[+]Litchi 0.2.1

streetartist · Jul 10, 2021 · 8333cf2 · 8333cf2
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diff --git a/demo/domath.py b/demo/domath.py
@@ -0,0 +1,85 @@
+from sys import path
+
+path.append(r"C:/Users/yuzhou/Desktop/Litchi-main/")
+
+from litchi.app import App
+from litchi.uix.button import Button
+from litchi.lang.brython import brython, Brython
+from litchi.uix.html import HTML
+
+class IndexApp(App):
+    @brython
+    def code():
+        from browser import document, html
+
+        # Construction de la calculatrice
+        calc = html.TABLE()
+        calc <= html.TR(html.TH(html.DIV("0", id="result"), colspan=3) +
+                        html.TD("C"))
+        lines = ["789/", "456*", "123-", "0.=+"]
+
+        calc <= (html.TR(html.TD(x) for x in line) for line in lines)
+
+        document <= calc
+
+        result = document["result"] # direct acces to an element by its id
+
+        def action(event):
+            """Handles the "click" event on a button of the calculator."""
+            # The element the user clicked on is the attribute "target" of the
+            # event object
+            element = event.target
+            # The text printed on the button is the element's "text" attribute
+            value = element.text
+            if value not in "=C":
+                # update the result zone
+                if result.text in ["0", "error"]:
+                    result.text = value
+                else:
+                    result.text = result.text + value
+            elif value == "C":
+                # reset
+                result.text = "0"
+            elif value == "=":
+                # execute the formula in result zone
+                try:
+                    result.text = eval(result.text)
+                except:
+                    result.text = "error"
+
+        # Associate function action() to the event "click" on all buttons
+        for button in document.select("td"):
+            button.bind("click", action)
+
+    style='''
+<style>
+*{
+    font-family: sans-serif;
+    font-weight: normal;
+    font-size: 1.1em;
+}
+td{
+    background-color: #ccc;
+    padding: 10px 30px 10px 30px;
+    border-radius: 0.2em;
+    text-align: center;
+    cursor: default;
+}
+#result{
+    border-color: #000;
+    border-width: 1px;
+    border-style: solid;
+    padding: 10px 30px 10px 30px;
+    text-align: right;
+}
+</style>
+    '''
+    def press(self):
+        return "Oh,do not press me!!"
+    def build(self):
+        self.button = Button(text="Hello,litchi!", on_pressed=self.press, id = "Button1")
+        self.webcode = Brython(function=self.code)
+        self.html = HTML(code=self.style)
+        return [self.button,self.webcode,self.html]
+
+IndexApp().run(model='server').run()
diff --git a/demo/first.py b/demo/first.py
@@ -0,0 +1,11 @@
+from litchi.app import App
+from litchi.uix.button import Button
+
+class IndexApp(App):
+    def press(self):
+        self.button.text("Oh,do not press me!!")
+    def build(self):
+        self.button = Button(text="Hello,litchi!", on_pressed=self.press, hold="")
+        return [self.button,]
+
+print(IndexApp().run(model="server"))
diff --git a/demo/newyear.py b/demo/newyear.py
@@ -0,0 +1,26 @@
+from litchi.app import App
+from litchi.uix.label import H1
+from litchi.uix.html import HTML
+from litchi.uix.button import Button
+from litchi.lang.brython import brython, Brython
+
+class IndexApp(App):
+    @brython
+    def code():
+        from browser import document
+        import random
+        document <= html.B("新年快乐",id="wish")
+        wish = [
+            "一岁一礼，一寸欢喜。",
+            "新年到，往事清零，开心延续！",
+            "百毒不侵年年好，牛转钱坤步步高!"
+        ]
+        def action(event):
+            document["wish"].text = wish[random.randit(0,2)]
+        for button in document.select("button"):
+            button.bind("click", action)
+    def build(self):
+        self.webcode = Brython(function=self.code)
+        return [self.webcode]
+
+IndexApp().run(model='server').run()
diff --git a/demo/test.html b/demo/test.html
@@ -0,0 +1,21 @@
+<!DOCTYPE HTML>
+<html>
+    <head>
+        <meta name="viewport" content="width=device-width, initial-scale=1">
+        <script src="https://ajax.aspnetcdn.com/ajax/jquery/jquery-3.5.1.min.js"></script>
+        <link href="https://cdn.bootcdn.net/ajax/libs/pure/2.0.3/pure-min.css" rel="stylesheet">
+    </head>
+    <body>
+        <button class="pure-button pure-button-primary" id="Button1">Hello!</button>
+        <script>
+            $('#Button1').click(function(){
+                $.ajax({
+                    url:"http://127.0.0.1:5000/ajax/Button1/click",
+                    type:"post",
+                    success:function(result){
+                        $("#Button1").html(result);
+                }});
+            });
+        </script>
+    </body>
+</html>
diff --git a/demo/test.py b/demo/test.py
@@ -0,0 +1,20 @@
+from sys import path
+
+path.append(r"C:/Users/yuzhou/Desktop/Litchi-main/")
+
+from litchi.app import App
+from litchi.uix.button import Button
+from litchi.lang.brython import brython, Brython
+
+class IndexApp(App):
+    @brython
+    def code():
+        from browser import document
+        document <= "Hello !"
+    def press(self):
+        return "Oh,do not press me!!"
+    def build(self):
+        self.button = Button(text="Hello,litchi!", on_pressed="self.press", id = "Button1")
+        self.webcode = Brython(function=self.code)
+
+IndexApp().run(model='server')
diff --git a/demo/webtest.py b/demo/webtest.py
@@ -0,0 +1,35 @@
+from flask import Flask, jsonify
+
+app = Flask(__name__)
+
+@app.route('/ajax/<id>/<event>', methods=['POST','GET'])
+def ajax(id, event):
+    return jsonify('opsssss')
+
+@app.route('/')
+def indexs():
+    return '''
+    <!DOCTYPE HTML>
+    <html>
+        <head>
+            <meta name="viewport" content="width=device-width, initial-scale=1">
+            <script src="https://ajax.aspnetcdn.com/ajax/jquery/jquery-3.5.1.min.js"></script>
+            <link href="https://cdn.bootcdn.net/ajax/libs/pure/2.0.3/pure-min.css" rel="stylesheet">
+        </head>
+        <body>
+            <button class="pure-button pure-button-primary" id="Button1">Hello!</button>
+            <script>
+                $('#Button1').click(function(){
+                    $.ajax({
+                        url:"http://127.0.0.1:5000/ajax/Button1/click",
+                        type:"post",
+                        success:function(result){
+                            $("#Button1").html(result);
+                    }});
+                });
+            </script>
+        </body>
+    </html>
+    '''
+
+app.run()
diff --git a/litchi/__init__.py b/litchi/__init__.py
@@ -0,0 +1,5 @@
+from litchi.app import App
+from litchi.uix.button import Button
+from litchi.lang.brython import brython, Brython
+from litchi.uix.html import HTML
+from litchi.uix.label import A, H1, P, Img
diff --git a/litchi/__pycache__/app.cpython-37.pyc b/litchi/__pycache__/app.cpython-37.pyc
diff --git a/litchi/app.py b/litchi/app.py
@@ -0,0 +1,63 @@
+# App code goes there.
+from flask import Flask, jsonify, session
+
+def del_waste(self, wastes):
+    waste = ['__class__', '__delattr__', '__dict__', '__dir__', '__doc__', '__eq__', '__format__', '__ge__', '__getattribute__', '__gt__',
+'__hash__', '__init__', '__init_subclass__', '__le__', '__lt__', '__module__', '__ne__', '__new__', '__reduce__', '__reduce_ex__', '__repr__', '__setattr__', '__sizeof__', '__str__', '__subclasshook__', '__weakref__', 'build', 'run']
+
+    production = []
+
+    for i in wastes:
+        j = getattr(self, i)
+
+        if i not in waste and hasattr(j, "litchi") == True:
+            production.append(j)
+
+    return production
+
+class App:
+    def run(self, model, *args):
+        # elements = self.build()
+        self.build()
+
+        elements = del_waste(self, dir(self))
+
+        print(elements)
+
+        html_begin = '''
+<!DOCTYPE HTML>
+<html>
+    <head>
+        <meta name="viewport" content="width=device-width, initial-scale=1">
+        <script type="text/javascript"
+            src="https://cdn.jsdelivr.net/npm/brython@3.9.1/brython.min.js">
+        </script>
+        <script src="https://ajax.aspnetcdn.com/ajax/jquery/jquery-3.5.1.min.js"></script>
+        <link href="https://cdn.bootcdn.net/ajax/libs/pure/2.0.3/pure-min.css" rel="stylesheet">
+    </head>
+    <body onload="brython()">
+        '''
+        # To use Brython,use<script type="text/python">You code</script>
+        for element in elements:
+            html_begin += element.convert()
+        html = html_begin + '''
+    </body>
+</html>
+        '''
+        if model== "static":
+            return html
+        else:
+            app = Flask(__name__)
+
+            @app.route('/',methods=['GET','POST'])
+            def web():
+                return html
+
+            @app.route('/ajax/<id>/<event>', methods=['POST','GET'])
+            def ajax(id, event):
+                for element in elements:
+                    if element.id == id:
+                        if event == 'click':
+                            return jsonify(element.on_pressed())
+
+            return app.run(*args)
diff --git a/litchi/lang/__pycache__/base.cpython-37.pyc b/litchi/lang/__pycache__/base.cpython-37.pyc
diff --git a/litchi/lang/__pycache__/brython.cpython-37.pyc b/litchi/lang/__pycache__/brython.cpython-37.pyc
diff --git a/litchi/lang/base.py b/litchi/lang/base.py
@@ -0,0 +1,12 @@
+import inspect
+
+def get_source(func):  
+    code=""
+    first = True
+    for line in inspect.getsourcelines(func)[0][2:]:
+        if first:
+            code+=line[4:]
+            first=False
+        else:
+            code+=line
+    return code
diff --git a/litchi/lang/brython.py b/litchi/lang/brython.py
@@ -0,0 +1,17 @@
+from litchi.lang.base import get_source
+
+def brython(func):
+    code = get_source(func)
+    return code
+
+class Brython:
+    def __init__(self, function):
+        self.function = function
+        self.litchi = None
+
+    def convert(self):
+        return '''
+<script type="text/python">
+    {code}
+</script>
+        '''.format(code=self.function)
diff --git a/litchi/lang/server.py b/litchi/lang/server.py
@@ -0,0 +1,13 @@
+from litchi.lang.base import get_source
+
+def server(func):
+    function = get_source(func)
+
+    re.search("\s\S*\s*=\s*\s\S*",function) # 将变量定义加上session
+
+    for i in result.groups():
+        re.search("\w*",i)
+        function.replace(i,"session["+i+"])
+
+    return function
+
diff --git a/litchi/uix/__pycache__/button.cpython-37.pyc b/litchi/uix/__pycache__/button.cpython-37.pyc
diff --git a/litchi/uix/__pycache__/html.cpython-37.pyc b/litchi/uix/__pycache__/html.cpython-37.pyc
diff --git a/litchi/uix/button.py b/litchi/uix/button.py
@@ -0,0 +1,37 @@
+# Button code goes there.
+class Button:
+    def __init__(self, text, on_pressed, id, hold="server"):
+        self.text = text
+        self.id = id
+        self.on_pressed = on_pressed
+        self.litchi = None #! 用于确认是否是Litch对象
+
+    def convert(self):
+        if not callable(self.on_pressed):
+            return '''
+<button class="pure-button pure-button-primary" id="{id}">{text}</button>
+<script>
+    $('#{id}').click(function(){{
+        $("#{id}").html("{change}");
+    }});
+</script>
+            '''.format(id=self.id, text=self.text, change = self.on_pressed)
+        else:
+            return '''
+<button class="pure-button pure-button-primary" id="{id}">{text}</button>
+<script>
+    $('#{id}').click(function(){{
+        $.ajax({{
+            url:"/ajax/{id}/click",
+            type:"post",
+            success:function(result){{
+                $("#{id}").html(result);
+            }}
+        }});
+    }});
+</script>
+            '''.format(id=self.id, text=self.text)
+            # <button class="pure-button pure-button-primary" id="'+self.id+'">' + self.text + "</button>"+
+
+    def text(self,change):
+        return change
diff --git a/litchi/uix/html.py b/litchi/uix/html.py
@@ -0,0 +1,6 @@
+class HTML:
+    def __init__(self, code):
+        self.code=code
+        self.litchi = None
+    def convert(self):
+        return self.code