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tckt22: add 'include' instruction to pyhtml template #69

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48c0ff5
tckt22: add 'include' instruction to pyhtml template
Jun 22, 2021
7b548dd
tckt33: support multipart/form-data (i.e. file upload)
Jun 28, 2021
30b0d7f
Revert "tckt33: support multipart/form-data (i.e. file upload)"
Jun 28, 2021
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41 changes: 31 additions & 10 deletions MicroWebSrv2/mods/PyhtmlTemplate.py
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Original file line number Diff line number Diff line change
Expand Up @@ -61,7 +61,7 @@ def ReturnTemplate(self, microWebSrv2, request, filepath):

try :
self._pyGlobalVars['Request'] = request
codeTemplate = CodeTemplate(code, microWebSrv2.HTMLEscape)
codeTemplate = CodeTemplate(code, microWebSrv2.HTMLEscape, microWebSrv2.RootPath)
content = codeTemplate.Execute(self._pyGlobalVars, None)
request.Response.ReturnOk(content)

Expand Down Expand Up @@ -127,12 +127,13 @@ class CodeTemplate :
INSTRUCTION_ELSE = 'else'
INSTRUCTION_FOR = 'for'
INSTRUCTION_END = 'end'
INSTRUCTION_INCLUDE = 'include'

RE_IDENTIFIER = re.compile(r'[a-zA-Z_][a-zA-Z0-9_]*$')

# ------------------------------------------------------------------------

def __init__(self, code, escapeStrFunc=None) :
def __init__(self, code, escapeStrFunc=None, www_root="") :
self._code = code
self._escapeStrFunc = escapeStrFunc
self._pos = 0
Expand All @@ -141,13 +142,15 @@ def __init__(self, code, escapeStrFunc=None) :
self._pyGlobalVars = { }
self._pyLocalVars = { }
self._rendered = ''
self._instructions = {
CodeTemplate.INSTRUCTION_PYTHON : self._processInstructionPYTHON,
CodeTemplate.INSTRUCTION_IF : self._processInstructionIF,
CodeTemplate.INSTRUCTION_ELIF : self._processInstructionELIF,
CodeTemplate.INSTRUCTION_ELSE : self._processInstructionELSE,
CodeTemplate.INSTRUCTION_FOR : self._processInstructionFOR,
CodeTemplate.INSTRUCTION_END : self._processInstructionEND
self._www_root = www_root
self._instructions = {
CodeTemplate.INSTRUCTION_PYTHON: self._processInstructionPYTHON,
CodeTemplate.INSTRUCTION_IF: self._processInstructionIF,
CodeTemplate.INSTRUCTION_ELIF: self._processInstructionELIF,
CodeTemplate.INSTRUCTION_ELSE: self._processInstructionELSE,
CodeTemplate.INSTRUCTION_FOR: self._processInstructionFOR,
CodeTemplate.INSTRUCTION_END: self._processInstructionEND,
CodeTemplate.INSTRUCTION_INCLUDE: self._processInstructionINCLUDE
}

# ------------------------------------------------------------------------
Expand Down Expand Up @@ -262,7 +265,7 @@ def _processInstructionPYTHON(self, instructionBody, execute) :
% (tokenContent, self._line) )
if execute :
lines = pyCode.split('\n')
indent = ''
indent = ''
for line in lines :
if len(line.strip()) > 0 :
for c in line :
Expand Down Expand Up @@ -389,6 +392,24 @@ def _processInstructionEND(self, instructionBody, execute) :
% (CodeTemplate.INSTRUCTION_END, self._line) )
return CodeTemplate.INSTRUCTION_END


# ------------------------------------------------------------------------

def _processInstructionINCLUDE(self, instructionBody, execute) :
if not instructionBody :
raise CodeTemplateException( '"%s" alone is an incomplete syntax (line %s)'
% (CodeTemplate.INSTRUCTION_INCLUDE, self._line) )
filename = instructionBody.replace('"', '').replace("'", '').strip()
try:
with open("{}/{}".format(self._www_root, filename), 'r') as file :
includeCode = file.read()

self._code = self._code[:self._pos] + includeCode + self._code[self._pos:]
self._endPos += len(includeCode)
except Exception as ex:
print("Caught exception {}....".format(ex))
return None

# ============================================================================
# ============================================================================
# ============================================================================
1 change: 1 addition & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -1362,6 +1362,7 @@ except KeyboardInterrupt :
| ELIF | `{{ elif` *Python condition* `}}` *html bloc* `{{ end }}` |
| ELSE | `{{ else }}` *html bloc* `{{ end }}` |
| FOR | `{{ for` *identifier* `in` *Python iterator* `}}` *html bloc* `{{ end }}` |
| INCLUDE | `{{ include` *file.pyhtml* `}}` |
| Expression | `{{` *Python expression* `}}` |

:cyclone: See the **[test.pyhtml](https://github.com/jczic/MicroWebSrv2/blob/master/www/test.pyhtml)** page for the example:
Expand Down