name |
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value = answer.strip() |
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if len(value) == 0 and self.allow_empty is False: |
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d.msgbox("The value cannot be empty!", width=PAGE_WIDTH)
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continue |
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w[self.name] = value |
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break |
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return self.NEXT |
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def wizard(session): |
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session['wizard'] = {}
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steps = [] |
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steps.append(ImageName(session, "(1/5) Image Name")) |
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steps.append(ImageDescription(session, "(2/5) Image Description")) |
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return True |
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name = WizardPage("ImageName", "Please provide a name for the image:",
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title="Image Name", init=session['device'].distro) |
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descr = WizardPage("ImageDescription",
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"Please provide a description for the image:", |
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title="Image Description", empty=True, |
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init=session['metadata']['DESCRIPTION'] if 'DESCRIPTION' in |
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session['metadata'] else '') |
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account = WizardPage("account",
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"Please provide your ~okeanos account e-mail:", |
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title="~okeanos account information", init=Kamaki.get_account()) |
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token = WizardPage("token",
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"Please provide your ~okeanos account token:", |
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title="~okeanos account token", init=Kamaki.get_token()) |
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w = Wizard(session) |
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w.add_page(name) |
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w.add_page(descr) |
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w.add_page(account) |
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w.add_page(token) |
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return w.run() |
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# vim: set sta sts=4 shiftwidth=4 sw=4 et ai : |
Also available in: Unified diff