Upload Bash.py

Author: fred913

Bash.py

@@ -0,0 +1,164 @@
+#coding:utf-8
+#Bash on Python
+#内置环境pip（准确说是仿pip，是upip的命令行套壳）
+#内置软件包ls cd pwd touch fedit（自制简易文本覆盖修改器）
+
+
+from mpython import *
+
+
+#oled.fill(0)
+
+#oled.DispChar("Hello, world!", 0, 0, 1)
+
+#oled.show()
+
+oled.fill(0)
+
+import upip,os
+
+welcome_string = '''
+Bash on mPython v1.5
+By FredTools
+'''
+user = 'root'
+hostname = "mPython"
+
+class pip():
+    def __init__(self):
+        self.name = "pip"
+    def use(self,args):
+
+        if args == []:
+            return "This is a Command format of upip. "
+        if args[0] == "install":
+            if len(args) == 1:
+                return "Usage: pip install [Package Name]"
+            pkgs = args[1:]
+            for pkg in pkgs:
+                upip.install(pkg)
+        return ""
+
+class ls():
+    def __init__(self):
+        self.name = "ls"
+    def use(self,args):
+        output = ''
+        if args == []:
+            for thing in os.listdir("."):
+                output += thing + "\n"
+        return output
+
+class pwd():
+    def __init__(self):
+        self.name = "pwd"
+    def use(self,args):
+        return os.getcwd()
+
+
+class cd():
+    def __init__(self):
+        self.name = "cd"
+    def use(self,args):
+        if args == []:
+            return "This is a Command format of chdir. "
+        else:
+            os.chdir(' '.join(args))
+            return ""
+
+class touch():
+    def __init__(self):
+        self.name = "touch"
+    def use(self,args):
+        if args == []:
+            return "This is a Command format of touch. "
+        elif os.path.isfile(' '.join(args)):
+            return ""
+        elif os.path.isdir(' '.join(args)):
+            return "touch: %s: Is dir" % (' '.join(args))
+        else:
+            f = open(' '.join(args),"w")
+            f.close()
+
+class fedit():
+    def __init__(self):
+        self.name = "fedit"
+    def use(self,args=[]):
+        if args == []:
+            return "This is a Eazy-to-Use text editor by FredTools. \nUsage: fedit filename [End-Target]\nFor Example:\nfedit a.txt EOF"
+        else:
+            if len(args) == 1:
+                args.append('EOF')
+            doprint("-----Fedit-----")
+            doprint("--Enter %s to exit.-" % (args[1]))
+            f = open(args[0],'w')
+            a=input()
+            while a!=args[1]:
+                f.write(a)
+            f.close()
+            return "Wrote. "
+
+
+
+
+
+def command(cmd):
+    try:
+        l = cmd.split(' ')
+        print(l)
+        cmdname = l[0]
+        del l[0]
+        doprint(eval(cmdname + "()").use(l))
+    except:
+        doprint("Bash: %s: Bad command. " % (cmd.split(' ')[0]))
+
+def main():
+    doprint(welcome_string)
+    while True:
+        try:
+            doprint("%s@%s: %s%s " % (user,hostname,os.getcwd(),"#" if (user=='root') else "$"))
+            cmd = input()
+            if cmd == "":
+                continue
+            doprint(cmd,False)
+            command(cmd)
+            doprint("")
+        except KeyboardInterrupt:
+            doprint("Exited. ")
+            break
+        except:
+            doprint("Error! Please cheak. ")
+    doprint("Exited. ")
+
+OLEDl = ['','','','','']
+
+def doprint(string,abool=True):
+    oled.fill(0)
+    if string == "":
+        return
+    if len(string)>1:
+        a = 0
+        global firststr
+        firststr = ""
+        global secondstr
+        secondstr = ""
+        for i in string:
+            a+=1
+            if a<=19:
+                firststr += i
+            else:
+                secondstr += i
+    if abool:
+        print(string)
+    OLEDl[0] = OLEDl[1]
+    OLEDl[1] = OLEDl[2]
+    OLEDl[2] = OLEDl[3]
+    OLEDl[3] = firststr
+    for i in range(4):
+        oled.DispChar(OLEDl[i], 0, i*16, 1)
+    oled.show()
+    if secondstr!='':
+        doprint(secondstr,False)
+
+if __name__ == "__main__":
+    main()