Добавлена глава по типам коллекций

src-datatype/csv2html.py

@@ -0,0 +1,80 @@
+# -*- coding: utf-8 -*-
+
+def main():
+    maxwidth = 100
+    print_start()
+    count = 0
+    while True:
+        try:
+            line = input()
+            if count == 0:
+                color = "lightgreen"
+            elif count % 2:
+                color = "white"
+            else:
+                color = "lightyellow"
+            print_line(line, color, maxwidth)
+            count += 1
+        except EOFError:
+            break
+    print_end()
+
+def print_start():
+    print("<table border='1'>")
+
+def print_end():
+    print("</table>")
+
+def print_line(line, color, maxwidth):
+    print("<tr bgcolor='{0}'>".format(color))
+    fields = extract_fields(line)
+    for field in fields:
+        if not field:
+            print("<td></td>")
+        else:
+            number = field.replace(",", "")
+            try:
+                x = float(number)
+                print("<td align='right'>{0:d}</td>".format(round(x)))
+            except ValueError:
+                field = field.title()
+                field = field.replace(" And ", " and ")
+                field = escape_html(field)
+                if len(field) <= maxwidth:
+                    print("<td>{0}</td>".format(field))
+                else:
+                    print("<td>{0:.{1}} ...</td>".format(field, maxwidth))
+    print("</tr>")
+
+def extract_fields(line):
+    fields = []
+    field = ""
+    quote = None
+    for c in line:
+        if c in "\"'":
+            if quote is None:  # начало строки в кавычках
+                quote = c
+            elif quote == c:  # конец строки в кавычках
+                quote = None
+            else:
+                field += c
+                # другая кавычка внутри строки в кавычках
+                continue
+        if quote is None and c == ",":  # end of a field
+            fields.append(field)
+            field = ""
+        else:
+            field += c
+            # добавить символ в поле
+    if field:
+        fields.append(field)  # добавить последнее поле в список
+    return fields
+
+def escape_html(text):
+    text = text.replace("&", "&amp;")
+    text = text.replace("<", "&lt;")
+    text = text.replace(">", "&gt;")
+    return text
+
+
+main()

src-datatype/csv2html.py~

@@ -0,0 +1,80 @@
+# -*- coding: utf-8 -*-
+
+def main():
+    maxwidth = 100
+    print_start()
+    count = 0
+    while True:
+        try:
+            line = input()
+            if count == 0:
+                color = "lightgreen"
+            elif count % 2:
+                color = "white"
+            else:
+                color = "lightyellow"
+            print_line(line, color, maxwidth)
+            count += 1
+        except EOFError:
+            break
+    print_end()
+
+def print_start():
+    print("<table border='1'>")
+
+def print_end():
+    print("</table>")
+
+def print_line(line, color, maxwidth):
+    print("<tr bgcolor='{0}'>".format(color))
+    fields = extract_fields(line)
+    for field in fields:
+        if not field:
+            print("<td></td>")
+        else:
+            number = field.replace(",", "")
+            try:
+                x = float(number)
+                print("<td align='right'>{0:d}</td>".format(round(x)))
+            except ValueError:
+                field = field.title()
+                field = field.replace(" And ", " and ")
+                field = escape_html(field)
+                if len(field) <= maxwidth:
+                    print("<td>{0}</td>".format(field))
+                else:
+                    print("<td>{0:.{1}} ...</td>".format(field, maxwidth))
+    print("</tr>")
+
+def extract_fields(line):
+    fields = []
+    field = ""
+    quote = None
+    for c in line:
+        if c in "\"'":
+            if quote is None:  # начало строки в кавычках
+                quote = c
+            elif quote == c:  # конец строки в кавычках
+                quote = None
+            else:
+                field += c
+                # другая кавычка внутри строки в кавычках
+                continue
+        if quote is None and c == ",":  # end of a field
+            fields.append(field)
+            field = ""
+        else:
+            field += c
+            # добавить символ в поле
+    if field:
+        fields.append(field)  # добавить последнее поле в список
+    return fields
+
+def escape_html(text):
+    text = text.replace("&", "&amp;")
+    text = text.replace("<", "&lt;")
+    text = text.replace(">", "&gt;")
+    return text
+
+if __name__ == '__main__':
+    main()

src-datatype/print_unicode.py

@@ -0,0 +1,33 @@
+# -*- coding: utf-8 -*-
+import sys
+import unicodedata
+
+def print_unicode_table(word):
+    print("decimal hex chr {0:^40}".format("name"))
+    print("------- ----- --- {0:-<40}".format(""))
+
+    code = ord(" ")
+    end = sys.maxunicode
+
+    while code < end:
+        c = chr(code)
+        name = unicodedata.name(c, "*** unknown ***")
+        if word is None or word in name.lower():
+            print("{0:7} {0:5X} {0:^3c} {1}".format(code, name.title()))
+        code += 1
+# End print_unicode_table
+
+# Start main script
+word = None
+
+if len(sys.argv) > 1:
+    if sys.argv[1] in ("-h", "--help"):
+        print("usage: {0} [string]".format(sys.argv[0]))
+        word = 0
+    else:
+        word = sys.argv[1].lower()
+
+if word != 0:
+    print_unicode_table(word)
+
+#End main script

src-datatype/print_unicode.py~

@@ -0,0 +1,30 @@
+# -*- coding: utf-8 -*-
+import sys
+import unicodedata
+
+def print_unicode_table(word):
+    print("decimal hex chr {0:^40}".format("name"))
+    print("------- ----- --- {0:-<40}".format(""))
+
+    code = ord(" ")
+    end = sys.maxunicode
+
+    while code < end:
+        c = chr(code)
+        name = unicodedata.name(c, "*** unknown ***")
+        if word is None or word in name.lower():
+            print("{0:7} {0:5X} {0:^3c} {1}".format(code, name.title()))
+        code += 1
+
+
+word = None
+
+if len(sys.argv) > 1:
+    if sys.argv[1] in ("-h", "--help"):
+        print("usage: {0} [string]".format(sys.argv[0]))
+        word = 0
+    else:
+        word = sys.argv[1].lower()
+
+if word != 0:
+    print_unicode_table(word)

src-datatype/quadratic.py

@@ -18,6 +18,7 @@ def get_float(msg, allow_zero):
     return x
 # End get_float
 
+
 # Start 1st block
 print("ax\N{SUPERSCRIPT TWO} + bx + c = 0")
 a = get_float("enter a: ", False)
@@ -34,7 +35,7 @@ if discriminant == 0:
 else:
     if discriminant > 0:
         root = math.sqrt(discriminant)
-    else: # discriminant < 0
+    else:       # discriminant < 0
         root = cmath.sqrt(discriminant)
         x1 = (-b + root) / (2 * a)
         x2 = (-b - root) / (2 * a)

src-datatype/quadratic.py~

@@ -0,0 +1,49 @@
+# -*- coding: utf-8 -*-
+import cmath
+import math
+import sys
+
+# Start get_float
+def get_float(msg, allow_zero):
+    x = None
+    while x is None:
+        try:
+            x = float(input(msg))
+            if not allow_zero and abs(x) < sys.float_info.epsilon:
+                print("zero is not allowed")
+                x = None
+
+        except ValueError as err:
+            print(err)
+    return x
+# End get_float
+
+# Start 1st block
+print("ax\N{SUPERSCRIPT TWO} + bx + c = 0")
+a = get_float("enter a: ", False)
+b = get_float("enter b: ", False)
+c = get_float("enter c: ", False)
+# End 1st block
+
+# Start 2d block
+x1 = None
+x2 = None
+discriminant = (b ** 2) - (4 * a * c)
+if discriminant == 0:
+    x1 = -(b / (2 * a))
+else:
+    if discriminant > 0:
+        root = math.sqrt(discriminant)
+    else: # discriminant < 0
+        root = cmath.sqrt(discriminant)
+        x1 = (-b + root) / (2 * a)
+        x2 = (-b - root) / (2 * a)
+# End 2d block
+
+# Start 3d block
+equation = ("{0}x\N{SUPERSCRIPT TWO} + {1}x + {2} = 0"
+            " \N{RIGHTWARDS ARROW} x = {3}").format(a, b, c, x1)
+if x2 is not None:
+    equation += " or x = {0}".format(x2)
+print(equation)
+# End 3d block

src-datatype/sample.csv

@@ -0,0 +1,5 @@
+"COUNTRY",2000,2001,2002,2003,2004
+"ANTIGUA AND BARBUDA",0,0,0,0,0
+"ARGENTINA",37,35,33,36,39
+"BAHAMAS, THE",1,1,1,1,1
+"BAHRAIN",5,6,6,6,6

src-datatype/sample.csv~

@@ -0,0 +1,5 @@
+"COUNTRY",2000,2001,2002,2003,2004
+"ANTIGUA AND BARBUDA",0,0,0,0,0
+"ARGENTINA",37,35,33,36,39
+"BAHAMAS, THE",1,1,1,1,1
+"BAHRAIN",5,6,6,6,6

src-datatype/sample.html

@@ -0,0 +1,42 @@
+<table border='1'>
+<tr bgcolor='lightgreen'>
+<td>"Country"</td>
+<td align='right'>2000</td>
+<td align='right'>2001</td>
+<td align='right'>2002</td>
+<td align='right'>2003</td>
+<td align='right'>2004</td>
+</tr>
+<tr bgcolor='white'>
+<td>"Antigua and Barbuda"</td>
+<td align='right'>0</td>
+<td align='right'>0</td>
+<td align='right'>0</td>
+<td align='right'>0</td>
+<td align='right'>0</td>
+</tr>
+<tr bgcolor='lightyellow'>
+<td>"Argentina"</td>
+<td align='right'>37</td>
+<td align='right'>35</td>
+<td align='right'>33</td>
+<td align='right'>36</td>
+<td align='right'>39</td>
+</tr>
+<tr bgcolor='white'>
+<td>"Bahamas, The"</td>
+<td align='right'>1</td>
+<td align='right'>1</td>
+<td align='right'>1</td>
+<td align='right'>1</td>
+<td align='right'>1</td>
+</tr>
+<tr bgcolor='lightyellow'>
+<td>"Bahrain"</td>
+<td align='right'>5</td>
+<td align='right'>6</td>
+<td align='right'>6</td>
+<td align='right'>6</td>
+<td align='right'>6</td>
+</tr>
+</table>

src-datatype/sample.html~

@@ -0,0 +1,42 @@
+<table border='1'>
+<tr bgcolor='lightgreen'>
+<td>"Country"</td>
+<td align='right'>2000</td>
+<td align='right'>2001</td>
+<td align='right'>2002</td>
+<td align='right'>2003</td>
+<td align='right'>2004</td>
+</tr>
+<tr bgcolor='white'>
+<td>"Antigua and Barbuda"</td>
+<td align='right'>0</td>
+<td align='right'>0</td>
+<td align='right'>0</td>
+<td align='right'>0</td>
+<td align='right'>0</td>
+</tr>
+<tr bgcolor='lightyellow'>
+<td>"Argentina"</td>
+<td align='right'>37</td>
+<td align='right'>35</td>
+<td align='right'>33</td>
+<td align='right'>36</td>
+<td align='right'>39</td>
+</tr>
+<tr bgcolor='white'>
+<td>"Bahamas, The"</td>
+<td align='right'>1</td>
+<td align='right'>1</td>
+<td align='right'>1</td>
+<td align='right'>1</td>
+<td align='right'>1</td>
+</tr>
+<tr bgcolor='lightyellow'>
+<td>"Bahrain"</td>
+<td align='right'>5</td>
+<td align='right'>6</td>
+<td align='right'>6</td>
+<td align='right'>6</td>
+<td align='right'>6</td>
+</tr>
+</table>